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authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-11 08:58:32 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-11 08:58:32 -0700
commit2490138cb785d299d898b579fa2874a59a3d321a (patch)
treefc9acc19ce1e089e383f901e4eaa406a739f4837 /drivers/infiniband/hw/mthca/mthca_qp.c
parentf6f79190866d5b2d06a2114d673f91f54e7c7ce4 (diff)
parent73f526da0260db5376951373c267596993dc13a8 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (48 commits) RDMA/iwcm: Reject the connection when the cm_id is destroyed RDMA/cxgb3: Clean up properly on FW mismatch failures RDMA/cxgb3: Don't ignore insert_handle() failures MAINTAINERS: InfiniBand/RDMA mailing list transition to vger IB/mad: Allow tuning of QP0 and QP1 sizes IB/mad: Fix possible lock-lock-timer deadlock RDMA/nes: Map MTU to IB_MTU_* and correctly report link state RDMA/nes: Rework the disconn routine for terminate and flushing RDMA/nes: Use the flush code to fill in cqe error RDMA/nes: Make poll_cq return correct number of wqes during flush RDMA/nes: Use flush mechanism to set status for wqe in error RDMA/nes: Implement Terminate Packet RDMA/nes: Add CQ error handling RDMA/nes: Clean out CQ completions when QP is destroyed RDMA/nes: Change memory allocation for cqp request to GFP_ATOMIC RDMA/nes: Allocate work item for disconnect event handling RDMA/nes: Update refcnt during disconnect IB/mthca: Don't allow userspace open while recovering from catastrophic error IB/mthca: Distinguish multiple devices in /proc/interrupts IB/mthca: Annotate CQ locking ...
Diffstat (limited to 'drivers/infiniband/hw/mthca/mthca_qp.c')
-rw-r--r--drivers/infiniband/hw/mthca/mthca_qp.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c
index f5081bfde6d..c10576fa60c 100644
--- a/drivers/infiniband/hw/mthca/mthca_qp.c
+++ b/drivers/infiniband/hw/mthca/mthca_qp.c
@@ -1319,10 +1319,12 @@ int mthca_alloc_qp(struct mthca_dev *dev,
}
static void mthca_lock_cqs(struct mthca_cq *send_cq, struct mthca_cq *recv_cq)
+ __acquires(&send_cq->lock) __acquires(&recv_cq->lock)
{
- if (send_cq == recv_cq)
+ if (send_cq == recv_cq) {
spin_lock_irq(&send_cq->lock);
- else if (send_cq->cqn < recv_cq->cqn) {
+ __acquire(&recv_cq->lock);
+ } else if (send_cq->cqn < recv_cq->cqn) {
spin_lock_irq(&send_cq->lock);
spin_lock_nested(&recv_cq->lock, SINGLE_DEPTH_NESTING);
} else {
@@ -1332,10 +1334,12 @@ static void mthca_lock_cqs(struct mthca_cq *send_cq, struct mthca_cq *recv_cq)
}
static void mthca_unlock_cqs(struct mthca_cq *send_cq, struct mthca_cq *recv_cq)
+ __releases(&send_cq->lock) __releases(&recv_cq->lock)
{
- if (send_cq == recv_cq)
+ if (send_cq == recv_cq) {
+ __release(&recv_cq->lock);
spin_unlock_irq(&send_cq->lock);
- else if (send_cq->cqn < recv_cq->cqn) {
+ } else if (send_cq->cqn < recv_cq->cqn) {
spin_unlock(&recv_cq->lock);
spin_unlock_irq(&send_cq->lock);
} else {