linux-kernel - Re: Kernel Bug in 2.4.35 when compiled gcc>=4.2.0 and -march=c3

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Message-ID: <20070806211631.GA14501@1wt.eu>
Date:	Mon, 6 Aug 2007 23:16:31 +0200
From:	Willy Tarreau <w@....eu>
To:	Segher Boessenkool <segher@...nel.crashing.org>
Cc:	"H. Peter Anvin" <hpa@...or.com>, Axel Reinhold <axel@...akout.de>,
	linux-kernel@...r.kernel.org
Subject: Re: Kernel Bug in 2.4.35 when compiled gcc>=4.2.0 and -march=c3

On Mon, Aug 06, 2007 at 11:15:08PM +0200, Segher Boessenkool wrote:
> >Well, top-level assembly is usually nasty.  Setting the section in the
> >assembly statement as you said is probably the only thing you *can* do.
> 
> You'll probably need to (at the end of the asm block) restore
> the current section to what it was before (".previous"), too.

Didn't know about this one, thanks for the hint !

> >I don't think there is any requirement that top-level assembly
> >statements get the section set to .text on their behalf.
> 
> Correct.
> 
> 
> Segher

Regards,
Willy

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