linux-kernel - Re: [PATCH] blk-mq: use __smp_call_function

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Message-ID: <52CDC3A3.5050203@kernel.dk>
Date:	Wed, 08 Jan 2014 14:31:15 -0700
From:	Jens Axboe <axboe@...nel.dk>
To:	Christoph Hellwig <hch@...radead.org>
CC:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] blk-mq: use __smp_call_function_single directly

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

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