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From: Thomas Backlund <tmb@mandriva.org>
To: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Cc: stable@kernel.org
Subject: Re: x86: Remove STACKPROTECTOR_ALL
Date: Wed, 11 Nov 2009 00:23:16 +0200	[thread overview]
Message-ID: <4AF9E7D4.9080309@mandriva.org> (raw)
In-Reply-To: <200911021859.nA2Ix4cB023712@hera.kernel.org>

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@infradead.org>
> AuthorDate: Fri Oct 23 07:31:01 2009 -0700
> Committer:  Ingo Molnar <mingo@elte.hu>
> 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@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>
> ---
>  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


       reply	other threads:[~2009-11-10 22:23 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <200911021859.nA2Ix4cB023712@hera.kernel.org>
2009-11-10 22:23 ` Thomas Backlund [this message]
2009-12-05 19:58   ` [stable] x86: Remove STACKPROTECTOR_ALL Greg KH
2009-12-06 23:24     ` Thomas Backlund
2009-10-23 14:31 Chuck Ebbert <cebbert@redhat.com> Arjan van de Ven
2009-10-23 14:35 ` x86: Remove STACKPROTECTOR_ALL Ingo Molnar

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