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Date:	Fri, 7 Dec 2007 10:44:39 +0100
From:	Ingo Molnar <>
To:	Roland McGrath <>
Cc:	Andrew Morton <>,
	Thomas Gleixner <>,
	Harvey Harrison <>,
	Laurent Riffard <>,
	Miles Lane <>,
Subject: Re: [PATCH x86/mm] x86 vDSO: canonicalize sysenter .eh_frame

* Roland McGrath <> 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 <> ---

thanks, applied.

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