path: root/arch/x86/Makefile_32.cpu
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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 13:38:11 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 13:38:11 -0800
commit86ed4aa457f9c832856156a2ee6477d108825855 (patch)
tree5a7250b526079a9fe2656eac58fbacf5f7d07da4 /arch/x86/Makefile_32.cpu
parent830cd2ac6ecce6b027d947fcdc724dd27a33813a (diff)
parentfe5ed91ddce85a0ed0e4f92c10b099873ef62167 (diff)
Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, mce: don't restart timer if disabled x86: Use -maccumulate-outgoing-args for sane mcount prologues x86: Prevent GCC 4.4.x (pentium-mmx et al) function prologue wreckage x86: AMD Northbridge: Verify NB's node is online x86 VSDO: Fix Kconfig help x86: Fix typo in Intel CPU cache size descriptor x86: Add new Intel CPU cache size descriptors
Diffstat (limited to 'arch/x86/Makefile_32.cpu')
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/Makefile_32.cpu b/arch/x86/Makefile_32.cpu
index cbf0776dbec1..1255d953c65d 100644
--- a/arch/x86/Makefile_32.cpu
+++ b/arch/x86/Makefile_32.cpu
@@ -46,6 +46,13 @@ cflags-$(CONFIG_MGEODE_LX) += $(call cc-option,-march=geode,-march=pentium-mmx)
# cpu entries
cflags-$(CONFIG_X86_GENERIC) += $(call tune,generic,$(call tune,i686))
+# Work around the pentium-mmx code generator madness of gcc4.4.x which
+# does stack alignment by generating horrible code _before_ the mcount
+# prologue (push %ebp, mov %esp, %ebp) which breaks the function graph
+# tracer assumptions. For i686, generic, core2 this is set by the
+# compiler anyway
+cflags-$(CONFIG_FUNCTION_GRAPH_TRACER) += $(call cc-option,-maccumulate-outgoing-args)
# Bug fix for binutils: this option is required in order to keep
# binutils from generating NOPL instructions against our will.
ifneq ($(CONFIG_X86_P6_NOP),y)

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