linux-kernel - Re: [PATCH] generic-ipi: fix deadlock in __smp_call_function

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Message-ID: <1284823127.2275.604.camel@laptop>
Date:	Sat, 18 Sep 2010 17:18:47 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Suresh Siddha <suresh.b.siddha@...el.com>
Cc:	Heiko Carstens <heiko.carstens@...ibm.com>,
	Venkatesh Pallipadi <venki@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Jens Axboe <axboe@...nel.dk>
Subject: Re: [PATCH] generic-ipi: fix deadlock in __smp_call_function_single

On Fri, 2010-09-17 at 15:12 -0700, Suresh Siddha wrote:
> On Tue, 2010-09-14 at 04:19 -0700, Heiko Carstens wrote:
> > > 
> > > So what patches are we going to merge?
> > > 
> > > I share Heiko's opinion on that its somewhat surprising to have
> > > __smp_call_function_single() differ in this detail from
> > > smp_call_function_single() and think that merging his patch would be
> > > good in that respect. But Andrew seemed to have reservations.
> > > 
> > > We can also merge either my or Suresh's patch (which I think makes
> > > sense, but is kinda subtle) to avoid the needless self kick.
> 
> Peter, Can you please merge my patch instead of yours, as mine is more
> appropriate here. And also I would like Heiko's patch also to be merged
> as that brings smp_call_function_single() and
> __smp_call_function_single() to similar behavior.

Sure can do. Thanks!
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