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Date: Thu, 19 Jul 2007 11:54:45 +0200 (CEST) From: Andi Kleen <ak@...e.de> To: patches@...-64.org, linux-kernel@...r.kernel.org Subject: [PATCH] [2/58] x86_64: Tell gcc to only align stack to 8 bytes Don't need 16 byte alignment because kernel doesn't use SSE2 Signed-off-by: Andi Kleen <ak@...e.de> --- arch/x86_64/Makefile | 1 + 1 file changed, 1 insertion(+) Index: linux/arch/x86_64/Makefile =================================================================== --- linux.orig/arch/x86_64/Makefile +++ linux/arch/x86_64/Makefile @@ -55,6 +55,7 @@ cflags-y += $(call cc-option,-mno-sse -m # this works around some issues with generating unwind tables in older gccs # newer gccs do it by default cflags-y += -maccumulate-outgoing-args +cflags-y += -mpreferred-stack-boundary=4 # do binutils support CFI? cflags-y += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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