linux-kernel - Re: [PATCH 2/3] generic-ipi: remove kmalloc()

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Message-Id: <1235032409.4612.0.camel@laptop>
Date:	Thu, 19 Feb 2009 09:33:29 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	paulmck@...ux.vnet.ibm.com
Cc:	Oleg Nesterov <oleg@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Nick Piggin <npiggin@...e.de>,
	Jens Axboe <jens.axboe@...cle.com>,
	Ingo Molnar <mingo@...e.hu>,
	Rusty Russell <rusty@...tcorp.com.au>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] generic-ipi: remove kmalloc()

On Wed, 2009-02-18 at 18:40 -0800, Paul E. McKenney wrote:
> 
> In the meantime, I nominate the following comment at the end of
> csd_lock():
> 
>         /*
>          * prevent CPU from reordering the above assignment to ->flags
>          * with any subsequent assignments to other fields of the
>          * specified call_single_data structure.
>          */
> 
>         smp_mb(); /* See above block comment. */

Done, thanks Paul!

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