On March 16, 2017 5:15:16 PM PDT, Michael Davidson <md@xxxxxxxxxx> wrote: >Suppress clang warnings about potential unaliged accesses >to members in packed structs. This gets rid of almost 10,000 >warnings about accesses to the ring 0 stack pointer in the TSS. > >Signed-off-by: Michael Davidson <md@xxxxxxxxxx> >--- > arch/x86/Makefile | 5 +++++ > 1 file changed, 5 insertions(+) > >diff --git a/arch/x86/Makefile b/arch/x86/Makefile >index 894a8d18bf97..7f21703c475d 100644 >--- a/arch/x86/Makefile >+++ b/arch/x86/Makefile >@@ -128,6 +128,11 @@ endif > KBUILD_CFLAGS += $(call cc-option,-maccumulate-outgoing-args) > endif > >+ifeq ($(cc-name),clang) >+# Suppress clang warnings about potential unaligned accesses. >+KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member) >+endif >+ > ifdef CONFIG_X86_X32 > x32_ld_ok := $(call try-run,\ > /bin/echo -e '1: .quad 1b' | \ Why conditional on clang? -- Sent from my Android device with K-9 Mail. Please excuse my brevity. -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
