Re: [PATCH 2/2] powerpc/ptrace: Disable array-bounds warning with gcc8
From: Michael Ellerman <mpe@ellerman.id.au>
Date: 2018-05-08 14:40:36
Khem Raj [off-list ref] writes:
This masks the new gcc8 warning regset.h:270:4: error: 'memcpy' offset [-527, -529] is out of the bounds [0, 16] of object 'vrsave' with type 'union <anonymous>'
Why would we want to mask the warning rather than fix it? cheers
quoted hunk ↗ jump to hunk
Signed-off-by: Khem Raj <redacted> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: linuxppc-dev@lists.ozlabs.org --- arch/powerpc/kernel/Makefile | 1 + 1 file changed, 1 insertion(+)diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index 7ac5a68ad6b1..ab159a34704a 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile@@ -4,6 +4,7 @@ # CFLAGS_ptrace.o += -DUTS_MACHINE='"$(UTS_MACHINE)"' $(call cc-disable-warning, attribute-alias) +CFLAGS_ptrace.o += $(call cc-disable-warning, array-bounds) CFLAGS_syscalls.o += $(call cc-disable-warning, attribute-alias) subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror-- 2.17.0