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| author |   Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2009-08-17 12:25:41 -0700 |
|---|---|---|
| committer | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2009-08-19 17:09:21 -0700 |
| commit | 5416c2663517ebd0be0664c4d4ce3df0b116c059 (patch) | |
| tree | 0f2043ceefa163ff85e54169de84b2fe9b7dec89 /arch | |
| parent | Linux 2.6.30-rc6 (diff) | |
| download | linux-dev-5416c2663517ebd0be0664c4d4ce3df0b116c059.tar.xz linux-dev-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/Makefile | 4 |
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 |