From mboxrd@z Thu Jan 1 00:00:00 1970 From: jonathan.derrick@intel.com (Jon Derrick) Date: Tue, 8 Mar 2016 10:34:54 -0700 Subject: [PATCH 2/2] NVMe: Remove unused sq_head read in completion path In-Reply-To: <1457458494-10550-1-git-send-email-jonathan.derrick@intel.com> References: <1457458494-10550-1-git-send-email-jonathan.derrick@intel.com> Message-ID: <1457458494-10550-3-git-send-email-jonathan.derrick@intel.com> Signed-off-by: Jon Derrick --- drivers/nvme/host/pci.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 74514c7..e9f18e1 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -134,7 +134,6 @@ struct nvme_queue { u32 __iomem *q_db; u16 q_depth; s16 cq_vector; - u16 sq_head; u16 sq_tail; u16 cq_head; u16 qid; @@ -719,7 +718,6 @@ static void __nvme_process_cq(struct nvme_queue *nvmeq, unsigned int *tag) if ((status & 1) != phase) break; - nvmeq->sq_head = le16_to_cpu(cqe.sq_head); if (++head == nvmeq->q_depth) { head = 0; phase = !phase; -- 1.8.3.1