From: Jens Axboe <axboe@kernel.dk>
To: Christoph Hellwig <hch@infradead.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: ipi_redirect vs rq_affinity
Date: Fri, 24 Jan 2014 11:11:29 -0800 [thread overview]
Message-ID: <20140124191129.GG7483@kernel.dk> (raw)
In-Reply-To: <20140124132234.GA8553@infradead.org>
On Fri, Jan 24 2014, Christoph Hellwig wrote:
> Hi Jens,
>
> it seems like blk-mq uses the ipi_redirect attribute in pretty much the
> same way as the old blk-softirq code used the rq_affinity one, except
> that the old code has an additional option to direct into any core in
> the current package.
>
> Is there any good reason to not reuse the old name and semantics?
It is pretty much the same. I don't like the semantics of the old one,
where it's 0/1/2 for off/on/different-on, though. Seems like now would
be a good time to clean it up.
--
Jens Axboe
next prev parent reply other threads:[~2014-01-24 19:11 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-24 13:22 ipi_redirect vs rq_affinity Christoph Hellwig
2014-01-24 19:11 ` Jens Axboe [this message]
2014-01-27 7:51 ` Christoph Hellwig
2014-01-27 19:16 ` Jens Axboe
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