From: Tejun Heo <tj@kernel.org>
Date: Mon, 9 Feb 2009 13:17:40 +0000 (+0900)
Subject: x86: no stack protector for vdso
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=d627ded5ab2f7818154d57369e3a8cdb40db2569;p=openwrt%2Fstaging%2Fblogic.git

x86: no stack protector for vdso

Impact: avoid crash on vsyscall

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/arch/x86/vdso/Makefile b/arch/x86/vdso/Makefile
index 4d6ef0a336d6..16a9020c8f11 100644
--- a/arch/x86/vdso/Makefile
+++ b/arch/x86/vdso/Makefile
@@ -38,7 +38,7 @@ $(obj)/%.so: $(obj)/%.so.dbg FORCE
 	$(call if_changed,objcopy)
 
 CFL := $(PROFILING) -mcmodel=small -fPIC -O2 -fasynchronous-unwind-tables -m64 \
-       $(filter -g%,$(KBUILD_CFLAGS))
+       $(filter -g%,$(KBUILD_CFLAGS)) $(call cc-option, -fno-stack-protector)
 
 $(vobjs): KBUILD_CFLAGS += $(CFL)