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Date: Thu, 06 Dec 2007 17:27:33 -0800 From: Harvey Harrison <harvey.harrison@...il.com> To: Roland McGrath <roland@...hat.com> Cc: Andrew Morton <akpm@...ux-foundation.org>, Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>, Laurent Riffard <laurent.riffard@...e.fr>, Miles Lane <miles.lane@...il.com>, linux-kernel@...r.kernel.org Subject: Re: [PATCH x86/mm] x86 vDSO: canonicalize sysenter .eh_frame On Thu, 2007-12-06 at 17:14 -0800, 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 <roland@...hat.com> Confirm this fixes the compile errors I was seeing with x86.git Harvey -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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