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2017-06-02scripts/gdb: make lx-dmesg command work (reliably)André Draszik1-4/+5
lx-dmesg needs access to the log_buf symbol from printk.c. Unfortunately, the symbol log_buf also exists in BPF's verifier.c and hence gdb can pick one or the other. If it happens to pick BPF's log_buf, lx-dmesg doesn't work: (gdb) lx-dmesg Python Exception <class 'gdb.MemoryError'> Cannot access memory at address 0x0: Error occurred in Python command: Cannot access memory at address 0x0 (gdb) p log_buf $15 = 0x0 Luckily, GDB has a way to deal with this, see https://sourceware.org/gdb/onlinedocs/gdb/Symbols.html (gdb) info variables ^log_buf$ All variables matching regular expression "^log_buf$": File <linux.git>/kernel/bpf/verifier.c: static char *log_buf; File <linux.git>/kernel/printk/printk.c: static char *log_buf; (gdb) p 'verifier.c'::log_buf $1 = 0x0 (gdb) p 'printk.c'::log_buf $2 = 0x811a6aa0 <__log_buf> "" (gdb) p &log_buf $3 = (char **) 0x8120fe40 <log_buf> (gdb) p &'verifier.c'::log_buf $4 = (char **) 0x8120fe40 <log_buf> (gdb) p &'printk.c'::log_buf $5 = (char **) 0x8048b7d0 <log_buf> By being explicit about the location of the symbol, we can make lx-dmesg work again. While at it, do the same for the other symbols we need from printk.c Link: http://lkml.kernel.org/r/20170526112222.3414-1-git@andred.net Signed-off-by: André Draszik <git@andred.net> Tested-by: Kieran Bingham <kieran@bingham.xyz> Acked-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-05-19Merge tag 'devicetree-fixes-for-4.12' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull DeviceTree fixes from Rob Herring: - fix missing allocation failure handling in fdt code - fix dtc compile error on 32-bit hosts - revert bad sparse changes causing GCC7 warnings * tag 'devicetree-fixes-for-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: of: fdt: add missing allocation-failure check dtc: check.c fix compile error Partially Revert "of: fix sparse warnings in fdt, irq, reserved mem, and resolver code"
2017-05-19Merge tag 'armsoc-fixes' of ↵Linus Torvalds16-1/+16
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Olof Johansson: "We had a small batch of fixes before -rc1, but here is a larger one. It contains a backmerge of 4.12-rc1 since some of the downstream branches we merge had that as base; at the same time we already had merged contents before -rc1 and rebase wasn't the right solution. A mix of random smaller fixes and a few things worth pointing out: - We've started telling people to avoid cross-tree shared branches if all they're doing is picking up one or two DT-used constants from a shared include file, and instead to use the numeric values on first submission. Follow-up moving over to symbolic names are sent in right after -rc1, i.e. here. It's only a few minor patches of this type. - Linus Walleij and others are resurrecting the 'Gemini' platform, and wanted a cut-down platform-specific defconfig for it. So I picked that up for them. - Rob Herring ran 'savedefconfig' on arm64, it's a bit churny but it helps people to prepare patches since it's a pain when defconfig and current savedefconfig contents differs too much. - Devicetree additions for some pinctrl drivers for Armada that were merged this window. I'd have preferred to see those earlier but it's not a huge deail. The biggest change worth pointing out though since it's touching other parts of the tree: We added prefixes to be used when cross-including DT contents between arm64 and arm, allowing someone to #include <arm/foo.dtsi> from arm64, and likewise. As part of that, we needed arm/foo.dtsi to work on arm as well. The way I suggested this to Heiko resulted in a recursive symlink. Instead, I've now moved it out of arch/*/boot/dts/include, into a shared location under scripts/dtc. While I was at it, I consolidated so all architectures now behave the same way in this manner. Rob Herring (DT maintainer) has acked it. I cc:d most other arch maintainers but nobody seems to care much; it doesn't really affect them since functionality is unchanged for them by default" * tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (29 commits) arm64: dts: rockchip: fix include reference firmware: ti_sci: fix strncat length check ARM: remove duplicate 'const' annotations' arm64: defconfig: enable options needed for QCom DB410c board arm64: defconfig: sync with savedefconfig ARM: configs: add a gemini defconfig devicetree: Move include prefixes from arch to separate directory ARM: dts: dra7: Reduce cpu thermal shutdown temperature memory: omap-gpmc: Fix debug output for access width ARM: dts: LogicPD Torpedo: Fix camera pin mux ARM: dts: omap4: enable CEC pin for Pandaboard A4 and ES ARM: dts: gta04: fix polarity of clocks for mcbsp4 ARM: dts: dra7: Add power hold and power controller properties to palmas soc: imx: add PM dependency for IMX7_PM_DOMAINS ARM: dts: imx6sx-sdb: Remove OPP override ARM: dts: imx53-qsrb: Pulldown PMIC IRQ pin soc: bcm: brcmstb: Correctly match 7435 SoC tee: add ARM_SMCCC dependency ARM: omap2+: make omap4_get_cpu1_ns_pa_addr declaration usable ARM64: dts: mediatek: configure some fixed mmc parameters ...
2017-05-18devicetree: Move include prefixes from arch to separate directoryOlof Johansson16-1/+16
We use a directory under arch/$ARCH/boot/dts as an include path that has links outside of the subtree to find dt-bindings from under include/dt-bindings. That's been working well, but new DT architectures haven't been adding them by default. Recently there's been a desire to share some of the DT material between arm and arm64, which originally caused developers to create symlinks or relative includes between the subtrees. This isn't ideal -- it breaks if the DT files aren't stored in the exact same hierarchy as the kernel tree, and generally it's just icky. As a somewhat cleaner solution we decided to add a $ARCH/ prefix link once, and allow DTS files to reference dtsi (and dts) files in other architectures that way. Original approach was to create these links under each architecture, but it lead to the problem of recursive symlinks. As a remedy, move the include link directories out of the architecture trees into a common location. At the same time, they can now share one directory and one dt-bindings/ link as well. Fixes: 4027494ae6e3 ('ARM: dts: add arm/arm64 include symlinks') Reported-by: Russell King <linux@armlinux.org.uk> Reported-by: Omar Sandoval <osandov@osandov.com> Reviewed-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com> Tested-by: Heiko Stuebner <heiko@sntech.de> Acked-by: Rob Herring <robh@kernel.org> Cc: Heiko Stuebner <heiko@sntech.de> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Mikael Starvik <starvik@axis.com> Cc: Jesper Nilsson <jesper.nilsson@axis.com> Cc: James Hogan <james.hogan@imgtec.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Frank Rowand <frowand.list@gmail.com> Cc: linux-arch <linux-arch@vger.kernel.org> Signed-off-by: Olof Johansson <olof@lixom.net>
2017-05-18kbuild: skip install/check of headers right under uapi directoriesMasahiro Yamada1-16/+27
Since commit 61562f981e92 ("uapi: export all arch specifics directories"), "make INSTALL_HDR_PATH=$root/usr headers_install" deletes standard glibc headers and others in $(root)/usr/include. The cause of the issue is that headers_install now starts descending from arch/$(hdr-arch)/include/uapi with $(root)/usr/include for its destination when installing asm headers. So, headers already there are assumed to be unwanted. When headers_install starts descending from include/uapi with $(root)/usr/include for its destination, it works around the problem by creating an dummy destination $(root)/usr/include/uapi, but this is tricky. To fix the problem in a clean way is to skip headers install/check in include/uapi and arch/$(hdr-arch)/include/uapi because we know there are only sub-directories in uapi directories. A good side effect is the empty destination $(root)/usr/include/uapi will go away. I am also removing the trailing slash in the headers_check target to skip checking in arch/$(hdr-arch)/include/uapi. Fixes: 61562f981e92 ("uapi: export all arch specifics directories") Reported-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Tested-by: Dan Williams <dan.j.williams@intel.com> Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
2017-05-17dtc: check.c fix compile errorShuah Khan1-1/+1
Fix the following compile error found on odroid-xu4: checks.c: In function ‘check_simple_bus_reg’: checks.c:876:41: error: format ‘%lx’ expects argument of type ‘long unsigned int’, but argument 4 has type ‘uint64_t{aka long long unsigned int}’ [-Werror=format=] snprintf(unit_addr, sizeof(unit_addr), "%lx", reg); ^ checks.c:876:41: error: format ‘%lx’ expects argument of type ‘long unsigned int’, but argument 4 has type ‘uint64_t {aka long long unsigned int}’ [-Werror=format=] cc1: all warnings being treated as errors Makefile:304: recipe for target 'checks.o' failed make: *** [checks.o] Error 1 Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> [dwg: Correct new format to be correct in general] Signed-off-by: David Gibson <david@gibson.dropbear.id.au> [robh: cherry-picked from upstream dtc commit 2a42b14d0d03] Signed-off-by: Rob Herring <robh@kernel.org>
2017-05-10Merge tag 'kbuild-uapi-v4.12' of ↵Linus Torvalds1-38/+30
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild UAPI updates from Masahiro Yamada: "Improvement of headers_install by Nicolas Dichtel. It has been long since the introduction of uapi directories, but the de-coupling of exported headers has not been completed. Headers listed in header-y are exported whether they exist in uapi directories or not. His work fixes this inconsistency. All (and only) headers under uapi directories are now exported. The asm-generic wrappers are still exceptions, but this is a big step forward" * tag 'kbuild-uapi-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: arch/include: remove empty Kbuild files uapi: export all arch specifics directories uapi: export all headers under uapi directories smc_diag.h: fix include from userland btrfs_tree.h: fix include from userland uapi: includes linux/types.h before exporting files Makefile.headersinst: remove destination-y option Makefile.headersinst: cleanup input files x86: stop exporting msr-index.h to userland nios2: put setup.h in uapi h8300: put bitsperlong.h in uapi
2017-05-10Merge tag 'kbuild-misc-v4.12' of ↵Linus Torvalds2-14/+7
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull misc Kbuild updates from Masahiro Yamada: - clean up builddeb script - use full path for KBUILD_IMAGE to fix rpm-pkg build - fix objdiff tool to ignore debug info * tag 'kbuild-misc-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: builddeb: fix typo builddeb: Update a few outdated and hardcoded strings deb-pkg: Remove the KBUILD_IMAGE workaround unicore32: Use full path in KBUILD_IMAGE definition sh: Use full path in KBUILD_IMAGE definition arc: Use full path in KBUILD_IMAGE definition arm: Use full path in KBUILD_IMAGE definition arm64: Use full path in KBUILD_IMAGE definition scripts: objdiff: Ignore debug info when comparing
2017-05-10Merge tag 'kbuild-v4.12' of ↵Linus Torvalds8-282/+280
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild updates from Masahiro Yamada: - improve Clang support - clean up various Makefiles - improve build log visibility (objtool, alpha, ia64) - improve compiler flag evaluation for better build performance - fix GCC version-dependent warning - fix genksyms * tag 'kbuild-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (23 commits) kbuild: dtbinst: remove unnecessary __dtbs_install_prep target ia64: beatify build log for gate.so and gate-syms.o alpha: make short build log available for division routines alpha: merge build rules of division routines alpha: add $(src)/ rather than $(obj)/ to make source file path Makefile: evaluate LDFLAGS_BUILD_ID only once objtool: make it visible in make V=1 output kbuild: clang: add -no-integrated-as to KBUILD_[AC]FLAGS kbuild: Add support to generate LLVM assembly files kbuild: Add better clang cross build support kbuild: drop -Wno-unknown-warning-option from clang options kbuild: fix asm-offset generation to work with clang kbuild: consolidate redundant sed script ASM offset generation frv: Use OFFSET macro in DEF_*REG() kbuild: avoid conflict between -ffunction-sections and -pg on gcc-4.7 kbuild: Consolidate header generation from ASM offset information kbuild: use -Oz instead of -Os when using clang kbuild, LLVMLinux: Add -Werror to cc-option to support clang Kbuild: make designated_init attribute fatal kbuild: drop unneeded patterns '.*.orig' and '.*.rej' from distclean ...
2017-05-11uapi: export all arch specifics directoriesNicolas Dichtel1-2/+1
This patch removes the need of subdir-y. Now all files/directories under arch/<arch>/include/uapi/ are exported. The only change for userland is the layout of the command 'make headers_install_all': directories asm-<arch> are replaced by arch-<arch>/. Those new directories contains all files/directories of the specified arch. Note that only cris and tile have more directories than only asm: - arch-v[10|32] for cris; - arch for tile. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-05-11uapi: export all headers under uapi directoriesNicolas Dichtel1-26/+29
Regularly, when a new header is created in include/uapi/, the developer forgets to add it in the corresponding Kbuild file. This error is usually detected after the release is out. In fact, all headers under uapi directories should be exported, thus it's useless to have an exhaustive list. After this patch, the following files, which were not exported, are now exported (with make headers_install_all): asm-arc/kvm_para.h asm-arc/ucontext.h asm-blackfin/shmparam.h asm-blackfin/ucontext.h asm-c6x/shmparam.h asm-c6x/ucontext.h asm-cris/kvm_para.h asm-h8300/shmparam.h asm-h8300/ucontext.h asm-hexagon/shmparam.h asm-m32r/kvm_para.h asm-m68k/kvm_para.h asm-m68k/shmparam.h asm-metag/kvm_para.h asm-metag/shmparam.h asm-metag/ucontext.h asm-mips/hwcap.h asm-mips/reg.h asm-mips/ucontext.h asm-nios2/kvm_para.h asm-nios2/ucontext.h asm-openrisc/shmparam.h asm-parisc/kvm_para.h asm-powerpc/perf_regs.h asm-sh/kvm_para.h asm-sh/ucontext.h asm-tile/shmparam.h asm-unicore32/shmparam.h asm-unicore32/ucontext.h asm-x86/hwcap2.h asm-xtensa/kvm_para.h drm/armada_drm.h drm/etnaviv_drm.h drm/vgem_drm.h linux/aspeed-lpc-ctrl.h linux/auto_dev-ioctl.h linux/bcache.h linux/btrfs_tree.h linux/can/vxcan.h linux/cifs/cifs_mount.h linux/coresight-stm.h linux/cryptouser.h linux/fsmap.h linux/genwqe/genwqe_card.h linux/hash_info.h linux/kcm.h linux/kcov.h linux/kfd_ioctl.h linux/lightnvm.h linux/module.h linux/nbd-netlink.h linux/nilfs2_api.h linux/nilfs2_ondisk.h linux/nsfs.h linux/pr.h linux/qrtr.h linux/rpmsg.h linux/sched/types.h linux/sed-opal.h linux/smc.h linux/smc_diag.h linux/stm.h linux/switchtec_ioctl.h linux/vfio_ccw.h linux/wil6210_uapi.h rdma/bnxt_re-abi.h Note that I have removed from this list the files which are generated in every exported directories (like .install or .install.cmd). Thanks to Julien Floret <julien.floret@6wind.com> for the tip to get all subdirs with a pure makefile command. For the record, note that exported files for asm directories are a mix of files listed by: - include/uapi/asm-generic/Kbuild.asm; - arch/<arch>/include/uapi/asm/Kbuild; - arch/<arch>/include/asm/Kbuild. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by: Russell King <rmk+kernel@armlinux.org.uk> Acked-by: Mark Salter <msalter@redhat.com> Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc) Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-05-11Makefile.headersinst: remove destination-y optionNicolas Dichtel1-1/+1
This option was added in commit c7bb349e7c25 ("kbuild: introduce destination-y for exported headers") but never used in-tree. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Acked-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-05-11Makefile.headersinst: cleanup input filesNicolas Dichtel1-24/+14
After the last three patches, all exported headers are under uapi/, thus input-files2 are not needed anymore. The side effect is that input-files1-name is exactly header-y. Note also that input-files3-name is genhdr-y. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-05-08treewide: spelling: correct diffrent[iate] and banlance typosJoe Perches1-0/+3
Add these misspellings to scripts/spelling.txt too Link: http://lkml.kernel.org/r/962aace119675e5fe87be2a88ddac1a5486f8e60.1490931810.git.joe@perches.com Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-05-08scripts/spelling.txt: add "intialise(d)" pattern and fix typo instancesMasahiro Yamada1-0/+3
Fix typos and add the following to the scripts/spelling.txt: intialisation||initialisation intialised||initialised intialise||initialise This commit does not intend to change the British spelling itself. Link: http://lkml.kernel.org/r/1481573103-11329-18-git-send-email-yamada.masahiro@socionext.com Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-05-08scripts/spelling.txt: add regsiter -> register spelling mistakeStephen Boyd1-0/+1
This typo is quite common. Fix it and add it to the spelling file so that checkpatch catches it earlier. Link: http://lkml.kernel.org/r/20170317011131.6881-2-sboyd@codeaurora.org Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-05-08scripts/spelling.txt: add "memory" pattern and fix typosStephen Boyd1-0/+1
Fix typos and add the following to the scripts/spelling.txt: momery||memory Link: http://lkml.kernel.org/r/20170317011131.6881-1-sboyd@codeaurora.org Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-05-08checkpatch: improve the SUSPECT_CODE_INDENT testJoe Perches1-1/+3
The current SUSPECT_CODE_INDENT test does not recognize several defective code style defects where code following a logical test is inappropriately indented. Before this patch, for code like: if (foo) bar(); checkpatch would not emit a warning. Improve the test to warn when code after a logical test has the same indentation as the logical test. Perform the same indentation test for "else" blocks too. Link: http://lkml.kernel.org/r/df2374b68c4a68af2b7ef08afe486584811f610a.1493683942.git.joe@perches.com Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-05-08checkpatch: improve the embedded function name test for patch contextsJoe Perches1-9/+8
The current test works only for a single patch context as it is done in the foreach ($rawlines) loop that precedes the loop where the actual $context_function variable is used. Move the set of $context_function into the foreach (@lines) loop where it is useful for each patch context. Link: http://lkml.kernel.org/r/6c675a31c74fbfad4fc45b9f462303d60ca2a283.1493486091.git.joe@perches.com Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-05-08checkpatch: add --typedefsfileJerome Forissier1-17/+35
When using checkpatch on out-of-tree code, it may occur that some project-specific types are used, which will cause spurious warnings. Add the --typedefsfile option as a way to extend the known types and deal with this issue. This was developed for OP-TEE [1]. We run a Travis job on all pull requests [2], and checkpatch is part of that. The typical false warning we get on a regular basis is with some pointers to functions returning TEE_Result [3], which is a typedef from the GlobalPlatform APIs. We consider it is acceptable to use GP types in the OP-TEE core implementation, that's why this patch would be helpful for us. [1] https://github.com/OP-TEE/optee_os [2] https://travis-ci.org/OP-TEE/optee_os/builds [3] https://travis-ci.org/OP-TEE/optee_os/builds/193355335#L1733 Link: http://lkml.kernel.org/r/ba1124d6dfa599bb0dd1d8919dd45dd09ce541a4.1492702192.git.jerome.forissier@linaro.org Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org> Cc: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-05-08checkpatch: improve k.alloc with multiplication and sizeof testJoe Perches1-3/+10
Find multi-line uses of k.alloc by using the $stat variable and not the $line variable. This can still --fix only the single line variant though. Link: http://lkml.kernel.org/r/3f4b23d37cd4c7d8628eefc25afe83ba8fb3ab55.1493167076.git.joe@perches.com Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-05-08checkpatch: special audit for revert commit lineWei Wang1-0/+1
Currently checkpatch.pl does not recognize git's default commit revert message and will complain about the hash format. Add special audit for revert commit message line to fix it. Link: http://lkml.kernel.org/r/20170411191532.74381-1-wvw@google.com Signed-off-by: Wei Wang <wvw@google.com> Acked-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-05-08checkpatch: clarify the EMBEDDED_FUNCTION_NAME messageJoe Perches1-5/+7
Try to make the conversion of embedded function names to "%s: ", __func__ a bit clearer. Add a bit more information to the comment describing the test too. Link: http://lkml.kernel.org/r/38f5d32f0aec1cd98cb9ceeedd6a736cc9a802db.1491759835.git.joe@perches.com Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-05-08checkpatch: improve MULTISTATEMENT_MACRO_USE_DO_WHILE testJoe Perches1-2/+4
The logic currrently misses macros that start with an if statement. e.g.: #define foo(bar) if (bar) baz; Add a test for macro content that starts with if Link: http://lkml.kernel.org/r/a9d41aafe1673889caf1a9850208fb7fd74107a0.1491783914.git.joe@perches.com Signed-off-by: Joe Perches <joe@perches.com> Reported-by: Andreas Mohr <andi@lisas.de> Original-patch-by: Alfonso Lima <alfonsolimaastor@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-05-08checkpatch: avoid suggesting struct definitions should be constJoe Perches1-3/+3
Many structs are generally used const and there is a known list of these structs. struct definitions should not be generally be declared const. Add a test for the lack of an open brace immediately after the struct to avoid definitions. This avoids the false positive "struct foo should normally be const" message only when the open brace is on the same line as the definition. Link: http://lkml.kernel.org/r/0dce709150d712e66f1b90b03827634b53b28085.1491845946.git.joe@perches.com Signed-off-by: Joe Perches <joe@perches.com> Cc: Arthur Brainville <ybalrid@ybalrid.info> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-05-08checkpatch: allow space leading blank lines in email headersJoe Perches1-2/+2
Allow a leading space and otherwise blank link in the email headers as it can be a line wrapped Spamassassin multiple line string or any other valid rfc 2822/5322 email header. The line with space causes checkpatch to erroneously think that it's in the content body, as opposed to headers and thus flag a mail header as an unwrapped long comment line. Link: http://lkml.kernel.org/r/d75a9f0b78b3488078429f4037d9fff3bdfa3b78.1490247180.git.joe@perches.com Signed-off-by: Joe Perches <joe@perches.com>Reported-by: Darren Hart (VMware) <dvhart@infradead.org> Tested-by: Darren Hart (VMware) <dvhart@infradead.org> Reviewed-by: Darren Hart (VMware) <dvhart@vmware.com> Original-patch-by: John 'Warthog9' Hawley (VMware) <warthog9@eaglescrag.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-05-08checkpatch: improve EMBEDDED_FUNCTION_NAME testJoe Perches1-0/+11
The existing behavior relies on patch context to identify function declarations. Add the ability to find function declarations when there is an open brace in column 1. This finds function declarations only in specific single line forms where the function name is on a single line like: int foo(args...) { and int foo(args...) { It does not recognize function declarations like: int foo(int bar, int baz) { Link: http://lkml.kernel.org/r/738d74bbbe1a06b80f11ed504818107c68903095.1488155636.git.joe@perches.com Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-05-08checkpatch: add ability to find bad uses of vsprintf %p<foo> extensionsJoe Perches1-0/+26
%pK was at least once misused at %pk in an out-of-tree module. This lead to some security concerns. Add the ability to track single and multiple line statements for misuses of %p<foo>. [akpm@linux-foundation.org: add helpful comment into lib/vsprintf.c] [akpm@linux-foundation.org: text tweak] Link: http://lkml.kernel.org/r/163a690510e636a23187c0dc9caa09ddac6d4cde.1488228427.git.joe@perches.com Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Kees Cook <keescook@chromium.org> Acked-by: William Roberts <william.c.roberts@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-05-08checkpatch: remove obsolete CONFIG_EXPERIMENTAL checksRuslan Bilovol1-13/+0
Config EXPERIMENTAL has been removed from kernel in 2013 (see commit 3d374d09f16f: "final removal of CONFIG_EXPERIMENTAL"), there is no any reason to do these checks now. Link: http://lkml.kernel.org/r/1488234097-20119-1-git-send-email-ruslan.bilovol@gmail.com Signed-off-by: Ruslan Bilovol <ruslan.bilovol@gmail.com> Acked-by: Kees Cook <keescook@chromium.org> Acked-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-05-08kbuild: dtbinst: remove unnecessary __dtbs_install_prep targetMasahiro Yamada1-8/+0
Since commit 5399eb9b3908 ("dtbsinstall: don't move target directory out of the way"), the target __dtbs_install_prep is invoked just for creating the install directory, but all the necessary directories are automatically created by: cmd_dtb_install = mkdir -p $(2); cp $< $(2) Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-05-05Merge tag 'devicetree-for-4.12' of ↵Linus Torvalds21-184/+555
git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull DeviceTree updates from Rob Herring: - fix sparse warnings in drivers/of/ - add more overlay unittests - update dtc to v1.4.4-8-g756ffc4f52f6. This adds more checks on dts files such as unit-address formatting and stricter character sets for node and property names - add a common DT modalias function - move trivial-devices.txt up and out of i2c dir - ARM NVIC interrupt controller binding - vendor prefixes for Sensirion, Dioo, Nordic, ROHM - correct some binding file locations * tag 'devicetree-for-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (24 commits) of: fix sparse warnings in fdt, irq, reserved mem, and resolver code of: fix sparse warning in of_pci_range_parser_one of: fix sparse warnings in of_find_next_cache_node of/unittest: Missing unlocks on error of: fix uninitialized variable warning for overlay test of: fix unittest build without CONFIG_OF_OVERLAY of: Add unit tests for applying overlays of: per-file dtc compiler flags fpga: region: add missing DT documentation for config complete timeout of: Add vendor prefix for ROHM Semiconductor of: fix "/cpus" reference leak in of_numa_parse_cpu_nodes() of: Add vendor prefix for Nordic Semiconductor dt-bindings: arm,nvic: Binding for ARM NVIC interrupt controller on Cortex-M dtc: update warning settings for new bus and node/property name checks scripts/dtc: Update to upstream version v1.4.4-8-g756ffc4f52f6 scripts/dtc: automate getting dtc version and log in update script of: Add function for generating a DT modalias with a newline of: fix of_device_get_modalias returned length when truncating buffers Documentation: devicetree: move trivial-devices out of I2C realm dt-bindings: add vendor prefix for Dioo ..
2017-05-04Merge tag 'char-misc-4.12-rc1' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver updates from Greg KH: "Here is the big set of new char/misc driver drivers and features for 4.12-rc1. There's lots of new drivers added this time around, new firmware drivers from Google, more auxdisplay drivers, extcon drivers, fpga drivers, and a bunch of other driver updates. Nothing major, except if you happen to have the hardware for these drivers, and then you will be happy :) All of these have been in linux-next for a while with no reported issues" * tag 'char-misc-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (136 commits) firmware: google memconsole: Fix return value check in platform_memconsole_init() firmware: Google VPD: Fix return value check in vpd_platform_init() goldfish_pipe: fix build warning about using too much stack. goldfish_pipe: An implementation of more parallel pipe fpga fr br: update supported version numbers fpga: region: release FPGA region reference in error path fpga altera-hps2fpga: disable/unprepare clock on error in alt_fpga_bridge_probe() mei: drop the TODO from samples firmware: Google VPD sysfs driver firmware: Google VPD: import lib_vpd source files misc: lkdtm: Add volatile to intentional NULL pointer reference eeprom: idt_89hpesx: Add OF device ID table misc: ds1682: Add OF device ID table misc: tsl2550: Add OF device ID table w1: Remove unneeded use of assert() and remove w1_log.h w1: Use kernel common min() implementation uio_mf624: Align memory regions to page size and set correct offsets uio_mf624: Refactor memory info initialization uio: Allow handling of non page-aligned memory regions hangcheck-timer: Fix typo in comment ...
2017-05-03Merge tag 'modules-for-v4.12' of ↵Linus Torvalds1-2/+1
git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux Pull modules updates from Jessica Yu: - Minor code cleanups - Fix section alignment for .init_array * tag 'modules-for-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux: kallsyms: Use bounded strnchr() when parsing string module: Unify the return value type of try_module_get module: set .init_array alignment to 8
2017-05-03Merge tag 'trace-v4.12' of ↵Linus Torvalds2-0/+2
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing updates from Steven Rostedt: "New features for this release: - Pretty much a full rewrite of the processing of function plugins. i.e. echo do_IRQ:stacktrace > set_ftrace_filter - The rewrite was needed to add plugins to be unique to tracing instances. i.e. mkdir instance/foo; cd instances/foo; echo do_IRQ:stacktrace > set_ftrace_filter The old way was written very hacky. This removes a lot of those hacks. - New "function-fork" tracing option. When set, pids in the set_ftrace_pid will have their children added when the processes with their pids listed in the set_ftrace_pid file forks. - Exposure of "maxactive" for kretprobe in kprobe_events - Allow for builtin init functions to be traced by the function tracer (via the kernel command line). Module init function tracing will come in the next release. - Added more selftests, and have selftests also test in an instance" * tag 'trace-v4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (60 commits) ring-buffer: Return reader page back into existing ring buffer selftests: ftrace: Allow some event trigger tests to run in an instance selftests: ftrace: Have some basic tests run in a tracing instance too selftests: ftrace: Have event tests also run in an tracing instance selftests: ftrace: Make func_event_triggers and func_traceonoff_triggers tests do instances selftests: ftrace: Allow some tests to be run in a tracing instance tracing/ftrace: Allow for instances to trigger their own stacktrace probes tracing/ftrace: Allow for the traceonoff probe be unique to instances tracing/ftrace: Enable snapshot function trigger to work with instances tracing/ftrace: Allow instances to have their own function probes tracing/ftrace: Add a better way to pass data via the probe functions ftrace: Dynamically create the probe ftrace_ops for the trace_array tracing: Pass the trace_array into ftrace_probe_ops functions tracing: Have the trace_array hold the list of registered func probes ftrace: If the hash for a probe fails to update then free what was initialized ftrace: Have the function probes call their own function ftrace: Have each function probe use its own ftrace_ops ftrace: Have unregister_ftrace_function_probe_func() return a value ftrace: Add helper function ftrace_hash_move_and_update_ops() ftrace: Remove data field from ftrace_func_probe structure ...
2017-05-03Merge branch 'akpm' (patches from Andrew)Linus Torvalds1-0/+25
Merge misc updates from Andrew Morton: - a few misc things - most of MM - KASAN updates * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (102 commits) kasan: separate report parts by empty lines kasan: improve double-free report format kasan: print page description after stacks kasan: improve slab object description kasan: change report header kasan: simplify address description logic kasan: change allocation and freeing stack traces headers kasan: unify report headers kasan: introduce helper functions for determining bug type mm: hwpoison: call shake_page() after try_to_unmap() for mlocked page mm: hwpoison: call shake_page() unconditionally mm/swapfile.c: fix swap space leak in error path of swap_free_entries() mm/gup.c: fix access_ok() argument type mm/truncate: avoid pointless cleancache_invalidate_inode() calls. mm/truncate: bail out early from invalidate_inode_pages2_range() if mapping is empty fs/block_dev: always invalidate cleancache in invalidate_bdev() fs: fix data invalidation in the cleancache during direct IO zram: reduce load operation in page_same_filled zram: use zram_free_page instead of open-coded zram: introduce zram data accessor ...
2017-05-03scripts/spelling.txt: add several more common spelling mistakesColin Ian King1-0/+25
Here are some of the more common spelling mistakes that I've found while fixing up spelling mistakes in kernel error message text. They probably should be added to this list so we don't keep on seeing them appearing again. Link: http://lkml.kernel.org/r/20170421122534.5378-1-colin.king@canonical.com Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Kees Cook <keescook@chromium.org> Cc: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: Joe Perches <joe@perches.com> Cc: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-05-03Merge tag 'drm-for-v4.12' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds1-0/+92
Pull drm u pdates from Dave Airlie: "This is the main drm pull request for v4.12. Apart from two fixes pulls, everything should have been in drm-next for at least 2 weeks. The biggest thing in here is AMD released the public headers for their upcoming VEGA GPUs. These as always are quite a sizeable chunk of header files. They've also added initial non-display support for those GPUs, though they aren't available in production yet. Otherwise it's pretty much normal. New bridge drivers: - megachips-stdpxxxx-ge-b850v3-fw LVDS->DP++ - generic LVDS bridge support. Core: - Displayport link train failure reporting to userspace - debugfs interface cleaned up - subsystem TODO in kerneldoc now - Extended fbdev support (flipping and vblank wait) - drm_platform removed - EDP CRC support in helper - HF-VSDB SCDC support in EDID parser - Lots of code cleanups and header extraction - Thunderbolt external GPU awareness - Atomic helper improvements - Documentation improvements panel: - Sitronix and Samsung new panel support amdgpu: - Preliminary vega10 support - Multi-level page table support - GPU sensor support for userspace - PRT support for sparse buffers - SR-IOV improvements - Non-contig VRAM CPU mapping i915: - Atomic modesetting enabled by default on Gen5+ - LSPCON improvements - Atomic state handling for cdclk - GPU reset improvements - In-kernel unit tests - Geminilake improvements and color manager support - Designware i2c fixes - vblank evasion improvements - Hotplug safe connector iterators - GVT scheduler QoS support - GVT Kabylake support nouveau: - Acceleration support for Pascal (GP10x). - Rearchitecture of code handling proprietary signed firmware - Fix GTX 970 with odd MMU configuration - GP10B support - GP107 acceleration support vmwgfx: - Atomic modesetting support for vmwgfx omapdrm: - Support for render nodes - Refactor omapdss code - Fix some probe ordering issues - Fix too dark RGB565 rendering sunxi: - prelim rework for multiple pipes. mali-dp: - Color management support - Plane scaling - Power management improvements imx-drm: - Prefetch Resolve Engine/Gasket on i.MX6QP - Deferred plane disabling - Separate alpha support mediatek: - Mediatek SoC MT2701 support rcar-du: - Gen3 HDMI support msm: - 4k support for newer chips - OPP bindings for gpu - prep work for per-process pagetables vc4: - HDMI audio support - fixes qxl: - minor fixes. dw-hdmi: - PHY improvements - CSC fixes - Amlogic GX SoC support" * tag 'drm-for-v4.12' of git://people.freedesktop.org/~airlied/linux: (1778 commits) drm/nouveau/fb/gf100-: Fix 32 bit wraparound in new ram detection drm/nouveau/secboot/gm20b: fix the error return code in gm20b_secboot_tegra_read_wpr() drm/nouveau/kms: Increase max retries in scanout position queries. drm/nouveau/bios/bitP: check that table is long enough for optional pointers drm/nouveau/fifo/nv40: no ctxsw for pre-nv44 mpeg engine drm: mali-dp: use div_u64 for expensive 64-bit divisions drm/i915: Confirm the request is still active before adding it to the await drm/i915: Avoid busy-spinning on VLV_GLTC_PW_STATUS mmio drm/i915/selftests: Allocate inode/file dynamically drm/i915: Fix system hang with EI UP masked on Haswell drm/i915: checking for NULL instead of IS_ERR() in mock selftests drm/i915: Perform link quality check unconditionally during long pulse drm/i915: Fix use after free in lpe_audio_platdev_destroy() drm/i915: Use the right mapping_gfp_mask for final shmem allocation drm/i915: Make legacy cursor updates more unsynced drm/i915: Apply a cond_resched() to the saturated signaler drm/i915: Park the signaler before sleeping drm: mali-dp: Check the mclk rate and allow up/down scaling drm: mali-dp: Enable image enhancement when scaling drm: mali-dp: Add plane upscaling support ...
2017-05-03Merge branch 'next' of ↵Linus Torvalds2-0/+2
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security Pull security subsystem updates from James Morris: "Highlights: IMA: - provide ">" and "<" operators for fowner/uid/euid rules KEYS: - add a system blacklist keyring - add KEYCTL_RESTRICT_KEYRING, exposes keyring link restriction functionality to userland via keyctl() LSM: - harden LSM API with __ro_after_init - add prlmit security hook, implement for SELinux - revive security_task_alloc hook TPM: - implement contextual TPM command 'spaces'" * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (98 commits) tpm: Fix reference count to main device tpm_tis: convert to using locality callbacks tpm: fix handling of the TPM 2.0 event logs tpm_crb: remove a cruft constant keys: select CONFIG_CRYPTO when selecting DH / KDF apparmor: Make path_max parameter readonly apparmor: fix parameters so that the permission test is bypassed at boot apparmor: fix invalid reference to index variable of iterator line 836 apparmor: use SHASH_DESC_ON_STACK security/apparmor/lsm.c: set debug messages apparmor: fix boolreturn.cocci warnings Smack: Use GFP_KERNEL for smk_netlbl_mls(). smack: fix double free in smack_parse_opts_str() KEYS: add SP800-56A KDF support for DH KEYS: Keyring asymmetric key restrict method with chaining KEYS: Restrict asymmetric key linkage using a specific keychain KEYS: Add a lookup_restriction function for the asymmetric key type KEYS: Add KEYCTL_RESTRICT_KEYRING KEYS: Consistent ordering for __key_link_begin and restrict check KEYS: Add an optional lookup_restriction hook to key_type ...
2017-05-03objtool: make it visible in make V=1 outputJiri Slaby1-2/+2
It is currently impossible to see what is going on with objtool when building, so call echo-cmd to see the actions: gcc -Wp,-MD,arch/x86/entry/.entry_64.o.d -nostdinc -isystem ... ./tools/objtool/objtool check "arch/x86/entry/entry_64.o"; Signed-off-by: Jiri Slaby <jslaby@suse.cz> Cc: Michal Marek <mmarek@suse.com> Cc: linux-kbuild@vger.kernel.org Cc: Josh Poimboeuf <jpoimboe@redhat.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-05-02Merge branch 'for-linus' of ↵Linus Torvalds2-5/+4
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial Pull trivial tree updates from Jiri Kosina. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: tty: fix comment for __tty_alloc_driver() init/main: properly align the multi-line comment init/main: Fix double "the" in comment Fix dead URLs to ftp.kernel.org drivers: Clean up duplicated email address treewide: Fix typo in xml/driver-api/basics.xml tools/testing/selftests/powerpc: remove redundant CFLAGS in Makefile: "-Wall -O2 -Wall" -> "-O2 -Wall" selftests/timers: Spelling s/privledges/privileges/ HID: picoLCD: Spelling s/REPORT_WRTIE_MEMORY/REPORT_WRITE_MEMORY/ net: phy: dp83848: Fix Typo UBI: Fix typos Documentation: ftrace.txt: Correct nice value of 120 priority net: fec: Fix typo in error msg and comment treewide: Fix typos in printk
2017-05-02Merge tag 'docs-4.12' of git://git.lwn.net/linuxLinus Torvalds1-5/+14
Pull documentation update from Jonathan Corbet: "A reasonably busy cycle for documentation this time around. There is a new guide for user-space API documents, rather sparsely populated at the moment, but it's a start. Markus improved the infrastructure for converting diagrams. Mauro has converted much of the USB documentation over to RST. Plus the usual set of fixes, improvements, and tweaks. There's a bit more than the usual amount of reaching out of Documentation/ to fix comments elsewhere in the tree; I have acks for those where I could get them" * tag 'docs-4.12' of git://git.lwn.net/linux: (74 commits) docs: Fix a couple typos docs: Fix a spelling error in vfio-mediated-device.txt docs: Fix a spelling error in ioctl-number.txt MAINTAINERS: update file entry for HSI subsystem Documentation: allow installing man pages to a user defined directory Doc/PM: Sync with intel_powerclamp code behavior zr364xx.rst: usb/devices is now at /sys/kernel/debug/ usb.rst: move documentation from proc_usb_info.txt to USB ReST book convert philips.txt to ReST and add to media docs docs-rst: usb: update old usbfs-related documentation arm: Documentation: update a path name docs: process/4.Coding.rst: Fix a couple of document refs docs-rst: fix usb cross-references usb: gadget.h: be consistent at kernel doc macros usb: composite.h: fix two warnings when building docs usb: get rid of some ReST doc build errors usb.rst: get rid of some Sphinx errors usb/URB.txt: convert to ReST and update it usb/persist.txt: convert to ReST and add to driver-api book usb/hotplug.txt: convert to ReST and add to driver-api book ...
2017-05-01Merge branch 'x86-process-for-linus' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pul x86/process updates from Ingo Molnar: "The main change in this cycle was to add the ARCH_[GET|SET]_CPUID prctl() ABI extension to control the availability of the CPUID instruction, analogously to the existing PR_GET|SET_TSC ABI that controls RDTSC. Motivation: the 'rr' user-space record-and-replay execution debugger would like to trap and emulate the CPUID instruction - which instruction is normally unprivileged. Trapping CPUID is possible on IvyBridge and later Intel CPUs - expose this hardware capability" * 'x86-process-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/syscalls/32: Ignore arch_prctl for other architectures um/arch_prctl: Fix fallout from x86 arch_prctl() rework x86/arch_prctl: Add ARCH_[GET|SET]_CPUID x86/cpufeature: Detect CPUID faulting support x86/syscalls/32: Wire up arch_prctl on x86-32 x86/arch_prctl: Add do_arch_prctl_common() x86/arch_prctl/64: Rename do_arch_prctl() to do_arch_prctl_64() x86/arch_prctl/64: Use SYSCALL_DEFINE2 to define sys_arch_prctl() x86/arch_prctl: Rename 'code' argument to 'option' x86/msr: Rename MISC_FEATURE_ENABLES to MISC_FEATURES_ENABLES x86/process: Optimize TIF_NOTSC switch x86/process: Correct and optimize TIF_BLOCKSTEP switch x86/process: Optimize TIF checks in __switch_to_xtra()
2017-05-01Merge branch 'for-linus' of ↵Linus Torvalds1-5/+0
git://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/linux-avr32 Pull AVR32 removal from Hans-Christian Noren Egtvedt: "This will remove support for AVR32 architecture from the kernel and clean away the most obvious architecture related parts. Removing dead code in drivers is the next step" Notes from previous discussion about this: "The AVR32 architecture is not keeping up with the development of the kernel, and since it shares so much of the drivers with Atmel ARM SoC, it is starting to hinder these drivers to develop swiftly. Also, all AVR32 AP7 SoC processors are end of lifed from Atmel (now Microchip). Finally, the GCC toolchain is stuck at version 4.2.x, and has not received any patches since the last release from Atmel; 4.2.4-atmel.1.1.3.avr32linux.1. When building kernel v4.10, this toolchain is no longer able to properly link the network stack. Haavard and I have came to the conclusion that we feel keeping AVR32 on life support offers more obstacles for Atmel ARMs, than it gives joy to AVR32 users. I also suspect there are very few AVR32 users left today, if anybody at all" That discussion was acked by Andy Shevchenko, Boris Brezillon, Nicolas Ferre, and Haavard Skinnemoen. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/linux-avr32: mm: remove AVR32 arch special handling in mm/Kconfig lib: remove check for AVR32 arch in test_user_copy lib: remove AVR32 entry in Kconfig.debug compile with frame pointers scripts: remove AVR32 support from checkstack.pl docs: remove all references to AVR32 architecture avr32: remove support for AVR32 architecture
2017-05-01scripts: remove AVR32 support from checkstack.plHans-Christian Noren Egtvedt1-5/+0
The AVR32 architecture support has been removed from the kernel, hence remove the related bits from checkstack.pl script. Signed-off-by: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no> Signed-off-by: Håvard Skinnemoen <hskinnemoen@gmail.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com> Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com> Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2017-04-27of: per-file dtc compiler flagsFrank Rowand1-0/+2
The dtc compiler version that adds initial support was available in 4.11-rc1. Add the ability to set an additional dtc compiler flag is needed by overlays. Signed-off-by: Frank Rowand <frank.rowand@sony.com> Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Rob Herring <robh@kernel.org>
2017-04-25kbuild: Add support to generate LLVM assembly filesVinícius Tinti1-0/+8
Add rules to kbuild in order to generate LLVM assembly files with the .ll extension when using clang. # from c code make CC=clang kernel/pid.ll Signed-off-by: Vinícius Tinti <viniciustinti@gmail.com> Signed-off-by: Behan Webster <behanw@converseincode.com> Signed-off-by: Matthias Kaehlcke <mka@chromium.org> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-04-25builddeb: fix typoAndrew Donnellan1-1/+1
Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com> Signed-off-by: Riku Voipio <riku.voipio@linaro.org> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-04-25builddeb: Update a few outdated and hardcoded stringsRiku Voipio1-6/+1
The builddeb script has some hardcoded references to Linux version 2.6 which is ancient. Drop Provides as the virtual packages provided are not useful anymore. Leave the Provides for linux-kernel-headers, as someone might still be referring to it. While at it, updated copyright date and drop Standards-Version: since the package isn't Debian Standards compliant anyways. Cc: Timo Sigurdsson <public_timo.s@silentcreek.de> Signed-off-by: Riku Voipio <riku.voipio@linaro.org> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-04-23kbuild: drop -Wno-unknown-warning-option from clang optionsMasahiro Yamada1-1/+0
Since commit c3f0d0bc5b01 ("kbuild, LLVMLinux: Add -Werror to cc-option to support clang"), cc-option and friends work nicely for clang. However, -Wno-unknown-warning-option makes clang happy with any unknown warning options even if -Werror is specified. Once -Wno-unknown-warning-option is added, any succeeding call of cc-disable-warning is evaluated positive, then unknown warning options are accepted. This should be dropped. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-04-23kbuild: fix asm-offset generation to work with clangJeroen Hofstee1-2/+6
KBuild abuses the asm statement to write to a file and clang chokes about these invalid asm statements. Hack it even more by fooling this is actual valid asm code. [masahiro: Import Jeroen's work for U-Boot: http://patchwork.ozlabs.org/patch/375026/ Tweak sed script a little to avoid garbage '#' for GCC case, like #define NR_PAGEFLAGS 23 /* __NR_PAGEFLAGS # */ ] Signed-off-by: Jeroen Hofstee <jeroen@myspectrum.nl> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Matthias Kaehlcke <mka@chromium.org> Tested-by: Matthias Kaehlcke <mka@chromium.org>

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