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authorJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>2009-08-17 21:25:41 +0200
committerJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>2009-08-20 02:09:21 +0200
commit5416c2663517ebd0be0664c4d4ce3df0b116c059 (patch)
tree0f2043ceefa163ff85e54169de84b2fe9b7dec89 /arch
parentLinux 2.6.30-rc6 (diff)
downloadlinux-5416c2663517ebd0be0664c4d4ce3df0b116c059.tar.xz
linux-5416c2663517ebd0be0664c4d4ce3df0b116c059.zip
x86: make sure load_percpu_segment has no stackprotector
load_percpu_segment() is used to set up the per-cpu segment registers, which are also used for -fstack-protector. Make sure that the load_percpu_segment() function doesn't have stackprotector enabled. [ Impact: allow percpu setup before calling stack-protected functions ] Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/cpu/Makefile4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile
index 4e242f9a06e4..8b5b9b625ede 100644
--- a/arch/x86/kernel/cpu/Makefile
+++ b/arch/x86/kernel/cpu/Makefile
@@ -7,6 +7,10 @@ ifdef CONFIG_FUNCTION_TRACER
CFLAGS_REMOVE_common.o = -pg
endif
+# Make sure load_percpu_segment has no stackprotector
+nostackp := $(call cc-option, -fno-stack-protector)
+CFLAGS_common.o := $(nostackp)
+
obj-y := intel_cacheinfo.o addon_cpuid_features.o
obj-y += proc.o capflags.o powerflags.o common.o
obj-y += vmware.o hypervisor.o