From: hch@infradead.org (Christoph Hellwig)
Subject: [PATCHv4] blk: Replace SG_GAPGS with new queue limits mask
Date: Thu, 6 Aug 2015 23:34:15 -0700 [thread overview]
Message-ID: <20150807063415.GA31458@infradead.org> (raw)
In-Reply-To: <55C39B3A.5030201@dev.mellanox.co.il>
On Thu, Aug 06, 2015@08:36:58PM +0300, Sagi Grimberg wrote:
> >+ if (!queue_virt_boundary(q))
> >+ return false;
> >+ return offset ||
> >+ ((bprv->bv_offset + bprv->bv_len) & queue_virt_boundary(q));
>
> I'm wandering if it deserves an unlikely() statement given it really
> depends on the application workload...
I'd prefer to not micro-optimize using unlikely unless we have a really
good reason for it.
next prev parent reply other threads:[~2015-08-07 6:34 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-04 19:32 [PATCHv4] blk: Replace SG_GAPGS with new queue limits mask Keith Busch
2015-08-05 1:45 ` Martin K. Petersen
2015-08-06 13:50 ` Christoph Hellwig
2015-08-19 19:12 ` Busch, Keith
2015-08-19 21:26 ` Jens Axboe
2015-08-06 17:36 ` Sagi Grimberg
2015-08-07 6:34 ` Christoph Hellwig [this message]
2015-09-01 14:01 ` Sagi Grimberg
2015-09-01 16:20 ` Keith Busch
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