Date: Fri, 7 Dec 2007 10:44:39 +0100
From: Ingo Molnar <mingo@elte.hu>
To: Roland McGrath <roland@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
       Thomas Gleixner <tglx@linutronix.de>,
       Harvey Harrison <harvey.harrison@gmail.com>,
       Laurent Riffard <laurent.riffard@free.fr>,
       Miles Lane <miles.lane@gmail.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH x86/mm] x86 vDSO: canonicalize sysenter .eh_frame
Message-ID: <20071207094439.GA26097@elte.hu>
References: <20071204211701.994dfce6.akpm@linux-foundation.org> <47587796.8020705@free.fr> <20071206143754.07a67819.akpm@linux-foundation.org> <20071207011429.EE2BC26F8D9@magilla.localdomain>
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* Roland McGrath <roland@redhat.com> wrote:

> Some assembler versions automagically optimize .eh_frame contents, 
> changing their size.  The CFI in sysenter.S was not using optimal 
> formatting, so it would be changed by newer/smarter assemblers. This 
> ran afoul of the wired constant for padding out the other vDSO images 
> to match its size.  This changes the original hand-coded source to use 
> the optimal format encoding for its operations.  That leaves nothing 
> more for a fancy assembler to do, so the sizes will match the wired-in 
> expected size regardless of the assembler version.
> 
> Signed-off-by: Roland McGrath <roland@redhat.com> ---

thanks, applied.

	Ingo
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