From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: paulmck@linux.vnet.ibm.com
Cc: Oleg Nesterov <oleg@redhat.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Nick Piggin <npiggin@suse.de>, Jens Axboe <jens.axboe@oracle.com>,
Ingo Molnar <mingo@elte.hu>,
Rusty Russell <rusty@rustcorp.com.au>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/3] generic-ipi: remove kmalloc()
Date: Thu, 19 Feb 2009 09:33:29 +0100 [thread overview]
Message-ID: <1235032409.4612.0.camel@laptop> (raw)
In-Reply-To: <20090219024030.GM7011@linux.vnet.ibm.com>
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!
next prev parent reply other threads:[~2009-02-19 8:34 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-17 21:59 [PATCH 0/3] generic-ipi: patches -v5 Peter Zijlstra
2009-02-17 21:59 ` [PATCH 1/3] generic-ipi: simplify the barriers Peter Zijlstra
2009-02-18 0:27 ` Paul E. McKenney
2009-02-18 9:45 ` Peter Zijlstra
2009-02-17 21:59 ` [PATCH 2/3] generic-ipi: remove kmalloc() Peter Zijlstra
2009-02-18 0:28 ` Paul E. McKenney
2009-02-18 10:42 ` Peter Zijlstra
2009-02-18 16:06 ` Paul E. McKenney
2009-02-18 16:15 ` Oleg Nesterov
2009-02-18 19:47 ` Paul E. McKenney
2009-02-18 20:12 ` Oleg Nesterov
2009-02-19 2:40 ` Paul E. McKenney
2009-02-19 8:33 ` Peter Zijlstra [this message]
2009-02-18 5:31 ` Rusty Russell
2009-02-18 10:52 ` Peter Zijlstra
2009-02-17 21:59 ` [PATCH 3/3] generic-ipi: remove CSD_FLAG_WAIT Peter Zijlstra
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