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
Date: Fri, 18 Jul 2008 08:52:24 +0200 [thread overview]
Message-ID: <20080718065224.GA6875@elte.hu> (raw)
In-Reply-To: <486B8AD3.70007@sgi.com>
* 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
next prev parent reply other threads:[~2008-07-18 6:52 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-01 12:16 [RFC 0/5] percpu: Optimize percpu accesses Mike Travis
2008-07-01 12:16 ` [RFC 1/5] x86_64: Fix early references to cpumask_of_cpu Mike Travis
2008-07-01 12:16 ` [RFC 2/5] x86_64: Fold pda into per cpu area Mike Travis
2008-07-01 12:16 ` [RFC 3/5] x86_64: Reference zero-based percpu variables offset from gs Mike Travis
2008-07-01 12:16 ` [RFC 4/5] x86_64: Replace cpu_pda ops with percpu ops Mike Travis
2008-07-01 12:16 ` [RFC 5/5] x86_64: Replace xxx_pda() operations with x86_xxx_percpu() Mike Travis
2008-07-01 14:54 ` [RFC 0/5] percpu: Optimize percpu accesses Ingo Molnar
2008-07-01 15:03 ` Ingo Molnar
2008-07-01 15:07 ` Mike Travis
2008-07-02 14:04 ` Mike Travis
2008-07-18 6:52 ` Ingo Molnar [this message]
2008-07-01 18:47 ` Mike Travis
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