linux-kernel - Re: [RFC 00/15] x86_64: Optimize percpu accesses

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Message-ID: <48751533.7030602@zytor.com>
Date:	Wed, 09 Jul 2008 15:44:51 -0400
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Mike Travis <travis@....com>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Christoph Lameter <cl@...ux-foundation.org>,
	Jack Steiner <steiner@....com>, linux-kernel@...r.kernel.org
Subject: Re: [RFC 00/15] x86_64: Optimize percpu accesses

Ingo Molnar wrote:
> 
> the problem is, we cannot just put it even into tip/master if there's no 
> short-term hope of fixing a problem it triggers. gcc-4.2.3 is solid for 
> me otherwise, for series of thousands of randomly built kernels.
> 

4.2.3 is fine; he was using 4.2.0 before, and as far as I know, 4.2.0 
and 4.2.1 are known broken for the kernel.

	-hpa

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