aboutsummaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2022-07-29 09:57:07 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-07-29 09:57:07 -0700
commit9d928d9b78beec5d4b8afde9c144919b979685f2 (patch)
treefcb32435cea66dd52b48c6ba3169c57897df781a /arch
parent6e2c0490769ef8a95b61304389116ccc85c53e12 (diff)
parentc653c591789b3acfa4bf6ae45d5af4f330e50a91 (diff)
Merge tag 'powerpc-5.19-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman: - Re-enable the new amdgpu display engine for powerpc, as long as the compiler is correctly configured. - Disable stack variable initialisation in prom_init to fix GCC 12 allmodconfig. Thanks to Dan HorĂ¡k and Sudip Mukherjee. * tag 'powerpc-5.19-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: drm/amdgpu: Re-enable DCN for 64-bit powerpc powerpc/64s: Disable stack variable initialisation for prom_init
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/Kconfig4
-rw-r--r--arch/powerpc/kernel/Makefile1
2 files changed, 5 insertions, 0 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index c235648fae23..4d8f26c1399b 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -282,6 +282,10 @@ config PPC
# Please keep this list sorted alphabetically.
#
+config PPC_LONG_DOUBLE_128
+ depends on PPC64
+ def_bool $(success,test "$(shell,echo __LONG_DOUBLE_128__ | $(CC) -E -P -)" = 1)
+
config PPC_BARRIER_NOSPEC
bool
default y
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index f91f0f29a566..c8cf924bf9c0 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -20,6 +20,7 @@ CFLAGS_prom.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
CFLAGS_prom_init.o += -fno-stack-protector
CFLAGS_prom_init.o += -DDISABLE_BRANCH_PROFILING
CFLAGS_prom_init.o += -ffreestanding
+CFLAGS_prom_init.o += $(call cc-option, -ftrivial-auto-var-init=uninitialized)
ifdef CONFIG_FUNCTION_TRACER
# Do not trace early boot code

Privacy Policy