Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e43eb7bab6e82e1aa93ce4d39546c54347a68077
Commit:     e43eb7bab6e82e1aa93ce4d39546c54347a68077
Parent:     e00fc542eb694e448249361ef63c190e74f53574
Author:     Ingo Molnar <[EMAIL PROTECTED]>
AuthorDate: Thu Feb 14 08:38:49 2008 +0100
Committer:  Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Tue Feb 19 16:18:32 2008 +0100

    x86: exclude vsyscall files from stackprotect
    
    Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
    Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
---
 arch/x86/kernel/Makefile |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 76ec0f8..4eb5ce8 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -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
-
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