Re: x86: Remove STACKPROTECTOR_ALL

From: Thomas Backlund
Date: Tue Nov 10 2009 - 17:23:25 EST


I think this one should go to 2.6.31.x too ...

Gitweb: http://git.kernel.org/linus/14a3f40aafacde1dfd6912327ae14df4baf10304
Commit: 14a3f40aafacde1dfd6912327ae14df4baf10304
Parent: 02dd0a0613e0d84c7dd8315e3fe6204d005b7c79
Author: Arjan van de Ven <arjan@xxxxxxxxxxxxx>
AuthorDate: Fri Oct 23 07:31:01 2009 -0700
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Fri Oct 23 16:35:23 2009 +0200

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@xxxxxxxxxx>
Reported-by: Chuck Ebbert <cebbert@xxxxxxxxxx>
Signed-off-by: Arjan van de Ven <arjan@xxxxxxxxxxxxxxx>
Cc: Eric Sandeen <sandeen@xxxxxxxxxx>
LKML-Reference: <20091023073101.3dce4ebb@xxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
arch/x86/Kconfig | 4 ----
arch/x86/Makefile | 1 -
2 files changed, 0 insertions(+), 5 deletions(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 07e0114..72ace95 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1443,12 +1443,8 @@ config SECCOMP
If unsure, say Y. Only embedded should say N here.
-config CC_STACKPROTECTOR_ALL
- bool

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/