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x86: exclude vsyscall files from stackprotect 

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Ingo Molnar 2008-02-14 08:38:49 +01:00
parent e00fc542eb
commit e43eb7bab6
1 changed files with 9 additions and 1 deletions
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10
arch/x86/kernel/Makefile
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@ -6,7 +6,15 @@ extra-y := head_$(BITS).o init_task.o vmlinux.lds
extra-$(CONFIG_X86_64) += head64.o
CPPFLAGS_vmlinux.lds += -U$(UTS_MACHINE)
CFLAGS_vsyscall_64.o := $(PROFILING) -g0
#
# vsyscalls (which work on the user stack) should have
# no stack-protector checks:
#
nostackp := $(call cc-option, -fno-stack-protector)
CFLAGS_vsyscall_64.o := $(PROFILING) -g0 $(nostackp)
CFLAGS_hpet.o := $(nostackp)
CFLAGS_tsc_64.o := $(nostackp)
obj-y := process_$(BITS).o signal_$(BITS).o entry_$(BITS).o
obj-y += traps_$(BITS).o irq_$(BITS).o