[PATCH] [2/58] x86_64: Tell gcc to only align stack to 8 bytes

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Don't need 16 byte alignment because kernel doesn't use SSE2

Signed-off-by: Andi Kleen <[email protected]>

---
 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 [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux