A previous change introduced the atomic use of queue_claimed flag for eq's and cq's. The code works fine, but the clearing of the queue_claimed flag is not atomic. Change queue_claimed = 0 into xchg(&queue_claimed, 0) to be consistent for change under atomicity. Signed-off-by: Dick Kennedy <dick.kennedy@xxxxxxxxxxxx> Signed-off-by: James Smart <jsmart2021@xxxxxxxxx> --- drivers/scsi/lpfc/lpfc_sli.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index b6fb665e6ec4..9ce37560f4c0 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -538,7 +538,7 @@ lpfc_sli4_process_eq(struct lpfc_hba *phba, struct lpfc_queue *eq, if (count > eq->EQ_max_eqe) eq->EQ_max_eqe = count; - eq->queue_claimed = 0; + xchg(&eq->queue_claimed, 0); rearm_and_exit: /* Always clear the EQ. */ @@ -13694,7 +13694,7 @@ __lpfc_sli4_process_cq(struct lpfc_hba *phba, struct lpfc_queue *cq, "0369 No entry from completion queue " "qid=%d\n", cq->queue_id); - cq->queue_claimed = 0; + xchg(&cq->queue_claimed, 0); rearm_and_exit: phba->sli4_hba.sli4_write_cq_db(phba, cq, consumed, -- 2.26.1
