From: Jens Axboe <axboe@kernel.dk>
To: Christoph Hellwig <hch@infradead.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] blk-mq: use __smp_call_function_single directly
Date: Wed, 08 Jan 2014 14:31:15 -0700 [thread overview]
Message-ID: <52CDC3A3.5050203@kernel.dk> (raw)
In-Reply-To: <20140108173337.GA29514@infradead.org>
On 01/08/2014 10:33 AM, Christoph Hellwig wrote:
> __smp_call_function_single already avoids multiple IPIs by internally
> queing up the items, and now also is available for non-SMP builds as
> a trivially correct stub, so there is no need to wrap it. If the
> additional lock roundtrip cause problems my patch to convert the
> generic IPI code to llists is waiting to get merged will fix it.
Thanks Christoph, applied it.
--
Jens Axboe
next prev parent reply other threads:[~2014-01-08 21:32 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-08 17:33 [PATCH] blk-mq: use __smp_call_function_single directly Christoph Hellwig
2014-01-08 21:31 ` Jens Axboe [this message]
2014-01-09 18:35 ` Christoph Hellwig
2014-01-10 2:34 ` Jens Axboe
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