[GIT PULL] x86/build change for v3.18

From: Ingo Molnar
Date: Mon Oct 13 2014 - 03:23:30 EST


Linus,

Please pull the latest x86-build-for-linus git tree from:

git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-build-for-linus

# HEAD: 5c630089442c2e3482855c0849fea53abded81e2 x86/kbuild: Eliminate duplicate command line options

Includes a single commit that simplifies the no-FPU-ops build
options.

Thanks,

Ingo

------------------>
Rasmus Villemoes (1):
x86/kbuild: Eliminate duplicate command line options


arch/x86/Makefile | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 60087ca37679..efea9112bbfe 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -50,9 +50,6 @@ ifeq ($(CONFIG_X86_32),y)

KBUILD_CFLAGS += -msoft-float -mregparm=3 -freg-struct-return

- # Don't autogenerate MMX or SSE instructions
- KBUILD_CFLAGS += -mno-mmx -mno-sse
-
# Never want PIC in a 32-bit kernel, prevent breakage with GCC built
# with nonstandard options
KBUILD_CFLAGS += -fno-pic
@@ -80,8 +77,7 @@ else
KBUILD_AFLAGS += -m64
KBUILD_CFLAGS += -m64

- # Don't autogenerate traditional x87, MMX or SSE instructions
- KBUILD_CFLAGS += -mno-mmx -mno-sse
+ # Don't autogenerate traditional x87 instructions
KBUILD_CFLAGS += $(call cc-option,-mno-80387)
KBUILD_CFLAGS += $(call cc-option,-mno-fp-ret-in-387)

@@ -168,7 +164,7 @@ KBUILD_CFLAGS += -Wno-sign-compare
#
KBUILD_CFLAGS += -fno-asynchronous-unwind-tables
# prevent gcc from generating any FP code by mistake
-KBUILD_CFLAGS += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,)
+KBUILD_CFLAGS += -mno-sse -mno-mmx -mno-sse2 -mno-3dnow
KBUILD_CFLAGS += $(call cc-option,-mno-avx,)

KBUILD_CFLAGS += $(mflags-y)
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/