Commit 5416c266 authored Aug 17, 2009 by Jeremy Fitzhardinge

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>

parent 1406de8e

arch/x86/kernel/cpu/Makefile

+4 −0

Original line number	Diff line number	Diff line
		@@ -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