From: keith.busch@linux.intel.com (Keith Busch)
Subject: [PATCH 2/7] nvme-pci: simplify nvme_cqe_valid
Date: Fri, 18 May 2018 14:49:47 -0600 [thread overview]
Message-ID: <20180518204947.GC27795@localhost.localdomain> (raw)
In-Reply-To: <1526655155-4006-3-git-send-email-axboe@kernel.dk>
On Fri, May 18, 2018@08:52:30AM -0600, Jens Axboe wrote:
> +static inline bool nvme_cqe_pending(struct nvme_queue *nvmeq)
> {
> - return (le16_to_cpu(nvmeq->cqes[head].status) & 1) == phase;
> + return (le16_to_cpu(nvmeq->cqes[nvmeq->cq_head].status) & 1) ==
> + nvmeq->cq_phase;
> }
What happened to the byte-swap micro-optimization?
next prev parent reply other threads:[~2018-05-18 20:49 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-18 14:52 [PATCHSET v2 0/7] Improve nvme completion handling Jens Axboe
2018-05-18 14:52 ` [PATCH 1/7] nvme: mark the result argument to nvme_complete_async_event volatile Jens Axboe
2018-05-18 14:52 ` [PATCH 2/7] nvme-pci: simplify nvme_cqe_valid Jens Axboe
2018-05-18 20:49 ` Keith Busch [this message]
2018-05-18 20:48 ` Jens Axboe
2018-05-18 14:52 ` [PATCH 3/7] nvme-pci: remove cq check after submission Jens Axboe
2018-05-18 14:52 ` [PATCH 4/7] nvme-pci: move ->cq_vector == -1 check outside of ->q_lock Jens Axboe
2018-05-18 14:52 ` [PATCH 5/7] nvme-pci: handle completions outside of the queue lock Jens Axboe
2018-05-18 21:06 ` Keith Busch
2018-05-18 21:11 ` Jens Axboe
2018-05-18 21:22 ` Jens Axboe
2018-05-18 21:28 ` Keith Busch
2018-05-18 21:31 ` Jens Axboe
2018-05-18 21:48 ` Keith Busch
2018-05-18 22:46 ` Jens Axboe
2018-05-21 14:18 ` Jens Axboe
2018-05-21 14:23 ` Keith Busch
2018-05-21 14:33 ` Jens Axboe
2018-05-21 14:40 ` Keith Busch
2018-05-21 14:43 ` Keith Busch
2018-05-18 21:25 ` Keith Busch
2018-05-18 14:52 ` [PATCH 6/7] nvme-pci: split the nvme queue lock into submission and completion locks Jens Axboe
2018-05-18 14:52 ` [PATCH 7/7] nvme-pci: drop IRQ disabling on submission queue lock Jens Axboe
-- strict thread matches above, loose matches on Subject: below --
2018-05-17 16:31 RFC: handle completions outside the queue lock and split the " Christoph Hellwig
2018-05-17 16:31 ` [PATCH 2/7] nvme-pci: simplify nvme_cqe_valid Christoph Hellwig
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