linux-kernel - Re: smp_call_function

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Message-ID: <20150218222544.GA17717@twins.programming.kicks-ass.net>
Date:	Wed, 18 Feb 2015 23:25:44 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Rafael David Tinoco <inaddy@...ntu.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jens Axboe <axboe@...nel.dk>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: smp_call_function_single lockups

On Wed, Feb 11, 2015 at 12:42:10PM -0800, Linus Torvalds wrote:
> Ok, this is a more involved patch than I'd like, but making the
> *caller* do all the CSD maintenance actually cleans things up.
> 
> And this is still completely untested, and may be entirely buggy. What
> do you guys think?

I think it makes perfect sense.

Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>
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