From: Christoph Hellwig <hch@lst.de>
To: Sagi Grimberg <sagi@grimberg.me>
Cc: Jens Axboe <axboe@kernel.dk>,
linux-block@vger.kernel.org, Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH 2/3] irq-poll: micro optimize some branch predictions
Date: Sun, 13 Nov 2016 16:13:12 +0100 [thread overview]
Message-ID: <20161113151312.GC7578@lst.de> (raw)
In-Reply-To: <1478991755-28153-3-git-send-email-sagi@grimberg.me>
Are they really that unlikely? I don't like these annotations unless
it's clearly an error path or they have a high, demonstrable benefit.
next prev parent reply other threads:[~2016-11-13 15:13 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-12 23:02 [PATCH 0/3] micro-optimize irq-poll Sagi Grimberg
2016-11-12 23:02 ` [PATCH 1/3] irq-poll: Remove redundant include Sagi Grimberg
2016-11-13 15:12 ` Christoph Hellwig
2016-11-12 23:02 ` [PATCH 2/3] irq-poll: micro optimize some branch predictions Sagi Grimberg
2016-11-13 15:13 ` Christoph Hellwig [this message]
2016-11-14 0:49 ` Sagi Grimberg
2016-11-12 23:02 ` [PATCH 3/3] irq-poll: Reduce local_irq_save/restore operations in irq_poll_softirq Sagi Grimberg
2016-11-13 15:18 ` Christoph Hellwig
2016-11-14 1:02 ` Sagi Grimberg
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