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Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt direction flag
- From: Andrew Haley <aph at redhat dot com>
- To: Olivier Galibert <galibert at pobox dot com>, Paolo Bonzini <bonzini at gnu dot org>, "H. Peter Anvin" <hpa at zytor dot com>, Chris Lattner <clattner at apple dot com>, Michael Matz <matz at suse dot de>, Richard Guenther <richard dot guenther at gmail dot com>, Joe Buck <Joe dot Buck at synopsys dot com>, Jan Hubicka <hubicka at ucw dot cz>, Aurelien Jarno <aurelien at aurel32 dot net>, linux-kernel at vger dot kernel dot org, gcc at gcc dot gnu dot org
- Date: Thu, 06 Mar 2008 14:15:00 +0000
- Subject: Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt direction flag
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Olivier Galibert wrote:
> On Thu, Mar 06, 2008 at 03:03:15PM +0100, Paolo Bonzini wrote:
>> Olivier Galibert wrote:
>>> On Wed, Mar 05, 2008 at 05:12:07PM -0800, H. Peter Anvin wrote:
>>>> It's a kernel bug, and it needs to be fixed.
>>> I'm not convinced. It's been that way for 15 years, it's that way in
>>> the BSD kernels, at that point it's a feature. The bug is in the
>>> documentation, nowhere else. And in gcc for blindly trusting the
>> No, the bug *in the kernel* was already present (if you had a signal
>> raised during a call to memmove). It's just more visible with GCC 4.3.
> I'm curious, since when paper documentation became the Truth and
> reality became a bug?
Isn't that the definition of a bug? That a program does not meet