Re: [PATCH 2/3] irq-poll: micro optimize some branch predictions | linux-block | Ratatoskr

[PATCH 0/3] micro-optimize irq-poll · Sagi Grimberg <sagi@grimberg.me> · 2016-11-12
[PATCH 1/3] irq-poll: Remove redundant include · Sagi Grimberg <sagi@grimberg.me> · 2016-11-12
Re: [PATCH 1/3] irq-poll: Remove redundant include · Christoph Hellwig <hch@lst.de> · 2016-11-13
[PATCH 2/3] irq-poll: micro optimize some branch predictions · Sagi Grimberg <sagi@grimberg.me> · 2016-11-12
Re: [PATCH 2/3] irq-poll: micro optimize some branch predictions · Christoph Hellwig <hch@lst.de> · 2016-11-13
Re: [PATCH 2/3] irq-poll: micro optimize some branch predictions · Sagi Grimberg <sagi@grimberg.me> · 2016-11-14
[PATCH 3/3] irq-poll: Reduce local_irq_save/restore operations in irq_poll_softirq · Sagi Grimberg <sagi@grimberg.me> · 2016-11-12
Re: [PATCH 3/3] irq-poll: Reduce local_irq_save/restore operations in irq_poll_softirq · Christoph Hellwig <hch@lst.de> · 2016-11-13
Re: [PATCH 3/3] irq-poll: Reduce local_irq_save/restore operations in irq_poll_softirq · Sagi Grimberg <sagi@grimberg.me> · 2016-11-14

Re: [PATCH 2/3] irq-poll: micro optimize some branch predictions

From: Christoph Hellwig <hch@lst.de>
Date: 2016-11-13 15:13:12

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.