diff options
| author | Weihang Li <liweihang@huawei.com> | 2021-02-05 11:37:58 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2021-02-05 19:03:07 +0300 |
| commit | b53005d66bb0c3939790d89702333f89ce556c5b (patch) | |
| tree | ecf6f3327d395ca59c0d84ab2fa0b4eac34ef2c7 /drivers/infiniband/hw/vmw_pvrdma | |
| parent | d6fd59e14ed2975d9b372876c45a09d76d1e70c9 (diff) | |
| download | linux-b53005d66bb0c3939790d89702333f89ce556c5b.tar.xz | |
RDMA/pvrdma: Replace spin_lock_irqsave with spin_lock in hard IRQ
There is no need to do irqsave and irqrestore in context of hard IRQ.
Link: https://lore.kernel.org/r/1612514278-49220-1-git-send-email-liweihang@huawei.com
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw/vmw_pvrdma')
| -rw-r--r-- | drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c index 00a330909bb3..4b6019e7de67 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c @@ -474,7 +474,6 @@ static irqreturn_t pvrdma_intrx_handler(int irq, void *dev_id) int ring_slots = (dev->dsr->cq_ring_pages.num_pages - 1) * PAGE_SIZE / sizeof(struct pvrdma_cqne); unsigned int head; - unsigned long flags; dev_dbg(&dev->pdev->dev, "interrupt x (completion) handler\n"); @@ -483,11 +482,11 @@ static irqreturn_t pvrdma_intrx_handler(int irq, void *dev_id) struct pvrdma_cq *cq; cqne = get_cqne(dev, head); - spin_lock_irqsave(&dev->cq_tbl_lock, flags); + spin_lock(&dev->cq_tbl_lock); cq = dev->cq_tbl[cqne->info % dev->dsr->caps.max_cq]; if (cq) refcount_inc(&cq->refcnt); - spin_unlock_irqrestore(&dev->cq_tbl_lock, flags); + spin_unlock(&dev->cq_tbl_lock); if (cq && cq->ibcq.comp_handler) cq->ibcq.comp_handler(&cq->ibcq, cq->ibcq.cq_context); |