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-rw-r--r--.mailmap3
-rw-r--r--Documentation/ABI/testing/sysfs-fs-xfs2
-rw-r--r--Documentation/arm64/acpi_object_usage.rst10
-rw-r--r--Documentation/arm64/silicon-errata.rst3
-rw-r--r--Documentation/devicetree/bindings/interrupt-controller/ingenic,intc.yaml1
-rw-r--r--Documentation/devicetree/bindings/sound/fsl,spdif.yaml4
-rw-r--r--Documentation/gpu/todo.rst21
-rw-r--r--Documentation/networking/bonding.rst2
-rw-r--r--Documentation/networking/device_drivers/ethernet/amazon/ena.rst2
-rw-r--r--Documentation/networking/devlink/devlink-dpipe.rst2
-rw-r--r--Documentation/networking/devlink/devlink-port.rst4
-rw-r--r--Documentation/networking/netdev-FAQ.rst72
-rw-r--r--Documentation/networking/xfrm_device.rst2
-rw-r--r--Documentation/process/stable-kernel-rules.rst6
-rw-r--r--Documentation/process/submitting-patches.rst5
-rw-r--r--Documentation/virt/kvm/api.rst12
-rw-r--r--MAINTAINERS74
-rw-r--r--Makefile6
-rw-r--r--arch/Kconfig3
-rw-r--r--arch/arm/Kconfig1
-rw-r--r--arch/arm/boot/dts/am33xx.dtsi3
-rw-r--r--arch/arm/boot/dts/at91-sam9x60ek.dts8
-rw-r--r--arch/arm/boot/dts/at91-sama5d27_som1.dtsi4
-rw-r--r--arch/arm/boot/dts/imx6ul-14x14-evk.dtsi22
-rw-r--r--arch/arm/boot/dts/imx6ull-myir-mys-6ulx-eval.dts1
-rw-r--r--arch/arm/boot/dts/sam9x60.dtsi9
-rw-r--r--arch/arm/mach-imx/avic.c16
-rw-r--r--arch/arm/mach-imx/common.h1
-rw-r--r--arch/arm/mach-imx/mach-imx1.c11
-rw-r--r--arch/arm/mach-imx/mach-imx25.c12
-rw-r--r--arch/arm/mach-imx/mach-imx27.c12
-rw-r--r--arch/arm/mach-imx/mach-imx31.c1
-rw-r--r--arch/arm/mach-imx/mach-imx35.c1
-rw-r--r--arch/arm/mach-imx/mm-imx3.c24
-rw-r--r--arch/arm/mach-omap2/sr_device.c75
-rw-r--r--arch/arm/xen/p2m.c5
-rw-r--r--arch/arm64/Kconfig22
-rw-r--r--arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi1
-rw-r--r--arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi1
-rw-r--r--arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi1
-rw-r--r--arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts2
-rw-r--r--arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi2
-rw-r--r--arch/arm64/include/asm/checksum.h2
-rw-r--r--arch/arm64/include/asm/cpucaps.h3
-rw-r--r--arch/arm64/include/asm/kvm_arm.h1
-rw-r--r--arch/arm64/include/asm/kvm_asm.h8
-rw-r--r--arch/arm64/include/asm/kvm_hyp.h8
-rw-r--r--arch/arm64/include/asm/memory.h5
-rw-r--r--arch/arm64/include/asm/mmu_context.h17
-rw-r--r--arch/arm64/include/asm/pgtable-prot.h1
-rw-r--r--arch/arm64/include/asm/pgtable.h3
-rw-r--r--arch/arm64/include/asm/processor.h2
-rw-r--r--arch/arm64/include/asm/sysreg.h20
-rw-r--r--arch/arm64/include/asm/thread_info.h2
-rw-r--r--arch/arm64/kernel/cpu_errata.c8
-rw-r--r--arch/arm64/kernel/cpufeature.c6
-rw-r--r--arch/arm64/kernel/cpuinfo.c2
-rw-r--r--arch/arm64/kernel/crash_dump.c2
-rw-r--r--arch/arm64/kernel/head.S8
-rw-r--r--arch/arm64/kernel/idreg-override.c43
-rw-r--r--arch/arm64/kernel/image-vars.h3
-rw-r--r--arch/arm64/kernel/perf_event.c2
-rw-r--r--arch/arm64/kernel/process.c2
-rw-r--r--arch/arm64/kernel/stacktrace.c9
-rw-r--r--arch/arm64/kvm/arm.c7
-rw-r--r--arch/arm64/kvm/debug.c2
-rw-r--r--arch/arm64/kvm/hyp/entry.S8
-rw-r--r--arch/arm64/kvm/hyp/include/hyp/switch.h9
-rw-r--r--arch/arm64/kvm/hyp/nvhe/debug-sr.c12
-rw-r--r--arch/arm64/kvm/hyp/nvhe/host.S15
-rw-r--r--arch/arm64/kvm/hyp/nvhe/hyp-main.c12
-rw-r--r--arch/arm64/kvm/hyp/nvhe/switch.c14
-rw-r--r--arch/arm64/kvm/hyp/nvhe/tlb.c3
-rw-r--r--arch/arm64/kvm/hyp/pgtable.c1
-rw-r--r--arch/arm64/kvm/hyp/vgic-v3-sr.c49
-rw-r--r--arch/arm64/kvm/hyp/vhe/tlb.c3
-rw-r--r--arch/arm64/kvm/mmu.c3
-rw-r--r--arch/arm64/kvm/perf.c10
-rw-r--r--arch/arm64/kvm/pmu-emul.c10
-rw-r--r--arch/arm64/kvm/reset.c22
-rw-r--r--arch/arm64/kvm/vgic/vgic-v3.c12
-rw-r--r--arch/arm64/mm/init.c29
-rw-r--r--arch/arm64/mm/mmu.c26
-rw-r--r--arch/csky/kernel/probes/ftrace.c2
-rw-r--r--arch/ia64/include/asm/syscall.h2
-rw-r--r--arch/ia64/kernel/err_inject.c22
-rw-r--r--arch/ia64/kernel/mca.c2
-rw-r--r--arch/ia64/kernel/ptrace.c24
-rw-r--r--arch/m68k/include/asm/page_mm.h2
-rw-r--r--arch/m68k/include/asm/page_no.h4
-rw-r--r--arch/mips/boot/compressed/decompress.c8
-rw-r--r--arch/mips/crypto/Makefile4
-rw-r--r--arch/mips/include/asm/traps.h3
-rw-r--r--arch/mips/kernel/cpu-probe.c6
-rw-r--r--arch/mips/kernel/cpu-r3k-probe.c3
-rw-r--r--arch/mips/kernel/setup.c2
-rw-r--r--arch/mips/kernel/traps.c10
-rw-r--r--arch/mips/kernel/vmlinux.lds.S6
-rw-r--r--arch/parisc/Kconfig7
-rw-r--r--arch/parisc/kernel/ptrace.c2
-rw-r--r--arch/powerpc/include/asm/code-patching.h7
-rw-r--r--arch/powerpc/include/asm/cpu_has_feature.h4
-rw-r--r--arch/powerpc/include/asm/dcr-native.h8
-rw-r--r--arch/powerpc/include/asm/interrupt.h3
-rw-r--r--arch/powerpc/include/asm/mmu.h4
-rw-r--r--arch/powerpc/include/asm/ptrace.h4
-rw-r--r--arch/powerpc/include/asm/switch_to.h10
-rw-r--r--arch/powerpc/include/asm/vio.h2
-rw-r--r--arch/powerpc/kernel/exceptions-64s.S2
-rw-r--r--arch/powerpc/kernel/head_book3s_32.S9
-rw-r--r--arch/powerpc/kernel/interrupt.c3
-rw-r--r--arch/powerpc/kernel/traps.c2
-rw-r--r--arch/powerpc/kernel/vdso32/gettimeofday.S11
-rw-r--r--arch/powerpc/lib/sstep.c4
-rw-r--r--arch/powerpc/perf/core-book3s.c4
-rw-r--r--arch/powerpc/platforms/pseries/msi.c25
-rw-r--r--arch/powerpc/platforms/pseries/vio.c7
-rw-r--r--arch/riscv/Kconfig4
-rw-r--r--arch/riscv/Kconfig.socs2
-rw-r--r--arch/riscv/include/asm/asm-prototypes.h16
-rw-r--r--arch/riscv/include/asm/irq.h2
-rw-r--r--arch/riscv/include/asm/processor.h1
-rw-r--r--arch/riscv/include/asm/ptrace.h5
-rw-r--r--arch/riscv/include/asm/sbi.h4
-rw-r--r--arch/riscv/include/asm/timex.h2
-rw-r--r--arch/riscv/kernel/Makefile1
-rw-r--r--arch/riscv/kernel/probes/ftrace.c18
-rw-r--r--arch/riscv/kernel/probes/kprobes.c3
-rw-r--r--arch/riscv/kernel/process.c1
-rw-r--r--arch/riscv/kernel/sbi.c2
-rw-r--r--arch/riscv/kernel/setup.c3
-rw-r--r--arch/riscv/kernel/time.c1
-rw-r--r--arch/riscv/kernel/traps.c1
-rw-r--r--arch/riscv/mm/kasan_init.c4
-rw-r--r--arch/s390/configs/debug_defconfig16
-rw-r--r--arch/s390/configs/defconfig11
-rw-r--r--arch/s390/configs/zfcpdump_defconfig3
-rw-r--r--arch/s390/include/asm/idle.h12
-rw-r--r--arch/s390/include/asm/pci.h2
-rw-r--r--arch/s390/include/asm/timex.h36
-rw-r--r--arch/s390/include/asm/vdso/data.h2
-rw-r--r--arch/s390/include/uapi/asm/hwctrset.h (renamed from arch/s390/include/uapi/asm/perf_cpum_cf_diag.h)0
-rw-r--r--arch/s390/kernel/idle.c12
-rw-r--r--arch/s390/kernel/perf_cpum_cf.c2
-rw-r--r--arch/s390/kernel/perf_cpum_cf_diag.c23
-rw-r--r--arch/s390/kernel/time.c38
-rw-r--r--arch/s390/kernel/topology.c2
-rw-r--r--arch/s390/kernel/vtime.c2
-rw-r--r--arch/s390/kvm/interrupt.c2
-rw-r--r--arch/s390/pci/pci.c28
-rw-r--r--arch/s390/pci/pci_event.c18
-rw-r--r--arch/sparc/configs/sparc64_defconfig4
-rw-r--r--arch/sparc/include/asm/elf_64.h1
-rw-r--r--arch/sparc/include/asm/extable.h (renamed from arch/sparc/include/asm/extable_64.h)4
-rw-r--r--arch/sparc/include/asm/processor_32.h6
-rw-r--r--arch/sparc/include/asm/thread_info_64.h1
-rw-r--r--arch/sparc/include/asm/uaccess.h3
-rw-r--r--arch/sparc/include/asm/uaccess_32.h38
-rw-r--r--arch/sparc/include/asm/uaccess_64.h1
-rw-r--r--arch/sparc/kernel/head_32.S2
-rw-r--r--arch/sparc/kernel/head_64.S2
-rw-r--r--arch/sparc/kernel/process_32.c12
-rw-r--r--arch/sparc/kernel/setup_32.c3
-rw-r--r--arch/sparc/kernel/setup_64.c4
-rw-r--r--arch/sparc/kernel/traps_64.c13
-rw-r--r--arch/sparc/kernel/unaligned_32.c106
-rw-r--r--arch/sparc/lib/checksum_32.S64
-rw-r--r--arch/sparc/lib/copy_user.S315
-rw-r--r--arch/sparc/lib/memset.S87
-rw-r--r--arch/sparc/mm/Makefile2
-rw-r--r--arch/sparc/mm/extable.c107
-rw-r--r--arch/sparc/mm/fault_32.c80
-rw-r--r--arch/sparc/mm/mm_32.h2
-rw-r--r--arch/x86/Makefile2
-rw-r--r--arch/x86/entry/common.c3
-rw-r--r--arch/x86/entry/entry_64_compat.S2
-rw-r--r--arch/x86/events/core.c15
-rw-r--r--arch/x86/events/intel/core.c8
-rw-r--r--arch/x86/events/intel/ds.c2
-rw-r--r--arch/x86/include/asm/insn-eval.h2
-rw-r--r--arch/x86/include/asm/kvm_host.h38
-rw-r--r--arch/x86/include/asm/processor.h9
-rw-r--r--arch/x86/include/asm/proto.h1
-rw-r--r--arch/x86/include/asm/ptrace.h15
-rw-r--r--arch/x86/include/asm/smap.h10
-rw-r--r--arch/x86/include/asm/smp.h1
-rw-r--r--arch/x86/include/asm/thread_info.h15
-rw-r--r--arch/x86/include/asm/xen/page.h12
-rw-r--r--arch/x86/kernel/acpi/boot.c25
-rw-r--r--arch/x86/kernel/apic/apic.c5
-rw-r--r--arch/x86/kernel/apic/io_apic.c10
-rw-r--r--arch/x86/kernel/kprobes/ftrace.c2
-rw-r--r--arch/x86/kernel/kvm.c23
-rw-r--r--arch/x86/kernel/kvmclock.c19
-rw-r--r--arch/x86/kernel/setup.c8
-rw-r--r--arch/x86/kernel/sev-es.c22
-rw-r--r--arch/x86/kernel/signal.c24
-rw-r--r--arch/x86/kernel/smpboot.c2
-rw-r--r--arch/x86/kernel/traps.c3
-rw-r--r--arch/x86/kernel/unwind_orc.c14
-rw-r--r--arch/x86/kvm/Makefile2
-rw-r--r--arch/x86/kvm/hyperv.c91
-rw-r--r--arch/x86/kvm/hyperv.h1
-rw-r--r--arch/x86/kvm/lapic.c12
-rw-r--r--arch/x86/kvm/mmu/mmu.c9
-rw-r--r--arch/x86/kvm/mmu/mmu_internal.h5
-rw-r--r--arch/x86/kvm/mmu/tdp_iter.c30
-rw-r--r--arch/x86/kvm/mmu/tdp_iter.h4
-rw-r--r--arch/x86/kvm/mmu/tdp_mmu.c77
-rw-r--r--arch/x86/kvm/mmu/tdp_mmu.h24
-rw-r--r--arch/x86/kvm/svm/nested.c28
-rw-r--r--arch/x86/kvm/svm/pmu.c8
-rw-r--r--arch/x86/kvm/svm/svm.c25
-rw-r--r--arch/x86/kvm/vmx/vmx.c2
-rw-r--r--arch/x86/kvm/x86.c172
-rw-r--r--arch/x86/kvm/x86.h1
-rw-r--r--arch/x86/lib/insn-eval.c66
-rw-r--r--arch/x86/mm/mem_encrypt.c2
-rw-r--r--arch/x86/net/bpf_jit_comp.c41
-rw-r--r--arch/x86/platform/iris/iris.c1
-rw-r--r--arch/x86/xen/p2m.c13
-rw-r--r--arch/x86/xen/setup.c16
-rw-r--r--arch/xtensa/kernel/coprocessor.S64
-rw-r--r--arch/xtensa/mm/fault.c5
-rw-r--r--block/bio.c35
-rw-r--r--block/blk-cgroup-rwstat.c3
-rw-r--r--block/blk-crypto-fallback.c2
-rw-r--r--block/blk-lib.c2
-rw-r--r--block/blk-map.c2
-rw-r--r--block/blk-merge.c8
-rw-r--r--block/blk-zoned.c40
-rw-r--r--block/bounce.c6
-rw-r--r--block/genhd.c4
-rw-r--r--block/partitions/core.c7
-rw-r--r--crypto/Kconfig2
-rw-r--r--drivers/acpi/acpica/nsaccess.c3
-rw-r--r--drivers/acpi/internal.h6
-rw-r--r--drivers/acpi/processor_idle.c7
-rw-r--r--drivers/acpi/scan.c45
-rw-r--r--drivers/acpi/tables.c42
-rw-r--r--drivers/acpi/video_detect.c1
-rw-r--r--drivers/atm/eni.c3
-rw-r--r--drivers/atm/fore200e.c2
-rw-r--r--drivers/atm/idt77105.c4
-rw-r--r--drivers/atm/lanai.c5
-rw-r--r--drivers/atm/uPD98402.c2
-rw-r--r--drivers/auxdisplay/charlcd.c18
-rw-r--r--drivers/base/power/runtime.c111
-rw-r--r--drivers/base/swnode.c29
-rw-r--r--drivers/block/drbd/drbd_int.h2
-rw-r--r--drivers/block/floppy.c1
-rw-r--r--drivers/block/rsxx/core.c1
-rw-r--r--drivers/block/umem.c5
-rw-r--r--drivers/block/xen-blkback/blkback.c2
-rw-r--r--drivers/block/zram/zram_drv.c17
-rw-r--r--drivers/bluetooth/btrsi.c1
-rw-r--r--drivers/bus/omap_l3_noc.c4
-rw-r--r--drivers/bus/ti-sysc.c4
-rw-r--r--drivers/char/applicom.c3
-rw-r--r--drivers/char/hw_random/pseries-rng.c3
-rw-r--r--drivers/char/toshiba.c1
-rw-r--r--drivers/char/tpm/tpm_ibmvtpm.c4
-rw-r--r--drivers/clk/qcom/clk-rcg2.c17
-rw-r--r--drivers/clk/qcom/clk-rpmh.c7
-rw-r--r--drivers/clk/qcom/gcc-sc7180.c4
-rw-r--r--drivers/counter/stm32-timer-cnt.c55
-rw-r--r--drivers/cpufreq/cpufreq-dt-platdev.c2
-rw-r--r--drivers/cpufreq/freq_table.c4
-rw-r--r--drivers/cpufreq/qcom-cpufreq-hw.c6
-rw-r--r--drivers/crypto/nx/nx-842-pseries.c4
-rw-r--r--drivers/crypto/nx/nx.c4
-rw-r--r--drivers/firmware/efi/efi.c3
-rw-r--r--drivers/firmware/efi/libstub/arm64-stub.c2
-rw-r--r--drivers/firmware/efi/libstub/efi-stub.c16
-rw-r--r--drivers/firmware/efi/vars.c4
-rw-r--r--drivers/gpio/gpio-pca953x.c78
-rw-r--r--drivers/gpio/gpiolib-acpi.c21
-rw-r--r--drivers/gpio/gpiolib.c29
-rw-r--r--drivers/gpu/drm/Kconfig1
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu.h11
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c132
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_display.c89
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_display.h3
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c35
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c4
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_object.c7
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c10
-rw-r--r--drivers/gpu/drm/amd/amdgpu/dce_v10_0.c9
-rw-r--r--drivers/gpu/drm/amd/amdgpu/dce_v11_0.c9
-rw-r--r--drivers/gpu/drm/amd/amdgpu/dce_v6_0.c8
-rw-r--r--drivers/gpu/drm/amd/amdgpu/dce_v8_0.c9
-rw-r--r--drivers/gpu/drm/amd/amdgpu/dce_virtual.c15
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c2
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c6
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h2
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c2
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c2
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_vi.c2
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_priv.h8
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c50
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc_link.c1
-rw-r--r--drivers/gpu/drm/amd/display/dc/dc.h1
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c11
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h6
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c7
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c1
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c40
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn20/dcn20_link_encoder.c3
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c1
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c13
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn30/dcn30_cm_common.c26
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hubp.c1
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c31
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c96
-rw-r--r--drivers/gpu/drm/amd/display/dc/inc/hw/hubp.h2
-rw-r--r--drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c65
-rw-r--r--drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c122
-rw-r--r--drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega12_hwmgr.c90
-rw-r--r--drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_hwmgr.c73
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c5
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c5
-rw-r--r--drivers/gpu/drm/drm_fb_helper.c2
-rw-r--r--drivers/gpu/drm/drm_gem_shmem_helper.c32
-rw-r--r--drivers/gpu/drm/drm_ioc32.c11
-rw-r--r--drivers/gpu/drm/etnaviv/etnaviv_gem.c3
-rw-r--r--drivers/gpu/drm/exynos/exynos5433_drm_decon.c1
-rw-r--r--drivers/gpu/drm/i915/display/intel_atomic_plane.c5
-rw-r--r--drivers/gpu/drm/i915/display/intel_dp.c4
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-rwxr-xr-xtools/perf/tests/shell/daemon.sh34
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-rw-r--r--tools/testing/kunit/configs/broken_on_uml.config2
-rw-r--r--tools/testing/kunit/kunit_config.py2
-rw-r--r--tools/testing/radix-tree/idr-test.c21
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-rw-r--r--tools/testing/selftests/kvm/x86_64/set_boot_cpu_id.c166
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1430 files changed, 11624 insertions, 6720 deletions
diff --git a/.mailmap b/.mailmap
index 85b93cdefc87..541635d2e02e 100644
--- a/.mailmap
+++ b/.mailmap
@@ -36,6 +36,7 @@ Andrew Morton <akpm@linux-foundation.org>
Andrew Murray <amurray@thegoodpenguin.co.uk> <amurray@embedded-bits.co.uk>
Andrew Murray <amurray@thegoodpenguin.co.uk> <andrew.murray@arm.com>
Andrew Vasquez <andrew.vasquez@qlogic.com>
+Andrey Konovalov <andreyknvl@gmail.com> <andreyknvl@google.com>
Andrey Ryabinin <ryabinin.a.a@gmail.com> <a.ryabinin@samsung.com>
Andrey Ryabinin <ryabinin.a.a@gmail.com> <aryabinin@virtuozzo.com>
Andy Adamson <andros@citi.umich.edu>
@@ -65,6 +66,8 @@ Changbin Du <changbin.du@intel.com> <changbin.du@gmail.com>
Changbin Du <changbin.du@intel.com> <changbin.du@intel.com>
Chao Yu <chao@kernel.org> <chao2.yu@samsung.com>
Chao Yu <chao@kernel.org> <yuchao0@huawei.com>
+Chris Chiu <chris.chiu@canonical.com> <chiu@endlessm.com>
+Chris Chiu <chris.chiu@canonical.com> <chiu@endlessos.org>
Christophe Ricard <christophe.ricard@gmail.com>
Christoph Hellwig <hch@lst.de>
Corey Minyard <minyard@acm.org>
diff --git a/Documentation/ABI/testing/sysfs-fs-xfs b/Documentation/ABI/testing/sysfs-fs-xfs
index ea0cc8c42093..f704925f6fe9 100644
--- a/Documentation/ABI/testing/sysfs-fs-xfs
+++ b/Documentation/ABI/testing/sysfs-fs-xfs
@@ -33,7 +33,7 @@ Contact: xfs@oss.sgi.com
Description:
The current state of the log write grant head. It
represents the total log reservation of all currently
- oustanding transactions, including regrants due to
+ outstanding transactions, including regrants due to
rolling transactions. The grant head is exported in
"cycle:bytes" format.
Users: xfstests
diff --git a/Documentation/arm64/acpi_object_usage.rst b/Documentation/arm64/acpi_object_usage.rst
index 377e9d224db0..0609da73970b 100644
--- a/Documentation/arm64/acpi_object_usage.rst
+++ b/Documentation/arm64/acpi_object_usage.rst
@@ -17,12 +17,12 @@ For ACPI on arm64, tables also fall into the following categories:
- Recommended: BERT, EINJ, ERST, HEST, PCCT, SSDT
- - Optional: BGRT, CPEP, CSRT, DBG2, DRTM, ECDT, FACS, FPDT, IORT,
- MCHI, MPST, MSCT, NFIT, PMTT, RASF, SBST, SLIT, SPMI, SRAT, STAO,
- TCPA, TPM2, UEFI, XENV
+ - Optional: BGRT, CPEP, CSRT, DBG2, DRTM, ECDT, FACS, FPDT, IBFT,
+ IORT, MCHI, MPST, MSCT, NFIT, PMTT, RASF, SBST, SLIT, SPMI, SRAT,
+ STAO, TCPA, TPM2, UEFI, XENV
- - Not supported: BOOT, DBGP, DMAR, ETDT, HPET, IBFT, IVRS, LPIT,
- MSDM, OEMx, PSDT, RSDT, SLIC, WAET, WDAT, WDRT, WPBT
+ - Not supported: BOOT, DBGP, DMAR, ETDT, HPET, IVRS, LPIT, MSDM, OEMx,
+ PSDT, RSDT, SLIC, WAET, WDAT, WDRT, WPBT
====== ========================================================================
Table Usage for ARMv8 Linux
diff --git a/Documentation/arm64/silicon-errata.rst b/Documentation/arm64/silicon-errata.rst
index 719510247292..d410a47ffa57 100644
--- a/Documentation/arm64/silicon-errata.rst
+++ b/Documentation/arm64/silicon-errata.rst
@@ -130,6 +130,9 @@ stable kernels.
| Marvell | ARM-MMU-500 | #582743 | N/A |
+----------------+-----------------+-----------------+-----------------------------+
+----------------+-----------------+-----------------+-----------------------------+
+| NVIDIA | Carmel Core | N/A | NVIDIA_CARMEL_CNP_ERRATUM |
++----------------+-----------------+-----------------+-----------------------------+
++----------------+-----------------+-----------------+-----------------------------+
| Freescale/NXP | LS2080A/LS1043A | A-008585 | FSL_ERRATUM_A008585 |
+----------------+-----------------+-----------------+-----------------------------+
+----------------+-----------------+-----------------+-----------------------------+
diff --git a/Documentation/devicetree/bindings/interrupt-controller/ingenic,intc.yaml b/Documentation/devicetree/bindings/interrupt-controller/ingenic,intc.yaml
index 0a046be8d1cd..0358a7739c8e 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/ingenic,intc.yaml
+++ b/Documentation/devicetree/bindings/interrupt-controller/ingenic,intc.yaml
@@ -23,6 +23,7 @@ properties:
- enum:
- ingenic,jz4775-intc
- ingenic,jz4770-intc
+ - ingenic,jz4760b-intc
- const: ingenic,jz4760-intc
- items:
- const: ingenic,x1000-intc
diff --git a/Documentation/devicetree/bindings/sound/fsl,spdif.yaml b/Documentation/devicetree/bindings/sound/fsl,spdif.yaml
index 50449b6d1048..4454aca34d56 100644
--- a/Documentation/devicetree/bindings/sound/fsl,spdif.yaml
+++ b/Documentation/devicetree/bindings/sound/fsl,spdif.yaml
@@ -21,6 +21,10 @@ properties:
- fsl,vf610-spdif
- fsl,imx6sx-spdif
- fsl,imx8qm-spdif
+ - fsl,imx8qxp-spdif
+ - fsl,imx8mq-spdif
+ - fsl,imx8mm-spdif
+ - fsl,imx8mn-spdif
reg:
maxItems: 1
diff --git a/Documentation/gpu/todo.rst b/Documentation/gpu/todo.rst
index 40ccac61137e..22ce801e3a8d 100644
--- a/Documentation/gpu/todo.rst
+++ b/Documentation/gpu/todo.rst
@@ -613,6 +613,27 @@ Some of these date from the very introduction of KMS in 2008 ...
Level: Intermediate
+Remove automatic page mapping from dma-buf importing
+----------------------------------------------------
+
+When importing dma-bufs, the dma-buf and PRIME frameworks automatically map
+imported pages into the importer's DMA area. drm_gem_prime_fd_to_handle() and
+drm_gem_prime_handle_to_fd() require that importers call dma_buf_attach()
+even if they never do actual device DMA, but only CPU access through
+dma_buf_vmap(). This is a problem for USB devices, which do not support DMA
+operations.
+
+To fix the issue, automatic page mappings should be removed from the
+buffer-sharing code. Fixing this is a bit more involved, since the import/export
+cache is also tied to &drm_gem_object.import_attach. Meanwhile we paper over
+this problem for USB devices by fishing out the USB host controller device, as
+long as that supports DMA. Otherwise importing can still needlessly fail.
+
+Contact: Thomas Zimmermann <tzimmermann@suse.de>, Daniel Vetter
+
+Level: Advanced
+
+
Better Testing
==============
diff --git a/Documentation/networking/bonding.rst b/Documentation/networking/bonding.rst
index 5f690f0ad0e4..62f2aab8eaec 100644
--- a/Documentation/networking/bonding.rst
+++ b/Documentation/networking/bonding.rst
@@ -1988,7 +1988,7 @@ netif_carrier.
If use_carrier is 0, then the MII monitor will first query the
device's (via ioctl) MII registers and check the link state. If that
request fails (not just that it returns carrier down), then the MII
-monitor will make an ethtool ETHOOL_GLINK request to attempt to obtain
+monitor will make an ethtool ETHTOOL_GLINK request to attempt to obtain
the same information. If both methods fail (i.e., the driver either
does not support or had some error in processing both the MII register
and ethtool requests), then the MII monitor will assume the link is
diff --git a/Documentation/networking/device_drivers/ethernet/amazon/ena.rst b/Documentation/networking/device_drivers/ethernet/amazon/ena.rst
index 3561a8a29fd2..f8c6469f2bd2 100644
--- a/Documentation/networking/device_drivers/ethernet/amazon/ena.rst
+++ b/Documentation/networking/device_drivers/ethernet/amazon/ena.rst
@@ -267,7 +267,7 @@ DATA PATH
Tx
--
-end_start_xmit() is called by the stack. This function does the following:
+ena_start_xmit() is called by the stack. This function does the following:
- Maps data buffers (skb->data and frags).
- Populates ena_buf for the push buffer (if the driver and device are
diff --git a/Documentation/networking/devlink/devlink-dpipe.rst b/Documentation/networking/devlink/devlink-dpipe.rst
index 468fe1001b74..af37f250df43 100644
--- a/Documentation/networking/devlink/devlink-dpipe.rst
+++ b/Documentation/networking/devlink/devlink-dpipe.rst
@@ -52,7 +52,7 @@ purposes as a standard complementary tool. The system's view from
``devlink-dpipe`` should change according to the changes done by the
standard configuration tools.
-For example, it’s quiet common to implement Access Control Lists (ACL)
+For example, it’s quite common to implement Access Control Lists (ACL)
using Ternary Content Addressable Memory (TCAM). The TCAM memory can be
divided into TCAM regions. Complex TC filters can have multiple rules with
different priorities and different lookup keys. On the other hand hardware
diff --git a/Documentation/networking/devlink/devlink-port.rst b/Documentation/networking/devlink/devlink-port.rst
index e99b41599465..ab790e7980b8 100644
--- a/Documentation/networking/devlink/devlink-port.rst
+++ b/Documentation/networking/devlink/devlink-port.rst
@@ -151,7 +151,7 @@ representor netdevice.
-------------
A subfunction devlink port is created but it is not active yet. That means the
entities are created on devlink side, the e-switch port representor is created,
-but the subfunction device itself it not created. A user might use e-switch port
+but the subfunction device itself is not created. A user might use e-switch port
representor to do settings, putting it into bridge, adding TC rules, etc. A user
might as well configure the hardware address (such as MAC address) of the
subfunction while subfunction is inactive.
@@ -173,7 +173,7 @@ Terms and Definitions
* - Term
- Definitions
* - ``PCI device``
- - A physical PCI device having one or more PCI bus consists of one or
+ - A physical PCI device having one or more PCI buses consists of one or
more PCI controllers.
* - ``PCI controller``
- A controller consists of potentially multiple physical functions,
diff --git a/Documentation/networking/netdev-FAQ.rst b/Documentation/networking/netdev-FAQ.rst
index a64c01b52b4c..91b2cf712801 100644
--- a/Documentation/networking/netdev-FAQ.rst
+++ b/Documentation/networking/netdev-FAQ.rst
@@ -142,73 +142,13 @@ Please send incremental versions on top of what has been merged in order to fix
the patches the way they would look like if your latest patch series was to be
merged.
-How can I tell what patches are queued up for backporting to the various stable releases?
------------------------------------------------------------------------------------------
-Normally Greg Kroah-Hartman collects stable commits himself, but for
-networking, Dave collects up patches he deems critical for the
-networking subsystem, and then hands them off to Greg.
-
-There is a patchworks queue that you can see here:
-
- https://patchwork.kernel.org/bundle/netdev/stable/?state=*
-
-It contains the patches which Dave has selected, but not yet handed off
-to Greg. If Greg already has the patch, then it will be here:
-
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git
-
-A quick way to find whether the patch is in this stable-queue is to
-simply clone the repo, and then git grep the mainline commit ID, e.g.
-::
-
- stable-queue$ git grep -l 284041ef21fdf2e
- releases/3.0.84/ipv6-fix-possible-crashes-in-ip6_cork_release.patch
- releases/3.4.51/ipv6-fix-possible-crashes-in-ip6_cork_release.patch
- releases/3.9.8/ipv6-fix-possible-crashes-in-ip6_cork_release.patch
- stable/stable-queue$
-
-I see a network patch and I think it should be backported to stable. Should I request it via stable@vger.kernel.org like the references in the kernel's Documentation/process/stable-kernel-rules.rst file say?
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
-No, not for networking. Check the stable queues as per above first
-to see if it is already queued. If not, then send a mail to netdev,
-listing the upstream commit ID and why you think it should be a stable
-candidate.
-
-Before you jump to go do the above, do note that the normal stable rules
-in :ref:`Documentation/process/stable-kernel-rules.rst <stable_kernel_rules>`
-still apply. So you need to explicitly indicate why it is a critical
-fix and exactly what users are impacted. In addition, you need to
-convince yourself that you *really* think it has been overlooked,
-vs. having been considered and rejected.
-
-Generally speaking, the longer it has had a chance to "soak" in
-mainline, the better the odds that it is an OK candidate for stable. So
-scrambling to request a commit be added the day after it appears should
-be avoided.
-
-I have created a network patch and I think it should be backported to stable. Should I add a Cc: stable@vger.kernel.org like the references in the kernel's Documentation/ directory say?
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
-No. See above answer. In short, if you think it really belongs in
-stable, then ensure you write a decent commit log that describes who
-gets impacted by the bug fix and how it manifests itself, and when the
-bug was introduced. If you do that properly, then the commit will get
-handled appropriately and most likely get put in the patchworks stable
-queue if it really warrants it.
-
-If you think there is some valid information relating to it being in
-stable that does *not* belong in the commit log, then use the three dash
-marker line as described in
-:ref:`Documentation/process/submitting-patches.rst <the_canonical_patch_format>`
-to temporarily embed that information into the patch that you send.
-
-Are all networking bug fixes backported to all stable releases?
+Are there special rules regarding stable submissions on netdev?
---------------------------------------------------------------
-Due to capacity, Dave could only take care of the backports for the
-last two stable releases. For earlier stable releases, each stable
-branch maintainer is supposed to take care of them. If you find any
-patch is missing from an earlier stable branch, please notify
-stable@vger.kernel.org with either a commit ID or a formal patch
-backported, and CC Dave and other relevant networking developers.
+While it used to be the case that netdev submissions were not supposed
+to carry explicit ``CC: stable@vger.kernel.org`` tags that is no longer
+the case today. Please follow the standard stable rules in
+:ref:`Documentation/process/stable-kernel-rules.rst <stable_kernel_rules>`,
+and make sure you include appropriate Fixes tags!
Is the comment style convention different for the networking content?
---------------------------------------------------------------------
diff --git a/Documentation/networking/xfrm_device.rst b/Documentation/networking/xfrm_device.rst
index da1073acda96..01391dfd37d9 100644
--- a/Documentation/networking/xfrm_device.rst
+++ b/Documentation/networking/xfrm_device.rst
@@ -50,7 +50,7 @@ Callbacks to implement
The NIC driver offering ipsec offload will need to implement these
callbacks to make the offload available to the network stack's
-XFRM subsytem. Additionally, the feature bits NETIF_F_HW_ESP and
+XFRM subsystem. Additionally, the feature bits NETIF_F_HW_ESP and
NETIF_F_HW_ESP_TX_CSUM will signal the availability of the offload.
diff --git a/Documentation/process/stable-kernel-rules.rst b/Documentation/process/stable-kernel-rules.rst
index 3973556250e1..003c865e9c21 100644
--- a/Documentation/process/stable-kernel-rules.rst
+++ b/Documentation/process/stable-kernel-rules.rst
@@ -35,12 +35,6 @@ Rules on what kind of patches are accepted, and which ones are not, into the
Procedure for submitting patches to the -stable tree
----------------------------------------------------
- - If the patch covers files in net/ or drivers/net please follow netdev stable
- submission guidelines as described in
- :ref:`Documentation/networking/netdev-FAQ.rst <netdev-FAQ>`
- after first checking the stable networking queue at
- https://patchwork.kernel.org/bundle/netdev/stable/?state=*
- to ensure the requested patch is not already queued up.
- Security patches should not be handled (solely) by the -stable review
process but should follow the procedures in
:ref:`Documentation/admin-guide/security-bugs.rst <securitybugs>`.
diff --git a/Documentation/process/submitting-patches.rst b/Documentation/process/submitting-patches.rst
index 8c991c863628..91de63b201c1 100644
--- a/Documentation/process/submitting-patches.rst
+++ b/Documentation/process/submitting-patches.rst
@@ -250,11 +250,6 @@ should also read
:ref:`Documentation/process/stable-kernel-rules.rst <stable_kernel_rules>`
in addition to this file.
-Note, however, that some subsystem maintainers want to come to their own
-conclusions on which patches should go to the stable trees. The networking
-maintainer, in particular, would rather not see individual developers
-adding lines like the above to their patches.
-
If changes affect userland-kernel interfaces, please send the MAN-PAGES
maintainer (as listed in the MAINTAINERS file) a man-pages patch, or at
least a notification of the change, so that some information makes its way
diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst
index 1a2b5210cdbf..307f2fcf1b02 100644
--- a/Documentation/virt/kvm/api.rst
+++ b/Documentation/virt/kvm/api.rst
@@ -182,6 +182,9 @@ is dependent on the CPU capability and the kernel configuration. The limit can
be retrieved using KVM_CAP_ARM_VM_IPA_SIZE of the KVM_CHECK_EXTENSION
ioctl() at run-time.
+Creation of the VM will fail if the requested IPA size (whether it is
+implicit or explicit) is unsupported on the host.
+
Please note that configuring the IPA size does not affect the capability
exposed by the guest CPUs in ID_AA64MMFR0_EL1[PARange]. It only affects
size of the address translated by the stage2 level (guest physical to
@@ -1492,7 +1495,8 @@ Fails if any VCPU has already been created.
Define which vcpu is the Bootstrap Processor (BSP). Values are the same
as the vcpu id in KVM_CREATE_VCPU. If this ioctl is not called, the default
-is vcpu 0.
+is vcpu 0. This ioctl has to be called before vcpu creation,
+otherwise it will return EBUSY error.
4.42 KVM_GET_XSAVE
@@ -4803,8 +4807,10 @@ If an MSR access is not permitted through the filtering, it generates a
allows user space to deflect and potentially handle various MSR accesses
into user space.
-If a vCPU is in running state while this ioctl is invoked, the vCPU may
-experience inconsistent filtering behavior on MSR accesses.
+Note, invoking this ioctl with a vCPU is running is inherently racy. However,
+KVM does guarantee that vCPUs will see either the previous filter or the new
+filter, e.g. MSRs with identical settings in both the old and new filter will
+have deterministic behavior.
4.127 KVM_XEN_HVM_SET_ATTR
--------------------------
diff --git a/MAINTAINERS b/MAINTAINERS
index d92f85ca831d..6e91994b8d3b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -261,8 +261,8 @@ ABI/API
L: linux-api@vger.kernel.org
F: include/linux/syscalls.h
F: kernel/sys_ni.c
-F: include/uapi/
-F: arch/*/include/uapi/
+X: include/uapi/
+X: arch/*/include/uapi/
ABIT UGURU 1,2 HARDWARE MONITOR DRIVER
M: Hans de Goede <hdegoede@redhat.com>
@@ -1181,7 +1181,7 @@ M: Joel Fernandes <joel@joelfernandes.org>
M: Christian Brauner <christian@brauner.io>
M: Hridya Valsaraju <hridya@google.com>
M: Suren Baghdasaryan <surenb@google.com>
-L: devel@driverdev.osuosl.org
+L: linux-kernel@vger.kernel.org
S: Supported
T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git
F: drivers/android/
@@ -2489,7 +2489,7 @@ N: sc27xx
N: sc2731
ARM/STI ARCHITECTURE
-M: Patrice Chotard <patrice.chotard@st.com>
+M: Patrice Chotard <patrice.chotard@foss.st.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
W: http://www.stlinux.com
@@ -2522,7 +2522,7 @@ F: include/linux/remoteproc/st_slim_rproc.h
ARM/STM32 ARCHITECTURE
M: Maxime Coquelin <mcoquelin.stm32@gmail.com>
-M: Alexandre Torgue <alexandre.torgue@st.com>
+M: Alexandre Torgue <alexandre.torgue@foss.st.com>
L: linux-stm32@st-md-mailman.stormreply.com (moderated for non-subscribers)
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
@@ -3115,7 +3115,7 @@ C: irc://irc.oftc.net/bcache
F: drivers/md/bcache/
BDISP ST MEDIA DRIVER
-M: Fabien Dessenne <fabien.dessenne@st.com>
+M: Fabien Dessenne <fabien.dessenne@foss.st.com>
L: linux-media@vger.kernel.org
S: Supported
W: https://linuxtv.org
@@ -3675,7 +3675,7 @@ M: bcm-kernel-feedback-list@broadcom.com
L: linux-pm@vger.kernel.org
S: Maintained
T: git git://github.com/broadcom/stblinux.git
-F: drivers/soc/bcm/bcm-pmb.c
+F: drivers/soc/bcm/bcm63xx/bcm-pmb.c
F: include/dt-bindings/soc/bcm-pmb.h
BROADCOM SPECIFIC AMBA DRIVER (BCMA)
@@ -5080,7 +5080,7 @@ S: Maintained
F: drivers/platform/x86/dell/dell-wmi.c
DELTA ST MEDIA DRIVER
-M: Hugues Fruchet <hugues.fruchet@st.com>
+M: Hugues Fruchet <hugues.fruchet@foss.st.com>
L: linux-media@vger.kernel.org
S: Supported
W: https://linuxtv.org
@@ -5835,7 +5835,7 @@ M: David Airlie <airlied@linux.ie>
M: Daniel Vetter <daniel@ffwll.ch>
L: dri-devel@lists.freedesktop.org
S: Maintained
-B: https://bugs.freedesktop.org/
+B: https://gitlab.freedesktop.org/drm
C: irc://chat.freenode.net/dri-devel
T: git git://anongit.freedesktop.org/drm/drm
F: Documentation/devicetree/bindings/display/
@@ -6006,7 +6006,6 @@ F: drivers/gpu/drm/rockchip/
DRM DRIVERS FOR STI
M: Benjamin Gaignard <benjamin.gaignard@linaro.org>
-M: Vincent Abriou <vincent.abriou@st.com>
L: dri-devel@lists.freedesktop.org
S: Maintained
T: git git://anongit.freedesktop.org/drm/drm-misc
@@ -6014,10 +6013,9 @@ F: Documentation/devicetree/bindings/display/st,stih4xx.txt
F: drivers/gpu/drm/sti
DRM DRIVERS FOR STM
-M: Yannick Fertre <yannick.fertre@st.com>
-M: Philippe Cornu <philippe.cornu@st.com>
+M: Yannick Fertre <yannick.fertre@foss.st.com>
+M: Philippe Cornu <philippe.cornu@foss.st.com>
M: Benjamin Gaignard <benjamin.gaignard@linaro.org>
-M: Vincent Abriou <vincent.abriou@st.com>
L: dri-devel@lists.freedesktop.org
S: Maintained
T: git git://anongit.freedesktop.org/drm/drm-misc
@@ -8116,7 +8114,6 @@ F: drivers/crypto/hisilicon/sec2/sec_main.c
HISILICON STAGING DRIVERS FOR HIKEY 960/970
M: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
-L: devel@driverdev.osuosl.org
S: Maintained
F: drivers/staging/hikey9xx/
@@ -8231,7 +8228,7 @@ F: include/linux/hugetlb.h
F: mm/hugetlb.c
HVA ST MEDIA DRIVER
-M: Jean-Christophe Trotin <jean-christophe.trotin@st.com>
+M: Jean-Christophe Trotin <jean-christophe.trotin@foss.st.com>
L: linux-media@vger.kernel.org
S: Supported
W: https://linuxtv.org
@@ -8521,6 +8518,7 @@ IBM Power SRIOV Virtual NIC Device Driver
M: Dany Madden <drt@linux.ibm.com>
M: Lijun Pan <ljp@linux.ibm.com>
M: Sukadev Bhattiprolu <sukadev@linux.ibm.com>
+R: Thomas Falcon <tlfalcon@linux.ibm.com>
L: netdev@vger.kernel.org
S: Supported
F: drivers/net/ethernet/ibm/ibmvnic.*
@@ -10030,7 +10028,6 @@ F: scripts/leaking_addresses.pl
LED SUBSYSTEM
M: Pavel Machek <pavel@ucw.cz>
-R: Dan Murphy <dmurphy@ti.com>
L: linux-leds@vger.kernel.org
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds.git
@@ -10716,7 +10713,8 @@ F: drivers/net/ethernet/marvell/mvpp2/
MARVELL MWIFIEX WIRELESS DRIVER
M: Amitkumar Karwar <amitkarwar@gmail.com>
-M: Ganapathi Bhat <ganapathi.bhat@nxp.com>
+M: Ganapathi Bhat <ganapathi017@gmail.com>
+M: Sharvari Harisangam <sharvari.harisangam@nxp.com>
M: Xinming Hu <huxinming820@gmail.com>
L: linux-wireless@vger.kernel.org
S: Maintained
@@ -10905,7 +10903,6 @@ T: git git://linuxtv.org/media_tree.git
F: drivers/media/radio/radio-maxiradio*
MCAN MMIO DEVICE DRIVER
-M: Dan Murphy <dmurphy@ti.com>
M: Pankaj Sharma <pankj.sharma@samsung.com>
L: linux-can@vger.kernel.org
S: Maintained
@@ -11166,7 +11163,7 @@ T: git git://linuxtv.org/media_tree.git
F: drivers/media/dvb-frontends/stv6111*
MEDIA DRIVERS FOR STM32 - DCMI
-M: Hugues Fruchet <hugues.fruchet@st.com>
+M: Hugues Fruchet <hugues.fruchet@foss.st.com>
L: linux-media@vger.kernel.org
S: Supported
T: git git://linuxtv.org/media_tree.git
@@ -12537,7 +12534,7 @@ NETWORKING [MPTCP]
M: Mat Martineau <mathew.j.martineau@linux.intel.com>
M: Matthieu Baerts <matthieu.baerts@tessares.net>
L: netdev@vger.kernel.org
-L: mptcp@lists.01.org
+L: mptcp@lists.linux.dev
S: Maintained
W: https://github.com/multipath-tcp/mptcp_net-next/wiki
B: https://github.com/multipath-tcp/mptcp_net-next/issues
@@ -14708,15 +14705,11 @@ F: drivers/net/ethernet/qlogic/qlcnic/
QLOGIC QLGE 10Gb ETHERNET DRIVER
M: Manish Chopra <manishc@marvell.com>
M: GR-Linux-NIC-Dev@marvell.com
-L: netdev@vger.kernel.org
-S: Supported
-F: drivers/staging/qlge/
-
-QLOGIC QLGE 10Gb ETHERNET DRIVER
M: Coiby Xu <coiby.xu@gmail.com>
L: netdev@vger.kernel.org
-S: Maintained
+S: Supported
F: Documentation/networking/device_drivers/qlogic/qlge.rst
+F: drivers/staging/qlge/
QM1D1B0004 MEDIA DRIVER
M: Akihiro Tsukada <tskd08@gmail.com>
@@ -15634,8 +15627,8 @@ F: Documentation/s390/pci.rst
S390 VFIO AP DRIVER
M: Tony Krowiak <akrowiak@linux.ibm.com>
-M: Pierre Morel <pmorel@linux.ibm.com>
M: Halil Pasic <pasic@linux.ibm.com>
+M: Jason Herne <jjherne@linux.ibm.com>
L: linux-s390@vger.kernel.org
S: Supported
W: http://www.ibm.com/developerworks/linux/linux390/
@@ -15647,6 +15640,7 @@ F: drivers/s390/crypto/vfio_ap_private.h
S390 VFIO-CCW DRIVER
M: Cornelia Huck <cohuck@redhat.com>
M: Eric Farman <farman@linux.ibm.com>
+M: Matthew Rosato <mjrosato@linux.ibm.com>
R: Halil Pasic <pasic@linux.ibm.com>
L: linux-s390@vger.kernel.org
L: kvm@vger.kernel.org
@@ -15657,6 +15651,7 @@ F: include/uapi/linux/vfio_ccw.h
S390 VFIO-PCI DRIVER
M: Matthew Rosato <mjrosato@linux.ibm.com>
+M: Eric Farman <farman@linux.ibm.com>
L: linux-s390@vger.kernel.org
L: kvm@vger.kernel.org
S: Supported
@@ -16886,8 +16881,10 @@ F: tools/spi/
SPIDERNET NETWORK DRIVER for CELL
M: Ishizaki Kou <kou.ishizaki@toshiba.co.jp>
+M: Geoff Levand <geoff@infradead.org>
L: netdev@vger.kernel.org
-S: Supported
+L: linuxppc-dev@lists.ozlabs.org
+S: Maintained
F: Documentation/networking/device_drivers/ethernet/toshiba/spider_net.rst
F: drivers/net/ethernet/toshiba/spider_net*
@@ -16941,7 +16938,8 @@ F: Documentation/devicetree/bindings/media/i2c/st,st-mipid02.txt
F: drivers/media/i2c/st-mipid02.c
ST STM32 I2C/SMBUS DRIVER
-M: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
+M: Pierre-Yves MORDRET <pierre-yves.mordret@foss.st.com>
+M: Alain Volmat <alain.volmat@foss.st.com>
L: linux-i2c@vger.kernel.org
S: Maintained
F: drivers/i2c/busses/i2c-stm32*
@@ -17039,7 +17037,7 @@ F: drivers/staging/vt665?/
STAGING SUBSYSTEM
M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-L: devel@driverdev.osuosl.org
+L: linux-staging@lists.linux.dev
S: Supported
T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git
F: drivers/staging/
@@ -17066,7 +17064,7 @@ F: kernel/jump_label.c
F: kernel/static_call.c
STI AUDIO (ASoC) DRIVERS
-M: Arnaud Pouliquen <arnaud.pouliquen@st.com>
+M: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
S: Maintained
F: Documentation/devicetree/bindings/sound/st,sti-asoc-card.txt
@@ -17086,15 +17084,15 @@ T: git git://linuxtv.org/media_tree.git
F: drivers/media/usb/stk1160/
STM32 AUDIO (ASoC) DRIVERS
-M: Olivier Moysan <olivier.moysan@st.com>
-M: Arnaud Pouliquen <arnaud.pouliquen@st.com>
+M: Olivier Moysan <olivier.moysan@foss.st.com>
+M: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
S: Maintained
F: Documentation/devicetree/bindings/iio/adc/st,stm32-*.yaml
F: sound/soc/stm/
STM32 TIMER/LPTIMER DRIVERS
-M: Fabrice Gasnier <fabrice.gasnier@st.com>
+M: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
S: Maintained
F: Documentation/ABI/testing/*timer-stm32
F: Documentation/devicetree/bindings/*/*stm32-*timer*
@@ -17104,7 +17102,7 @@ F: include/linux/*/stm32-*tim*
STMMAC ETHERNET DRIVER
M: Giuseppe Cavallaro <peppe.cavallaro@st.com>
-M: Alexandre Torgue <alexandre.torgue@st.com>
+M: Alexandre Torgue <alexandre.torgue@foss.st.com>
M: Jose Abreu <joabreu@synopsys.com>
L: netdev@vger.kernel.org
S: Supported
@@ -17846,7 +17844,6 @@ S: Maintained
F: drivers/thermal/ti-soc-thermal/
TI BQ27XXX POWER SUPPLY DRIVER
-R: Dan Murphy <dmurphy@ti.com>
F: drivers/power/supply/bq27xxx_battery.c
F: drivers/power/supply/bq27xxx_battery_i2c.c
F: include/linux/power/bq27xxx_battery.h
@@ -17981,7 +17978,6 @@ S: Odd Fixes
F: sound/soc/codecs/tas571x*
TI TCAN4X5X DEVICE DRIVER
-M: Dan Murphy <dmurphy@ti.com>
L: linux-can@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/net/can/tcan4x5x.txt
@@ -19134,7 +19130,7 @@ VME SUBSYSTEM
M: Martyn Welch <martyn@welchs.me.uk>
M: Manohar Vanga <manohar.vanga@gmail.com>
M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-L: devel@driverdev.osuosl.org
+L: linux-kernel@vger.kernel.org
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git
F: Documentation/driver-api/vme.rst
@@ -19165,7 +19161,7 @@ S: Maintained
F: drivers/infiniband/hw/vmw_pvrdma/
VMware PVSCSI driver
-M: Jim Gill <jgill@vmware.com>
+M: Vishal Bhakta <vbhakta@vmware.com>
M: VMware PV-Drivers <pv-drivers@vmware.com>
L: linux-scsi@vger.kernel.org
S: Maintained
diff --git a/Makefile b/Makefile
index 31dcdb3d61fa..73add16f9898 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
VERSION = 5
PATCHLEVEL = 12
SUBLEVEL = 0
-EXTRAVERSION = -rc2
+EXTRAVERSION = -rc5
NAME = Frozen Wasteland
# *DOCUMENTATION*
@@ -264,7 +264,8 @@ no-dot-config-targets := $(clean-targets) \
$(version_h) headers headers_% archheaders archscripts \
%asm-generic kernelversion %src-pkg dt_binding_check \
outputmakefile
-no-sync-config-targets := $(no-dot-config-targets) %install kernelrelease
+no-sync-config-targets := $(no-dot-config-targets) %install kernelrelease \
+ image_name
single-targets := %.a %.i %.ko %.lds %.ll %.lst %.mod %.o %.s %.symtypes %/
config-build :=
@@ -478,6 +479,7 @@ USERINCLUDE := \
-I$(objtree)/arch/$(SRCARCH)/include/generated/uapi \
-I$(srctree)/include/uapi \
-I$(objtree)/include/generated/uapi \
+ -include $(srctree)/include/linux/compiler-version.h \
-include $(srctree)/include/linux/kconfig.h
# Use LINUXINCLUDE when you must reference the include/ directory.
diff --git a/arch/Kconfig b/arch/Kconfig
index 2bb30673d8e6..ecfd3520b676 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -632,13 +632,12 @@ config HAS_LTO_CLANG
def_bool y
# Clang >= 11: https://github.com/ClangBuiltLinux/linux/issues/510
depends on CC_IS_CLANG && CLANG_VERSION >= 110000 && LD_IS_LLD
- depends on $(success,test $(LLVM) -eq 1)
depends on $(success,test $(LLVM_IAS) -eq 1)
depends on $(success,$(NM) --help | head -n 1 | grep -qi llvm)
depends on $(success,$(AR) --help | head -n 1 | grep -qi llvm)
depends on ARCH_SUPPORTS_LTO_CLANG
depends on !FTRACE_MCOUNT_USE_RECORDMCOUNT
- depends on !KASAN
+ depends on !KASAN || KASAN_HW_TAGS
depends on !GCOV_KERNEL
help
The compiler and Kconfig options support building with Clang's
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 853aab5ab327..5da96f5df48f 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -348,6 +348,7 @@ config ARCH_EP93XX
select ARM_AMBA
imply ARM_PATCH_PHYS_VIRT
select ARM_VIC
+ select GENERIC_IRQ_MULTI_HANDLER
select AUTO_ZRELADDR
select CLKDEV_LOOKUP
select CLKSRC_MMIO
diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
index 5b213a1e68bb..5e33d0e88f5b 100644
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi
@@ -40,6 +40,9 @@
ethernet1 = &cpsw_emac1;
spi0 = &spi0;
spi1 = &spi1;
+ mmc0 = &mmc1;
+ mmc1 = &mmc2;
+ mmc2 = &mmc3;
};
cpus {
diff --git a/arch/arm/boot/dts/at91-sam9x60ek.dts b/arch/arm/boot/dts/at91-sam9x60ek.dts
index 73b6b1f89de9..775ceb3acb6c 100644
--- a/arch/arm/boot/dts/at91-sam9x60ek.dts
+++ b/arch/arm/boot/dts/at91-sam9x60ek.dts
@@ -334,14 +334,6 @@
};
&pinctrl {
- atmel,mux-mask = <
- /* A B C */
- 0xFFFFFE7F 0xC0E0397F 0xEF00019D /* pioA */
- 0x03FFFFFF 0x02FC7E68 0x00780000 /* pioB */
- 0xffffffff 0xF83FFFFF 0xB800F3FC /* pioC */
- 0x003FFFFF 0x003F8000 0x00000000 /* pioD */
- >;
-
adc {
pinctrl_adc_default: adc_default {
atmel,pins = <AT91_PIOB 15 AT91_PERIPH_A AT91_PINCTRL_NONE>;
diff --git a/arch/arm/boot/dts/at91-sama5d27_som1.dtsi b/arch/arm/boot/dts/at91-sama5d27_som1.dtsi
index 1b1163858b1d..e3251f3e3eaa 100644
--- a/arch/arm/boot/dts/at91-sama5d27_som1.dtsi
+++ b/arch/arm/boot/dts/at91-sama5d27_som1.dtsi
@@ -84,8 +84,8 @@
pinctrl-0 = <&pinctrl_macb0_default>;
phy-mode = "rmii";
- ethernet-phy@0 {
- reg = <0x0>;
+ ethernet-phy@7 {
+ reg = <0x7>;
interrupt-parent = <&pioA>;
interrupts = <PIN_PD31 IRQ_TYPE_LEVEL_LOW>;
pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi b/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi
index c593597b2119..5a1e10def6ef 100644
--- a/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi
+++ b/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi
@@ -210,9 +210,6 @@
micrel,led-mode = <1>;
clocks = <&clks IMX6UL_CLK_ENET_REF>;
clock-names = "rmii-ref";
- reset-gpios = <&gpio_spi 1 GPIO_ACTIVE_LOW>;
- reset-assert-us = <10000>;
- reset-deassert-us = <100>;
};
@@ -222,9 +219,6 @@
micrel,led-mode = <1>;
clocks = <&clks IMX6UL_CLK_ENET2_REF>;
clock-names = "rmii-ref";
- reset-gpios = <&gpio_spi 2 GPIO_ACTIVE_LOW>;
- reset-assert-us = <10000>;
- reset-deassert-us = <100>;
};
};
};
@@ -243,6 +237,22 @@
status = "okay";
};
+&gpio_spi {
+ eth0-phy-hog {
+ gpio-hog;
+ gpios = <1 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "eth0-phy";
+ };
+
+ eth1-phy-hog {
+ gpio-hog;
+ gpios = <2 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "eth1-phy";
+ };
+};
+
&i2c1 {
clock-frequency = <100000>;
pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/imx6ull-myir-mys-6ulx-eval.dts b/arch/arm/boot/dts/imx6ull-myir-mys-6ulx-eval.dts
index ecbb2cc5b9ab..79cc45728cd2 100644
--- a/arch/arm/boot/dts/imx6ull-myir-mys-6ulx-eval.dts
+++ b/arch/arm/boot/dts/imx6ull-myir-mys-6ulx-eval.dts
@@ -14,5 +14,6 @@
};
&gpmi {
+ fsl,use-minimum-ecc;
status = "okay";
};
diff --git a/arch/arm/boot/dts/sam9x60.dtsi b/arch/arm/boot/dts/sam9x60.dtsi
index 84066c1298df..ec45ced3cde6 100644
--- a/arch/arm/boot/dts/sam9x60.dtsi
+++ b/arch/arm/boot/dts/sam9x60.dtsi
@@ -606,6 +606,15 @@
compatible = "microchip,sam9x60-pinctrl", "atmel,at91sam9x5-pinctrl", "atmel,at91rm9200-pinctrl", "simple-bus";
ranges = <0xfffff400 0xfffff400 0x800>;
+ /* mux-mask corresponding to sam9x60 SoC in TFBGA228L package */
+ atmel,mux-mask = <
+ /* A B C */
+ 0xffffffff 0xffe03fff 0xef00019d /* pioA */
+ 0x03ffffff 0x02fc7e7f 0x00780000 /* pioB */
+ 0xffffffff 0xffffffff 0xf83fffff /* pioC */
+ 0x003fffff 0x003f8000 0x00000000 /* pioD */
+ >;
+
pioA: gpio@fffff400 {
compatible = "microchip,sam9x60-gpio", "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
reg = <0xfffff400 0x200>;
diff --git a/arch/arm/mach-imx/avic.c b/arch/arm/mach-imx/avic.c
index 322caa21bcb3..21bce4049cec 100644
--- a/arch/arm/mach-imx/avic.c
+++ b/arch/arm/mach-imx/avic.c
@@ -7,6 +7,7 @@
#include <linux/module.h>
#include <linux/irq.h>
#include <linux/irqdomain.h>
+#include <linux/irqchip.h>
#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_address.h>
@@ -162,7 +163,7 @@ static void __exception_irq_entry avic_handle_irq(struct pt_regs *regs)
* interrupts. It registers the interrupt enable and disable functions
* to the kernel for each interrupt source.
*/
-void __init mxc_init_irq(void __iomem *irqbase)
+static void __init mxc_init_irq(void __iomem *irqbase)
{
struct device_node *np;
int irq_base;
@@ -220,3 +221,16 @@ void __init mxc_init_irq(void __iomem *irqbase)
printk(KERN_INFO "MXC IRQ initialized\n");
}
+
+static int __init imx_avic_init(struct device_node *node,
+ struct device_node *parent)
+{
+ void __iomem *avic_base;
+
+ avic_base = of_iomap(node, 0);
+ BUG_ON(!avic_base);
+ mxc_init_irq(avic_base);
+ return 0;
+}
+
+IRQCHIP_DECLARE(imx_avic, "fsl,avic", imx_avic_init);
diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h
index 2b004cc4f95e..474dedb73bc7 100644
--- a/arch/arm/mach-imx/common.h
+++ b/arch/arm/mach-imx/common.h
@@ -22,7 +22,6 @@ void mx35_map_io(void);
void imx21_init_early(void);
void imx31_init_early(void);
void imx35_init_early(void);
-void mxc_init_irq(void __iomem *);
void mx31_init_irq(void);
void mx35_init_irq(void);
void mxc_set_cpu_type(unsigned int type);
diff --git a/arch/arm/mach-imx/mach-imx1.c b/arch/arm/mach-imx/mach-imx1.c
index 32df3b8012f9..8eca92d66a2e 100644
--- a/arch/arm/mach-imx/mach-imx1.c
+++ b/arch/arm/mach-imx/mach-imx1.c
@@ -17,16 +17,6 @@ static void __init imx1_init_early(void)
mxc_set_cpu_type(MXC_CPU_MX1);
}
-static void __init imx1_init_irq(void)
-{
- void __iomem *avic_addr;
-
- avic_addr = ioremap(MX1_AVIC_ADDR, SZ_4K);
- WARN_ON(!avic_addr);
-
- mxc_init_irq(avic_addr);
-}
-
static const char * const imx1_dt_board_compat[] __initconst = {
"fsl,imx1",
NULL
@@ -34,7 +24,6 @@ static const char * const imx1_dt_board_compat[] __initconst = {
DT_MACHINE_START(IMX1_DT, "Freescale i.MX1 (Device Tree Support)")
.init_early = imx1_init_early,
- .init_irq = imx1_init_irq,
.dt_compat = imx1_dt_board_compat,
.restart = mxc_restart,
MACHINE_END
diff --git a/arch/arm/mach-imx/mach-imx25.c b/arch/arm/mach-imx/mach-imx25.c
index 95de48a1aa7d..51927bd08aef 100644
--- a/arch/arm/mach-imx/mach-imx25.c
+++ b/arch/arm/mach-imx/mach-imx25.c
@@ -22,17 +22,6 @@ static void __init imx25_dt_init(void)
imx_aips_allow_unprivileged_access("fsl,imx25-aips");
}
-static void __init mx25_init_irq(void)
-{
- struct device_node *np;
- void __iomem *avic_base;
-
- np = of_find_compatible_node(NULL, NULL, "fsl,avic");
- avic_base = of_iomap(np, 0);
- BUG_ON(!avic_base);
- mxc_init_irq(avic_base);
-}
-
static const char * const imx25_dt_board_compat[] __initconst = {
"fsl,imx25",
NULL
@@ -42,6 +31,5 @@ DT_MACHINE_START(IMX25_DT, "Freescale i.MX25 (Device Tree Support)")
.init_early = imx25_init_early,
.init_machine = imx25_dt_init,
.init_late = imx25_pm_init,
- .init_irq = mx25_init_irq,
.dt_compat = imx25_dt_board_compat,
MACHINE_END
diff --git a/arch/arm/mach-imx/mach-imx27.c b/arch/arm/mach-imx/mach-imx27.c
index 262422a9c196..e325c9468105 100644
--- a/arch/arm/mach-imx/mach-imx27.c
+++ b/arch/arm/mach-imx/mach-imx27.c
@@ -56,17 +56,6 @@ static void __init imx27_init_early(void)
mxc_set_cpu_type(MXC_CPU_MX27);
}
-static void __init mx27_init_irq(void)
-{
- void __iomem *avic_base;
- struct device_node *np;
-
- np = of_find_compatible_node(NULL, NULL, "fsl,avic");
- avic_base = of_iomap(np, 0);
- BUG_ON(!avic_base);
- mxc_init_irq(avic_base);
-}
-
static const char * const imx27_dt_board_compat[] __initconst = {
"fsl,imx27",
NULL
@@ -75,7 +64,6 @@ static const char * const imx27_dt_board_compat[] __initconst = {
DT_MACHINE_START(IMX27_DT, "Freescale i.MX27 (Device Tree Support)")
.map_io = mx27_map_io,
.init_early = imx27_init_early,
- .init_irq = mx27_init_irq,
.init_late = imx27_pm_init,
.dt_compat = imx27_dt_board_compat,
MACHINE_END
diff --git a/arch/arm/mach-imx/mach-imx31.c b/arch/arm/mach-imx/mach-imx31.c
index dc69dfe600df..e9a1092b6093 100644
--- a/arch/arm/mach-imx/mach-imx31.c
+++ b/arch/arm/mach-imx/mach-imx31.c
@@ -14,6 +14,5 @@ static const char * const imx31_dt_board_compat[] __initconst = {
DT_MACHINE_START(IMX31_DT, "Freescale i.MX31 (Device Tree Support)")
.map_io = mx31_map_io,
.init_early = imx31_init_early,
- .init_irq = mx31_init_irq,
.dt_compat = imx31_dt_board_compat,
MACHINE_END
diff --git a/arch/arm/mach-imx/mach-imx35.c b/arch/arm/mach-imx/mach-imx35.c
index ec5c3068715c..0fc08218b77d 100644
--- a/arch/arm/mach-imx/mach-imx35.c
+++ b/arch/arm/mach-imx/mach-imx35.c
@@ -27,6 +27,5 @@ DT_MACHINE_START(IMX35_DT, "Freescale i.MX35 (Device Tree Support)")
.l2c_aux_mask = ~0,
.map_io = mx35_map_io,
.init_early = imx35_init_early,
- .init_irq = mx35_init_irq,
.dt_compat = imx35_dt_board_compat,
MACHINE_END
diff --git a/arch/arm/mach-imx/mm-imx3.c b/arch/arm/mach-imx/mm-imx3.c
index 5056438e5b42..28db97289ee8 100644
--- a/arch/arm/mach-imx/mm-imx3.c
+++ b/arch/arm/mach-imx/mm-imx3.c
@@ -109,18 +109,6 @@ void __init imx31_init_early(void)
mx3_ccm_base = of_iomap(np, 0);
BUG_ON(!mx3_ccm_base);
}
-
-void __init mx31_init_irq(void)
-{
- void __iomem *avic_base;
- struct device_node *np;
-
- np = of_find_compatible_node(NULL, NULL, "fsl,imx31-avic");
- avic_base = of_iomap(np, 0);
- BUG_ON(!avic_base);
-
- mxc_init_irq(avic_base);
-}
#endif /* ifdef CONFIG_SOC_IMX31 */
#ifdef CONFIG_SOC_IMX35
@@ -158,16 +146,4 @@ void __init imx35_init_early(void)
mx3_ccm_base = of_iomap(np, 0);
BUG_ON(!mx3_ccm_base);
}
-
-void __init mx35_init_irq(void)
-{
- void __iomem *avic_base;
- struct device_node *np;
-
- np = of_find_compatible_node(NULL, NULL, "fsl,imx35-avic");
- avic_base = of_iomap(np, 0);
- BUG_ON(!avic_base);
-
- mxc_init_irq(avic_base);
-}
#endif /* ifdef CONFIG_SOC_IMX35 */
diff --git a/arch/arm/mach-omap2/sr_device.c b/arch/arm/mach-omap2/sr_device.c
index 62df666c2bd0..17b66f0d0dee 100644
--- a/arch/arm/mach-omap2/sr_device.c
+++ b/arch/arm/mach-omap2/sr_device.c
@@ -88,34 +88,26 @@ static void __init sr_set_nvalues(struct omap_volt_data *volt_data,
extern struct omap_sr_data omap_sr_pdata[];
-static int __init sr_dev_init(struct omap_hwmod *oh, void *user)
+static int __init sr_init_by_name(const char *name, const char *voltdm)
{
struct omap_sr_data *sr_data = NULL;
struct omap_volt_data *volt_data;
- struct omap_smartreflex_dev_attr *sr_dev_attr;
static int i;
- if (!strncmp(oh->name, "smartreflex_mpu_iva", 20) ||
- !strncmp(oh->name, "smartreflex_mpu", 16))
+ if (!strncmp(name, "smartreflex_mpu_iva", 20) ||
+ !strncmp(name, "smartreflex_mpu", 16))
sr_data = &omap_sr_pdata[OMAP_SR_MPU];
- else if (!strncmp(oh->name, "smartreflex_core", 17))
+ else if (!strncmp(name, "smartreflex_core", 17))
sr_data = &omap_sr_pdata[OMAP_SR_CORE];
- else if (!strncmp(oh->name, "smartreflex_iva", 16))
+ else if (!strncmp(name, "smartreflex_iva", 16))
sr_data = &omap_sr_pdata[OMAP_SR_IVA];
if (!sr_data) {
- pr_err("%s: Unknown instance %s\n", __func__, oh->name);
+ pr_err("%s: Unknown instance %s\n", __func__, name);
return -EINVAL;
}
- sr_dev_attr = (struct omap_smartreflex_dev_attr *)oh->dev_attr;
- if (!sr_dev_attr || !sr_dev_attr->sensor_voltdm_name) {
- pr_err("%s: No voltage domain specified for %s. Cannot initialize\n",
- __func__, oh->name);
- goto exit;
- }
-
- sr_data->name = oh->name;
+ sr_data->name = name;
if (cpu_is_omap343x())
sr_data->ip_type = 1;
else
@@ -136,10 +128,10 @@ static int __init sr_dev_init(struct omap_hwmod *oh, void *user)
}
}
- sr_data->voltdm = voltdm_lookup(sr_dev_attr->sensor_voltdm_name);
+ sr_data->voltdm = voltdm_lookup(voltdm);
if (!sr_data->voltdm) {
pr_err("%s: Unable to get voltage domain pointer for VDD %s\n",
- __func__, sr_dev_attr->sensor_voltdm_name);
+ __func__, voltdm);
goto exit;
}
@@ -160,6 +152,20 @@ exit:
return 0;
}
+static int __init sr_dev_init(struct omap_hwmod *oh, void *user)
+{
+ struct omap_smartreflex_dev_attr *sr_dev_attr;
+
+ sr_dev_attr = (struct omap_smartreflex_dev_attr *)oh->dev_attr;
+ if (!sr_dev_attr || !sr_dev_attr->sensor_voltdm_name) {
+ pr_err("%s: No voltage domain specified for %s. Cannot initialize\n",
+ __func__, oh->name);
+ return 0;
+ }
+
+ return sr_init_by_name(oh->name, sr_dev_attr->sensor_voltdm_name);
+}
+
/*
* API to be called from board files to enable smartreflex
* autocompensation at init.
@@ -169,7 +175,42 @@ void __init omap_enable_smartreflex_on_init(void)
sr_enable_on_init = true;
}
+static const char * const omap4_sr_instances[] = {
+ "mpu",
+ "iva",
+ "core",
+};
+
+static const char * const dra7_sr_instances[] = {
+ "mpu",
+ "core",
+};
+
int __init omap_devinit_smartreflex(void)
{
+ const char * const *sr_inst;
+ int i, nr_sr = 0;
+
+ if (soc_is_omap44xx()) {
+ sr_inst = omap4_sr_instances;
+ nr_sr = ARRAY_SIZE(omap4_sr_instances);
+
+ } else if (soc_is_dra7xx()) {
+ sr_inst = dra7_sr_instances;
+ nr_sr = ARRAY_SIZE(dra7_sr_instances);
+ }
+
+ if (nr_sr) {
+ const char *name, *voltdm;
+
+ for (i = 0; i < nr_sr; i++) {
+ name = kasprintf(GFP_KERNEL, "smartreflex_%s", sr_inst[i]);
+ voltdm = sr_inst[i];
+ sr_init_by_name(name, voltdm);
+ }
+
+ return 0;
+ }
+
return omap_hwmod_for_each_by_class("smartreflex", sr_dev_init, NULL);
}
diff --git a/arch/arm/xen/p2m.c b/arch/arm/xen/p2m.c
index acb464547a54..84a1cea1f43b 100644
--- a/arch/arm/xen/p2m.c
+++ b/arch/arm/xen/p2m.c
@@ -11,6 +11,7 @@
#include <xen/xen.h>
#include <xen/interface/memory.h>
+#include <xen/grant_table.h>
#include <xen/page.h>
#include <xen/swiotlb-xen.h>
@@ -109,7 +110,7 @@ int set_foreign_p2m_mapping(struct gnttab_map_grant_ref *map_ops,
map_ops[i].status = GNTST_general_error;
unmap.host_addr = map_ops[i].host_addr,
unmap.handle = map_ops[i].handle;
- map_ops[i].handle = ~0;
+ map_ops[i].handle = INVALID_GRANT_HANDLE;
if (map_ops[i].flags & GNTMAP_device_map)
unmap.dev_bus_addr = map_ops[i].dev_bus_addr;
else
@@ -130,7 +131,6 @@ int set_foreign_p2m_mapping(struct gnttab_map_grant_ref *map_ops,
return 0;
}
-EXPORT_SYMBOL_GPL(set_foreign_p2m_mapping);
int clear_foreign_p2m_mapping(struct gnttab_unmap_grant_ref *unmap_ops,
struct gnttab_unmap_grant_ref *kunmap_ops,
@@ -145,7 +145,6 @@ int clear_foreign_p2m_mapping(struct gnttab_unmap_grant_ref *unmap_ops,
return 0;
}
-EXPORT_SYMBOL_GPL(clear_foreign_p2m_mapping);
bool __set_phys_to_machine_multi(unsigned long pfn,
unsigned long mfn, unsigned long nr_pages)
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 1f212b47a48a..e4e1b6550115 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -810,6 +810,16 @@ config QCOM_FALKOR_ERRATUM_E1041
If unsure, say Y.
+config NVIDIA_CARMEL_CNP_ERRATUM
+ bool "NVIDIA Carmel CNP: CNP on Carmel semantically different than ARM cores"
+ default y
+ help
+ If CNP is enabled on Carmel cores, non-sharable TLBIs on a core will not
+ invalidate shared TLB entries installed by a different core, as it would
+ on standard ARM cores.
+
+ If unsure, say Y.
+
config SOCIONEXT_SYNQUACER_PREITS
bool "Socionext Synquacer: Workaround for GICv3 pre-ITS"
default y
@@ -1055,8 +1065,6 @@ config HW_PERF_EVENTS
config SYS_SUPPORTS_HUGETLBFS
def_bool y
-config ARCH_WANT_HUGE_PMD_SHARE
-
config ARCH_HAS_CACHE_LINE_SIZE
def_bool y
@@ -1157,8 +1165,8 @@ config XEN
config FORCE_MAX_ZONEORDER
int
- default "14" if (ARM64_64K_PAGES && TRANSPARENT_HUGEPAGE)
- default "12" if (ARM64_16K_PAGES && TRANSPARENT_HUGEPAGE)
+ default "14" if ARM64_64K_PAGES
+ default "12" if ARM64_16K_PAGES
default "11"
help
The kernel memory allocator divides physically contiguous memory
@@ -1855,12 +1863,6 @@ config CMDLINE_FROM_BOOTLOADER
the boot loader doesn't provide any, the default kernel command
string provided in CMDLINE will be used.
-config CMDLINE_EXTEND
- bool "Extend bootloader kernel arguments"
- help
- The command-line arguments provided by the boot loader will be
- appended to the default kernel command string.
-
config CMDLINE_FORCE
bool "Always use the default kernel command string"
help
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi
index 7de6b376d792..9058cfa4980f 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1012a.dtsi
@@ -198,6 +198,7 @@
ranges = <0x0 0x00 0x1700000 0x100000>;
reg = <0x00 0x1700000 0x0 0x100000>;
interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;
+ dma-coherent;
sec_jr0: jr@10000 {
compatible = "fsl,sec-v5.4-job-ring",
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
index 5a8a1dc4262d..28c51e521cb2 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
@@ -348,6 +348,7 @@
ranges = <0x0 0x00 0x1700000 0x100000>;
reg = <0x00 0x1700000 0x0 0x100000>;
interrupts = <0 75 0x4>;
+ dma-coherent;
sec_jr0: jr@10000 {
compatible = "fsl,sec-v5.4-job-ring",
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
index 1d6dfd189c7f..39458305e333 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
@@ -354,6 +354,7 @@
ranges = <0x0 0x00 0x1700000 0x100000>;
reg = <0x00 0x1700000 0x0 0x100000>;
interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;
+ dma-coherent;
sec_jr0: jr@10000 {
compatible = "fsl,sec-v5.4-job-ring",
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts
index 0e1a6d953389..122c95ddad30 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts
@@ -35,7 +35,7 @@
&i2c2 {
clock-frequency = <400000>;
- pinctrl-names = "default";
+ pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c2>;
pinctrl-1 = <&pinctrl_i2c2_gpio>;
sda-gpios = <&gpio5 17 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi
index 44a8c2337cee..f3965ec5b31d 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi
@@ -67,7 +67,7 @@
&i2c1 {
clock-frequency = <400000>;
- pinctrl-names = "default";
+ pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c1>;
pinctrl-1 = <&pinctrl_i2c1_gpio>;
sda-gpios = <&gpio5 15 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
diff --git a/arch/arm64/include/asm/checksum.h b/arch/arm64/include/asm/checksum.h
index 93a161b3bf3f..dc52b733675d 100644
--- a/arch/arm64/include/asm/checksum.h
+++ b/arch/arm64/include/asm/checksum.h
@@ -37,7 +37,7 @@ static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl)
} while (--n > 0);
sum += ((sum >> 32) | (sum << 32));
- return csum_fold((__force u32)(sum >> 32));
+ return csum_fold((__force __wsum)(sum >> 32));
}
#define ip_fast_csum ip_fast_csum
diff --git a/arch/arm64/include/asm/cpucaps.h b/arch/arm64/include/asm/cpucaps.h
index b77d997b173b..c40f2490cd7b 100644
--- a/arch/arm64/include/asm/cpucaps.h
+++ b/arch/arm64/include/asm/cpucaps.h
@@ -66,7 +66,8 @@
#define ARM64_WORKAROUND_1508412 58
#define ARM64_HAS_LDAPR 59
#define ARM64_KVM_PROTECTED_MODE 60
+#define ARM64_WORKAROUND_NVIDIA_CARMEL_CNP 61
-#define ARM64_NCAPS 61
+#define ARM64_NCAPS 62
#endif /* __ASM_CPUCAPS_H */
diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h
index 4e90c2debf70..94d4025acc0b 100644
--- a/arch/arm64/include/asm/kvm_arm.h
+++ b/arch/arm64/include/asm/kvm_arm.h
@@ -278,6 +278,7 @@
#define CPTR_EL2_DEFAULT CPTR_EL2_RES1
/* Hyp Debug Configuration Register bits */
+#define MDCR_EL2_TTRF (1 << 19)
#define MDCR_EL2_TPMS (1 << 14)
#define MDCR_EL2_E2PB_MASK (UL(0x3))
#define MDCR_EL2_E2PB_SHIFT (UL(12))
diff --git a/arch/arm64/include/asm/kvm_asm.h b/arch/arm64/include/asm/kvm_asm.h
index 22d933e9b59e..a7ab84f781f7 100644
--- a/arch/arm64/include/asm/kvm_asm.h
+++ b/arch/arm64/include/asm/kvm_asm.h
@@ -47,10 +47,10 @@
#define __KVM_HOST_SMCCC_FUNC___kvm_flush_vm_context 2
#define __KVM_HOST_SMCCC_FUNC___kvm_tlb_flush_vmid_ipa 3
#define __KVM_HOST_SMCCC_FUNC___kvm_tlb_flush_vmid 4
-#define __KVM_HOST_SMCCC_FUNC___kvm_tlb_flush_local_vmid 5
+#define __KVM_HOST_SMCCC_FUNC___kvm_flush_cpu_context 5
#define __KVM_HOST_SMCCC_FUNC___kvm_timer_set_cntvoff 6
#define __KVM_HOST_SMCCC_FUNC___kvm_enable_ssbs 7
-#define __KVM_HOST_SMCCC_FUNC___vgic_v3_get_ich_vtr_el2 8
+#define __KVM_HOST_SMCCC_FUNC___vgic_v3_get_gic_config 8
#define __KVM_HOST_SMCCC_FUNC___vgic_v3_read_vmcr 9
#define __KVM_HOST_SMCCC_FUNC___vgic_v3_write_vmcr 10
#define __KVM_HOST_SMCCC_FUNC___vgic_v3_init_lrs 11
@@ -183,16 +183,16 @@ DECLARE_KVM_HYP_SYM(__bp_harden_hyp_vecs);
#define __bp_harden_hyp_vecs CHOOSE_HYP_SYM(__bp_harden_hyp_vecs)
extern void __kvm_flush_vm_context(void);
+extern void __kvm_flush_cpu_context(struct kvm_s2_mmu *mmu);
extern void __kvm_tlb_flush_vmid_ipa(struct kvm_s2_mmu *mmu, phys_addr_t ipa,
int level);
extern void __kvm_tlb_flush_vmid(struct kvm_s2_mmu *mmu);
-extern void __kvm_tlb_flush_local_vmid(struct kvm_s2_mmu *mmu);
extern void __kvm_timer_set_cntvoff(u64 cntvoff);
extern int __kvm_vcpu_run(struct kvm_vcpu *vcpu);
-extern u64 __vgic_v3_get_ich_vtr_el2(void);
+extern u64 __vgic_v3_get_gic_config(void);
extern u64 __vgic_v3_read_vmcr(void);
extern void __vgic_v3_write_vmcr(u32 vmcr);
extern void __vgic_v3_init_lrs(void);
diff --git a/arch/arm64/include/asm/kvm_hyp.h b/arch/arm64/include/asm/kvm_hyp.h
index c0450828378b..32ae676236b6 100644
--- a/arch/arm64/include/asm/kvm_hyp.h
+++ b/arch/arm64/include/asm/kvm_hyp.h
@@ -83,6 +83,11 @@ void sysreg_restore_guest_state_vhe(struct kvm_cpu_context *ctxt);
void __debug_switch_to_guest(struct kvm_vcpu *vcpu);
void __debug_switch_to_host(struct kvm_vcpu *vcpu);
+#ifdef __KVM_NVHE_HYPERVISOR__
+void __debug_save_host_buffers_nvhe(struct kvm_vcpu *vcpu);
+void __debug_restore_host_buffers_nvhe(struct kvm_vcpu *vcpu);
+#endif
+
void __fpsimd_save_state(struct user_fpsimd_state *fp_regs);
void __fpsimd_restore_state(struct user_fpsimd_state *fp_regs);
@@ -97,7 +102,8 @@ bool kvm_host_psci_handler(struct kvm_cpu_context *host_ctxt);
void __noreturn hyp_panic(void);
#ifdef __KVM_NVHE_HYPERVISOR__
-void __noreturn __hyp_do_panic(bool restore_host, u64 spsr, u64 elr, u64 par);
+void __noreturn __hyp_do_panic(struct kvm_cpu_context *host_ctxt, u64 spsr,
+ u64 elr, u64 par);
#endif
#endif /* __ARM64_KVM_HYP_H__ */
diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h
index c759faf7a1ff..0aabc3be9a75 100644
--- a/arch/arm64/include/asm/memory.h
+++ b/arch/arm64/include/asm/memory.h
@@ -328,6 +328,11 @@ static inline void *phys_to_virt(phys_addr_t x)
#define ARCH_PFN_OFFSET ((unsigned long)PHYS_PFN_OFFSET)
#if !defined(CONFIG_SPARSEMEM_VMEMMAP) || defined(CONFIG_DEBUG_VIRTUAL)
+#define page_to_virt(x) ({ \
+ __typeof__(x) __page = x; \
+ void *__addr = __va(page_to_phys(__page)); \
+ (void *)__tag_set((const void *)__addr, page_kasan_tag(__page));\
+})
#define virt_to_page(x) pfn_to_page(virt_to_pfn(x))
#else
#define page_to_virt(x) ({ \
diff --git a/arch/arm64/include/asm/mmu_context.h b/arch/arm64/include/asm/mmu_context.h
index 70ce8c1d2b07..bd02e99b1a4c 100644
--- a/arch/arm64/include/asm/mmu_context.h
+++ b/arch/arm64/include/asm/mmu_context.h
@@ -63,23 +63,6 @@ static inline void cpu_switch_mm(pgd_t *pgd, struct mm_struct *mm)
extern u64 idmap_t0sz;
extern u64 idmap_ptrs_per_pgd;
-static inline bool __cpu_uses_extended_idmap(void)
-{
- if (IS_ENABLED(CONFIG_ARM64_VA_BITS_52))
- return false;
-
- return unlikely(idmap_t0sz != TCR_T0SZ(VA_BITS));
-}
-
-/*
- * True if the extended ID map requires an extra level of translation table
- * to be configured.
- */
-static inline bool __cpu_uses_extended_idmap_level(void)
-{
- return ARM64_HW_PGTABLE_LEVELS(64 - idmap_t0sz) > CONFIG_PGTABLE_LEVELS;
-}
-
/*
* Ensure TCR.T0SZ is set to the provided value.
*/
diff --git a/arch/arm64/include/asm/pgtable-prot.h b/arch/arm64/include/asm/pgtable-prot.h
index 046be789fbb4..9a65fb528110 100644
--- a/arch/arm64/include/asm/pgtable-prot.h
+++ b/arch/arm64/include/asm/pgtable-prot.h
@@ -66,7 +66,6 @@ extern bool arm64_use_ng_mappings;
#define _PAGE_DEFAULT (_PROT_DEFAULT | PTE_ATTRINDX(MT_NORMAL))
#define PAGE_KERNEL __pgprot(PROT_NORMAL)
-#define PAGE_KERNEL_TAGGED __pgprot(PROT_NORMAL_TAGGED)
#define PAGE_KERNEL_RO __pgprot((PROT_NORMAL & ~PTE_WRITE) | PTE_RDONLY)
#define PAGE_KERNEL_ROX __pgprot((PROT_NORMAL & ~(PTE_WRITE | PTE_PXN)) | PTE_RDONLY)
#define PAGE_KERNEL_EXEC __pgprot(PROT_NORMAL & ~PTE_PXN)
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index e17b96d0e4b5..47027796c2f9 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -486,6 +486,9 @@ static inline pmd_t pmd_mkdevmap(pmd_t pmd)
__pgprot_modify(prot, PTE_ATTRINDX_MASK, PTE_ATTRINDX(MT_NORMAL_NC) | PTE_PXN | PTE_UXN)
#define pgprot_device(prot) \
__pgprot_modify(prot, PTE_ATTRINDX_MASK, PTE_ATTRINDX(MT_DEVICE_nGnRE) | PTE_PXN | PTE_UXN)
+#define pgprot_tagged(prot) \
+ __pgprot_modify(prot, PTE_ATTRINDX_MASK, PTE_ATTRINDX(MT_NORMAL_TAGGED))
+#define pgprot_mhp pgprot_tagged
/*
* DMA allocations for non-coherent devices use what the Arm architecture calls
* "Normal non-cacheable" memory, which permits speculation, unaligned accesses
diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h
index ca2cd75d3286..efc10e9041a0 100644
--- a/arch/arm64/include/asm/processor.h
+++ b/arch/arm64/include/asm/processor.h
@@ -251,6 +251,8 @@ unsigned long get_wchan(struct task_struct *p);
extern struct task_struct *cpu_switch_to(struct task_struct *prev,
struct task_struct *next);
+asmlinkage void arm64_preempt_schedule_irq(void);
+
#define task_pt_regs(p) \
((struct pt_regs *)(THREAD_SIZE + task_stack_page(p)) - 1)
diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index dfd4edbfe360..d4a5fca984c3 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -796,6 +796,11 @@
#define ID_AA64MMFR0_PARANGE_48 0x5
#define ID_AA64MMFR0_PARANGE_52 0x6
+#define ID_AA64MMFR0_TGRAN_2_SUPPORTED_DEFAULT 0x0
+#define ID_AA64MMFR0_TGRAN_2_SUPPORTED_NONE 0x1
+#define ID_AA64MMFR0_TGRAN_2_SUPPORTED_MIN 0x2
+#define ID_AA64MMFR0_TGRAN_2_SUPPORTED_MAX 0x7
+
#ifdef CONFIG_ARM64_PA_BITS_52
#define ID_AA64MMFR0_PARANGE_MAX ID_AA64MMFR0_PARANGE_52
#else
@@ -961,14 +966,17 @@
#define ID_PFR1_PROGMOD_SHIFT 0
#if defined(CONFIG_ARM64_4K_PAGES)
-#define ID_AA64MMFR0_TGRAN_SHIFT ID_AA64MMFR0_TGRAN4_SHIFT
-#define ID_AA64MMFR0_TGRAN_SUPPORTED ID_AA64MMFR0_TGRAN4_SUPPORTED
+#define ID_AA64MMFR0_TGRAN_SHIFT ID_AA64MMFR0_TGRAN4_SHIFT
+#define ID_AA64MMFR0_TGRAN_SUPPORTED_MIN ID_AA64MMFR0_TGRAN4_SUPPORTED
+#define ID_AA64MMFR0_TGRAN_SUPPORTED_MAX 0x7
#elif defined(CONFIG_ARM64_16K_PAGES)
-#define ID_AA64MMFR0_TGRAN_SHIFT ID_AA64MMFR0_TGRAN16_SHIFT
-#define ID_AA64MMFR0_TGRAN_SUPPORTED ID_AA64MMFR0_TGRAN16_SUPPORTED
+#define ID_AA64MMFR0_TGRAN_SHIFT ID_AA64MMFR0_TGRAN16_SHIFT
+#define ID_AA64MMFR0_TGRAN_SUPPORTED_MIN ID_AA64MMFR0_TGRAN16_SUPPORTED
+#define ID_AA64MMFR0_TGRAN_SUPPORTED_MAX 0xF
#elif defined(CONFIG_ARM64_64K_PAGES)
-#define ID_AA64MMFR0_TGRAN_SHIFT ID_AA64MMFR0_TGRAN64_SHIFT
-#define ID_AA64MMFR0_TGRAN_SUPPORTED ID_AA64MMFR0_TGRAN64_SUPPORTED
+#define ID_AA64MMFR0_TGRAN_SHIFT ID_AA64MMFR0_TGRAN64_SHIFT
+#define ID_AA64MMFR0_TGRAN_SUPPORTED_MIN ID_AA64MMFR0_TGRAN64_SUPPORTED
+#define ID_AA64MMFR0_TGRAN_SUPPORTED_MAX 0x7
#endif
#define MVFR2_FPMISC_SHIFT 4
diff --git a/arch/arm64/include/asm/thread_info.h b/arch/arm64/include/asm/thread_info.h
index 9f4e3b266f21..6623c99f0984 100644
--- a/arch/arm64/include/asm/thread_info.h
+++ b/arch/arm64/include/asm/thread_info.h
@@ -55,6 +55,8 @@ void arch_setup_new_exec(void);
#define arch_setup_new_exec arch_setup_new_exec
void arch_release_task_struct(struct task_struct *tsk);
+int arch_dup_task_struct(struct task_struct *dst,
+ struct task_struct *src);
#endif
diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index 506a1cd37973..e2c20c036442 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -526,6 +526,14 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
1, 0),
},
#endif
+#ifdef CONFIG_NVIDIA_CARMEL_CNP_ERRATUM
+ {
+ /* NVIDIA Carmel */
+ .desc = "NVIDIA Carmel CNP erratum",
+ .capability = ARM64_WORKAROUND_NVIDIA_CARMEL_CNP,
+ ERRATA_MIDR_ALL_VERSIONS(MIDR_NVIDIA_CARMEL),
+ },
+#endif
{
}
};
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index 066030717a4c..e5281e1c8f1d 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -383,7 +383,6 @@ static const struct arm64_ftr_bits ftr_id_aa64dfr0[] = {
* of support.
*/
S_ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_EXACT, ID_AA64DFR0_PMUVER_SHIFT, 4, 0),
- ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_EXACT, ID_AA64DFR0_TRACEVER_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_EXACT, ID_AA64DFR0_DEBUGVER_SHIFT, 4, 0x6),
ARM64_FTR_END,
};
@@ -1321,7 +1320,10 @@ has_useable_cnp(const struct arm64_cpu_capabilities *entry, int scope)
* may share TLB entries with a CPU stuck in the crashed
* kernel.
*/
- if (is_kdump_kernel())
+ if (is_kdump_kernel())
+ return false;
+
+ if (cpus_have_const_cap(ARM64_WORKAROUND_NVIDIA_CARMEL_CNP))
return false;
return has_cpuid_feature(entry, scope);
diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c
index 77605aec25fe..51fcf99d5351 100644
--- a/arch/arm64/kernel/cpuinfo.c
+++ b/arch/arm64/kernel/cpuinfo.c
@@ -353,7 +353,7 @@ static void __cpuinfo_store_cpu(struct cpuinfo_arm64 *info)
* with the CLIDR_EL1 fields to avoid triggering false warnings
* when there is a mismatch across the CPUs. Keep track of the
* effective value of the CTR_EL0 in our internal records for
- * acurate sanity check and feature enablement.
+ * accurate sanity check and feature enablement.
*/
info->reg_ctr = read_cpuid_effective_cachetype();
info->reg_dczid = read_cpuid(DCZID_EL0);
diff --git a/arch/arm64/kernel/crash_dump.c b/arch/arm64/kernel/crash_dump.c
index e6e284265f19..58303a9ec32c 100644
--- a/arch/arm64/kernel/crash_dump.c
+++ b/arch/arm64/kernel/crash_dump.c
@@ -64,5 +64,7 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf,
ssize_t elfcorehdr_read(char *buf, size_t count, u64 *ppos)
{
memcpy(buf, phys_to_virt((phys_addr_t)*ppos), count);
+ *ppos += count;
+
return count;
}
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index 66b0e0b66e31..840bda1869e9 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -319,7 +319,7 @@ SYM_FUNC_START_LOCAL(__create_page_tables)
*/
adrp x5, __idmap_text_end
clz x5, x5
- cmp x5, TCR_T0SZ(VA_BITS) // default T0SZ small enough?
+ cmp x5, TCR_T0SZ(VA_BITS_MIN) // default T0SZ small enough?
b.ge 1f // .. then skip VA range extension
adr_l x6, idmap_t0sz
@@ -655,8 +655,10 @@ SYM_FUNC_END(__secondary_too_slow)
SYM_FUNC_START(__enable_mmu)
mrs x2, ID_AA64MMFR0_EL1
ubfx x2, x2, #ID_AA64MMFR0_TGRAN_SHIFT, 4
- cmp x2, #ID_AA64MMFR0_TGRAN_SUPPORTED
- b.ne __no_granule_support
+ cmp x2, #ID_AA64MMFR0_TGRAN_SUPPORTED_MIN
+ b.lt __no_granule_support
+ cmp x2, #ID_AA64MMFR0_TGRAN_SUPPORTED_MAX
+ b.gt __no_granule_support
update_early_cpu_boot_status 0, x2, x3
adrp x2, idmap_pg_dir
phys_to_ttbr x1, x1
diff --git a/arch/arm64/kernel/idreg-override.c b/arch/arm64/kernel/idreg-override.c
index dffb16682330..83f1c4b92095 100644
--- a/arch/arm64/kernel/idreg-override.c
+++ b/arch/arm64/kernel/idreg-override.c
@@ -163,33 +163,36 @@ static __init void __parse_cmdline(const char *cmdline, bool parse_aliases)
} while (1);
}
-static __init void parse_cmdline(void)
+static __init const u8 *get_bootargs_cmdline(void)
{
- if (!IS_ENABLED(CONFIG_CMDLINE_FORCE)) {
- const u8 *prop;
- void *fdt;
- int node;
+ const u8 *prop;
+ void *fdt;
+ int node;
- fdt = get_early_fdt_ptr();
- if (!fdt)
- goto out;
+ fdt = get_early_fdt_ptr();
+ if (!fdt)
+ return NULL;
- node = fdt_path_offset(fdt, "/chosen");
- if (node < 0)
- goto out;
+ node = fdt_path_offset(fdt, "/chosen");
+ if (node < 0)
+ return NULL;
- prop = fdt_getprop(fdt, node, "bootargs", NULL);
- if (!prop)
- goto out;
+ prop = fdt_getprop(fdt, node, "bootargs", NULL);
+ if (!prop)
+ return NULL;
- __parse_cmdline(prop, true);
+ return strlen(prop) ? prop : NULL;
+}
- if (!IS_ENABLED(CONFIG_CMDLINE_EXTEND))
- return;
- }
+static __init void parse_cmdline(void)
+{
+ const u8 *prop = get_bootargs_cmdline();
-out:
- __parse_cmdline(CONFIG_CMDLINE, true);
+ if (IS_ENABLED(CONFIG_CMDLINE_FORCE) || !prop)
+ __parse_cmdline(CONFIG_CMDLINE, true);
+
+ if (!IS_ENABLED(CONFIG_CMDLINE_FORCE) && prop)
+ __parse_cmdline(prop, true);
}
/* Keep checkers quiet */
diff --git a/arch/arm64/kernel/image-vars.h b/arch/arm64/kernel/image-vars.h
index 23f1a557bd9f..5aa9ed1e9ec6 100644
--- a/arch/arm64/kernel/image-vars.h
+++ b/arch/arm64/kernel/image-vars.h
@@ -101,6 +101,9 @@ KVM_NVHE_ALIAS(__stop___kvm_ex_table);
/* Array containing bases of nVHE per-CPU memory regions. */
KVM_NVHE_ALIAS(kvm_arm_hyp_percpu_base);
+/* PMU available static key */
+KVM_NVHE_ALIAS(kvm_arm_pmu_available);
+
#endif /* CONFIG_KVM */
#endif /* __ARM64_KERNEL_IMAGE_VARS_H */
diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
index 7d2318f80955..4658fcf88c2b 100644
--- a/arch/arm64/kernel/perf_event.c
+++ b/arch/arm64/kernel/perf_event.c
@@ -460,7 +460,7 @@ static inline int armv8pmu_counter_has_overflowed(u32 pmnc, int idx)
return pmnc & BIT(ARMV8_IDX_TO_COUNTER(idx));
}
-static inline u32 armv8pmu_read_evcntr(int idx)
+static inline u64 armv8pmu_read_evcntr(int idx)
{
u32 counter = ARMV8_IDX_TO_COUNTER(idx);
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
index 325c83b1a24d..6e60aa3b5ea9 100644
--- a/arch/arm64/kernel/process.c
+++ b/arch/arm64/kernel/process.c
@@ -57,6 +57,8 @@
#include <asm/processor.h>
#include <asm/pointer_auth.h>
#include <asm/stacktrace.h>
+#include <asm/switch_to.h>
+#include <asm/system_misc.h>
#if defined(CONFIG_STACKPROTECTOR) && !defined(CONFIG_STACKPROTECTOR_PER_TASK)
#include <linux/stackprotector.h>
diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c
index ad20981dfda4..d55bdfb7789c 100644
--- a/arch/arm64/kernel/stacktrace.c
+++ b/arch/arm64/kernel/stacktrace.c
@@ -194,8 +194,9 @@ void show_stack(struct task_struct *tsk, unsigned long *sp, const char *loglvl)
#ifdef CONFIG_STACKTRACE
-void arch_stack_walk(stack_trace_consume_fn consume_entry, void *cookie,
- struct task_struct *task, struct pt_regs *regs)
+noinline void arch_stack_walk(stack_trace_consume_fn consume_entry,
+ void *cookie, struct task_struct *task,
+ struct pt_regs *regs)
{
struct stackframe frame;
@@ -203,8 +204,8 @@ void arch_stack_walk(stack_trace_consume_fn consume_entry, void *cookie,
start_backtrace(&frame, regs->regs[29], regs->pc);
else if (task == current)
start_backtrace(&frame,
- (unsigned long)__builtin_frame_address(0),
- (unsigned long)arch_stack_walk);
+ (unsigned long)__builtin_frame_address(1),
+ (unsigned long)__builtin_return_address(0));
else
start_backtrace(&frame, thread_saved_fp(task),
thread_saved_pc(task));
diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
index fc4c95dd2d26..7f06ba76698d 100644
--- a/arch/arm64/kvm/arm.c
+++ b/arch/arm64/kvm/arm.c
@@ -385,11 +385,16 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
last_ran = this_cpu_ptr(mmu->last_vcpu_ran);
/*
+ * We guarantee that both TLBs and I-cache are private to each
+ * vcpu. If detecting that a vcpu from the same VM has
+ * previously run on the same physical CPU, call into the
+ * hypervisor code to nuke the relevant contexts.
+ *
* We might get preempted before the vCPU actually runs, but
* over-invalidation doesn't affect correctness.
*/
if (*last_ran != vcpu->vcpu_id) {
- kvm_call_hyp(__kvm_tlb_flush_local_vmid, mmu);
+ kvm_call_hyp(__kvm_flush_cpu_context, mmu);
*last_ran = vcpu->vcpu_id;
}
diff --git a/arch/arm64/kvm/debug.c b/arch/arm64/kvm/debug.c
index 7a7e425616b5..dbc890511631 100644
--- a/arch/arm64/kvm/debug.c
+++ b/arch/arm64/kvm/debug.c
@@ -89,6 +89,7 @@ void kvm_arm_reset_debug_ptr(struct kvm_vcpu *vcpu)
* - Debug ROM Address (MDCR_EL2_TDRA)
* - OS related registers (MDCR_EL2_TDOSA)
* - Statistical profiler (MDCR_EL2_TPMS/MDCR_EL2_E2PB)
+ * - Self-hosted Trace Filter controls (MDCR_EL2_TTRF)
*
* Additionally, KVM only traps guest accesses to the debug registers if
* the guest is not actively using them (see the KVM_ARM64_DEBUG_DIRTY
@@ -112,6 +113,7 @@ void kvm_arm_setup_debug(struct kvm_vcpu *vcpu)
vcpu->arch.mdcr_el2 = __this_cpu_read(mdcr_el2) & MDCR_EL2_HPMN_MASK;
vcpu->arch.mdcr_el2 |= (MDCR_EL2_TPM |
MDCR_EL2_TPMS |
+ MDCR_EL2_TTRF |
MDCR_EL2_TPMCR |
MDCR_EL2_TDRA |
MDCR_EL2_TDOSA);
diff --git a/arch/arm64/kvm/hyp/entry.S b/arch/arm64/kvm/hyp/entry.S
index b0afad7a99c6..e831d3dfd50d 100644
--- a/arch/arm64/kvm/hyp/entry.S
+++ b/arch/arm64/kvm/hyp/entry.S
@@ -85,8 +85,10 @@ SYM_INNER_LABEL(__guest_exit_panic, SYM_L_GLOBAL)
// If the hyp context is loaded, go straight to hyp_panic
get_loaded_vcpu x0, x1
- cbz x0, hyp_panic
+ cbnz x0, 1f
+ b hyp_panic
+1:
// The hyp context is saved so make sure it is restored to allow
// hyp_panic to run at hyp and, subsequently, panic to run in the host.
// This makes use of __guest_exit to avoid duplication but sets the
@@ -94,7 +96,7 @@ SYM_INNER_LABEL(__guest_exit_panic, SYM_L_GLOBAL)
// current state is saved to the guest context but it will only be
// accurate if the guest had been completely restored.
adr_this_cpu x0, kvm_hyp_ctxt, x1
- adr x1, hyp_panic
+ adr_l x1, hyp_panic
str x1, [x0, #CPU_XREG_OFFSET(30)]
get_vcpu_ptr x1, x0
@@ -146,7 +148,7 @@ SYM_INNER_LABEL(__guest_exit, SYM_L_GLOBAL)
// Now restore the hyp regs
restore_callee_saved_regs x2
- set_loaded_vcpu xzr, x1, x2
+ set_loaded_vcpu xzr, x2, x3
alternative_if ARM64_HAS_RAS_EXTN
// If we have the RAS extensions we can consume a pending error
diff --git a/arch/arm64/kvm/hyp/include/hyp/switch.h b/arch/arm64/kvm/hyp/include/hyp/switch.h
index 54f4860cd87c..6c1f51f25eb3 100644
--- a/arch/arm64/kvm/hyp/include/hyp/switch.h
+++ b/arch/arm64/kvm/hyp/include/hyp/switch.h
@@ -90,15 +90,18 @@ static inline void __activate_traps_common(struct kvm_vcpu *vcpu)
* counter, which could make a PMXEVCNTR_EL0 access UNDEF at
* EL1 instead of being trapped to EL2.
*/
- write_sysreg(0, pmselr_el0);
- write_sysreg(ARMV8_PMU_USERENR_MASK, pmuserenr_el0);
+ if (kvm_arm_support_pmu_v3()) {
+ write_sysreg(0, pmselr_el0);
+ write_sysreg(ARMV8_PMU_USERENR_MASK, pmuserenr_el0);
+ }
write_sysreg(vcpu->arch.mdcr_el2, mdcr_el2);
}
static inline void __deactivate_traps_common(void)
{
write_sysreg(0, hstr_el2);
- write_sysreg(0, pmuserenr_el0);
+ if (kvm_arm_support_pmu_v3())
+ write_sysreg(0, pmuserenr_el0);
}
static inline void ___activate_traps(struct kvm_vcpu *vcpu)
diff --git a/arch/arm64/kvm/hyp/nvhe/debug-sr.c b/arch/arm64/kvm/hyp/nvhe/debug-sr.c
index 91a711aa8382..f401724f12ef 100644
--- a/arch/arm64/kvm/hyp/nvhe/debug-sr.c
+++ b/arch/arm64/kvm/hyp/nvhe/debug-sr.c
@@ -58,16 +58,24 @@ static void __debug_restore_spe(u64 pmscr_el1)
write_sysreg_s(pmscr_el1, SYS_PMSCR_EL1);
}
-void __debug_switch_to_guest(struct kvm_vcpu *vcpu)
+void __debug_save_host_buffers_nvhe(struct kvm_vcpu *vcpu)
{
/* Disable and flush SPE data generation */
__debug_save_spe(&vcpu->arch.host_debug_state.pmscr_el1);
+}
+
+void __debug_switch_to_guest(struct kvm_vcpu *vcpu)
+{
__debug_switch_to_guest_common(vcpu);
}
-void __debug_switch_to_host(struct kvm_vcpu *vcpu)
+void __debug_restore_host_buffers_nvhe(struct kvm_vcpu *vcpu)
{
__debug_restore_spe(vcpu->arch.host_debug_state.pmscr_el1);
+}
+
+void __debug_switch_to_host(struct kvm_vcpu *vcpu)
+{
__debug_switch_to_host_common(vcpu);
}
diff --git a/arch/arm64/kvm/hyp/nvhe/host.S b/arch/arm64/kvm/hyp/nvhe/host.S
index 6585a7cbbc56..5d94584840cc 100644
--- a/arch/arm64/kvm/hyp/nvhe/host.S
+++ b/arch/arm64/kvm/hyp/nvhe/host.S
@@ -71,7 +71,8 @@ SYM_FUNC_START(__host_enter)
SYM_FUNC_END(__host_enter)
/*
- * void __noreturn __hyp_do_panic(bool restore_host, u64 spsr, u64 elr, u64 par);
+ * void __noreturn __hyp_do_panic(struct kvm_cpu_context *host_ctxt, u64 spsr,
+ * u64 elr, u64 par);
*/
SYM_FUNC_START(__hyp_do_panic)
/* Prepare and exit to the host's panic funciton. */
@@ -82,9 +83,11 @@ SYM_FUNC_START(__hyp_do_panic)
hyp_kimg_va lr, x6
msr elr_el2, lr
- /* Set the panic format string. Use the, now free, LR as scratch. */
- ldr lr, =__hyp_panic_string
- hyp_kimg_va lr, x6
+ mov x29, x0
+
+ /* Load the format string into x0 and arguments into x1-7 */
+ ldr x0, =__hyp_panic_string
+ hyp_kimg_va x0, x6
/* Load the format arguments into x1-7. */
mov x6, x3
@@ -94,9 +97,7 @@ SYM_FUNC_START(__hyp_do_panic)
mrs x5, hpfar_el2
/* Enter the host, conditionally restoring the host context. */
- cmp x0, xzr
- mov x0, lr
- b.eq __host_enter_without_restoring
+ cbz x29, __host_enter_without_restoring
b __host_enter_for_panic
SYM_FUNC_END(__hyp_do_panic)
diff --git a/arch/arm64/kvm/hyp/nvhe/hyp-main.c b/arch/arm64/kvm/hyp/nvhe/hyp-main.c
index f012f8665ecc..936328207bde 100644
--- a/arch/arm64/kvm/hyp/nvhe/hyp-main.c
+++ b/arch/arm64/kvm/hyp/nvhe/hyp-main.c
@@ -46,11 +46,11 @@ static void handle___kvm_tlb_flush_vmid(struct kvm_cpu_context *host_ctxt)
__kvm_tlb_flush_vmid(kern_hyp_va(mmu));
}
-static void handle___kvm_tlb_flush_local_vmid(struct kvm_cpu_context *host_ctxt)
+static void handle___kvm_flush_cpu_context(struct kvm_cpu_context *host_ctxt)
{
DECLARE_REG(struct kvm_s2_mmu *, mmu, host_ctxt, 1);
- __kvm_tlb_flush_local_vmid(kern_hyp_va(mmu));
+ __kvm_flush_cpu_context(kern_hyp_va(mmu));
}
static void handle___kvm_timer_set_cntvoff(struct kvm_cpu_context *host_ctxt)
@@ -67,9 +67,9 @@ static void handle___kvm_enable_ssbs(struct kvm_cpu_context *host_ctxt)
write_sysreg_el2(tmp, SYS_SCTLR);
}
-static void handle___vgic_v3_get_ich_vtr_el2(struct kvm_cpu_context *host_ctxt)
+static void handle___vgic_v3_get_gic_config(struct kvm_cpu_context *host_ctxt)
{
- cpu_reg(host_ctxt, 1) = __vgic_v3_get_ich_vtr_el2();
+ cpu_reg(host_ctxt, 1) = __vgic_v3_get_gic_config();
}
static void handle___vgic_v3_read_vmcr(struct kvm_cpu_context *host_ctxt)
@@ -115,10 +115,10 @@ static const hcall_t host_hcall[] = {
HANDLE_FUNC(__kvm_flush_vm_context),
HANDLE_FUNC(__kvm_tlb_flush_vmid_ipa),
HANDLE_FUNC(__kvm_tlb_flush_vmid),
- HANDLE_FUNC(__kvm_tlb_flush_local_vmid),
+ HANDLE_FUNC(__kvm_flush_cpu_context),
HANDLE_FUNC(__kvm_timer_set_cntvoff),
HANDLE_FUNC(__kvm_enable_ssbs),
- HANDLE_FUNC(__vgic_v3_get_ich_vtr_el2),
+ HANDLE_FUNC(__vgic_v3_get_gic_config),
HANDLE_FUNC(__vgic_v3_read_vmcr),
HANDLE_FUNC(__vgic_v3_write_vmcr),
HANDLE_FUNC(__vgic_v3_init_lrs),
diff --git a/arch/arm64/kvm/hyp/nvhe/switch.c b/arch/arm64/kvm/hyp/nvhe/switch.c
index f3d0e9eca56c..68ab6b4d5141 100644
--- a/arch/arm64/kvm/hyp/nvhe/switch.c
+++ b/arch/arm64/kvm/hyp/nvhe/switch.c
@@ -192,6 +192,14 @@ int __kvm_vcpu_run(struct kvm_vcpu *vcpu)
pmu_switch_needed = __pmu_switch_to_guest(host_ctxt);
__sysreg_save_state_nvhe(host_ctxt);
+ /*
+ * We must flush and disable the SPE buffer for nVHE, as
+ * the translation regime(EL1&0) is going to be loaded with
+ * that of the guest. And we must do this before we change the
+ * translation regime to EL2 (via MDCR_EL2_E2PB == 0) and
+ * before we load guest Stage1.
+ */
+ __debug_save_host_buffers_nvhe(vcpu);
__adjust_pc(vcpu);
@@ -234,11 +242,12 @@ int __kvm_vcpu_run(struct kvm_vcpu *vcpu)
if (vcpu->arch.flags & KVM_ARM64_FP_ENABLED)
__fpsimd_save_fpexc32(vcpu);
+ __debug_switch_to_host(vcpu);
/*
* This must come after restoring the host sysregs, since a non-VHE
* system may enable SPE here and make use of the TTBRs.
*/
- __debug_switch_to_host(vcpu);
+ __debug_restore_host_buffers_nvhe(vcpu);
if (pmu_switch_needed)
__pmu_switch_to_host(host_ctxt);
@@ -257,7 +266,6 @@ void __noreturn hyp_panic(void)
u64 spsr = read_sysreg_el2(SYS_SPSR);
u64 elr = read_sysreg_el2(SYS_ELR);
u64 par = read_sysreg_par();
- bool restore_host = true;
struct kvm_cpu_context *host_ctxt;
struct kvm_vcpu *vcpu;
@@ -271,7 +279,7 @@ void __noreturn hyp_panic(void)
__sysreg_restore_state_nvhe(host_ctxt);
}
- __hyp_do_panic(restore_host, spsr, elr, par);
+ __hyp_do_panic(host_ctxt, spsr, elr, par);
unreachable();
}
diff --git a/arch/arm64/kvm/hyp/nvhe/tlb.c b/arch/arm64/kvm/hyp/nvhe/tlb.c
index fbde89a2c6e8..229b06748c20 100644
--- a/arch/arm64/kvm/hyp/nvhe/tlb.c
+++ b/arch/arm64/kvm/hyp/nvhe/tlb.c
@@ -123,7 +123,7 @@ void __kvm_tlb_flush_vmid(struct kvm_s2_mmu *mmu)
__tlb_switch_to_host(&cxt);
}
-void __kvm_tlb_flush_local_vmid(struct kvm_s2_mmu *mmu)
+void __kvm_flush_cpu_context(struct kvm_s2_mmu *mmu)
{
struct tlb_inv_context cxt;
@@ -131,6 +131,7 @@ void __kvm_tlb_flush_local_vmid(struct kvm_s2_mmu *mmu)
__tlb_switch_to_guest(mmu, &cxt);
__tlbi(vmalle1);
+ asm volatile("ic iallu");
dsb(nsh);
isb();
diff --git a/arch/arm64/kvm/hyp/pgtable.c b/arch/arm64/kvm/hyp/pgtable.c
index 4d177ce1d536..926fc07074f5 100644
--- a/arch/arm64/kvm/hyp/pgtable.c
+++ b/arch/arm64/kvm/hyp/pgtable.c
@@ -223,6 +223,7 @@ static inline int __kvm_pgtable_visit(struct kvm_pgtable_walk_data *data,
goto out;
if (!table) {
+ data->addr = ALIGN_DOWN(data->addr, kvm_granule_size(level));
data->addr += kvm_granule_size(level);
goto out;
}
diff --git a/arch/arm64/kvm/hyp/vgic-v3-sr.c b/arch/arm64/kvm/hyp/vgic-v3-sr.c
index 80406f463c28..39f8f7f9227c 100644
--- a/arch/arm64/kvm/hyp/vgic-v3-sr.c
+++ b/arch/arm64/kvm/hyp/vgic-v3-sr.c
@@ -405,9 +405,54 @@ void __vgic_v3_init_lrs(void)
__gic_v3_set_lr(0, i);
}
-u64 __vgic_v3_get_ich_vtr_el2(void)
+/*
+ * Return the GIC CPU configuration:
+ * - [31:0] ICH_VTR_EL2
+ * - [62:32] RES0
+ * - [63] MMIO (GICv2) capable
+ */
+u64 __vgic_v3_get_gic_config(void)
{
- return read_gicreg(ICH_VTR_EL2);
+ u64 val, sre = read_gicreg(ICC_SRE_EL1);
+ unsigned long flags = 0;
+
+ /*
+ * To check whether we have a MMIO-based (GICv2 compatible)
+ * CPU interface, we need to disable the system register
+ * view. To do that safely, we have to prevent any interrupt
+ * from firing (which would be deadly).
+ *
+ * Note that this only makes sense on VHE, as interrupts are
+ * already masked for nVHE as part of the exception entry to
+ * EL2.
+ */
+ if (has_vhe())
+ flags = local_daif_save();
+
+ /*
+ * Table 11-2 "Permitted ICC_SRE_ELx.SRE settings" indicates
+ * that to be able to set ICC_SRE_EL1.SRE to 0, all the
+ * interrupt overrides must be set. You've got to love this.
+ */
+ sysreg_clear_set(hcr_el2, 0, HCR_AMO | HCR_FMO | HCR_IMO);
+ isb();
+ write_gicreg(0, ICC_SRE_EL1);
+ isb();
+
+ val = read_gicreg(ICC_SRE_EL1);
+
+ write_gicreg(sre, ICC_SRE_EL1);
+ isb();
+ sysreg_clear_set(hcr_el2, HCR_AMO | HCR_FMO | HCR_IMO, 0);
+ isb();
+
+ if (has_vhe())
+ local_daif_restore(flags);
+
+ val = (val & ICC_SRE_EL1_SRE) ? 0 : (1ULL << 63);
+ val |= read_gicreg(ICH_VTR_EL2);
+
+ return val;
}
u64 __vgic_v3_read_vmcr(void)
diff --git a/arch/arm64/kvm/hyp/vhe/tlb.c b/arch/arm64/kvm/hyp/vhe/tlb.c
index fd7895945bbc..66f17349f0c3 100644
--- a/arch/arm64/kvm/hyp/vhe/tlb.c
+++ b/arch/arm64/kvm/hyp/vhe/tlb.c
@@ -127,7 +127,7 @@ void __kvm_tlb_flush_vmid(struct kvm_s2_mmu *mmu)
__tlb_switch_to_host(&cxt);
}
-void __kvm_tlb_flush_local_vmid(struct kvm_s2_mmu *mmu)
+void __kvm_flush_cpu_context(struct kvm_s2_mmu *mmu)
{
struct tlb_inv_context cxt;
@@ -135,6 +135,7 @@ void __kvm_tlb_flush_local_vmid(struct kvm_s2_mmu *mmu)
__tlb_switch_to_guest(mmu, &cxt);
__tlbi(vmalle1);
+ asm volatile("ic iallu");
dsb(nsh);
isb();
diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c
index 77cb2d28f2a4..8711894db8c2 100644
--- a/arch/arm64/kvm/mmu.c
+++ b/arch/arm64/kvm/mmu.c
@@ -1312,8 +1312,7 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm,
* Prevent userspace from creating a memory region outside of the IPA
* space addressable by the KVM guest IPA space.
*/
- if (memslot->base_gfn + memslot->npages >=
- (kvm_phys_size(kvm) >> PAGE_SHIFT))
+ if ((memslot->base_gfn + memslot->npages) > (kvm_phys_size(kvm) >> PAGE_SHIFT))
return -EFAULT;
mmap_read_lock(current->mm);
diff --git a/arch/arm64/kvm/perf.c b/arch/arm64/kvm/perf.c
index d45b8b9a4415..739164324afe 100644
--- a/arch/arm64/kvm/perf.c
+++ b/arch/arm64/kvm/perf.c
@@ -11,6 +11,8 @@
#include <asm/kvm_emulate.h>
+DEFINE_STATIC_KEY_FALSE(kvm_arm_pmu_available);
+
static int kvm_is_in_guest(void)
{
return kvm_get_running_vcpu() != NULL;
@@ -48,6 +50,14 @@ static struct perf_guest_info_callbacks kvm_guest_cbs = {
int kvm_perf_init(void)
{
+ /*
+ * Check if HW_PERF_EVENTS are supported by checking the number of
+ * hardware performance counters. This could ensure the presence of
+ * a physical PMU and CONFIG_PERF_EVENT is selected.
+ */
+ if (IS_ENABLED(CONFIG_ARM_PMU) && perf_num_counters() > 0)
+ static_branch_enable(&kvm_arm_pmu_available);
+
return perf_register_guest_info_callbacks(&kvm_guest_cbs);
}
diff --git a/arch/arm64/kvm/pmu-emul.c b/arch/arm64/kvm/pmu-emul.c
index e9ec08b0b070..e32c6e139a09 100644
--- a/arch/arm64/kvm/pmu-emul.c
+++ b/arch/arm64/kvm/pmu-emul.c
@@ -823,16 +823,6 @@ u64 kvm_pmu_get_pmceid(struct kvm_vcpu *vcpu, bool pmceid1)
return val & mask;
}
-bool kvm_arm_support_pmu_v3(void)
-{
- /*
- * Check if HW_PERF_EVENTS are supported by checking the number of
- * hardware performance counters. This could ensure the presence of
- * a physical PMU and CONFIG_PERF_EVENT is selected.
- */
- return (perf_num_counters() > 0);
-}
-
int kvm_arm_pmu_v3_enable(struct kvm_vcpu *vcpu)
{
if (!kvm_vcpu_has_pmu(vcpu))
diff --git a/arch/arm64/kvm/reset.c b/arch/arm64/kvm/reset.c
index 47f3f035f3ea..bd354cd45d28 100644
--- a/arch/arm64/kvm/reset.c
+++ b/arch/arm64/kvm/reset.c
@@ -311,23 +311,24 @@ int kvm_set_ipa_limit(void)
}
switch (cpuid_feature_extract_unsigned_field(mmfr0, tgran_2)) {
- default:
- case 1:
+ case ID_AA64MMFR0_TGRAN_2_SUPPORTED_NONE:
kvm_err("PAGE_SIZE not supported at Stage-2, giving up\n");
return -EINVAL;
- case 0:
+ case ID_AA64MMFR0_TGRAN_2_SUPPORTED_DEFAULT:
kvm_debug("PAGE_SIZE supported at Stage-2 (default)\n");
break;
- case 2:
+ case ID_AA64MMFR0_TGRAN_2_SUPPORTED_MIN ... ID_AA64MMFR0_TGRAN_2_SUPPORTED_MAX:
kvm_debug("PAGE_SIZE supported at Stage-2 (advertised)\n");
break;
+ default:
+ kvm_err("Unsupported value for TGRAN_2, giving up\n");
+ return -EINVAL;
}
kvm_ipa_limit = id_aa64mmfr0_parange_to_phys_shift(parange);
- WARN(kvm_ipa_limit < KVM_PHYS_SHIFT,
- "KVM IPA Size Limit (%d bits) is smaller than default size\n",
- kvm_ipa_limit);
- kvm_info("IPA Size Limit: %d bits\n", kvm_ipa_limit);
+ kvm_info("IPA Size Limit: %d bits%s\n", kvm_ipa_limit,
+ ((kvm_ipa_limit < KVM_PHYS_SHIFT) ?
+ " (Reduced IPA size, limited VM/VMM compatibility)" : ""));
return 0;
}
@@ -356,6 +357,11 @@ int kvm_arm_setup_stage2(struct kvm *kvm, unsigned long type)
return -EINVAL;
} else {
phys_shift = KVM_PHYS_SHIFT;
+ if (phys_shift > kvm_ipa_limit) {
+ pr_warn_once("%s using unsupported default IPA limit, upgrade your VMM\n",
+ current->comm);
+ return -EINVAL;
+ }
}
mmfr0 = read_sanitised_ftr_reg(SYS_ID_AA64MMFR0_EL1);
diff --git a/arch/arm64/kvm/vgic/vgic-v3.c b/arch/arm64/kvm/vgic/vgic-v3.c
index 52915b342351..6f530925a231 100644
--- a/arch/arm64/kvm/vgic/vgic-v3.c
+++ b/arch/arm64/kvm/vgic/vgic-v3.c
@@ -574,9 +574,13 @@ early_param("kvm-arm.vgic_v4_enable", early_gicv4_enable);
*/
int vgic_v3_probe(const struct gic_kvm_info *info)
{
- u32 ich_vtr_el2 = kvm_call_hyp_ret(__vgic_v3_get_ich_vtr_el2);
+ u64 ich_vtr_el2 = kvm_call_hyp_ret(__vgic_v3_get_gic_config);
+ bool has_v2;
int ret;
+ has_v2 = ich_vtr_el2 >> 63;
+ ich_vtr_el2 = (u32)ich_vtr_el2;
+
/*
* The ListRegs field is 5 bits, but there is an architectural
* maximum of 16 list registers. Just ignore bit 4...
@@ -594,13 +598,15 @@ int vgic_v3_probe(const struct gic_kvm_info *info)
gicv4_enable ? "en" : "dis");
}
+ kvm_vgic_global_state.vcpu_base = 0;
+
if (!info->vcpu.start) {
kvm_info("GICv3: no GICV resource entry\n");
- kvm_vgic_global_state.vcpu_base = 0;
+ } else if (!has_v2) {
+ pr_warn(FW_BUG "CPU interface incapable of MMIO access\n");
} else if (!PAGE_ALIGNED(info->vcpu.start)) {
pr_warn("GICV physical address 0x%llx not page aligned\n",
(unsigned long long)info->vcpu.start);
- kvm_vgic_global_state.vcpu_base = 0;
} else {
kvm_vgic_global_state.vcpu_base = info->vcpu.start;
kvm_vgic_global_state.can_emulate_gicv2 = true;
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 0ace5e68efba..3685e12aba9b 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -219,17 +219,40 @@ static void __init zone_sizes_init(unsigned long min, unsigned long max)
int pfn_valid(unsigned long pfn)
{
- phys_addr_t addr = pfn << PAGE_SHIFT;
+ phys_addr_t addr = PFN_PHYS(pfn);
- if ((addr >> PAGE_SHIFT) != pfn)
+ /*
+ * Ensure the upper PAGE_SHIFT bits are clear in the
+ * pfn. Else it might lead to false positives when
+ * some of the upper bits are set, but the lower bits
+ * match a valid pfn.
+ */
+ if (PHYS_PFN(addr) != pfn)
return 0;
#ifdef CONFIG_SPARSEMEM
+{
+ struct mem_section *ms;
+
if (pfn_to_section_nr(pfn) >= NR_MEM_SECTIONS)
return 0;
- if (!valid_section(__pfn_to_section(pfn)))
+ ms = __pfn_to_section(pfn);
+ if (!valid_section(ms))
return 0;
+
+ /*
+ * ZONE_DEVICE memory does not have the memblock entries.
+ * memblock_is_map_memory() check for ZONE_DEVICE based
+ * addresses will always fail. Even the normal hotplugged
+ * memory will never have MEMBLOCK_NOMAP flag set in their
+ * memblock entries. Skip memblock search for all non early
+ * memory sections covering all of hotplug memory including
+ * both normal and ZONE_DEVICE based.
+ */
+ if (!early_section(ms))
+ return pfn_section_valid(ms, pfn);
+}
#endif
return memblock_is_map_memory(addr);
}
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index 3802cfbdd20d..5d9550fdb9cf 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -40,7 +40,7 @@
#define NO_BLOCK_MAPPINGS BIT(0)
#define NO_CONT_MAPPINGS BIT(1)
-u64 idmap_t0sz = TCR_T0SZ(VA_BITS);
+u64 idmap_t0sz = TCR_T0SZ(VA_BITS_MIN);
u64 idmap_ptrs_per_pgd = PTRS_PER_PGD;
u64 __section(".mmuoff.data.write") vabits_actual;
@@ -512,7 +512,8 @@ static void __init map_mem(pgd_t *pgdp)
* if MTE is present. Otherwise, it has the same attributes as
* PAGE_KERNEL.
*/
- __map_memblock(pgdp, start, end, PAGE_KERNEL_TAGGED, flags);
+ __map_memblock(pgdp, start, end, pgprot_tagged(PAGE_KERNEL),
+ flags);
}
/*
@@ -1447,6 +1448,22 @@ static void __remove_pgd_mapping(pgd_t *pgdir, unsigned long start, u64 size)
struct range arch_get_mappable_range(void)
{
struct range mhp_range;
+ u64 start_linear_pa = __pa(_PAGE_OFFSET(vabits_actual));
+ u64 end_linear_pa = __pa(PAGE_END - 1);
+
+ if (IS_ENABLED(CONFIG_RANDOMIZE_BASE)) {
+ /*
+ * Check for a wrap, it is possible because of randomized linear
+ * mapping the start physical address is actually bigger than
+ * the end physical address. In this case set start to zero
+ * because [0, end_linear_pa] range must still be able to cover
+ * all addressable physical addresses.
+ */
+ if (start_linear_pa > end_linear_pa)
+ start_linear_pa = 0;
+ }
+
+ WARN_ON(start_linear_pa > end_linear_pa);
/*
* Linear mapping region is the range [PAGE_OFFSET..(PAGE_END - 1)]
@@ -1454,8 +1471,9 @@ struct range arch_get_mappable_range(void)
* range which can be mapped inside this linear mapping range, must
* also be derived from its end points.
*/
- mhp_range.start = __pa(_PAGE_OFFSET(vabits_actual));
- mhp_range.end = __pa(PAGE_END - 1);
+ mhp_range.start = start_linear_pa;
+ mhp_range.end = end_linear_pa;
+
return mhp_range;
}
diff --git a/arch/csky/kernel/probes/ftrace.c b/arch/csky/kernel/probes/ftrace.c
index ae2b1c7b3b5c..ef2bb9bd9605 100644
--- a/arch/csky/kernel/probes/ftrace.c
+++ b/arch/csky/kernel/probes/ftrace.c
@@ -9,7 +9,7 @@ int arch_check_ftrace_location(struct kprobe *p)
return 0;
}
-/* Ftrace callback handler for kprobes -- called under preepmt disabed */
+/* Ftrace callback handler for kprobes -- called under preepmt disabled */
void kprobe_ftrace_handler(unsigned long ip, unsigned long parent_ip,
struct ftrace_ops *ops, struct ftrace_regs *fregs)
{
diff --git a/arch/ia64/include/asm/syscall.h b/arch/ia64/include/asm/syscall.h
index 6c6f16e409a8..0d23c0049301 100644
--- a/arch/ia64/include/asm/syscall.h
+++ b/arch/ia64/include/asm/syscall.h
@@ -32,7 +32,7 @@ static inline void syscall_rollback(struct task_struct *task,
static inline long syscall_get_error(struct task_struct *task,
struct pt_regs *regs)
{
- return regs->r10 == -1 ? regs->r8:0;
+ return regs->r10 == -1 ? -regs->r8:0;
}
static inline long syscall_get_return_value(struct task_struct *task,
diff --git a/arch/ia64/kernel/err_inject.c b/arch/ia64/kernel/err_inject.c
index 8b5b8e6bc9d9..dd5bfed52031 100644
--- a/arch/ia64/kernel/err_inject.c
+++ b/arch/ia64/kernel/err_inject.c
@@ -59,7 +59,7 @@ show_##name(struct device *dev, struct device_attribute *attr, \
char *buf) \
{ \
u32 cpu=dev->id; \
- return sprintf(buf, "%lx\n", name[cpu]); \
+ return sprintf(buf, "%llx\n", name[cpu]); \
}
#define store(name) \
@@ -86,9 +86,9 @@ store_call_start(struct device *dev, struct device_attribute *attr,
#ifdef ERR_INJ_DEBUG
printk(KERN_DEBUG "pal_mc_err_inject for cpu%d:\n", cpu);
- printk(KERN_DEBUG "err_type_info=%lx,\n", err_type_info[cpu]);
- printk(KERN_DEBUG "err_struct_info=%lx,\n", err_struct_info[cpu]);
- printk(KERN_DEBUG "err_data_buffer=%lx, %lx, %lx.\n",
+ printk(KERN_DEBUG "err_type_info=%llx,\n", err_type_info[cpu]);
+ printk(KERN_DEBUG "err_struct_info=%llx,\n", err_struct_info[cpu]);
+ printk(KERN_DEBUG "err_data_buffer=%llx, %llx, %llx.\n",
err_data_buffer[cpu].data1,
err_data_buffer[cpu].data2,
err_data_buffer[cpu].data3);
@@ -117,8 +117,8 @@ store_call_start(struct device *dev, struct device_attribute *attr,
#ifdef ERR_INJ_DEBUG
printk(KERN_DEBUG "Returns: status=%d,\n", (int)status[cpu]);
- printk(KERN_DEBUG "capabilities=%lx,\n", capabilities[cpu]);
- printk(KERN_DEBUG "resources=%lx\n", resources[cpu]);
+ printk(KERN_DEBUG "capabilities=%llx,\n", capabilities[cpu]);
+ printk(KERN_DEBUG "resources=%llx\n", resources[cpu]);
#endif
return size;
}
@@ -131,7 +131,7 @@ show_virtual_to_phys(struct device *dev, struct device_attribute *attr,
char *buf)
{
unsigned int cpu=dev->id;
- return sprintf(buf, "%lx\n", phys_addr[cpu]);
+ return sprintf(buf, "%llx\n", phys_addr[cpu]);
}
static ssize_t
@@ -145,7 +145,7 @@ store_virtual_to_phys(struct device *dev, struct device_attribute *attr,
ret = get_user_pages_fast(virt_addr, 1, FOLL_WRITE, NULL);
if (ret<=0) {
#ifdef ERR_INJ_DEBUG
- printk("Virtual address %lx is not existing.\n",virt_addr);
+ printk("Virtual address %llx is not existing.\n", virt_addr);
#endif
return -EINVAL;
}
@@ -163,7 +163,7 @@ show_err_data_buffer(struct device *dev,
{
unsigned int cpu=dev->id;
- return sprintf(buf, "%lx, %lx, %lx\n",
+ return sprintf(buf, "%llx, %llx, %llx\n",
err_data_buffer[cpu].data1,
err_data_buffer[cpu].data2,
err_data_buffer[cpu].data3);
@@ -178,13 +178,13 @@ store_err_data_buffer(struct device *dev,
int ret;
#ifdef ERR_INJ_DEBUG
- printk("write err_data_buffer=[%lx,%lx,%lx] on cpu%d\n",
+ printk("write err_data_buffer=[%llx,%llx,%llx] on cpu%d\n",
err_data_buffer[cpu].data1,
err_data_buffer[cpu].data2,
err_data_buffer[cpu].data3,
cpu);
#endif
- ret=sscanf(buf, "%lx, %lx, %lx",
+ ret = sscanf(buf, "%llx, %llx, %llx",
&err_data_buffer[cpu].data1,
&err_data_buffer[cpu].data2,
&err_data_buffer[cpu].data3);
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index d4cae2fc69ca..adf6521525f4 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -1824,7 +1824,7 @@ ia64_mca_cpu_init(void *cpu_data)
data = mca_bootmem();
first_time = 0;
} else
- data = (void *)__get_free_pages(GFP_KERNEL,
+ data = (void *)__get_free_pages(GFP_ATOMIC,
get_order(sz));
if (!data)
panic("Could not allocate MCA memory for cpu %d\n",
diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c
index c3490ee2daa5..e14f5653393a 100644
--- a/arch/ia64/kernel/ptrace.c
+++ b/arch/ia64/kernel/ptrace.c
@@ -2013,27 +2013,39 @@ static void syscall_get_set_args_cb(struct unw_frame_info *info, void *data)
{
struct syscall_get_set_args *args = data;
struct pt_regs *pt = args->regs;
- unsigned long *krbs, cfm, ndirty;
+ unsigned long *krbs, cfm, ndirty, nlocals, nouts;
int i, count;
if (unw_unwind_to_user(info) < 0)
return;
+ /*
+ * We get here via a few paths:
+ * - break instruction: cfm is shared with caller.
+ * syscall args are in out= regs, locals are non-empty.
+ * - epsinstruction: cfm is set by br.call
+ * locals don't exist.
+ *
+ * For both cases argguments are reachable in cfm.sof - cfm.sol.
+ * CFM: [ ... | sor: 17..14 | sol : 13..7 | sof : 6..0 ]
+ */
cfm = pt->cr_ifs;
+ nlocals = (cfm >> 7) & 0x7f; /* aka sol */
+ nouts = (cfm & 0x7f) - nlocals; /* aka sof - sol */
krbs = (unsigned long *)info->task + IA64_RBS_OFFSET/8;
ndirty = ia64_rse_num_regs(krbs, krbs + (pt->loadrs >> 19));
count = 0;
if (in_syscall(pt))
- count = min_t(int, args->n, cfm & 0x7f);
+ count = min_t(int, args->n, nouts);
+ /* Iterate over outs. */
for (i = 0; i < count; i++) {
+ int j = ndirty + nlocals + i + args->i;
if (args->rw)
- *ia64_rse_skip_regs(krbs, ndirty + i + args->i) =
- args->args[i];
+ *ia64_rse_skip_regs(krbs, j) = args->args[i];
else
- args->args[i] = *ia64_rse_skip_regs(krbs,
- ndirty + i + args->i);
+ args->args[i] = *ia64_rse_skip_regs(krbs, j);
}
if (!args->rw) {
diff --git a/arch/m68k/include/asm/page_mm.h b/arch/m68k/include/asm/page_mm.h
index 7f5912af2a52..9e8f0cc30a2c 100644
--- a/arch/m68k/include/asm/page_mm.h
+++ b/arch/m68k/include/asm/page_mm.h
@@ -171,7 +171,7 @@ static inline __attribute_const__ int __virt_to_node_shift(void)
#include <asm-generic/memory_model.h>
#endif
-#define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory)
+#define virt_addr_valid(kaddr) ((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory)
#define pfn_valid(pfn) virt_addr_valid(pfn_to_virt(pfn))
#endif /* __ASSEMBLY__ */
diff --git a/arch/m68k/include/asm/page_no.h b/arch/m68k/include/asm/page_no.h
index 6bbe52025de3..8d0f862ee9d7 100644
--- a/arch/m68k/include/asm/page_no.h
+++ b/arch/m68k/include/asm/page_no.h
@@ -30,8 +30,8 @@ extern unsigned long memory_end;
#define page_to_pfn(page) virt_to_pfn(page_to_virt(page))
#define pfn_valid(pfn) ((pfn) < max_mapnr)
-#define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \
- ((void *)(kaddr) < (void *)memory_end))
+#define virt_addr_valid(kaddr) (((unsigned long)(kaddr) >= PAGE_OFFSET) && \
+ ((unsigned long)(kaddr) < memory_end))
#endif /* __ASSEMBLY__ */
diff --git a/arch/mips/boot/compressed/decompress.c b/arch/mips/boot/compressed/decompress.c
index e3946b06e840..3d70d15ada28 100644
--- a/arch/mips/boot/compressed/decompress.c
+++ b/arch/mips/boot/compressed/decompress.c
@@ -14,6 +14,7 @@
#include <asm/addrspace.h>
#include <asm/unaligned.h>
+#include <asm-generic/vmlinux.lds.h>
/*
* These two variables specify the free mem region
@@ -120,6 +121,13 @@ void decompress_kernel(unsigned long boot_heap_start)
/* last four bytes is always image size in little endian */
image_size = get_unaligned_le32((void *)&__image_end - 4);
+ /* The device tree's address must be properly aligned */
+ image_size = ALIGN(image_size, STRUCT_ALIGNMENT);
+
+ puts("Copy device tree to address ");
+ puthex(VMLINUX_LOAD_ADDRESS_ULL + image_size);
+ puts("\n");
+
/* copy dtb to where the booted kernel will expect it */
memcpy((void *)VMLINUX_LOAD_ADDRESS_ULL + image_size,
__appended_dtb, dtb_size);
diff --git a/arch/mips/crypto/Makefile b/arch/mips/crypto/Makefile
index 8e1deaf00e0c..5e4105cccf9f 100644
--- a/arch/mips/crypto/Makefile
+++ b/arch/mips/crypto/Makefile
@@ -12,8 +12,8 @@ AFLAGS_chacha-core.o += -O2 # needed to fill branch delay slots
obj-$(CONFIG_CRYPTO_POLY1305_MIPS) += poly1305-mips.o
poly1305-mips-y := poly1305-core.o poly1305-glue.o
-perlasm-flavour-$(CONFIG_CPU_MIPS32) := o32
-perlasm-flavour-$(CONFIG_CPU_MIPS64) := 64
+perlasm-flavour-$(CONFIG_32BIT) := o32
+perlasm-flavour-$(CONFIG_64BIT) := 64
quiet_cmd_perlasm = PERLASM $@
cmd_perlasm = $(PERL) $(<) $(perlasm-flavour-y) $(@)
diff --git a/arch/mips/include/asm/traps.h b/arch/mips/include/asm/traps.h
index 6aa8f126a43d..b710e76c9c65 100644
--- a/arch/mips/include/asm/traps.h
+++ b/arch/mips/include/asm/traps.h
@@ -24,8 +24,11 @@ extern void (*board_ebase_setup)(void);
extern void (*board_cache_error_setup)(void);
extern int register_nmi_notifier(struct notifier_block *nb);
+extern void reserve_exception_space(phys_addr_t addr, unsigned long size);
extern char except_vec_nmi[];
+#define VECTORSPACING 0x100 /* for EI/VI mode */
+
#define nmi_notifier(fn, pri) \
({ \
static struct notifier_block fn##_nb = { \
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 9a89637b4ecf..b71892064f27 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -26,6 +26,7 @@
#include <asm/elf.h>
#include <asm/pgtable-bits.h>
#include <asm/spram.h>
+#include <asm/traps.h>
#include <linux/uaccess.h>
#include "fpu-probe.h"
@@ -1628,6 +1629,7 @@ static inline void cpu_probe_broadcom(struct cpuinfo_mips *c, unsigned int cpu)
c->cputype = CPU_BMIPS3300;
__cpu_name[cpu] = "Broadcom BMIPS3300";
set_elf_platform(cpu, "bmips3300");
+ reserve_exception_space(0x400, VECTORSPACING * 64);
break;
case PRID_IMP_BMIPS43XX: {
int rev = c->processor_id & PRID_REV_MASK;
@@ -1638,6 +1640,7 @@ static inline void cpu_probe_broadcom(struct cpuinfo_mips *c, unsigned int cpu)
__cpu_name[cpu] = "Broadcom BMIPS4380";
set_elf_platform(cpu, "bmips4380");
c->options |= MIPS_CPU_RIXI;
+ reserve_exception_space(0x400, VECTORSPACING * 64);
} else {
c->cputype = CPU_BMIPS4350;
__cpu_name[cpu] = "Broadcom BMIPS4350";
@@ -1654,6 +1657,7 @@ static inline void cpu_probe_broadcom(struct cpuinfo_mips *c, unsigned int cpu)
__cpu_name[cpu] = "Broadcom BMIPS5000";
set_elf_platform(cpu, "bmips5000");
c->options |= MIPS_CPU_ULRI | MIPS_CPU_RIXI;
+ reserve_exception_space(0x1000, VECTORSPACING * 64);
break;
}
}
@@ -2133,6 +2137,8 @@ void cpu_probe(void)
if (cpu == 0)
__ua_limit = ~((1ull << cpu_vmbits) - 1);
#endif
+
+ reserve_exception_space(0, 0x1000);
}
void cpu_report(void)
diff --git a/arch/mips/kernel/cpu-r3k-probe.c b/arch/mips/kernel/cpu-r3k-probe.c
index abdbbe8c5a43..af654771918c 100644
--- a/arch/mips/kernel/cpu-r3k-probe.c
+++ b/arch/mips/kernel/cpu-r3k-probe.c
@@ -21,6 +21,7 @@
#include <asm/fpu.h>
#include <asm/mipsregs.h>
#include <asm/elf.h>
+#include <asm/traps.h>
#include "fpu-probe.h"
@@ -158,6 +159,8 @@ void cpu_probe(void)
cpu_set_fpu_opts(c);
else
cpu_set_nofpu_opts(c);
+
+ reserve_exception_space(0, 0x400);
}
void cpu_report(void)
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 279be0153f8b..23a140327a0b 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -43,7 +43,7 @@
#include <asm/prom.h>
#ifdef CONFIG_MIPS_ELF_APPENDED_DTB
-const char __section(".appended_dtb") __appended_dtb[0x100000];
+char __section(".appended_dtb") __appended_dtb[0x100000];
#endif /* CONFIG_MIPS_ELF_APPENDED_DTB */
struct cpuinfo_mips cpu_data[NR_CPUS] __read_mostly;
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index e0352958e2f7..808b8b61ded1 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -2009,13 +2009,16 @@ void __noreturn nmi_exception_handler(struct pt_regs *regs)
nmi_exit();
}
-#define VECTORSPACING 0x100 /* for EI/VI mode */
-
unsigned long ebase;
EXPORT_SYMBOL_GPL(ebase);
unsigned long exception_handlers[32];
unsigned long vi_handlers[64];
+void reserve_exception_space(phys_addr_t addr, unsigned long size)
+{
+ memblock_reserve(addr, size);
+}
+
void __init *set_except_vector(int n, void *addr)
{
unsigned long handler = (unsigned long) addr;
@@ -2367,10 +2370,7 @@ void __init trap_init(void)
if (!cpu_has_mips_r2_r6) {
ebase = CAC_BASE;
- ebase_pa = virt_to_phys((void *)ebase);
vec_size = 0x400;
-
- memblock_reserve(ebase_pa, vec_size);
} else {
if (cpu_has_veic || cpu_has_vint)
vec_size = 0x200 + VECTORSPACING*64;
diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S
index c1c345be04ff..1f98947fe715 100644
--- a/arch/mips/kernel/vmlinux.lds.S
+++ b/arch/mips/kernel/vmlinux.lds.S
@@ -145,6 +145,7 @@ SECTIONS
}
#ifdef CONFIG_MIPS_ELF_APPENDED_DTB
+ STRUCT_ALIGN();
.appended_dtb : AT(ADDR(.appended_dtb) - LOAD_OFFSET) {
*(.appended_dtb)
KEEP(*(.appended_dtb))
@@ -172,6 +173,11 @@ SECTIONS
#endif
#ifdef CONFIG_MIPS_RAW_APPENDED_DTB
+ .fill : {
+ FILL(0);
+ BYTE(0);
+ STRUCT_ALIGN();
+ }
__appended_dtb = .;
/* leave space for appended DTB */
. += 0x100000;
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 4e53ac46e857..afc3b8d03572 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -203,9 +203,12 @@ config PREFETCH
def_bool y
depends on PA8X00 || PA7200
+config PARISC_HUGE_KERNEL
+ def_bool y if !MODULES || UBSAN || FTRACE || COMPILE_TEST
+
config MLONGCALLS
- def_bool y if !MODULES || UBSAN || FTRACE
- bool "Enable the -mlong-calls compiler option for big kernels" if MODULES && !UBSAN && !FTRACE
+ def_bool y if PARISC_HUGE_KERNEL
+ bool "Enable the -mlong-calls compiler option for big kernels" if !PARISC_HUGE_KERNEL
depends on PA8X00
help
If you configure the kernel to include many drivers built-in instead
diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c
index 2127974982df..65de6c4c9354 100644
--- a/arch/parisc/kernel/ptrace.c
+++ b/arch/parisc/kernel/ptrace.c
@@ -567,8 +567,6 @@ static const struct user_regset_view user_parisc_native_view = {
};
#ifdef CONFIG_64BIT
-#include <linux/compat.h>
-
static int gpr32_get(struct task_struct *target,
const struct user_regset *regset,
struct membuf to)
diff --git a/arch/powerpc/include/asm/code-patching.h b/arch/powerpc/include/asm/code-patching.h
index eacc9102c251..f1d029bf906e 100644
--- a/arch/powerpc/include/asm/code-patching.h
+++ b/arch/powerpc/include/asm/code-patching.h
@@ -73,9 +73,10 @@ void __patch_exception(int exc, unsigned long addr);
#endif
#define OP_RT_RA_MASK 0xffff0000UL
-#define LIS_R2 0x3c020000UL
-#define ADDIS_R2_R12 0x3c4c0000UL
-#define ADDI_R2_R2 0x38420000UL
+#define LIS_R2 (PPC_INST_ADDIS | __PPC_RT(R2))
+#define ADDIS_R2_R12 (PPC_INST_ADDIS | __PPC_RT(R2) | __PPC_RA(R12))
+#define ADDI_R2_R2 (PPC_INST_ADDI | __PPC_RT(R2) | __PPC_RA(R2))
+
static inline unsigned long ppc_function_entry(void *func)
{
diff --git a/arch/powerpc/include/asm/cpu_has_feature.h b/arch/powerpc/include/asm/cpu_has_feature.h
index 7897d16e0990..727d4b321937 100644
--- a/arch/powerpc/include/asm/cpu_has_feature.h
+++ b/arch/powerpc/include/asm/cpu_has_feature.h
@@ -7,7 +7,7 @@
#include <linux/bug.h>
#include <asm/cputable.h>
-static inline bool early_cpu_has_feature(unsigned long feature)
+static __always_inline bool early_cpu_has_feature(unsigned long feature)
{
return !!((CPU_FTRS_ALWAYS & feature) ||
(CPU_FTRS_POSSIBLE & cur_cpu_spec->cpu_features & feature));
@@ -46,7 +46,7 @@ static __always_inline bool cpu_has_feature(unsigned long feature)
return static_branch_likely(&cpu_feature_keys[i]);
}
#else
-static inline bool cpu_has_feature(unsigned long feature)
+static __always_inline bool cpu_has_feature(unsigned long feature)
{
return early_cpu_has_feature(feature);
}
diff --git a/arch/powerpc/include/asm/dcr-native.h b/arch/powerpc/include/asm/dcr-native.h
index 7141ccea8c94..a92059964579 100644
--- a/arch/powerpc/include/asm/dcr-native.h
+++ b/arch/powerpc/include/asm/dcr-native.h
@@ -53,8 +53,8 @@ static inline void mtdcrx(unsigned int reg, unsigned int val)
#define mfdcr(rn) \
({unsigned int rval; \
if (__builtin_constant_p(rn) && rn < 1024) \
- asm volatile("mfdcr %0," __stringify(rn) \
- : "=r" (rval)); \
+ asm volatile("mfdcr %0, %1" : "=r" (rval) \
+ : "n" (rn)); \
else if (likely(cpu_has_feature(CPU_FTR_INDEXED_DCR))) \
rval = mfdcrx(rn); \
else \
@@ -64,8 +64,8 @@ static inline void mtdcrx(unsigned int reg, unsigned int val)
#define mtdcr(rn, v) \
do { \
if (__builtin_constant_p(rn) && rn < 1024) \
- asm volatile("mtdcr " __stringify(rn) ",%0" \
- : : "r" (v)); \
+ asm volatile("mtdcr %0, %1" \
+ : : "n" (rn), "r" (v)); \
else if (likely(cpu_has_feature(CPU_FTR_INDEXED_DCR))) \
mtdcrx(rn, v); \
else \
diff --git a/arch/powerpc/include/asm/interrupt.h b/arch/powerpc/include/asm/interrupt.h
index aedfba29e43a..e8d09a841373 100644
--- a/arch/powerpc/include/asm/interrupt.h
+++ b/arch/powerpc/include/asm/interrupt.h
@@ -410,7 +410,6 @@ DECLARE_INTERRUPT_HANDLER(altivec_assist_exception);
DECLARE_INTERRUPT_HANDLER(CacheLockingException);
DECLARE_INTERRUPT_HANDLER(SPEFloatingPointException);
DECLARE_INTERRUPT_HANDLER(SPEFloatingPointRoundException);
-DECLARE_INTERRUPT_HANDLER(unrecoverable_exception);
DECLARE_INTERRUPT_HANDLER(WatchdogException);
DECLARE_INTERRUPT_HANDLER(kernel_bad_stack);
@@ -437,6 +436,8 @@ DECLARE_INTERRUPT_HANDLER_NMI(hmi_exception_realmode);
DECLARE_INTERRUPT_HANDLER_ASYNC(TAUException);
+void unrecoverable_exception(struct pt_regs *regs);
+
void replay_system_reset(void);
void replay_soft_interrupts(void);
diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h
index 80b27f5d9648..607168b1aef4 100644
--- a/arch/powerpc/include/asm/mmu.h
+++ b/arch/powerpc/include/asm/mmu.h
@@ -228,7 +228,7 @@ enum {
#define MMU_FTRS_ALWAYS 0
#endif
-static inline bool early_mmu_has_feature(unsigned long feature)
+static __always_inline bool early_mmu_has_feature(unsigned long feature)
{
if (MMU_FTRS_ALWAYS & feature)
return true;
@@ -286,7 +286,7 @@ static inline void mmu_feature_keys_init(void)
}
-static inline bool mmu_has_feature(unsigned long feature)
+static __always_inline bool mmu_has_feature(unsigned long feature)
{
return early_mmu_has_feature(feature);
}
diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h
index 975ba260006a..1499e928ea6a 100644
--- a/arch/powerpc/include/asm/ptrace.h
+++ b/arch/powerpc/include/asm/ptrace.h
@@ -195,7 +195,7 @@ static inline void regs_set_return_value(struct pt_regs *regs, unsigned long rc)
#define TRAP_FLAGS_MASK 0x11
#define TRAP(regs) ((regs)->trap & ~TRAP_FLAGS_MASK)
#define FULL_REGS(regs) (((regs)->trap & 1) == 0)
-#define SET_FULL_REGS(regs) ((regs)->trap |= 1)
+#define SET_FULL_REGS(regs) ((regs)->trap &= ~1)
#endif
#define CHECK_FULL_REGS(regs) BUG_ON(!FULL_REGS(regs))
#define NV_REG_POISON 0xdeadbeefdeadbeefUL
@@ -210,7 +210,7 @@ static inline void regs_set_return_value(struct pt_regs *regs, unsigned long rc)
#define TRAP_FLAGS_MASK 0x1F
#define TRAP(regs) ((regs)->trap & ~TRAP_FLAGS_MASK)
#define FULL_REGS(regs) (((regs)->trap & 1) == 0)
-#define SET_FULL_REGS(regs) ((regs)->trap |= 1)
+#define SET_FULL_REGS(regs) ((regs)->trap &= ~1)
#define IS_CRITICAL_EXC(regs) (((regs)->trap & 2) != 0)
#define IS_MCHECK_EXC(regs) (((regs)->trap & 4) != 0)
#define IS_DEBUG_EXC(regs) (((regs)->trap & 8) != 0)
diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h
index fdab93428372..9d1fbd8be1c7 100644
--- a/arch/powerpc/include/asm/switch_to.h
+++ b/arch/powerpc/include/asm/switch_to.h
@@ -71,6 +71,16 @@ static inline void disable_kernel_vsx(void)
{
msr_check_and_clear(MSR_FP|MSR_VEC|MSR_VSX);
}
+#else
+static inline void enable_kernel_vsx(void)
+{
+ BUILD_BUG();
+}
+
+static inline void disable_kernel_vsx(void)
+{
+ BUILD_BUG();
+}
#endif
#ifdef CONFIG_SPE
diff --git a/arch/powerpc/include/asm/vio.h b/arch/powerpc/include/asm/vio.h
index 0cf52746531b..721c0d6715ac 100644
--- a/arch/powerpc/include/asm/vio.h
+++ b/arch/powerpc/include/asm/vio.h
@@ -113,7 +113,7 @@ struct vio_driver {
const char *name;
const struct vio_device_id *id_table;
int (*probe)(struct vio_dev *dev, const struct vio_device_id *id);
- int (*remove)(struct vio_dev *dev);
+ void (*remove)(struct vio_dev *dev);
/* A driver must have a get_desired_dma() function to
* be loaded in a CMO environment if it uses DMA.
*/
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 60d3051a8bc8..8082b690e874 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -466,7 +466,7 @@ DEFINE_FIXED_SYMBOL(\name\()_common_real)
ld r10,PACAKMSR(r13) /* get MSR value for kernel */
/* MSR[RI] is clear iff using SRR regs */
- .if IHSRR == EXC_HV_OR_STD
+ .if IHSRR_IF_HVMODE
BEGIN_FTR_SECTION
xori r10,r10,MSR_RI
END_FTR_SECTION_IFCLR(CPU_FTR_HVMODE)
diff --git a/arch/powerpc/kernel/head_book3s_32.S b/arch/powerpc/kernel/head_book3s_32.S
index 727fdab557c9..565e84e20a72 100644
--- a/arch/powerpc/kernel/head_book3s_32.S
+++ b/arch/powerpc/kernel/head_book3s_32.S
@@ -457,11 +457,12 @@ InstructionTLBMiss:
cmplw 0,r1,r3
#endif
mfspr r2, SPRN_SDR1
- li r1,_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_EXEC
+ li r1,_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_EXEC | _PAGE_USER
rlwinm r2, r2, 28, 0xfffff000
#ifdef CONFIG_MODULES
bgt- 112f
lis r2, (swapper_pg_dir - PAGE_OFFSET)@ha /* if kernel address, use */
+ li r1,_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_EXEC
addi r2, r2, (swapper_pg_dir - PAGE_OFFSET)@l /* kernel page table */
#endif
112: rlwimi r2,r3,12,20,29 /* insert top 10 bits of address */
@@ -520,10 +521,11 @@ DataLoadTLBMiss:
lis r1, TASK_SIZE@h /* check if kernel address */
cmplw 0,r1,r3
mfspr r2, SPRN_SDR1
- li r1, _PAGE_PRESENT | _PAGE_ACCESSED
+ li r1, _PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_USER
rlwinm r2, r2, 28, 0xfffff000
bgt- 112f
lis r2, (swapper_pg_dir - PAGE_OFFSET)@ha /* if kernel address, use */
+ li r1, _PAGE_PRESENT | _PAGE_ACCESSED
addi r2, r2, (swapper_pg_dir - PAGE_OFFSET)@l /* kernel page table */
112: rlwimi r2,r3,12,20,29 /* insert top 10 bits of address */
lwz r2,0(r2) /* get pmd entry */
@@ -597,10 +599,11 @@ DataStoreTLBMiss:
lis r1, TASK_SIZE@h /* check if kernel address */
cmplw 0,r1,r3
mfspr r2, SPRN_SDR1
- li r1, _PAGE_RW | _PAGE_DIRTY | _PAGE_PRESENT | _PAGE_ACCESSED
+ li r1, _PAGE_RW | _PAGE_DIRTY | _PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_USER
rlwinm r2, r2, 28, 0xfffff000
bgt- 112f
lis r2, (swapper_pg_dir - PAGE_OFFSET)@ha /* if kernel address, use */
+ li r1, _PAGE_RW | _PAGE_DIRTY | _PAGE_PRESENT | _PAGE_ACCESSED
addi r2, r2, (swapper_pg_dir - PAGE_OFFSET)@l /* kernel page table */
112: rlwimi r2,r3,12,20,29 /* insert top 10 bits of address */
lwz r2,0(r2) /* get pmd entry */
diff --git a/arch/powerpc/kernel/interrupt.c b/arch/powerpc/kernel/interrupt.c
index 398cd86b6ada..c475a229a42a 100644
--- a/arch/powerpc/kernel/interrupt.c
+++ b/arch/powerpc/kernel/interrupt.c
@@ -149,7 +149,7 @@ notrace long system_call_exception(long r3, long r4, long r5,
* enabled when the interrupt handler returns (indicating a process-context /
* synchronous interrupt) then irqs_enabled should be true.
*/
-static notrace inline bool __prep_irq_for_enabled_exit(bool clear_ri)
+static notrace __always_inline bool __prep_irq_for_enabled_exit(bool clear_ri)
{
/* This must be done with RI=1 because tracing may touch vmaps */
trace_hardirqs_on();
@@ -436,7 +436,6 @@ again:
return ret;
}
-void unrecoverable_exception(struct pt_regs *regs);
void preempt_schedule_irq(void);
notrace unsigned long interrupt_exit_kernel_prepare(struct pt_regs *regs, unsigned long msr)
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 1583fd1c6010..a44a30b0688c 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -2170,7 +2170,7 @@ DEFINE_INTERRUPT_HANDLER(SPEFloatingPointRoundException)
* in the MSR is 0. This indicates that SRR0/1 are live, and that
* we therefore lost state by taking this exception.
*/
-DEFINE_INTERRUPT_HANDLER(unrecoverable_exception)
+void unrecoverable_exception(struct pt_regs *regs)
{
pr_emerg("Unrecoverable exception %lx at %lx (msr=%lx)\n",
regs->trap, regs->nip, regs->msr);
diff --git a/arch/powerpc/kernel/vdso32/gettimeofday.S b/arch/powerpc/kernel/vdso32/gettimeofday.S
index a6e29f880e0e..d21d08140a5e 100644
--- a/arch/powerpc/kernel/vdso32/gettimeofday.S
+++ b/arch/powerpc/kernel/vdso32/gettimeofday.S
@@ -65,3 +65,14 @@ V_FUNCTION_END(__kernel_clock_getres)
V_FUNCTION_BEGIN(__kernel_time)
cvdso_call_time __c_kernel_time
V_FUNCTION_END(__kernel_time)
+
+/* Routines for restoring integer registers, called by the compiler. */
+/* Called with r11 pointing to the stack header word of the caller of the */
+/* function, just beyond the end of the integer restore area. */
+_GLOBAL(_restgpr_31_x)
+_GLOBAL(_rest32gpr_31_x)
+ lwz r0,4(r11)
+ lwz r31,-4(r11)
+ mtlr r0
+ mr r1,r11
+ blr
diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c
index bb5c20d4ca91..c6aebc149d14 100644
--- a/arch/powerpc/lib/sstep.c
+++ b/arch/powerpc/lib/sstep.c
@@ -904,7 +904,7 @@ static nokprobe_inline int do_vsx_load(struct instruction_op *op,
if (!address_ok(regs, ea, size) || copy_mem_in(mem, ea, size, regs))
return -EFAULT;
- nr_vsx_regs = size / sizeof(__vector128);
+ nr_vsx_regs = max(1ul, size / sizeof(__vector128));
emulate_vsx_load(op, buf, mem, cross_endian);
preempt_disable();
if (reg < 32) {
@@ -951,7 +951,7 @@ static nokprobe_inline int do_vsx_store(struct instruction_op *op,
if (!address_ok(regs, ea, size))
return -EFAULT;
- nr_vsx_regs = size / sizeof(__vector128);
+ nr_vsx_regs = max(1ul, size / sizeof(__vector128));
preempt_disable();
if (reg < 32) {
/* FP regs + extensions */
diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c
index 6817331e22ff..766f064f00fb 100644
--- a/arch/powerpc/perf/core-book3s.c
+++ b/arch/powerpc/perf/core-book3s.c
@@ -222,7 +222,7 @@ static inline void perf_get_data_addr(struct perf_event *event, struct pt_regs *
if (!(mmcra & MMCRA_SAMPLE_ENABLE) || sdar_valid)
*addrp = mfspr(SPRN_SDAR);
- if (is_kernel_addr(mfspr(SPRN_SDAR)) && perf_allow_kernel(&event->attr) != 0)
+ if (is_kernel_addr(mfspr(SPRN_SDAR)) && event->attr.exclude_kernel)
*addrp = 0;
}
@@ -507,7 +507,7 @@ static void power_pmu_bhrb_read(struct perf_event *event, struct cpu_hw_events *
* addresses, hence include a check before filtering code
*/
if (!(ppmu->flags & PPMU_ARCH_31) &&
- is_kernel_addr(addr) && perf_allow_kernel(&event->attr) != 0)
+ is_kernel_addr(addr) && event->attr.exclude_kernel)
continue;
/* Branches are read most recent first (ie. mfbhrb 0 is
diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c
index b3ac2455faad..637300330507 100644
--- a/arch/powerpc/platforms/pseries/msi.c
+++ b/arch/powerpc/platforms/pseries/msi.c
@@ -4,6 +4,7 @@
* Copyright 2006-2007 Michael Ellerman, IBM Corp.
*/
+#include <linux/crash_dump.h>
#include <linux/device.h>
#include <linux/irq.h>
#include <linux/msi.h>
@@ -458,8 +459,28 @@ again:
return hwirq;
}
- virq = irq_create_mapping_affinity(NULL, hwirq,
- entry->affinity);
+ /*
+ * Depending on the number of online CPUs in the original
+ * kernel, it is likely for CPU #0 to be offline in a kdump
+ * kernel. The associated IRQs in the affinity mappings
+ * provided by irq_create_affinity_masks() are thus not
+ * started by irq_startup(), as per-design for managed IRQs.
+ * This can be a problem with multi-queue block devices driven
+ * by blk-mq : such a non-started IRQ is very likely paired
+ * with the single queue enforced by blk-mq during kdump (see
+ * blk_mq_alloc_tag_set()). This causes the device to remain
+ * silent and likely hangs the guest at some point.
+ *
+ * We don't really care for fine-grained affinity when doing
+ * kdump actually : simply ignore the pre-computed affinity
+ * masks in this case and let the default mask with all CPUs
+ * be used when creating the IRQ mappings.
+ */
+ if (is_kdump_kernel())
+ virq = irq_create_mapping(NULL, hwirq);
+ else
+ virq = irq_create_mapping_affinity(NULL, hwirq,
+ entry->affinity);
if (!virq) {
pr_debug("rtas_msi: Failed mapping hwirq %d\n", hwirq);
diff --git a/arch/powerpc/platforms/pseries/vio.c b/arch/powerpc/platforms/pseries/vio.c
index b2797cfe4e2b..9cb4fc839fd5 100644
--- a/arch/powerpc/platforms/pseries/vio.c
+++ b/arch/powerpc/platforms/pseries/vio.c
@@ -1261,7 +1261,6 @@ static int vio_bus_remove(struct device *dev)
struct vio_dev *viodev = to_vio_dev(dev);
struct vio_driver *viodrv = to_vio_driver(dev->driver);
struct device *devptr;
- int ret = 1;
/*
* Hold a reference to the device after the remove function is called
@@ -1270,13 +1269,13 @@ static int vio_bus_remove(struct device *dev)
devptr = get_device(dev);
if (viodrv->remove)
- ret = viodrv->remove(viodev);
+ viodrv->remove(viodev);
- if (!ret && firmware_has_feature(FW_FEATURE_CMO))
+ if (firmware_has_feature(FW_FEATURE_CMO))
vio_cmo_bus_remove(viodev);
put_device(devptr);
- return ret;
+ return 0;
}
/**
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 85d626b8ce5e..87d7b52f278f 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -93,7 +93,6 @@ config RISCV
select PCI_MSI if PCI
select RISCV_INTC
select RISCV_TIMER if RISCV_SBI
- select SPARSEMEM_STATIC if 32BIT
select SPARSE_IRQ
select SYSCTL_EXCEPTION_TRACE
select THREAD_INFO_IN_TASK
@@ -154,7 +153,8 @@ config ARCH_FLATMEM_ENABLE
config ARCH_SPARSEMEM_ENABLE
def_bool y
depends on MMU
- select SPARSEMEM_VMEMMAP_ENABLE
+ select SPARSEMEM_STATIC if 32BIT && SPARSMEM
+ select SPARSEMEM_VMEMMAP_ENABLE if 64BIT
config ARCH_SELECT_MEMORY_MODEL
def_bool ARCH_SPARSEMEM_ENABLE
diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs
index 7efcece8896c..e1b2690b6e45 100644
--- a/arch/riscv/Kconfig.socs
+++ b/arch/riscv/Kconfig.socs
@@ -31,6 +31,8 @@ config SOC_CANAAN
select SIFIVE_PLIC
select ARCH_HAS_RESET_CONTROLLER
select PINCTRL
+ select COMMON_CLK
+ select COMMON_CLK_K210
help
This enables support for Canaan Kendryte K210 SoC platform hardware.
diff --git a/arch/riscv/include/asm/asm-prototypes.h b/arch/riscv/include/asm/asm-prototypes.h
index 27e005fca584..2a652b0c987d 100644
--- a/arch/riscv/include/asm/asm-prototypes.h
+++ b/arch/riscv/include/asm/asm-prototypes.h
@@ -9,4 +9,20 @@ long long __lshrti3(long long a, int b);
long long __ashrti3(long long a, int b);
long long __ashlti3(long long a, int b);
+
+#define DECLARE_DO_ERROR_INFO(name) asmlinkage void name(struct pt_regs *regs)
+
+DECLARE_DO_ERROR_INFO(do_trap_unknown);
+DECLARE_DO_ERROR_INFO(do_trap_insn_misaligned);
+DECLARE_DO_ERROR_INFO(do_trap_insn_fault);
+DECLARE_DO_ERROR_INFO(do_trap_insn_illegal);
+DECLARE_DO_ERROR_INFO(do_trap_load_fault);
+DECLARE_DO_ERROR_INFO(do_trap_load_misaligned);
+DECLARE_DO_ERROR_INFO(do_trap_store_misaligned);
+DECLARE_DO_ERROR_INFO(do_trap_store_fault);
+DECLARE_DO_ERROR_INFO(do_trap_ecall_u);
+DECLARE_DO_ERROR_INFO(do_trap_ecall_s);
+DECLARE_DO_ERROR_INFO(do_trap_ecall_m);
+DECLARE_DO_ERROR_INFO(do_trap_break);
+
#endif /* _ASM_RISCV_PROTOTYPES_H */
diff --git a/arch/riscv/include/asm/irq.h b/arch/riscv/include/asm/irq.h
index 9807ad164015..e4c435509983 100644
--- a/arch/riscv/include/asm/irq.h
+++ b/arch/riscv/include/asm/irq.h
@@ -12,4 +12,6 @@
#include <asm-generic/irq.h>
+extern void __init init_IRQ(void);
+
#endif /* _ASM_RISCV_IRQ_H */
diff --git a/arch/riscv/include/asm/processor.h b/arch/riscv/include/asm/processor.h
index 3a240037bde2..021ed64ee608 100644
--- a/arch/riscv/include/asm/processor.h
+++ b/arch/riscv/include/asm/processor.h
@@ -71,6 +71,7 @@ int riscv_of_processor_hartid(struct device_node *node);
int riscv_of_parent_hartid(struct device_node *node);
extern void riscv_fill_hwcap(void);
+extern int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src);
#endif /* __ASSEMBLY__ */
diff --git a/arch/riscv/include/asm/ptrace.h b/arch/riscv/include/asm/ptrace.h
index cb4abb639e8d..09ad4e923510 100644
--- a/arch/riscv/include/asm/ptrace.h
+++ b/arch/riscv/include/asm/ptrace.h
@@ -119,6 +119,11 @@ extern int regs_query_register_offset(const char *name);
extern unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs,
unsigned int n);
+void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr,
+ unsigned long frame_pointer);
+int do_syscall_trace_enter(struct pt_regs *regs);
+void do_syscall_trace_exit(struct pt_regs *regs);
+
/**
* regs_get_register() - get register value from its offset
* @regs: pt_regs from which register value is gotten
diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h
index 99895d9c3bdd..d7027411dde8 100644
--- a/arch/riscv/include/asm/sbi.h
+++ b/arch/riscv/include/asm/sbi.h
@@ -51,10 +51,10 @@ enum sbi_ext_rfence_fid {
SBI_EXT_RFENCE_REMOTE_FENCE_I = 0,
SBI_EXT_RFENCE_REMOTE_SFENCE_VMA,
SBI_EXT_RFENCE_REMOTE_SFENCE_VMA_ASID,
- SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA,
SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA_VMID,
- SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA,
+ SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA,
SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA_ASID,
+ SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA,
};
enum sbi_ext_hsm_fid {
diff --git a/arch/riscv/include/asm/timex.h b/arch/riscv/include/asm/timex.h
index 81de51e6aa32..507cae273bc6 100644
--- a/arch/riscv/include/asm/timex.h
+++ b/arch/riscv/include/asm/timex.h
@@ -88,4 +88,6 @@ static inline int read_current_timer(unsigned long *timer_val)
return 0;
}
+extern void time_init(void);
+
#endif /* _ASM_RISCV_TIMEX_H */
diff --git a/arch/riscv/kernel/Makefile b/arch/riscv/kernel/Makefile
index 3dc0abde988a..647a47f5484a 100644
--- a/arch/riscv/kernel/Makefile
+++ b/arch/riscv/kernel/Makefile
@@ -8,6 +8,7 @@ CFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_patch.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_sbi.o = $(CC_FLAGS_FTRACE)
endif
+CFLAGS_syscall_table.o += $(call cc-option,-Wno-override-init,)
extra-y += head.o
extra-y += vmlinux.lds
diff --git a/arch/riscv/kernel/probes/ftrace.c b/arch/riscv/kernel/probes/ftrace.c
index e6372490aa0b..17ca5e923bb0 100644
--- a/arch/riscv/kernel/probes/ftrace.c
+++ b/arch/riscv/kernel/probes/ftrace.c
@@ -2,39 +2,41 @@
#include <linux/kprobes.h>
-/* Ftrace callback handler for kprobes -- called under preepmt disabed */
+/* Ftrace callback handler for kprobes -- called under preepmt disabled */
void kprobe_ftrace_handler(unsigned long ip, unsigned long parent_ip,
- struct ftrace_ops *ops, struct ftrace_regs *regs)
+ struct ftrace_ops *ops, struct ftrace_regs *fregs)
{
struct kprobe *p;
+ struct pt_regs *regs;
struct kprobe_ctlblk *kcb;
p = get_kprobe((kprobe_opcode_t *)ip);
if (unlikely(!p) || kprobe_disabled(p))
return;
+ regs = ftrace_get_regs(fregs);
kcb = get_kprobe_ctlblk();
if (kprobe_running()) {
kprobes_inc_nmissed_count(p);
} else {
- unsigned long orig_ip = instruction_pointer(&(regs->regs));
+ unsigned long orig_ip = instruction_pointer(regs);
- instruction_pointer_set(&(regs->regs), ip);
+ instruction_pointer_set(regs, ip);
__this_cpu_write(current_kprobe, p);
kcb->kprobe_status = KPROBE_HIT_ACTIVE;
- if (!p->pre_handler || !p->pre_handler(p, &(regs->regs))) {
+ if (!p->pre_handler || !p->pre_handler(p, regs)) {
/*
* Emulate singlestep (and also recover regs->pc)
* as if there is a nop
*/
- instruction_pointer_set(&(regs->regs),
+ instruction_pointer_set(regs,
(unsigned long)p->addr + MCOUNT_INSN_SIZE);
if (unlikely(p->post_handler)) {
kcb->kprobe_status = KPROBE_HIT_SSDONE;
- p->post_handler(p, &(regs->regs), 0);
+ p->post_handler(p, regs, 0);
}
- instruction_pointer_set(&(regs->regs), orig_ip);
+ instruction_pointer_set(regs, orig_ip);
}
/*
diff --git a/arch/riscv/kernel/probes/kprobes.c b/arch/riscv/kernel/probes/kprobes.c
index a2ec18662fee..7e2c78e2ca6b 100644
--- a/arch/riscv/kernel/probes/kprobes.c
+++ b/arch/riscv/kernel/probes/kprobes.c
@@ -256,8 +256,7 @@ int __kprobes kprobe_fault_handler(struct pt_regs *regs, unsigned int trapnr)
* normal page fault.
*/
regs->epc = (unsigned long) cur->addr;
- if (!instruction_pointer(regs))
- BUG();
+ BUG_ON(!instruction_pointer(regs));
if (kcb->kprobe_status == KPROBE_REENTER)
restore_previous_kprobe(kcb);
diff --git a/arch/riscv/kernel/process.c b/arch/riscv/kernel/process.c
index 6f728e731bed..f9cd57c9c67d 100644
--- a/arch/riscv/kernel/process.c
+++ b/arch/riscv/kernel/process.c
@@ -10,6 +10,7 @@
#include <linux/cpu.h>
#include <linux/kernel.h>
#include <linux/sched.h>
+#include <linux/sched/debug.h>
#include <linux/sched/task_stack.h>
#include <linux/tick.h>
#include <linux/ptrace.h>
diff --git a/arch/riscv/kernel/sbi.c b/arch/riscv/kernel/sbi.c
index f4a7db3d309e..d3bf756321a5 100644
--- a/arch/riscv/kernel/sbi.c
+++ b/arch/riscv/kernel/sbi.c
@@ -116,7 +116,7 @@ void sbi_clear_ipi(void)
EXPORT_SYMBOL(sbi_clear_ipi);
/**
- * sbi_set_timer_v01() - Program the timer for next timer event.
+ * __sbi_set_timer_v01() - Program the timer for next timer event.
* @stime_value: The value after which next timer event should fire.
*
* Return: None
diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c
index e85bacff1b50..f8f15332caa2 100644
--- a/arch/riscv/kernel/setup.c
+++ b/arch/riscv/kernel/setup.c
@@ -147,7 +147,8 @@ static void __init init_resources(void)
bss_res.end = __pa_symbol(__bss_stop) - 1;
bss_res.flags = IORESOURCE_SYSTEM_RAM | IORESOURCE_BUSY;
- mem_res_sz = (memblock.memory.cnt + memblock.reserved.cnt) * sizeof(*mem_res);
+ /* + 1 as memblock_alloc() might increase memblock.reserved.cnt */
+ mem_res_sz = (memblock.memory.cnt + memblock.reserved.cnt + 1) * sizeof(*mem_res);
mem_res = memblock_alloc(mem_res_sz, SMP_CACHE_BYTES);
if (!mem_res)
panic("%s: Failed to allocate %zu bytes\n", __func__, mem_res_sz);
diff --git a/arch/riscv/kernel/time.c b/arch/riscv/kernel/time.c
index 8a5cf99c0776..1b432264f7ef 100644
--- a/arch/riscv/kernel/time.c
+++ b/arch/riscv/kernel/time.c
@@ -9,6 +9,7 @@
#include <linux/delay.h>
#include <asm/sbi.h>
#include <asm/processor.h>
+#include <asm/timex.h>
unsigned long riscv_timebase;
EXPORT_SYMBOL_GPL(riscv_timebase);
diff --git a/arch/riscv/kernel/traps.c b/arch/riscv/kernel/traps.c
index 3ed2c23601a0..0879b5df11b9 100644
--- a/arch/riscv/kernel/traps.c
+++ b/arch/riscv/kernel/traps.c
@@ -17,6 +17,7 @@
#include <linux/module.h>
#include <linux/irq.h>
+#include <asm/asm-prototypes.h>
#include <asm/bug.h>
#include <asm/processor.h>
#include <asm/ptrace.h>
diff --git a/arch/riscv/mm/kasan_init.c b/arch/riscv/mm/kasan_init.c
index 3fc18f469efb..4f85c6d0ddf8 100644
--- a/arch/riscv/mm/kasan_init.c
+++ b/arch/riscv/mm/kasan_init.c
@@ -155,7 +155,7 @@ static void __init kasan_populate(void *start, void *end)
memset(start, KASAN_SHADOW_INIT, end - start);
}
-void __init kasan_shallow_populate(void *start, void *end)
+static void __init kasan_shallow_populate(void *start, void *end)
{
unsigned long vaddr = (unsigned long)start & PAGE_MASK;
unsigned long vend = PAGE_ALIGN((unsigned long)end);
@@ -187,6 +187,8 @@ void __init kasan_shallow_populate(void *start, void *end)
}
vaddr += PAGE_SIZE;
}
+
+ local_flush_tlb_all();
}
void __init kasan_init(void)
diff --git a/arch/s390/configs/debug_defconfig b/arch/s390/configs/debug_defconfig
index 02056b024091..dc0b69058ac4 100644
--- a/arch/s390/configs/debug_defconfig
+++ b/arch/s390/configs/debug_defconfig
@@ -275,9 +275,9 @@ CONFIG_IP_VS_DH=m
CONFIG_IP_VS_SH=m
CONFIG_IP_VS_SED=m
CONFIG_IP_VS_NQ=m
+CONFIG_IP_VS_TWOS=m
CONFIG_IP_VS_FTP=m
CONFIG_IP_VS_PE_SIP=m
-CONFIG_NF_TABLES_IPV4=y
CONFIG_NFT_FIB_IPV4=m
CONFIG_NF_TABLES_ARP=y
CONFIG_IP_NF_IPTABLES=m
@@ -298,7 +298,6 @@ CONFIG_IP_NF_SECURITY=m
CONFIG_IP_NF_ARPTABLES=m
CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
-CONFIG_NF_TABLES_IPV6=y
CONFIG_NFT_FIB_IPV6=m
CONFIG_IP6_NF_IPTABLES=m
CONFIG_IP6_NF_MATCH_AH=m
@@ -481,7 +480,6 @@ CONFIG_NLMON=m
# CONFIG_NET_VENDOR_AQUANTIA is not set
# CONFIG_NET_VENDOR_ARC is not set
# CONFIG_NET_VENDOR_ATHEROS is not set
-# CONFIG_NET_VENDOR_AURORA is not set
# CONFIG_NET_VENDOR_BROADCOM is not set
# CONFIG_NET_VENDOR_BROCADE is not set
# CONFIG_NET_VENDOR_CADENCE is not set
@@ -581,7 +579,6 @@ CONFIG_VIRTIO_BALLOON=m
CONFIG_VIRTIO_INPUT=y
CONFIG_VHOST_NET=m
CONFIG_VHOST_VSOCK=m
-# CONFIG_SURFACE_PLATFORMS is not set
CONFIG_S390_CCW_IOMMU=y
CONFIG_S390_AP_IOMMU=y
CONFIG_EXT4_FS=y
@@ -635,6 +632,7 @@ CONFIG_NTFS_RW=y
CONFIG_PROC_KCORE=y
CONFIG_TMPFS=y
CONFIG_TMPFS_POSIX_ACL=y
+CONFIG_TMPFS_INODE64=y
CONFIG_HUGETLBFS=y
CONFIG_CONFIGFS_FS=m
CONFIG_ECRYPT_FS=m
@@ -714,12 +712,8 @@ CONFIG_CRYPTO_VMAC=m
CONFIG_CRYPTO_CRC32=m
CONFIG_CRYPTO_BLAKE2S=m
CONFIG_CRYPTO_MICHAEL_MIC=m
-CONFIG_CRYPTO_RMD128=m
CONFIG_CRYPTO_RMD160=m
-CONFIG_CRYPTO_RMD256=m
-CONFIG_CRYPTO_RMD320=m
CONFIG_CRYPTO_SHA3=m
-CONFIG_CRYPTO_TGR192=m
CONFIG_CRYPTO_WP512=m
CONFIG_CRYPTO_AES_TI=m
CONFIG_CRYPTO_ANUBIS=m
@@ -731,7 +725,6 @@ CONFIG_CRYPTO_CAST6=m
CONFIG_CRYPTO_DES=m
CONFIG_CRYPTO_FCRYPT=m
CONFIG_CRYPTO_KHAZAD=m
-CONFIG_CRYPTO_SALSA20=m
CONFIG_CRYPTO_SEED=m
CONFIG_CRYPTO_SERPENT=m
CONFIG_CRYPTO_SM4=m
@@ -796,12 +789,9 @@ CONFIG_DEBUG_OBJECTS_RCU_HEAD=y
CONFIG_DEBUG_OBJECTS_PERCPU_COUNTER=y
CONFIG_SLUB_DEBUG_ON=y
CONFIG_SLUB_STATS=y
-CONFIG_DEBUG_KMEMLEAK=y
-CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF=y
CONFIG_DEBUG_STACK_USAGE=y
CONFIG_DEBUG_VM=y
CONFIG_DEBUG_VM_VMACACHE=y
-CONFIG_DEBUG_VM_RB=y
CONFIG_DEBUG_VM_PGFLAGS=y
CONFIG_DEBUG_MEMORY_INIT=y
CONFIG_MEMORY_NOTIFIER_ERROR_INJECT=m
@@ -838,6 +828,7 @@ CONFIG_BPF_KPROBE_OVERRIDE=y
CONFIG_HIST_TRIGGERS=y
CONFIG_FTRACE_STARTUP_TEST=y
# CONFIG_EVENT_TRACE_STARTUP_TEST is not set
+CONFIG_DEBUG_ENTRY=y
CONFIG_NOTIFIER_ERROR_INJECTION=m
CONFIG_NETDEV_NOTIFIER_ERROR_INJECT=m
CONFIG_FAULT_INJECTION=y
@@ -861,4 +852,3 @@ CONFIG_PERCPU_TEST=m
CONFIG_ATOMIC64_SELFTEST=y
CONFIG_TEST_BITOPS=m
CONFIG_TEST_BPF=m
-CONFIG_DEBUG_ENTRY=y
diff --git a/arch/s390/configs/defconfig b/arch/s390/configs/defconfig
index bac721a501da..320379da96d9 100644
--- a/arch/s390/configs/defconfig
+++ b/arch/s390/configs/defconfig
@@ -266,9 +266,9 @@ CONFIG_IP_VS_DH=m
CONFIG_IP_VS_SH=m
CONFIG_IP_VS_SED=m
CONFIG_IP_VS_NQ=m
+CONFIG_IP_VS_TWOS=m
CONFIG_IP_VS_FTP=m
CONFIG_IP_VS_PE_SIP=m
-CONFIG_NF_TABLES_IPV4=y
CONFIG_NFT_FIB_IPV4=m
CONFIG_NF_TABLES_ARP=y
CONFIG_IP_NF_IPTABLES=m
@@ -289,7 +289,6 @@ CONFIG_IP_NF_SECURITY=m
CONFIG_IP_NF_ARPTABLES=m
CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
-CONFIG_NF_TABLES_IPV6=y
CONFIG_NFT_FIB_IPV6=m
CONFIG_IP6_NF_IPTABLES=m
CONFIG_IP6_NF_MATCH_AH=m
@@ -473,7 +472,6 @@ CONFIG_NLMON=m
# CONFIG_NET_VENDOR_AQUANTIA is not set
# CONFIG_NET_VENDOR_ARC is not set
# CONFIG_NET_VENDOR_ATHEROS is not set
-# CONFIG_NET_VENDOR_AURORA is not set
# CONFIG_NET_VENDOR_BROADCOM is not set
# CONFIG_NET_VENDOR_BROCADE is not set
# CONFIG_NET_VENDOR_CADENCE is not set
@@ -573,7 +571,6 @@ CONFIG_VIRTIO_BALLOON=m
CONFIG_VIRTIO_INPUT=y
CONFIG_VHOST_NET=m
CONFIG_VHOST_VSOCK=m
-# CONFIG_SURFACE_PLATFORMS is not set
CONFIG_S390_CCW_IOMMU=y
CONFIG_S390_AP_IOMMU=y
CONFIG_EXT4_FS=y
@@ -623,6 +620,7 @@ CONFIG_NTFS_RW=y
CONFIG_PROC_KCORE=y
CONFIG_TMPFS=y
CONFIG_TMPFS_POSIX_ACL=y
+CONFIG_TMPFS_INODE64=y
CONFIG_HUGETLBFS=y
CONFIG_CONFIGFS_FS=m
CONFIG_ECRYPT_FS=m
@@ -703,12 +701,8 @@ CONFIG_CRYPTO_VMAC=m
CONFIG_CRYPTO_CRC32=m
CONFIG_CRYPTO_BLAKE2S=m
CONFIG_CRYPTO_MICHAEL_MIC=m
-CONFIG_CRYPTO_RMD128=m
CONFIG_CRYPTO_RMD160=m
-CONFIG_CRYPTO_RMD256=m
-CONFIG_CRYPTO_RMD320=m
CONFIG_CRYPTO_SHA3=m
-CONFIG_CRYPTO_TGR192=m
CONFIG_CRYPTO_WP512=m
CONFIG_CRYPTO_AES_TI=m
CONFIG_CRYPTO_ANUBIS=m
@@ -720,7 +714,6 @@ CONFIG_CRYPTO_CAST6=m
CONFIG_CRYPTO_DES=m
CONFIG_CRYPTO_FCRYPT=m
CONFIG_CRYPTO_KHAZAD=m
-CONFIG_CRYPTO_SALSA20=m
CONFIG_CRYPTO_SEED=m
CONFIG_CRYPTO_SERPENT=m
CONFIG_CRYPTO_SM4=m
diff --git a/arch/s390/configs/zfcpdump_defconfig b/arch/s390/configs/zfcpdump_defconfig
index acf982a2ae4c..76123a4b26ab 100644
--- a/arch/s390/configs/zfcpdump_defconfig
+++ b/arch/s390/configs/zfcpdump_defconfig
@@ -26,7 +26,6 @@ CONFIG_CRASH_DUMP=y
# CONFIG_SECCOMP is not set
# CONFIG_GCC_PLUGINS is not set
CONFIG_PARTITION_ADVANCED=y
-CONFIG_IBM_PARTITION=y
# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
# CONFIG_COMPACTION is not set
# CONFIG_MIGRATION is not set
@@ -61,11 +60,9 @@ CONFIG_RAW_DRIVER=y
# CONFIG_HID is not set
# CONFIG_VIRTIO_MENU is not set
# CONFIG_VHOST_MENU is not set
-# CONFIG_SURFACE_PLATFORMS is not set
# CONFIG_IOMMU_SUPPORT is not set
# CONFIG_DNOTIFY is not set
# CONFIG_INOTIFY_USER is not set
-CONFIG_CONFIGFS_FS=y
# CONFIG_MISC_FILESYSTEMS is not set
# CONFIG_NETWORK_FILESYSTEMS is not set
CONFIG_LSM="yama,loadpin,safesetid,integrity"
diff --git a/arch/s390/include/asm/idle.h b/arch/s390/include/asm/idle.h
index b04f6a794cdf..5cea629c548e 100644
--- a/arch/s390/include/asm/idle.h
+++ b/arch/s390/include/asm/idle.h
@@ -14,12 +14,12 @@
struct s390_idle_data {
seqcount_t seqcount;
- unsigned long long idle_count;
- unsigned long long idle_time;
- unsigned long long clock_idle_enter;
- unsigned long long clock_idle_exit;
- unsigned long long timer_idle_enter;
- unsigned long long timer_idle_exit;
+ unsigned long idle_count;
+ unsigned long idle_time;
+ unsigned long clock_idle_enter;
+ unsigned long clock_idle_exit;
+ unsigned long timer_idle_enter;
+ unsigned long timer_idle_exit;
unsigned long mt_cycles_enter[8];
};
diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h
index 053fe8b8dec7..a75d94a9bcb2 100644
--- a/arch/s390/include/asm/pci.h
+++ b/arch/s390/include/asm/pci.h
@@ -202,7 +202,7 @@ extern unsigned int s390_pci_no_rid;
----------------------------------------------------------------------------- */
/* Base stuff */
int zpci_create_device(u32 fid, u32 fh, enum zpci_state state);
-void zpci_remove_device(struct zpci_dev *zdev);
+void zpci_remove_device(struct zpci_dev *zdev, bool set_error);
int zpci_enable_device(struct zpci_dev *);
int zpci_disable_device(struct zpci_dev *);
int zpci_register_ioat(struct zpci_dev *, u8, u64, u64, u64);
diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h
index c4e23e925665..f6326c6d2abe 100644
--- a/arch/s390/include/asm/timex.h
+++ b/arch/s390/include/asm/timex.h
@@ -98,10 +98,10 @@ extern unsigned char ptff_function_mask[16];
/* Query TOD offset result */
struct ptff_qto {
- unsigned long long physical_clock;
- unsigned long long tod_offset;
- unsigned long long logical_tod_offset;
- unsigned long long tod_epoch_difference;
+ unsigned long physical_clock;
+ unsigned long tod_offset;
+ unsigned long logical_tod_offset;
+ unsigned long tod_epoch_difference;
} __packed;
static inline int ptff_query(unsigned int nr)
@@ -151,9 +151,9 @@ struct ptff_qui {
rc; \
})
-static inline unsigned long long local_tick_disable(void)
+static inline unsigned long local_tick_disable(void)
{
- unsigned long long old;
+ unsigned long old;
old = S390_lowcore.clock_comparator;
S390_lowcore.clock_comparator = clock_comparator_max;
@@ -161,7 +161,7 @@ static inline unsigned long long local_tick_disable(void)
return old;
}
-static inline void local_tick_enable(unsigned long long comp)
+static inline void local_tick_enable(unsigned long comp)
{
S390_lowcore.clock_comparator = comp;
set_clock_comparator(S390_lowcore.clock_comparator);
@@ -169,9 +169,9 @@ static inline void local_tick_enable(unsigned long long comp)
#define CLOCK_TICK_RATE 1193180 /* Underlying HZ */
-typedef unsigned long long cycles_t;
+typedef unsigned long cycles_t;
-static inline unsigned long long get_tod_clock(void)
+static inline unsigned long get_tod_clock(void)
{
union tod_clock clk;
@@ -179,10 +179,10 @@ static inline unsigned long long get_tod_clock(void)
return clk.tod;
}
-static inline unsigned long long get_tod_clock_fast(void)
+static inline unsigned long get_tod_clock_fast(void)
{
#ifdef CONFIG_HAVE_MARCH_Z9_109_FEATURES
- unsigned long long clk;
+ unsigned long clk;
asm volatile("stckf %0" : "=Q" (clk) : : "cc");
return clk;
@@ -208,9 +208,9 @@ extern union tod_clock tod_clock_base;
* Therefore preemption must be disabled, otherwise the returned
* value is not guaranteed to be monotonic.
*/
-static inline unsigned long long get_tod_clock_monotonic(void)
+static inline unsigned long get_tod_clock_monotonic(void)
{
- unsigned long long tod;
+ unsigned long tod;
preempt_disable_notrace();
tod = get_tod_clock() - tod_clock_base.tod;
@@ -237,7 +237,7 @@ static inline unsigned long long get_tod_clock_monotonic(void)
* -> ns = (th * 125) + ((tl * 125) >> 9);
*
*/
-static inline unsigned long long tod_to_ns(unsigned long long todval)
+static inline unsigned long tod_to_ns(unsigned long todval)
{
return ((todval >> 9) * 125) + (((todval & 0x1ff) * 125) >> 9);
}
@@ -249,10 +249,10 @@ static inline unsigned long long tod_to_ns(unsigned long long todval)
*
* Returns: true if a is later than b
*/
-static inline int tod_after(unsigned long long a, unsigned long long b)
+static inline int tod_after(unsigned long a, unsigned long b)
{
if (MACHINE_HAS_SCC)
- return (long long) a > (long long) b;
+ return (long) a > (long) b;
return a > b;
}
@@ -263,10 +263,10 @@ static inline int tod_after(unsigned long long a, unsigned long long b)
*
* Returns: true if a is later than b
*/
-static inline int tod_after_eq(unsigned long long a, unsigned long long b)
+static inline int tod_after_eq(unsigned long a, unsigned long b)
{
if (MACHINE_HAS_SCC)
- return (long long) a >= (long long) b;
+ return (long) a >= (long) b;
return a >= b;
}
diff --git a/arch/s390/include/asm/vdso/data.h b/arch/s390/include/asm/vdso/data.h
index 7b3cdb4a5f48..73ee89142666 100644
--- a/arch/s390/include/asm/vdso/data.h
+++ b/arch/s390/include/asm/vdso/data.h
@@ -6,7 +6,7 @@
#include <vdso/datapage.h>
struct arch_vdso_data {
- __u64 tod_steering_delta;
+ __s64 tod_steering_delta;
__u64 tod_steering_end;
};
diff --git a/arch/s390/include/uapi/asm/perf_cpum_cf_diag.h b/arch/s390/include/uapi/asm/hwctrset.h
index 3d8284b95f87..3d8284b95f87 100644
--- a/arch/s390/include/uapi/asm/perf_cpum_cf_diag.h
+++ b/arch/s390/include/uapi/asm/hwctrset.h
diff --git a/arch/s390/kernel/idle.c b/arch/s390/kernel/idle.c
index 812073ea073e..4bf1ee293f2b 100644
--- a/arch/s390/kernel/idle.c
+++ b/arch/s390/kernel/idle.c
@@ -47,7 +47,7 @@ void account_idle_time_irq(void)
void arch_cpu_idle(void)
{
struct s390_idle_data *idle = this_cpu_ptr(&s390_idle);
- unsigned long long idle_time;
+ unsigned long idle_time;
unsigned long psw_mask;
/* Wait for external, I/O or machine check interrupt. */
@@ -73,7 +73,7 @@ static ssize_t show_idle_count(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct s390_idle_data *idle = &per_cpu(s390_idle, dev->id);
- unsigned long long idle_count;
+ unsigned long idle_count;
unsigned int seq;
do {
@@ -82,14 +82,14 @@ static ssize_t show_idle_count(struct device *dev,
if (READ_ONCE(idle->clock_idle_enter))
idle_count++;
} while (read_seqcount_retry(&idle->seqcount, seq));
- return sprintf(buf, "%llu\n", idle_count);
+ return sprintf(buf, "%lu\n", idle_count);
}
DEVICE_ATTR(idle_count, 0444, show_idle_count, NULL);
static ssize_t show_idle_time(struct device *dev,
struct device_attribute *attr, char *buf)
{
- unsigned long long now, idle_time, idle_enter, idle_exit, in_idle;
+ unsigned long now, idle_time, idle_enter, idle_exit, in_idle;
struct s390_idle_data *idle = &per_cpu(s390_idle, dev->id);
unsigned int seq;
@@ -109,14 +109,14 @@ static ssize_t show_idle_time(struct device *dev,
}
}
idle_time += in_idle;
- return sprintf(buf, "%llu\n", idle_time >> 12);
+ return sprintf(buf, "%lu\n", idle_time >> 12);
}
DEVICE_ATTR(idle_time_us, 0444, show_idle_time, NULL);
u64 arch_cpu_idle_time(int cpu)
{
struct s390_idle_data *idle = &per_cpu(s390_idle, cpu);
- unsigned long long now, idle_enter, idle_exit, in_idle;
+ unsigned long now, idle_enter, idle_exit, in_idle;
unsigned int seq;
do {
diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c
index 0eb1d1cc53a8..b3beef64d3d4 100644
--- a/arch/s390/kernel/perf_cpum_cf.c
+++ b/arch/s390/kernel/perf_cpum_cf.c
@@ -269,7 +269,7 @@ static int __hw_perf_event_init(struct perf_event *event, unsigned int type)
case CPUMF_CTR_SET_MAX:
/* The counter could not be associated to a counter set */
return -EINVAL;
- };
+ }
/* Initialize for using the CPU-measurement counter facility */
if (!atomic_inc_not_zero(&num_events)) {
diff --git a/arch/s390/kernel/perf_cpum_cf_diag.c b/arch/s390/kernel/perf_cpum_cf_diag.c
index db4877bbb9aa..2e3e7edbe3a0 100644
--- a/arch/s390/kernel/perf_cpum_cf_diag.c
+++ b/arch/s390/kernel/perf_cpum_cf_diag.c
@@ -26,12 +26,10 @@
#include <asm/timex.h>
#include <asm/debug.h>
-#include <asm/perf_cpum_cf_diag.h>
+#include <asm/hwctrset.h>
#define CF_DIAG_CTRSET_DEF 0xfeef /* Counter set header mark */
-#define CF_DIAG_MIN_INTERVAL 60 /* Minimum counter set read */
/* interval in seconds */
-static unsigned long cf_diag_interval = CF_DIAG_MIN_INTERVAL;
static unsigned int cf_diag_cpu_speed;
static debug_info_t *cf_diag_dbg;
@@ -729,7 +727,6 @@ static DEFINE_MUTEX(cf_diag_ctrset_mutex);
static struct cf_diag_ctrset {
unsigned long ctrset; /* Bit mask of counter set to read */
cpumask_t mask; /* CPU mask to read from */
- time64_t lastread; /* Epoch counter set last read */
} cf_diag_ctrset;
static void cf_diag_ctrset_clear(void)
@@ -866,27 +863,16 @@ static int cf_diag_all_read(unsigned long arg)
{
struct cf_diag_call_on_cpu_parm p;
cpumask_var_t mask;
- time64_t now;
- int rc = 0;
+ int rc;
debug_sprintf_event(cf_diag_dbg, 5, "%s\n", __func__);
if (!alloc_cpumask_var(&mask, GFP_KERNEL))
return -ENOMEM;
- now = ktime_get_seconds();
- if (cf_diag_ctrset.lastread + cf_diag_interval > now) {
- debug_sprintf_event(cf_diag_dbg, 5, "%s now %lld "
- " lastread %lld\n", __func__, now,
- cf_diag_ctrset.lastread);
- rc = -EAGAIN;
- goto out;
- } else {
- cf_diag_ctrset.lastread = now;
- }
+
p.sets = cf_diag_ctrset.ctrset;
cpumask_and(mask, &cf_diag_ctrset.mask, cpu_online_mask);
on_each_cpu_mask(mask, cf_diag_cpu_read, &p, 1);
rc = cf_diag_all_copy(arg, mask);
-out:
free_cpumask_var(mask);
debug_sprintf_event(cf_diag_dbg, 5, "%s rc %d\n", __func__, rc);
return rc;
@@ -982,7 +968,7 @@ static int cf_diag_all_start(void)
*/
static size_t cf_diag_needspace(unsigned int sets)
{
- struct cpu_cf_events *cpuhw = this_cpu_ptr(&cpu_cf_events);
+ struct cpu_cf_events *cpuhw = get_cpu_ptr(&cpu_cf_events);
size_t bytes = 0;
int i;
@@ -998,6 +984,7 @@ static size_t cf_diag_needspace(unsigned int sets)
sizeof(((struct s390_ctrset_cpudata *)0)->no_sets));
debug_sprintf_event(cf_diag_dbg, 5, "%s bytes %ld\n", __func__,
bytes);
+ put_cpu_ptr(&cpu_cf_events);
return bytes;
}
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index 06bcfa636638..326cb8f75f58 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -68,10 +68,10 @@ EXPORT_SYMBOL(s390_epoch_delta_notifier);
unsigned char ptff_function_mask[16];
-static unsigned long long lpar_offset;
-static unsigned long long initial_leap_seconds;
-static unsigned long long tod_steering_end;
-static long long tod_steering_delta;
+static unsigned long lpar_offset;
+static unsigned long initial_leap_seconds;
+static unsigned long tod_steering_end;
+static long tod_steering_delta;
/*
* Get time offsets with PTFF
@@ -80,10 +80,12 @@ void __init time_early_init(void)
{
struct ptff_qto qto;
struct ptff_qui qui;
+ int cs;
/* Initialize TOD steering parameters */
tod_steering_end = tod_clock_base.tod;
- vdso_data->arch_data.tod_steering_end = tod_steering_end;
+ for (cs = 0; cs < CS_BASES; cs++)
+ vdso_data[cs].arch_data.tod_steering_end = tod_steering_end;
if (!test_facility(28))
return;
@@ -96,7 +98,7 @@ void __init time_early_init(void)
/* get initial leap seconds */
if (ptff_query(PTFF_QUI) && ptff(&qui, sizeof(qui), PTFF_QUI) == 0)
- initial_leap_seconds = (unsigned long long)
+ initial_leap_seconds = (unsigned long)
((long) qui.old_leap * 4096000000L);
}
@@ -222,7 +224,7 @@ void __init read_persistent_wall_and_boot_offset(struct timespec64 *wall_time,
static u64 read_tod_clock(struct clocksource *cs)
{
- unsigned long long now, adj;
+ unsigned long now, adj;
preempt_disable(); /* protect from changes to steering parameters */
now = get_tod_clock();
@@ -362,10 +364,11 @@ static inline int check_sync_clock(void)
* Apply clock delta to the global data structures.
* This is called once on the CPU that performed the clock sync.
*/
-static void clock_sync_global(unsigned long long delta)
+static void clock_sync_global(unsigned long delta)
{
unsigned long now, adj;
struct ptff_qto qto;
+ int cs;
/* Fixup the monotonic sched clock. */
tod_clock_base.eitod += delta;
@@ -378,10 +381,13 @@ static void clock_sync_global(unsigned long long delta)
-(adj >> 15) : (adj >> 15);
tod_steering_delta += delta;
if ((abs(tod_steering_delta) >> 48) != 0)
- panic("TOD clock sync offset %lli is too large to drift\n",
+ panic("TOD clock sync offset %li is too large to drift\n",
tod_steering_delta);
tod_steering_end = now + (abs(tod_steering_delta) << 15);
- vdso_data->arch_data.tod_steering_end = tod_steering_end;
+ for (cs = 0; cs < CS_BASES; cs++) {
+ vdso_data[cs].arch_data.tod_steering_end = tod_steering_end;
+ vdso_data[cs].arch_data.tod_steering_delta = tod_steering_delta;
+ }
/* Update LPAR offset. */
if (ptff_query(PTFF_QTO) && ptff(&qto, sizeof(qto), PTFF_QTO) == 0)
@@ -394,7 +400,7 @@ static void clock_sync_global(unsigned long long delta)
* Apply clock delta to the per-CPU data structures of this CPU.
* This is called for each online CPU after the call to clock_sync_global.
*/
-static void clock_sync_local(unsigned long long delta)
+static void clock_sync_local(unsigned long delta)
{
/* Add the delta to the clock comparator. */
if (S390_lowcore.clock_comparator != clock_comparator_max) {
@@ -418,7 +424,7 @@ static void __init time_init_wq(void)
struct clock_sync_data {
atomic_t cpus;
int in_sync;
- unsigned long long clock_delta;
+ unsigned long clock_delta;
};
/*
@@ -538,7 +544,7 @@ static int stpinfo_valid(void)
static int stp_sync_clock(void *data)
{
struct clock_sync_data *sync = data;
- unsigned long long clock_delta, flags;
+ u64 clock_delta, flags;
static int first;
int rc;
@@ -720,8 +726,8 @@ static ssize_t ctn_id_show(struct device *dev,
mutex_lock(&stp_mutex);
if (stpinfo_valid())
- ret = sprintf(buf, "%016llx\n",
- *(unsigned long long *) stp_info.ctnid);
+ ret = sprintf(buf, "%016lx\n",
+ *(unsigned long *) stp_info.ctnid);
mutex_unlock(&stp_mutex);
return ret;
}
@@ -794,7 +800,7 @@ static ssize_t leap_seconds_scheduled_show(struct device *dev,
if (!stzi.lsoib.p)
return sprintf(buf, "0,0\n");
- return sprintf(buf, "%llu,%d\n",
+ return sprintf(buf, "%lu,%d\n",
tod_to_ns(stzi.lsoib.nlsout - TOD_UNIX_EPOCH) / NSEC_PER_SEC,
stzi.lsoib.nlso - stzi.lsoib.also);
}
diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c
index e7ce447651b9..bfcc327acc6b 100644
--- a/arch/s390/kernel/topology.c
+++ b/arch/s390/kernel/topology.c
@@ -76,8 +76,6 @@ static void cpu_group_map(cpumask_t *dst, struct mask_info *info, unsigned int c
}
info = info->next;
}
- if (cpumask_empty(&mask))
- cpumask_copy(&mask, cpumask_of(cpu));
break;
case TOPOLOGY_MODE_PACKAGE:
cpumask_copy(&mask, cpu_present_mask);
diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c
index 73c7afcc0527..f216a1b2f825 100644
--- a/arch/s390/kernel/vtime.c
+++ b/arch/s390/kernel/vtime.c
@@ -214,7 +214,7 @@ void vtime_flush(struct task_struct *tsk)
avg_steal = S390_lowcore.avg_steal_timer / 2;
if ((s64) steal > 0) {
S390_lowcore.steal_timer = 0;
- account_steal_time(steal);
+ account_steal_time(cputime_to_nsecs(steal));
avg_steal += steal;
}
S390_lowcore.avg_steal_timer = avg_steal;
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index e3183bd05910..d548d60caed2 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -1287,7 +1287,7 @@ static u64 __calculate_sltime(struct kvm_vcpu *vcpu)
/* already expired? */
if (cputm >> 63)
return 0;
- return min(sltime, tod_to_ns(cputm));
+ return min_t(u64, sltime, tod_to_ns(cputm));
}
} else if (cpu_timer_interrupts_enabled(vcpu)) {
sltime = kvm_s390_get_cpu_timer(vcpu);
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index 600881d894dd..91064077526d 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -682,16 +682,36 @@ int zpci_disable_device(struct zpci_dev *zdev)
}
EXPORT_SYMBOL_GPL(zpci_disable_device);
-void zpci_remove_device(struct zpci_dev *zdev)
+/* zpci_remove_device - Removes the given zdev from the PCI core
+ * @zdev: the zdev to be removed from the PCI core
+ * @set_error: if true the device's error state is set to permanent failure
+ *
+ * Sets a zPCI device to a configured but offline state; the zPCI
+ * device is still accessible through its hotplug slot and the zPCI
+ * API but is removed from the common code PCI bus, making it
+ * no longer available to drivers.
+ */
+void zpci_remove_device(struct zpci_dev *zdev, bool set_error)
{
struct zpci_bus *zbus = zdev->zbus;
struct pci_dev *pdev;
+ if (!zdev->zbus->bus)
+ return;
+
pdev = pci_get_slot(zbus->bus, zdev->devfn);
if (pdev) {
- if (pdev->is_virtfn)
- return zpci_iov_remove_virtfn(pdev, zdev->vfn);
+ if (set_error)
+ pdev->error_state = pci_channel_io_perm_failure;
+ if (pdev->is_virtfn) {
+ zpci_iov_remove_virtfn(pdev, zdev->vfn);
+ /* balance pci_get_slot */
+ pci_dev_put(pdev);
+ return;
+ }
pci_stop_and_remove_bus_device_locked(pdev);
+ /* balance pci_get_slot */
+ pci_dev_put(pdev);
}
}
@@ -765,7 +785,7 @@ void zpci_release_device(struct kref *kref)
struct zpci_dev *zdev = container_of(kref, struct zpci_dev, kref);
if (zdev->zbus->bus)
- zpci_remove_device(zdev);
+ zpci_remove_device(zdev, false);
switch (zdev->state) {
case ZPCI_FN_STATE_ONLINE:
diff --git a/arch/s390/pci/pci_event.c b/arch/s390/pci/pci_event.c
index b4162da4e8a2..ac0c65cdd69d 100644
--- a/arch/s390/pci/pci_event.c
+++ b/arch/s390/pci/pci_event.c
@@ -76,13 +76,10 @@ void zpci_event_error(void *data)
static void __zpci_event_availability(struct zpci_ccdf_avail *ccdf)
{
struct zpci_dev *zdev = get_zdev_by_fid(ccdf->fid);
- struct pci_dev *pdev = NULL;
enum zpci_state state;
+ struct pci_dev *pdev;
int ret;
- if (zdev && zdev->zbus->bus)
- pdev = pci_get_slot(zdev->zbus->bus, zdev->devfn);
-
zpci_err("avail CCDF:\n");
zpci_err_hex(ccdf, sizeof(*ccdf));
@@ -124,8 +121,7 @@ static void __zpci_event_availability(struct zpci_ccdf_avail *ccdf)
case 0x0303: /* Deconfiguration requested */
if (!zdev)
break;
- if (pdev)
- zpci_remove_device(zdev);
+ zpci_remove_device(zdev, false);
ret = zpci_disable_device(zdev);
if (ret)
@@ -140,12 +136,10 @@ static void __zpci_event_availability(struct zpci_ccdf_avail *ccdf)
case 0x0304: /* Configured -> Standby|Reserved */
if (!zdev)
break;
- if (pdev) {
- /* Give the driver a hint that the function is
- * already unusable. */
- pdev->error_state = pci_channel_io_perm_failure;
- zpci_remove_device(zdev);
- }
+ /* Give the driver a hint that the function is
+ * already unusable.
+ */
+ zpci_remove_device(zdev, true);
zdev->fh = ccdf->fh;
zpci_disable_device(zdev);
diff --git a/arch/sparc/configs/sparc64_defconfig b/arch/sparc/configs/sparc64_defconfig
index 148f44b33890..12a4fb0bd52a 100644
--- a/arch/sparc/configs/sparc64_defconfig
+++ b/arch/sparc/configs/sparc64_defconfig
@@ -93,7 +93,7 @@ CONFIG_NETDEVICES=y
CONFIG_NET_ETHERNET=y
CONFIG_MII=m
CONFIG_SUNLANCE=m
-CONFIG_HAPPYMEAL=m
+CONFIG_HAPPYMEAL=y
CONFIG_SUNGEM=m
CONFIG_SUNVNET=m
CONFIG_LDMVSW=m
@@ -234,9 +234,7 @@ CONFIG_CRYPTO_TWOFISH=m
CONFIG_CRC16=m
CONFIG_LIBCRC32C=m
CONFIG_VCC=m
-CONFIG_ATA=y
CONFIG_PATA_CMD64X=y
-CONFIG_HAPPYMEAL=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
CONFIG_DEVTMPFS=y
diff --git a/arch/sparc/include/asm/elf_64.h b/arch/sparc/include/asm/elf_64.h
index 7e078bc73ef5..8fb09eec8c3e 100644
--- a/arch/sparc/include/asm/elf_64.h
+++ b/arch/sparc/include/asm/elf_64.h
@@ -8,7 +8,6 @@
#include <asm/ptrace.h>
#include <asm/processor.h>
-#include <asm/extable_64.h>
#include <asm/spitfire.h>
#include <asm/adi.h>
diff --git a/arch/sparc/include/asm/extable_64.h b/arch/sparc/include/asm/extable.h
index 5a0171907b7e..554a9dc376fc 100644
--- a/arch/sparc/include/asm/extable_64.h
+++ b/arch/sparc/include/asm/extable.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __ASM_EXTABLE64_H
-#define __ASM_EXTABLE64_H
+#ifndef __ASM_EXTABLE_H
+#define __ASM_EXTABLE_H
/*
* The exception table consists of pairs of addresses: the first is the
* address of an instruction that is allowed to fault, and the second is
diff --git a/arch/sparc/include/asm/processor_32.h b/arch/sparc/include/asm/processor_32.h
index 3c4bc2189092..b6242f7771e9 100644
--- a/arch/sparc/include/asm/processor_32.h
+++ b/arch/sparc/include/asm/processor_32.h
@@ -50,16 +50,12 @@ struct thread_struct {
unsigned long fsr;
unsigned long fpqdepth;
struct fpq fpqueue[16];
- unsigned long flags;
mm_segment_t current_ds;
};
-#define SPARC_FLAG_KTHREAD 0x1 /* task is a kernel thread */
-#define SPARC_FLAG_UNALIGNED 0x2 /* is allowed to do unaligned accesses */
-
#define INIT_THREAD { \
- .flags = SPARC_FLAG_KTHREAD, \
.current_ds = KERNEL_DS, \
+ .kregs = (struct pt_regs *)(init_stack+THREAD_SIZE)-1 \
}
/* Do necessary setup to start up a newly executed thread. */
diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h
index 42cd4cd3892e..8047a9caab2f 100644
--- a/arch/sparc/include/asm/thread_info_64.h
+++ b/arch/sparc/include/asm/thread_info_64.h
@@ -118,6 +118,7 @@ struct thread_info {
.task = &tsk, \
.current_ds = ASI_P, \
.preempt_count = INIT_PREEMPT_COUNT, \
+ .kregs = (struct pt_regs *)(init_stack+THREAD_SIZE)-1 \
}
/* how to get the thread information struct from C */
diff --git a/arch/sparc/include/asm/uaccess.h b/arch/sparc/include/asm/uaccess.h
index dd85bc2c2cad..390094200fc4 100644
--- a/arch/sparc/include/asm/uaccess.h
+++ b/arch/sparc/include/asm/uaccess.h
@@ -1,6 +1,9 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ___ASM_SPARC_UACCESS_H
#define ___ASM_SPARC_UACCESS_H
+
+#include <asm/extable.h>
+
#if defined(__sparc__) && defined(__arch64__)
#include <asm/uaccess_64.h>
#else
diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h
index 0a2d3ebc4bb8..4a12346bb69c 100644
--- a/arch/sparc/include/asm/uaccess_32.h
+++ b/arch/sparc/include/asm/uaccess_32.h
@@ -13,9 +13,6 @@
#include <asm/processor.h>
-#define ARCH_HAS_SORT_EXTABLE
-#define ARCH_HAS_SEARCH_EXTABLE
-
/* Sparc is not segmented, however we need to be able to fool access_ok()
* when doing system calls from kernel mode legitimately.
*
@@ -40,36 +37,6 @@
#define __access_ok(addr, size) (__user_ok((addr) & get_fs().seg, (size)))
#define access_ok(addr, size) __access_ok((unsigned long)(addr), size)
-/*
- * The exception table consists of pairs of addresses: the first is the
- * address of an instruction that is allowed to fault, and the second is
- * the address at which the program should continue. No registers are
- * modified, so it is entirely up to the continuation code to figure out
- * what to do.
- *
- * All the routines below use bits of fixup code that are out of line
- * with the main instruction path. This means when everything is well,
- * we don't even have to jump over them. Further, they do not intrude
- * on our cache or tlb entries.
- *
- * There is a special way how to put a range of potentially faulting
- * insns (like twenty ldd/std's with now intervening other instructions)
- * You specify address of first in insn and 0 in fixup and in the next
- * exception_table_entry you specify last potentially faulting insn + 1
- * and in fixup the routine which should handle the fault.
- * That fixup code will get
- * (faulting_insn_address - first_insn_in_the_range_address)/4
- * in %g2 (ie. index of the faulting instruction in the range).
- */
-
-struct exception_table_entry
-{
- unsigned long insn, fixup;
-};
-
-/* Returns 0 if exception not found and fixup otherwise. */
-unsigned long search_extables_range(unsigned long addr, unsigned long *g2);
-
/* Uh, these should become the main single-value transfer routines..
* They automatically use the right size if we just have the right
* pointer type..
@@ -252,12 +219,7 @@ static inline unsigned long __clear_user(void __user *addr, unsigned long size)
unsigned long ret;
__asm__ __volatile__ (
- ".section __ex_table,#alloc\n\t"
- ".align 4\n\t"
- ".word 1f,3\n\t"
- ".previous\n\t"
"mov %2, %%o1\n"
- "1:\n\t"
"call __bzero\n\t"
" mov %1, %%o0\n\t"
"mov %%o0, %0\n"
diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h
index 698cf69f74e9..30eb4c6414d1 100644
--- a/arch/sparc/include/asm/uaccess_64.h
+++ b/arch/sparc/include/asm/uaccess_64.h
@@ -10,7 +10,6 @@
#include <linux/string.h>
#include <asm/asi.h>
#include <asm/spitfire.h>
-#include <asm/extable_64.h>
#include <asm/processor.h>
diff --git a/arch/sparc/kernel/head_32.S b/arch/sparc/kernel/head_32.S
index be30c8d4cc73..6044b82b9767 100644
--- a/arch/sparc/kernel/head_32.S
+++ b/arch/sparc/kernel/head_32.S
@@ -515,7 +515,7 @@ continue_boot:
/* I want a kernel stack NOW! */
set init_thread_union, %g1
- set (THREAD_SIZE - STACKFRAME_SZ), %g2
+ set (THREAD_SIZE - STACKFRAME_SZ - TRACEREG_SZ), %g2
add %g1, %g2, %sp
mov 0, %fp /* And for good luck */
diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S
index c5ff2472b3d9..72a5bdc833ea 100644
--- a/arch/sparc/kernel/head_64.S
+++ b/arch/sparc/kernel/head_64.S
@@ -706,7 +706,7 @@ tlb_fixup_done:
wr %g0, ASI_P, %asi
mov 1, %g1
sllx %g1, THREAD_SHIFT, %g1
- sub %g1, (STACKFRAME_SZ + STACK_BIAS), %g1
+ sub %g1, (STACKFRAME_SZ + STACK_BIAS + TRACEREG_SZ), %g1
add %g6, %g1, %sp
/* Set per-cpu pointer initially to zero, this makes
diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c
index b91e88058e0c..3b9794978e5b 100644
--- a/arch/sparc/kernel/process_32.c
+++ b/arch/sparc/kernel/process_32.c
@@ -216,16 +216,6 @@ void flush_thread(void)
clear_thread_flag(TIF_USEDFPU);
#endif
}
-
- /* This task is no longer a kernel thread. */
- if (current->thread.flags & SPARC_FLAG_KTHREAD) {
- current->thread.flags &= ~SPARC_FLAG_KTHREAD;
-
- /* We must fixup kregs as well. */
- /* XXX This was not fixed for ti for a while, worked. Unused? */
- current->thread.kregs = (struct pt_regs *)
- (task_stack_page(current) + (THREAD_SIZE - TRACEREG_SZ));
- }
}
static inline struct sparc_stackf __user *
@@ -313,7 +303,6 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, unsigned long arg,
extern int nwindows;
unsigned long psr;
memset(new_stack, 0, STACKFRAME_SZ + TRACEREG_SZ);
- p->thread.flags |= SPARC_FLAG_KTHREAD;
p->thread.current_ds = KERNEL_DS;
ti->kpc = (((unsigned long) ret_from_kernel_thread) - 0x8);
childregs->u_regs[UREG_G1] = sp; /* function */
@@ -325,7 +314,6 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, unsigned long arg,
}
memcpy(new_stack, (char *)regs - STACKFRAME_SZ, STACKFRAME_SZ + TRACEREG_SZ);
childregs->u_regs[UREG_FP] = sp;
- p->thread.flags &= ~SPARC_FLAG_KTHREAD;
p->thread.current_ds = USER_DS;
ti->kpc = (((unsigned long) ret_from_fork) - 0x8);
ti->kpsr = current->thread.fork_kpsr | PSR_PIL;
diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c
index eea43a1aef1b..c8e0dd99f370 100644
--- a/arch/sparc/kernel/setup_32.c
+++ b/arch/sparc/kernel/setup_32.c
@@ -266,7 +266,6 @@ static __init void leon_patch(void)
}
struct tt_entry *sparc_ttable;
-static struct pt_regs fake_swapper_regs;
/* Called from head_32.S - before we have setup anything
* in the kernel. Be very careful with what you do here.
@@ -363,8 +362,6 @@ void __init setup_arch(char **cmdline_p)
(*(linux_dbvec->teach_debugger))();
}
- init_task.thread.kregs = &fake_swapper_regs;
-
/* Run-time patch instructions to match the cpu model */
per_cpu_patch();
diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c
index d87244197d5c..48abee4eee29 100644
--- a/arch/sparc/kernel/setup_64.c
+++ b/arch/sparc/kernel/setup_64.c
@@ -165,8 +165,6 @@ extern int root_mountflags;
char reboot_command[COMMAND_LINE_SIZE];
-static struct pt_regs fake_swapper_regs = { { 0, }, 0, 0, 0, 0 };
-
static void __init per_cpu_patch(void)
{
struct cpuid_patch_entry *p;
@@ -661,8 +659,6 @@ void __init setup_arch(char **cmdline_p)
rd_image_start = ram_flags & RAMDISK_IMAGE_START_MASK;
#endif
- task_thread_info(&init_task)->kregs = &fake_swapper_regs;
-
#ifdef CONFIG_IP_PNP
if (!ic_set_manually) {
phandle chosen = prom_finddevice("/chosen");
diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c
index d92e5eaa4c1d..a850dccd78ea 100644
--- a/arch/sparc/kernel/traps_64.c
+++ b/arch/sparc/kernel/traps_64.c
@@ -275,14 +275,13 @@ bool is_no_fault_exception(struct pt_regs *regs)
asi = (regs->tstate >> 24); /* saved %asi */
else
asi = (insn >> 5); /* immediate asi */
- if ((asi & 0xf2) == ASI_PNF) {
- if (insn & 0x1000000) { /* op3[5:4]=3 */
- handle_ldf_stq(insn, regs);
- return true;
- } else if (insn & 0x200000) { /* op3[2], stores */
+ if ((asi & 0xf6) == ASI_PNF) {
+ if (insn & 0x200000) /* op3[2], stores */
return false;
- }
- handle_ld_nf(insn, regs);
+ if (insn & 0x1000000) /* op3[5:4]=3 (fp) */
+ handle_ldf_stq(insn, regs);
+ else
+ handle_ld_nf(insn, regs);
return true;
}
}
diff --git a/arch/sparc/kernel/unaligned_32.c b/arch/sparc/kernel/unaligned_32.c
index 83db94c0b431..ef5c5207c9ff 100644
--- a/arch/sparc/kernel/unaligned_32.c
+++ b/arch/sparc/kernel/unaligned_32.c
@@ -16,6 +16,7 @@
#include <linux/uaccess.h>
#include <linux/smp.h>
#include <linux/perf_event.h>
+#include <linux/extable.h>
#include <asm/setup.h>
@@ -213,10 +214,10 @@ static inline int ok_for_kernel(unsigned int insn)
static void kernel_mna_trap_fault(struct pt_regs *regs, unsigned int insn)
{
- unsigned long g2 = regs->u_regs [UREG_G2];
- unsigned long fixup = search_extables_range(regs->pc, &g2);
+ const struct exception_table_entry *entry;
- if (!fixup) {
+ entry = search_exception_tables(regs->pc);
+ if (!entry) {
unsigned long address = compute_effective_address(regs, insn);
if(address < PAGE_SIZE) {
printk(KERN_ALERT "Unable to handle kernel NULL pointer dereference in mna handler");
@@ -232,9 +233,8 @@ static void kernel_mna_trap_fault(struct pt_regs *regs, unsigned int insn)
die_if_kernel("Oops", regs);
/* Not reached */
}
- regs->pc = fixup;
+ regs->pc = entry->fixup;
regs->npc = regs->pc + 4;
- regs->u_regs [UREG_G2] = g2;
}
asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn)
@@ -274,103 +274,9 @@ asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn)
}
}
-static inline int ok_for_user(struct pt_regs *regs, unsigned int insn,
- enum direction dir)
-{
- unsigned int reg;
- int size = ((insn >> 19) & 3) == 3 ? 8 : 4;
-
- if ((regs->pc | regs->npc) & 3)
- return 0;
-
- /* Must access_ok() in all the necessary places. */
-#define WINREG_ADDR(regnum) \
- ((void __user *)(((unsigned long *)regs->u_regs[UREG_FP])+(regnum)))
-
- reg = (insn >> 25) & 0x1f;
- if (reg >= 16) {
- if (!access_ok(WINREG_ADDR(reg - 16), size))
- return -EFAULT;
- }
- reg = (insn >> 14) & 0x1f;
- if (reg >= 16) {
- if (!access_ok(WINREG_ADDR(reg - 16), size))
- return -EFAULT;
- }
- if (!(insn & 0x2000)) {
- reg = (insn & 0x1f);
- if (reg >= 16) {
- if (!access_ok(WINREG_ADDR(reg - 16), size))
- return -EFAULT;
- }
- }
-#undef WINREG_ADDR
- return 0;
-}
-
-static void user_mna_trap_fault(struct pt_regs *regs, unsigned int insn)
+asmlinkage void user_unaligned_trap(struct pt_regs *regs, unsigned int insn)
{
send_sig_fault(SIGBUS, BUS_ADRALN,
(void __user *)safe_compute_effective_address(regs, insn),
0, current);
}
-
-asmlinkage void user_unaligned_trap(struct pt_regs *regs, unsigned int insn)
-{
- enum direction dir;
-
- if(!(current->thread.flags & SPARC_FLAG_UNALIGNED) ||
- (((insn >> 30) & 3) != 3))
- goto kill_user;
- dir = decode_direction(insn);
- if(!ok_for_user(regs, insn, dir)) {
- goto kill_user;
- } else {
- int err, size = decode_access_size(insn);
- unsigned long addr;
-
- if(floating_point_load_or_store_p(insn)) {
- printk("User FPU load/store unaligned unsupported.\n");
- goto kill_user;
- }
-
- addr = compute_effective_address(regs, insn);
- perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, 1, regs, addr);
- switch(dir) {
- case load:
- err = do_int_load(fetch_reg_addr(((insn>>25)&0x1f),
- regs),
- size, (unsigned long *) addr,
- decode_signedness(insn));
- break;
-
- case store:
- err = do_int_store(((insn>>25)&0x1f), size,
- (unsigned long *) addr, regs);
- break;
-
- case both:
- /*
- * This was supported in 2.4. However, we question
- * the value of SWAP instruction across word boundaries.
- */
- printk("Unaligned SWAP unsupported.\n");
- err = -EFAULT;
- break;
-
- default:
- unaligned_panic("Impossible user unaligned trap.");
- goto out;
- }
- if (err)
- goto kill_user;
- else
- advance(regs);
- goto out;
- }
-
-kill_user:
- user_mna_trap_fault(regs, insn);
-out:
- ;
-}
diff --git a/arch/sparc/lib/checksum_32.S b/arch/sparc/lib/checksum_32.S
index 7488d130faf7..781e39b3c009 100644
--- a/arch/sparc/lib/checksum_32.S
+++ b/arch/sparc/lib/checksum_32.S
@@ -155,13 +155,6 @@ cpout: retl ! get outta here
.text; \
.align 4
-#define EXT(start,end) \
- .section __ex_table,ALLOC; \
- .align 4; \
- .word start, 0, end, cc_fault; \
- .text; \
- .align 4
-
/* This aligned version executes typically in 8.5 superscalar cycles, this
* is the best I can do. I say 8.5 because the final add will pair with
* the next ldd in the main unrolled loop. Thus the pipe is always full.
@@ -169,20 +162,20 @@ cpout: retl ! get outta here
* please check the fixup code below as well.
*/
#define CSUMCOPY_BIGCHUNK_ALIGNED(src, dst, sum, off, t0, t1, t2, t3, t4, t5, t6, t7) \
- ldd [src + off + 0x00], t0; \
- ldd [src + off + 0x08], t2; \
+ EX(ldd [src + off + 0x00], t0); \
+ EX(ldd [src + off + 0x08], t2); \
addxcc t0, sum, sum; \
- ldd [src + off + 0x10], t4; \
+ EX(ldd [src + off + 0x10], t4); \
addxcc t1, sum, sum; \
- ldd [src + off + 0x18], t6; \
+ EX(ldd [src + off + 0x18], t6); \
addxcc t2, sum, sum; \
- std t0, [dst + off + 0x00]; \
+ EX(std t0, [dst + off + 0x00]); \
addxcc t3, sum, sum; \
- std t2, [dst + off + 0x08]; \
+ EX(std t2, [dst + off + 0x08]); \
addxcc t4, sum, sum; \
- std t4, [dst + off + 0x10]; \
+ EX(std t4, [dst + off + 0x10]); \
addxcc t5, sum, sum; \
- std t6, [dst + off + 0x18]; \
+ EX(std t6, [dst + off + 0x18]); \
addxcc t6, sum, sum; \
addxcc t7, sum, sum;
@@ -191,39 +184,39 @@ cpout: retl ! get outta here
* Viking MXCC into streaming mode. Ho hum...
*/
#define CSUMCOPY_BIGCHUNK(src, dst, sum, off, t0, t1, t2, t3, t4, t5, t6, t7) \
- ldd [src + off + 0x00], t0; \
- ldd [src + off + 0x08], t2; \
- ldd [src + off + 0x10], t4; \
- ldd [src + off + 0x18], t6; \
- st t0, [dst + off + 0x00]; \
+ EX(ldd [src + off + 0x00], t0); \
+ EX(ldd [src + off + 0x08], t2); \
+ EX(ldd [src + off + 0x10], t4); \
+ EX(ldd [src + off + 0x18], t6); \
+ EX(st t0, [dst + off + 0x00]); \
addxcc t0, sum, sum; \
- st t1, [dst + off + 0x04]; \
+ EX(st t1, [dst + off + 0x04]); \
addxcc t1, sum, sum; \
- st t2, [dst + off + 0x08]; \
+ EX(st t2, [dst + off + 0x08]); \
addxcc t2, sum, sum; \
- st t3, [dst + off + 0x0c]; \
+ EX(st t3, [dst + off + 0x0c]); \
addxcc t3, sum, sum; \
- st t4, [dst + off + 0x10]; \
+ EX(st t4, [dst + off + 0x10]); \
addxcc t4, sum, sum; \
- st t5, [dst + off + 0x14]; \
+ EX(st t5, [dst + off + 0x14]); \
addxcc t5, sum, sum; \
- st t6, [dst + off + 0x18]; \
+ EX(st t6, [dst + off + 0x18]); \
addxcc t6, sum, sum; \
- st t7, [dst + off + 0x1c]; \
+ EX(st t7, [dst + off + 0x1c]); \
addxcc t7, sum, sum;
/* Yuck, 6 superscalar cycles... */
#define CSUMCOPY_LASTCHUNK(src, dst, sum, off, t0, t1, t2, t3) \
- ldd [src - off - 0x08], t0; \
- ldd [src - off - 0x00], t2; \
+ EX(ldd [src - off - 0x08], t0); \
+ EX(ldd [src - off - 0x00], t2); \
addxcc t0, sum, sum; \
- st t0, [dst - off - 0x08]; \
+ EX(st t0, [dst - off - 0x08]); \
addxcc t1, sum, sum; \
- st t1, [dst - off - 0x04]; \
+ EX(st t1, [dst - off - 0x04]); \
addxcc t2, sum, sum; \
- st t2, [dst - off - 0x00]; \
+ EX(st t2, [dst - off - 0x00]); \
addxcc t3, sum, sum; \
- st t3, [dst - off + 0x04];
+ EX(st t3, [dst - off + 0x04]);
/* Handle the end cruft code out of band for better cache patterns. */
cc_end_cruft:
@@ -331,7 +324,6 @@ __csum_partial_copy_sparc_generic:
CSUMCOPY_BIGCHUNK(%o0,%o1,%g7,0x20,%o4,%o5,%g2,%g3,%g4,%g5,%o2,%o3)
CSUMCOPY_BIGCHUNK(%o0,%o1,%g7,0x40,%o4,%o5,%g2,%g3,%g4,%g5,%o2,%o3)
CSUMCOPY_BIGCHUNK(%o0,%o1,%g7,0x60,%o4,%o5,%g2,%g3,%g4,%g5,%o2,%o3)
-10: EXT(5b, 10b) ! note for exception handling
sub %g1, 128, %g1 ! detract from length
addx %g0, %g7, %g7 ! add in last carry bit
andcc %g1, 0xffffff80, %g0 ! more to csum?
@@ -356,8 +348,7 @@ cctbl: CSUMCOPY_LASTCHUNK(%o0,%o1,%g7,0x68,%g2,%g3,%g4,%g5)
CSUMCOPY_LASTCHUNK(%o0,%o1,%g7,0x28,%g2,%g3,%g4,%g5)
CSUMCOPY_LASTCHUNK(%o0,%o1,%g7,0x18,%g2,%g3,%g4,%g5)
CSUMCOPY_LASTCHUNK(%o0,%o1,%g7,0x08,%g2,%g3,%g4,%g5)
-12: EXT(cctbl, 12b) ! note for exception table handling
- addx %g0, %g7, %g7
+12: addx %g0, %g7, %g7
andcc %o3, 0xf, %g0 ! check for low bits set
ccte: bne cc_end_cruft ! something left, handle it out of band
andcc %o3, 8, %g0 ! begin checks for that code
@@ -367,7 +358,6 @@ ccdbl: CSUMCOPY_BIGCHUNK_ALIGNED(%o0,%o1,%g7,0x00,%o4,%o5,%g2,%g3,%g4,%g5,%o2,%o
CSUMCOPY_BIGCHUNK_ALIGNED(%o0,%o1,%g7,0x20,%o4,%o5,%g2,%g3,%g4,%g5,%o2,%o3)
CSUMCOPY_BIGCHUNK_ALIGNED(%o0,%o1,%g7,0x40,%o4,%o5,%g2,%g3,%g4,%g5,%o2,%o3)
CSUMCOPY_BIGCHUNK_ALIGNED(%o0,%o1,%g7,0x60,%o4,%o5,%g2,%g3,%g4,%g5,%o2,%o3)
-11: EXT(ccdbl, 11b) ! note for exception table handling
sub %g1, 128, %g1 ! detract from length
addx %g0, %g7, %g7 ! add in last carry bit
andcc %g1, 0xffffff80, %g0 ! more to csum?
diff --git a/arch/sparc/lib/copy_user.S b/arch/sparc/lib/copy_user.S
index dc72f2b970b7..954572c78539 100644
--- a/arch/sparc/lib/copy_user.S
+++ b/arch/sparc/lib/copy_user.S
@@ -21,98 +21,134 @@
/* Work around cpp -rob */
#define ALLOC #alloc
#define EXECINSTR #execinstr
+
+#define EX_ENTRY(l1, l2) \
+ .section __ex_table,ALLOC; \
+ .align 4; \
+ .word l1, l2; \
+ .text;
+
#define EX(x,y,a,b) \
98: x,y; \
.section .fixup,ALLOC,EXECINSTR; \
.align 4; \
-99: ba fixupretl; \
- a, b, %g3; \
- .section __ex_table,ALLOC; \
- .align 4; \
- .word 98b, 99b; \
- .text; \
- .align 4
+99: retl; \
+ a, b, %o0; \
+ EX_ENTRY(98b, 99b)
#define EX2(x,y,c,d,e,a,b) \
98: x,y; \
.section .fixup,ALLOC,EXECINSTR; \
.align 4; \
99: c, d, e; \
- ba fixupretl; \
- a, b, %g3; \
- .section __ex_table,ALLOC; \
- .align 4; \
- .word 98b, 99b; \
- .text; \
- .align 4
+ retl; \
+ a, b, %o0; \
+ EX_ENTRY(98b, 99b)
#define EXO2(x,y) \
98: x, y; \
- .section __ex_table,ALLOC; \
- .align 4; \
- .word 98b, 97f; \
- .text; \
- .align 4
+ EX_ENTRY(98b, 97f)
-#define EXT(start,end,handler) \
- .section __ex_table,ALLOC; \
- .align 4; \
- .word start, 0, end, handler; \
- .text; \
- .align 4
+#define LD(insn, src, offset, reg, label) \
+98: insn [%src + (offset)], %reg; \
+ .section .fixup,ALLOC,EXECINSTR; \
+99: ba label; \
+ mov offset, %g5; \
+ EX_ENTRY(98b, 99b)
-/* Please do not change following macros unless you change logic used
- * in .fixup at the end of this file as well
- */
+#define ST(insn, dst, offset, reg, label) \
+98: insn %reg, [%dst + (offset)]; \
+ .section .fixup,ALLOC,EXECINSTR; \
+99: ba label; \
+ mov offset, %g5; \
+ EX_ENTRY(98b, 99b)
/* Both these macros have to start with exactly the same insn */
+/* left: g7 + (g1 % 128) - offset */
#define MOVE_BIGCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, t7) \
- ldd [%src + (offset) + 0x00], %t0; \
- ldd [%src + (offset) + 0x08], %t2; \
- ldd [%src + (offset) + 0x10], %t4; \
- ldd [%src + (offset) + 0x18], %t6; \
- st %t0, [%dst + (offset) + 0x00]; \
- st %t1, [%dst + (offset) + 0x04]; \
- st %t2, [%dst + (offset) + 0x08]; \
- st %t3, [%dst + (offset) + 0x0c]; \
- st %t4, [%dst + (offset) + 0x10]; \
- st %t5, [%dst + (offset) + 0x14]; \
- st %t6, [%dst + (offset) + 0x18]; \
- st %t7, [%dst + (offset) + 0x1c];
-
+ LD(ldd, src, offset + 0x00, t0, bigchunk_fault) \
+ LD(ldd, src, offset + 0x08, t2, bigchunk_fault) \
+ LD(ldd, src, offset + 0x10, t4, bigchunk_fault) \
+ LD(ldd, src, offset + 0x18, t6, bigchunk_fault) \
+ ST(st, dst, offset + 0x00, t0, bigchunk_fault) \
+ ST(st, dst, offset + 0x04, t1, bigchunk_fault) \
+ ST(st, dst, offset + 0x08, t2, bigchunk_fault) \
+ ST(st, dst, offset + 0x0c, t3, bigchunk_fault) \
+ ST(st, dst, offset + 0x10, t4, bigchunk_fault) \
+ ST(st, dst, offset + 0x14, t5, bigchunk_fault) \
+ ST(st, dst, offset + 0x18, t6, bigchunk_fault) \
+ ST(st, dst, offset + 0x1c, t7, bigchunk_fault)
+
+/* left: g7 + (g1 % 128) - offset */
#define MOVE_BIGALIGNCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, t7) \
- ldd [%src + (offset) + 0x00], %t0; \
- ldd [%src + (offset) + 0x08], %t2; \
- ldd [%src + (offset) + 0x10], %t4; \
- ldd [%src + (offset) + 0x18], %t6; \
- std %t0, [%dst + (offset) + 0x00]; \
- std %t2, [%dst + (offset) + 0x08]; \
- std %t4, [%dst + (offset) + 0x10]; \
- std %t6, [%dst + (offset) + 0x18];
+ LD(ldd, src, offset + 0x00, t0, bigchunk_fault) \
+ LD(ldd, src, offset + 0x08, t2, bigchunk_fault) \
+ LD(ldd, src, offset + 0x10, t4, bigchunk_fault) \
+ LD(ldd, src, offset + 0x18, t6, bigchunk_fault) \
+ ST(std, dst, offset + 0x00, t0, bigchunk_fault) \
+ ST(std, dst, offset + 0x08, t2, bigchunk_fault) \
+ ST(std, dst, offset + 0x10, t4, bigchunk_fault) \
+ ST(std, dst, offset + 0x18, t6, bigchunk_fault)
+ .section .fixup,#alloc,#execinstr
+bigchunk_fault:
+ sub %g7, %g5, %o0
+ and %g1, 127, %g1
+ retl
+ add %o0, %g1, %o0
+
+/* left: offset + 16 + (g1 % 16) */
#define MOVE_LASTCHUNK(src, dst, offset, t0, t1, t2, t3) \
- ldd [%src - (offset) - 0x10], %t0; \
- ldd [%src - (offset) - 0x08], %t2; \
- st %t0, [%dst - (offset) - 0x10]; \
- st %t1, [%dst - (offset) - 0x0c]; \
- st %t2, [%dst - (offset) - 0x08]; \
- st %t3, [%dst - (offset) - 0x04];
+ LD(ldd, src, -(offset + 0x10), t0, lastchunk_fault) \
+ LD(ldd, src, -(offset + 0x08), t2, lastchunk_fault) \
+ ST(st, dst, -(offset + 0x10), t0, lastchunk_fault) \
+ ST(st, dst, -(offset + 0x0c), t1, lastchunk_fault) \
+ ST(st, dst, -(offset + 0x08), t2, lastchunk_fault) \
+ ST(st, dst, -(offset + 0x04), t3, lastchunk_fault)
-#define MOVE_HALFCHUNK(src, dst, offset, t0, t1, t2, t3) \
- lduh [%src + (offset) + 0x00], %t0; \
- lduh [%src + (offset) + 0x02], %t1; \
- lduh [%src + (offset) + 0x04], %t2; \
- lduh [%src + (offset) + 0x06], %t3; \
- sth %t0, [%dst + (offset) + 0x00]; \
- sth %t1, [%dst + (offset) + 0x02]; \
- sth %t2, [%dst + (offset) + 0x04]; \
- sth %t3, [%dst + (offset) + 0x06];
+ .section .fixup,#alloc,#execinstr
+lastchunk_fault:
+ and %g1, 15, %g1
+ retl
+ sub %g1, %g5, %o0
+/* left: o3 + (o2 % 16) - offset */
+#define MOVE_HALFCHUNK(src, dst, offset, t0, t1, t2, t3) \
+ LD(lduh, src, offset + 0x00, t0, halfchunk_fault) \
+ LD(lduh, src, offset + 0x02, t1, halfchunk_fault) \
+ LD(lduh, src, offset + 0x04, t2, halfchunk_fault) \
+ LD(lduh, src, offset + 0x06, t3, halfchunk_fault) \
+ ST(sth, dst, offset + 0x00, t0, halfchunk_fault) \
+ ST(sth, dst, offset + 0x02, t1, halfchunk_fault) \
+ ST(sth, dst, offset + 0x04, t2, halfchunk_fault) \
+ ST(sth, dst, offset + 0x06, t3, halfchunk_fault)
+
+/* left: o3 + (o2 % 16) + offset + 2 */
#define MOVE_SHORTCHUNK(src, dst, offset, t0, t1) \
- ldub [%src - (offset) - 0x02], %t0; \
- ldub [%src - (offset) - 0x01], %t1; \
- stb %t0, [%dst - (offset) - 0x02]; \
- stb %t1, [%dst - (offset) - 0x01];
+ LD(ldub, src, -(offset + 0x02), t0, halfchunk_fault) \
+ LD(ldub, src, -(offset + 0x01), t1, halfchunk_fault) \
+ ST(stb, dst, -(offset + 0x02), t0, halfchunk_fault) \
+ ST(stb, dst, -(offset + 0x01), t1, halfchunk_fault)
+
+ .section .fixup,#alloc,#execinstr
+halfchunk_fault:
+ and %o2, 15, %o2
+ sub %o3, %g5, %o3
+ retl
+ add %o2, %o3, %o0
+
+/* left: offset + 2 + (o2 % 2) */
+#define MOVE_LAST_SHORTCHUNK(src, dst, offset, t0, t1) \
+ LD(ldub, src, -(offset + 0x02), t0, last_shortchunk_fault) \
+ LD(ldub, src, -(offset + 0x01), t1, last_shortchunk_fault) \
+ ST(stb, dst, -(offset + 0x02), t0, last_shortchunk_fault) \
+ ST(stb, dst, -(offset + 0x01), t1, last_shortchunk_fault)
+
+ .section .fixup,#alloc,#execinstr
+last_shortchunk_fault:
+ and %o2, 1, %o2
+ retl
+ sub %o2, %g5, %o0
.text
.align 4
@@ -182,8 +218,6 @@ __copy_user: /* %o0=dst %o1=src %o2=len */
MOVE_BIGCHUNK(o1, o0, 0x20, o2, o3, o4, o5, g2, g3, g4, g5)
MOVE_BIGCHUNK(o1, o0, 0x40, o2, o3, o4, o5, g2, g3, g4, g5)
MOVE_BIGCHUNK(o1, o0, 0x60, o2, o3, o4, o5, g2, g3, g4, g5)
-80:
- EXT(5b, 80b, 50f)
subcc %g7, 128, %g7
add %o1, 128, %o1
bne 5b
@@ -201,7 +235,6 @@ __copy_user: /* %o0=dst %o1=src %o2=len */
jmpl %o5 + %lo(copy_user_table_end), %g0
add %o0, %g7, %o0
-copy_user_table:
MOVE_LASTCHUNK(o1, o0, 0x60, g2, g3, g4, g5)
MOVE_LASTCHUNK(o1, o0, 0x50, g2, g3, g4, g5)
MOVE_LASTCHUNK(o1, o0, 0x40, g2, g3, g4, g5)
@@ -210,7 +243,6 @@ copy_user_table:
MOVE_LASTCHUNK(o1, o0, 0x10, g2, g3, g4, g5)
MOVE_LASTCHUNK(o1, o0, 0x00, g2, g3, g4, g5)
copy_user_table_end:
- EXT(copy_user_table, copy_user_table_end, 51f)
be copy_user_last7
andcc %g1, 4, %g0
@@ -250,8 +282,6 @@ ldd_std:
MOVE_BIGALIGNCHUNK(o1, o0, 0x20, o2, o3, o4, o5, g2, g3, g4, g5)
MOVE_BIGALIGNCHUNK(o1, o0, 0x40, o2, o3, o4, o5, g2, g3, g4, g5)
MOVE_BIGALIGNCHUNK(o1, o0, 0x60, o2, o3, o4, o5, g2, g3, g4, g5)
-81:
- EXT(ldd_std, 81b, 52f)
subcc %g7, 128, %g7
add %o1, 128, %o1
bne ldd_std
@@ -290,8 +320,6 @@ cannot_optimize:
10:
MOVE_HALFCHUNK(o1, o0, 0x00, g2, g3, g4, g5)
MOVE_HALFCHUNK(o1, o0, 0x08, g2, g3, g4, g5)
-82:
- EXT(10b, 82b, 53f)
subcc %o3, 0x10, %o3
add %o1, 0x10, %o1
bne 10b
@@ -308,8 +336,6 @@ byte_chunk:
MOVE_SHORTCHUNK(o1, o0, -0x0c, g2, g3)
MOVE_SHORTCHUNK(o1, o0, -0x0e, g2, g3)
MOVE_SHORTCHUNK(o1, o0, -0x10, g2, g3)
-83:
- EXT(byte_chunk, 83b, 54f)
subcc %o3, 0x10, %o3
add %o1, 0x10, %o1
bne byte_chunk
@@ -325,16 +351,14 @@ short_end:
add %o1, %o3, %o1
jmpl %o5 + %lo(short_table_end), %g0
andcc %o2, 1, %g0
-84:
- MOVE_SHORTCHUNK(o1, o0, 0x0c, g2, g3)
- MOVE_SHORTCHUNK(o1, o0, 0x0a, g2, g3)
- MOVE_SHORTCHUNK(o1, o0, 0x08, g2, g3)
- MOVE_SHORTCHUNK(o1, o0, 0x06, g2, g3)
- MOVE_SHORTCHUNK(o1, o0, 0x04, g2, g3)
- MOVE_SHORTCHUNK(o1, o0, 0x02, g2, g3)
- MOVE_SHORTCHUNK(o1, o0, 0x00, g2, g3)
+ MOVE_LAST_SHORTCHUNK(o1, o0, 0x0c, g2, g3)
+ MOVE_LAST_SHORTCHUNK(o1, o0, 0x0a, g2, g3)
+ MOVE_LAST_SHORTCHUNK(o1, o0, 0x08, g2, g3)
+ MOVE_LAST_SHORTCHUNK(o1, o0, 0x06, g2, g3)
+ MOVE_LAST_SHORTCHUNK(o1, o0, 0x04, g2, g3)
+ MOVE_LAST_SHORTCHUNK(o1, o0, 0x02, g2, g3)
+ MOVE_LAST_SHORTCHUNK(o1, o0, 0x00, g2, g3)
short_table_end:
- EXT(84b, short_table_end, 55f)
be 1f
nop
EX(ldub [%o1], %g2, add %g0, 1)
@@ -363,123 +387,8 @@ short_aligned_end:
.section .fixup,#alloc,#execinstr
.align 4
97:
- mov %o2, %g3
-fixupretl:
retl
- mov %g3, %o0
-
-/* exception routine sets %g2 to (broken_insn - first_insn)>>2 */
-50:
-/* This magic counts how many bytes are left when crash in MOVE_BIGCHUNK
- * happens. This is derived from the amount ldd reads, st stores, etc.
- * x = g2 % 12;
- * g3 = g1 + g7 - ((g2 / 12) * 32 + (x < 4) ? 0 : (x - 4) * 4);
- * o0 += (g2 / 12) * 32;
- */
- cmp %g2, 12
- add %o0, %g7, %o0
- bcs 1f
- cmp %g2, 24
- bcs 2f
- cmp %g2, 36
- bcs 3f
- nop
- sub %g2, 12, %g2
- sub %g7, 32, %g7
-3: sub %g2, 12, %g2
- sub %g7, 32, %g7
-2: sub %g2, 12, %g2
- sub %g7, 32, %g7
-1: cmp %g2, 4
- bcs,a 60f
- clr %g2
- sub %g2, 4, %g2
- sll %g2, 2, %g2
-60: and %g1, 0x7f, %g3
- sub %o0, %g7, %o0
- add %g3, %g7, %g3
- ba fixupretl
- sub %g3, %g2, %g3
-51:
-/* i = 41 - g2; j = i % 6;
- * g3 = (g1 & 15) + (i / 6) * 16 + (j < 4) ? (j + 1) * 4 : 16;
- * o0 -= (i / 6) * 16 + 16;
- */
- neg %g2
- and %g1, 0xf, %g1
- add %g2, 41, %g2
- add %o0, %g1, %o0
-1: cmp %g2, 6
- bcs,a 2f
- cmp %g2, 4
- add %g1, 16, %g1
- b 1b
- sub %g2, 6, %g2
-2: bcc,a 2f
- mov 16, %g2
- inc %g2
- sll %g2, 2, %g2
-2: add %g1, %g2, %g3
- ba fixupretl
- sub %o0, %g3, %o0
-52:
-/* g3 = g1 + g7 - (g2 / 8) * 32 + (g2 & 4) ? (g2 & 3) * 8 : 0;
- o0 += (g2 / 8) * 32 */
- andn %g2, 7, %g4
- add %o0, %g7, %o0
- andcc %g2, 4, %g0
- and %g2, 3, %g2
- sll %g4, 2, %g4
- sll %g2, 3, %g2
- bne 60b
- sub %g7, %g4, %g7
- ba 60b
- clr %g2
-53:
-/* g3 = o3 + (o2 & 15) - (g2 & 8) - (g2 & 4) ? (g2 & 3) * 2 : 0;
- o0 += (g2 & 8) */
- and %g2, 3, %g4
- andcc %g2, 4, %g0
- and %g2, 8, %g2
- sll %g4, 1, %g4
- be 1f
- add %o0, %g2, %o0
- add %g2, %g4, %g2
-1: and %o2, 0xf, %g3
- add %g3, %o3, %g3
- ba fixupretl
- sub %g3, %g2, %g3
-54:
-/* g3 = o3 + (o2 & 15) - (g2 / 4) * 2 - (g2 & 2) ? (g2 & 1) : 0;
- o0 += (g2 / 4) * 2 */
- srl %g2, 2, %o4
- and %g2, 1, %o5
- srl %g2, 1, %g2
- add %o4, %o4, %o4
- and %o5, %g2, %o5
- and %o2, 0xf, %o2
- add %o0, %o4, %o0
- sub %o3, %o5, %o3
- sub %o2, %o4, %o2
- ba fixupretl
- add %o2, %o3, %g3
-55:
-/* i = 27 - g2;
- g3 = (o2 & 1) + i / 4 * 2 + !(i & 3);
- o0 -= i / 4 * 2 + 1 */
- neg %g2
- and %o2, 1, %o2
- add %g2, 27, %g2
- srl %g2, 2, %o5
- andcc %g2, 3, %g0
- mov 1, %g2
- add %o5, %o5, %o5
- be,a 1f
- clr %g2
-1: add %g2, %o5, %g3
- sub %o0, %g3, %o0
- ba fixupretl
- add %g3, %o2, %g3
+ mov %o2, %o0
.globl __copy_user_end
__copy_user_end:
diff --git a/arch/sparc/lib/memset.S b/arch/sparc/lib/memset.S
index f427f34b8b79..eaff68213fdf 100644
--- a/arch/sparc/lib/memset.S
+++ b/arch/sparc/lib/memset.S
@@ -19,7 +19,7 @@
98: x,y; \
.section .fixup,ALLOC,EXECINSTR; \
.align 4; \
-99: ba 30f; \
+99: retl; \
a, b, %o0; \
.section __ex_table,ALLOC; \
.align 4; \
@@ -27,35 +27,44 @@
.text; \
.align 4
-#define EXT(start,end,handler) \
+#define STORE(source, base, offset, n) \
+98: std source, [base + offset + n]; \
+ .section .fixup,ALLOC,EXECINSTR; \
+ .align 4; \
+99: ba 30f; \
+ sub %o3, n - offset, %o3; \
.section __ex_table,ALLOC; \
.align 4; \
- .word start, 0, end, handler; \
+ .word 98b, 99b; \
.text; \
- .align 4
+ .align 4;
+
+#define STORE_LAST(source, base, offset, n) \
+ EX(std source, [base - offset - n], \
+ add %o1, offset + n);
/* Please don't change these macros, unless you change the logic
* in the .fixup section below as well.
* Store 64 bytes at (BASE + OFFSET) using value SOURCE. */
-#define ZERO_BIG_BLOCK(base, offset, source) \
- std source, [base + offset + 0x00]; \
- std source, [base + offset + 0x08]; \
- std source, [base + offset + 0x10]; \
- std source, [base + offset + 0x18]; \
- std source, [base + offset + 0x20]; \
- std source, [base + offset + 0x28]; \
- std source, [base + offset + 0x30]; \
- std source, [base + offset + 0x38];
+#define ZERO_BIG_BLOCK(base, offset, source) \
+ STORE(source, base, offset, 0x00); \
+ STORE(source, base, offset, 0x08); \
+ STORE(source, base, offset, 0x10); \
+ STORE(source, base, offset, 0x18); \
+ STORE(source, base, offset, 0x20); \
+ STORE(source, base, offset, 0x28); \
+ STORE(source, base, offset, 0x30); \
+ STORE(source, base, offset, 0x38);
#define ZERO_LAST_BLOCKS(base, offset, source) \
- std source, [base - offset - 0x38]; \
- std source, [base - offset - 0x30]; \
- std source, [base - offset - 0x28]; \
- std source, [base - offset - 0x20]; \
- std source, [base - offset - 0x18]; \
- std source, [base - offset - 0x10]; \
- std source, [base - offset - 0x08]; \
- std source, [base - offset - 0x00];
+ STORE_LAST(source, base, offset, 0x38); \
+ STORE_LAST(source, base, offset, 0x30); \
+ STORE_LAST(source, base, offset, 0x28); \
+ STORE_LAST(source, base, offset, 0x20); \
+ STORE_LAST(source, base, offset, 0x18); \
+ STORE_LAST(source, base, offset, 0x10); \
+ STORE_LAST(source, base, offset, 0x08); \
+ STORE_LAST(source, base, offset, 0x00);
.text
.align 4
@@ -68,8 +77,6 @@ __bzero_begin:
.globl memset
EXPORT_SYMBOL(__bzero)
EXPORT_SYMBOL(memset)
- .globl __memset_start, __memset_end
-__memset_start:
memset:
mov %o0, %g1
mov 1, %g4
@@ -122,8 +129,6 @@ __bzero:
ZERO_BIG_BLOCK(%o0, 0x00, %g2)
subcc %o3, 128, %o3
ZERO_BIG_BLOCK(%o0, 0x40, %g2)
-11:
- EXT(10b, 11b, 20f)
bne 10b
add %o0, 128, %o0
@@ -138,11 +143,9 @@ __bzero:
jmp %o4
add %o0, %o2, %o0
-12:
ZERO_LAST_BLOCKS(%o0, 0x48, %g2)
ZERO_LAST_BLOCKS(%o0, 0x08, %g2)
13:
- EXT(12b, 13b, 21f)
be 8f
andcc %o1, 4, %g0
@@ -182,37 +185,13 @@ __bzero:
5:
retl
clr %o0
-__memset_end:
.section .fixup,#alloc,#execinstr
.align 4
-20:
- cmp %g2, 8
- bleu 1f
- and %o1, 0x7f, %o1
- sub %g2, 9, %g2
- add %o3, 64, %o3
-1:
- sll %g2, 3, %g2
- add %o3, %o1, %o0
- b 30f
- sub %o0, %g2, %o0
-21:
- mov 8, %o0
- and %o1, 7, %o1
- sub %o0, %g2, %o0
- sll %o0, 3, %o0
- b 30f
- add %o0, %o1, %o0
30:
-/* %o4 is faulting address, %o5 is %pc where fault occurred */
- save %sp, -104, %sp
- mov %i5, %o0
- mov %i7, %o1
- call lookup_fault
- mov %i4, %o2
- ret
- restore
+ and %o1, 0x7f, %o1
+ retl
+ add %o3, %o1, %o0
.globl __bzero_end
__bzero_end:
diff --git a/arch/sparc/mm/Makefile b/arch/sparc/mm/Makefile
index 68db1f859b02..871354aa3c00 100644
--- a/arch/sparc/mm/Makefile
+++ b/arch/sparc/mm/Makefile
@@ -8,7 +8,7 @@ ccflags-y := -Werror
obj-$(CONFIG_SPARC64) += ultra.o tlb.o tsb.o
obj-y += fault_$(BITS).o
obj-y += init_$(BITS).o
-obj-$(CONFIG_SPARC32) += extable.o srmmu.o iommu.o io-unit.o
+obj-$(CONFIG_SPARC32) += srmmu.o iommu.o io-unit.o
obj-$(CONFIG_SPARC32) += srmmu_access.o
obj-$(CONFIG_SPARC32) += hypersparc.o viking.o tsunami.o swift.o
obj-$(CONFIG_SPARC32) += leon_mm.o
diff --git a/arch/sparc/mm/extable.c b/arch/sparc/mm/extable.c
deleted file mode 100644
index 241b40641873..000000000000
--- a/arch/sparc/mm/extable.c
+++ /dev/null
@@ -1,107 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * linux/arch/sparc/mm/extable.c
- */
-
-#include <linux/module.h>
-#include <linux/extable.h>
-#include <linux/uaccess.h>
-
-void sort_extable(struct exception_table_entry *start,
- struct exception_table_entry *finish)
-{
-}
-
-/* Caller knows they are in a range if ret->fixup == 0 */
-const struct exception_table_entry *
-search_extable(const struct exception_table_entry *base,
- const size_t num,
- unsigned long value)
-{
- int i;
-
- /* Single insn entries are encoded as:
- * word 1: insn address
- * word 2: fixup code address
- *
- * Range entries are encoded as:
- * word 1: first insn address
- * word 2: 0
- * word 3: last insn address + 4 bytes
- * word 4: fixup code address
- *
- * Deleted entries are encoded as:
- * word 1: unused
- * word 2: -1
- *
- * See asm/uaccess.h