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| author | David S. Miller <davem@davemloft.net> | 2019-06-22 08:59:24 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-06-22 08:59:24 -0400 |
| commit | 92ad6325cb891bb455487bfe90cc47d18aa6ec37 (patch) | |
| tree | 433a7ef938fae69789216043f67eff9f9c6b0c68 /drivers/infiniband/hw/hfi1/user_sdma.c | |
| parent | e0effb5fbd56a8b2b8917611cbf4fcd9aba92b8f (diff) | |
| parent | c356dc4b540edd6c02b409dd8cf3208ba2804c38 (diff) | |
| download | blackbird-op-linux-92ad6325cb891bb455487bfe90cc47d18aa6ec37.tar.gz blackbird-op-linux-92ad6325cb891bb455487bfe90cc47d18aa6ec37.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Minor SPDX change conflict.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/infiniband/hw/hfi1/user_sdma.c')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/user_sdma.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/infiniband/hw/hfi1/user_sdma.c b/drivers/infiniband/hw/hfi1/user_sdma.c index 8bfbc6d7ea34..fd754a16475a 100644 --- a/drivers/infiniband/hw/hfi1/user_sdma.c +++ b/drivers/infiniband/hw/hfi1/user_sdma.c @@ -130,20 +130,16 @@ static int defer_packet_queue( { struct hfi1_user_sdma_pkt_q *pq = container_of(wait->iow, struct hfi1_user_sdma_pkt_q, busy); - struct user_sdma_txreq *tx = - container_of(txreq, struct user_sdma_txreq, txreq); - if (sdma_progress(sde, seq, txreq)) { - if (tx->busycount++ < MAX_DEFER_RETRY_COUNT) - goto eagain; - } + write_seqlock(&sde->waitlock); + if (sdma_progress(sde, seq, txreq)) + goto eagain; /* * We are assuming that if the list is enqueued somewhere, it * is to the dmawait list since that is the only place where * it is supposed to be enqueued. */ xchg(&pq->state, SDMA_PKT_Q_DEFERRED); - write_seqlock(&sde->waitlock); if (list_empty(&pq->busy.list)) { iowait_get_priority(&pq->busy); iowait_queue(pkts_sent, &pq->busy, &sde->dmawait); @@ -151,6 +147,7 @@ static int defer_packet_queue( write_sequnlock(&sde->waitlock); return -EBUSY; eagain: + write_sequnlock(&sde->waitlock); return -EAGAIN; } @@ -804,7 +801,6 @@ static int user_sdma_send_pkts(struct user_sdma_request *req, u16 maxpkts) tx->flags = 0; tx->req = req; - tx->busycount = 0; INIT_LIST_HEAD(&tx->list); /* |
