linux-kernel - Re: [PATCH -tip/cpus4096-v2] cpumask: fix cpumask of call_function

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Message-ID: <20081027125904.GA24347@elte.hu>
Date:	Mon, 27 Oct 2008 13:59:04 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>,
	Mike Travis <travis@....com>, linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH -tip/cpus4096-v2] cpumask: fix cpumask of
	call_function_data


* Ingo Molnar <mingo@...e.hu> wrote:

> 
> * Rusty Russell <rusty@...tcorp.com.au> wrote:
> 
> > On Friday 24 October 2008 15:47:20 Hiroshi Shimamoto wrote:
> > > From: Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
> > 
> > Ingo, because of these concerns I recommend you revert 
> > d4de5ac3b5e70928c86e3e5ac311f16cbf2e9ab3 (cpumask: 
> > smp_call_function_many()) for now, and apply this less contentious 
> > version.
> 
> ok - applied it to tip/cpus4096-v2, thanks Rusty!
> 
> If there's any chance for this in v2.6.28 then only if we disable 
> the dynamic API branch altogether [CONFIG_MAXCPUS] and keep that for 
> v2.6.29. This means we'd bring in the API changes which should have 
> trivial impact only - and none of the riskier changes.

in any case, i've started testing tip/cpus4096-v2 again on x86 - the 
problem with d4de5a above was the only outstanding known issue, right?

	Ingo
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