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authorJason Gunthorpe <jgg@nvidia.com>2023-06-27 14:06:29 -0300
committerJason Gunthorpe <jgg@nvidia.com>2023-06-27 14:06:29 -0300
commit5f004bcaee4cb552cf1b46a505f18f08777db7e5 (patch)
treec81bdd8e01ba8de9862c8bdb1b210559d4bcf154 /drivers/infiniband/sw/rxe/rxe_req.c
parent4251f631fdfba0b38e4634510c5950ee157cc069 (diff)
parent6995e2de6891c724bfeb2db33d7b87775f913ad1 (diff)
Merge tag 'v6.4' into rdma.git for-next
Linux 6.4 Resolve conflicts between rdma rc and next in rxe_cq matching linux-next: drivers/infiniband/sw/rxe/rxe_cq.c: https://lore.kernel.org/r/20230622115246.365d30ad@canb.auug.org.au Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe_req.c')
-rw-r--r--drivers/infiniband/sw/rxe/rxe_req.c30
1 files changed, 17 insertions, 13 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_req.c b/drivers/infiniband/sw/rxe/rxe_req.c
index 400840c913a9..2171f19494bc 100644
--- a/drivers/infiniband/sw/rxe/rxe_req.c
+++ b/drivers/infiniband/sw/rxe/rxe_req.c
@@ -99,17 +99,18 @@ static void req_retry(struct rxe_qp *qp)
void rnr_nak_timer(struct timer_list *t)
{
struct rxe_qp *qp = from_timer(qp, t, rnr_nak_timer);
+ unsigned long flags;
rxe_dbg_qp(qp, "nak timer fired\n");
- spin_lock_bh(&qp->state_lock);
+ spin_lock_irqsave(&qp->state_lock, flags);
if (qp->valid) {
/* request a send queue retry */
qp->req.need_retry = 1;
qp->req.wait_for_rnr_timer = 0;
rxe_sched_task(&qp->req.task);
}
- spin_unlock_bh(&qp->state_lock);
+ spin_unlock_irqrestore(&qp->state_lock, flags);
}
static void req_check_sq_drain_done(struct rxe_qp *qp)
@@ -118,8 +119,9 @@ static void req_check_sq_drain_done(struct rxe_qp *qp)
unsigned int index;
unsigned int cons;
struct rxe_send_wqe *wqe;
+ unsigned long flags;
- spin_lock_bh(&qp->state_lock);
+ spin_lock_irqsave(&qp->state_lock, flags);
if (qp_state(qp) == IB_QPS_SQD) {
q = qp->sq.queue;
index = qp->req.wqe_index;
@@ -140,7 +142,7 @@ static void req_check_sq_drain_done(struct rxe_qp *qp)
break;
qp->attr.sq_draining = 0;
- spin_unlock_bh(&qp->state_lock);
+ spin_unlock_irqrestore(&qp->state_lock, flags);
if (qp->ibqp.event_handler) {
struct ib_event ev;
@@ -154,7 +156,7 @@ static void req_check_sq_drain_done(struct rxe_qp *qp)
return;
} while (0);
}
- spin_unlock_bh(&qp->state_lock);
+ spin_unlock_irqrestore(&qp->state_lock, flags);
}
static struct rxe_send_wqe *__req_next_wqe(struct rxe_qp *qp)
@@ -173,6 +175,7 @@ static struct rxe_send_wqe *__req_next_wqe(struct rxe_qp *qp)
static struct rxe_send_wqe *req_next_wqe(struct rxe_qp *qp)
{
struct rxe_send_wqe *wqe;
+ unsigned long flags;
req_check_sq_drain_done(qp);
@@ -180,13 +183,13 @@ static struct rxe_send_wqe *req_next_wqe(struct rxe_qp *qp)
if (wqe == NULL)
return NULL;
- spin_lock_bh(&qp->state_lock);
+ spin_lock_irqsave(&qp->state_lock, flags);
if (unlikely((qp_state(qp) == IB_QPS_SQD) &&
(wqe->state != wqe_state_processing))) {
- spin_unlock_bh(&qp->state_lock);
+ spin_unlock_irqrestore(&qp->state_lock, flags);
return NULL;
}
- spin_unlock_bh(&qp->state_lock);
+ spin_unlock_irqrestore(&qp->state_lock, flags);
wqe->mask = wr_opcode_mask(wqe->wr.opcode, qp);
return wqe;
@@ -676,16 +679,17 @@ int rxe_requester(struct rxe_qp *qp)
struct rxe_queue *q = qp->sq.queue;
struct rxe_ah *ah;
struct rxe_av *av;
+ unsigned long flags;
- spin_lock_bh(&qp->state_lock);
+ spin_lock_irqsave(&qp->state_lock, flags);
if (unlikely(!qp->valid)) {
- spin_unlock_bh(&qp->state_lock);
+ spin_unlock_irqrestore(&qp->state_lock, flags);
goto exit;
}
if (unlikely(qp_state(qp) == IB_QPS_ERR)) {
wqe = __req_next_wqe(qp);
- spin_unlock_bh(&qp->state_lock);
+ spin_unlock_irqrestore(&qp->state_lock, flags);
if (wqe)
goto err;
else
@@ -700,10 +704,10 @@ int rxe_requester(struct rxe_qp *qp)
qp->req.wait_psn = 0;
qp->req.need_retry = 0;
qp->req.wait_for_rnr_timer = 0;
- spin_unlock_bh(&qp->state_lock);
+ spin_unlock_irqrestore(&qp->state_lock, flags);
goto exit;
}
- spin_unlock_bh(&qp->state_lock);
+ spin_unlock_irqrestore(&qp->state_lock, flags);
/* we come here if the retransmit timer has fired
* or if the rnr timer has fired. If the retransmit