diff options
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_rc.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_rc.c b/drivers/infiniband/hw/ipath/ipath_rc.c index b4b88d0b53f..e3e53327635 100644 --- a/drivers/infiniband/hw/ipath/ipath_rc.c +++ b/drivers/infiniband/hw/ipath/ipath_rc.c @@ -587,6 +587,7 @@ static void send_rc_ack(struct ipath_qp *qp) u32 hwords; struct ipath_ib_header hdr; struct ipath_other_headers *ohdr; + unsigned long flags; /* Don't send ACK or NAK if a RDMA read or atomic is pending. */ if (qp->r_head_ack_queue != qp->s_tail_ack_queue) @@ -640,11 +641,11 @@ static void send_rc_ack(struct ipath_qp *qp) dev->n_rc_qacks++; queue_ack: - spin_lock_irq(&qp->s_lock); + spin_lock_irqsave(&qp->s_lock, flags); qp->s_flags |= IPATH_S_ACK_PENDING; qp->s_nak_state = qp->r_nak_state; qp->s_ack_psn = qp->r_ack_psn; - spin_unlock_irq(&qp->s_lock); + spin_unlock_irqrestore(&qp->s_lock, flags); /* Call ipath_do_rc_send() in another thread. */ tasklet_hi_schedule(&qp->s_task); @@ -1294,6 +1295,7 @@ static inline int ipath_rc_rcv_error(struct ipath_ibdev *dev, struct ipath_ack_entry *e; u8 i, prev; int old_req; + unsigned long flags; if (diff > 0) { /* @@ -1327,7 +1329,7 @@ static inline int ipath_rc_rcv_error(struct ipath_ibdev *dev, psn &= IPATH_PSN_MASK; e = NULL; old_req = 1; - spin_lock_irq(&qp->s_lock); + spin_lock_irqsave(&qp->s_lock, flags); for (i = qp->r_head_ack_queue; ; i = prev) { if (i == qp->s_tail_ack_queue) old_req = 0; @@ -1425,7 +1427,7 @@ static inline int ipath_rc_rcv_error(struct ipath_ibdev *dev, * after all the previous RDMA reads and atomics. */ if (i == qp->r_head_ack_queue) { - spin_unlock_irq(&qp->s_lock); + spin_unlock_irqrestore(&qp->s_lock, flags); qp->r_nak_state = 0; qp->r_ack_psn = qp->r_psn - 1; goto send_ack; @@ -1443,7 +1445,7 @@ static inline int ipath_rc_rcv_error(struct ipath_ibdev *dev, tasklet_hi_schedule(&qp->s_task); unlock_done: - spin_unlock_irq(&qp->s_lock); + spin_unlock_irqrestore(&qp->s_lock, flags); done: return 1; @@ -1453,10 +1455,12 @@ send_ack: static void ipath_rc_error(struct ipath_qp *qp, enum ib_wc_status err) { - spin_lock_irq(&qp->s_lock); + unsigned long flags; + + spin_lock_irqsave(&qp->s_lock, flags); qp->state = IB_QPS_ERR; ipath_error_qp(qp, err); - spin_unlock_irq(&qp->s_lock); + spin_unlock_irqrestore(&qp->s_lock, flags); } /** |