diff options
| author | Arjan van de Ven <arjan@infradead.org> | 2009-10-23 10:31:01 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-10-23 10:35:23 -0400 |
| commit | 14a3f40aafacde1dfd6912327ae14df4baf10304 (patch) | |
| tree | 66b27a9db33d35e4cd2909b35d21cc36f239aaa6 /arch/x86/Makefile | |
| parent | 02dd0a0613e0d84c7dd8315e3fe6204d005b7c79 (diff) | |
x86: Remove STACKPROTECTOR_ALL
STACKPROTECTOR_ALL has a really high overhead (runtime and stack
footprint) and is not really worth it protection wise (the
normal STACKPROTECTOR is in effect for all functions with
buffers already), so lets just remove the option entirely.
Reported-by: Dave Jones <davej@redhat.com>
Reported-by: Chuck Ebbert <cebbert@redhat.com>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Cc: Eric Sandeen <sandeen@redhat.com>
LKML-Reference: <20091023073101.3dce4ebb@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/Makefile')
| -rw-r--r-- | arch/x86/Makefile | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/x86/Makefile b/arch/x86/Makefile index a012ee8ef803..d2d24c9ee64d 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile | |||
| @@ -76,7 +76,6 @@ ifdef CONFIG_CC_STACKPROTECTOR | |||
| 76 | cc_has_sp := $(srctree)/scripts/gcc-x86_$(BITS)-has-stack-protector.sh | 76 | cc_has_sp := $(srctree)/scripts/gcc-x86_$(BITS)-has-stack-protector.sh |
| 77 | ifeq ($(shell $(CONFIG_SHELL) $(cc_has_sp) $(CC) $(biarch)),y) | 77 | ifeq ($(shell $(CONFIG_SHELL) $(cc_has_sp) $(CC) $(biarch)),y) |
| 78 | stackp-y := -fstack-protector | 78 | stackp-y := -fstack-protector |
| 79 | stackp-$(CONFIG_CC_STACKPROTECTOR_ALL) += -fstack-protector-all | ||
| 80 | KBUILD_CFLAGS += $(stackp-y) | 79 | KBUILD_CFLAGS += $(stackp-y) |
| 81 | else | 80 | else |
| 82 | $(warning stack protector enabled but no compiler support) | 81 | $(warning stack protector enabled but no compiler support) |