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Date: Fri, 18 Jul 2008 08:52:24 +0200
From: Ingo Molnar <mingo@elte.hu>
To: Mike Travis <travis@sgi.com>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>,
       "Eric W. Biederman" <ebiederm@xmission.com>,
       Christoph Lameter <cl@linux-foundation.org>,
       "H. Peter Anvin" <hpa@zytor.com>,
       Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org
Subject: Re: [RFC 0/5] percpu: Optimize percpu accesses
Message-ID: <20080718065224.GA6875@elte.hu>
References: <20080701121634.865966000@polaris-admin.engr.sgi.com> <20080701145417.GB18522@elte.hu> <20080701150313.GA30476@elte.hu> <486A483B.2090804@sgi.com> <486B8AD3.70007@sgi.com>
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* Mike Travis <travis@sgi.com> wrote:

> Mike Travis wrote:
> > Ingo Molnar wrote:
> >> * Ingo Molnar <mingo@elte.hu> wrote:
> >>
> >>>> This patchset provides the following:
> >>>>
> >>>>   * Cleanup: Fix early references to cpumask_of_cpu(0)
> >>>>   * Generic: Percpu infrastructure to rebase the per cpu area to zero
> >>>>   * x86_64: Fold pda into per cpu area
> >>>>   * x86_64: Rebase per cpu variables to zero
> >>> thanks Mike - i've started testing it in -tip. One small merge fallout 
> >>> fix is below. (it's for the new generic-ipi topic that was not in 
> >>> tip/master yet when you merged percpu-zerobased to it)
> >> ok, -tip testing found an early boot crash caused by your patchset, on 
> >> 64-bit x86:
> 
> Hi Ingo,
> 
> Which gcc version are you using?

vanilla gcc-4.2.3 (unpatched).

	Ingo