From 5c66f5d193f68c2a7da0f2ad3535ed30ab14307b Mon Sep 17 00:00:00 2001 From: Anirban Chakraborty Date: Tue, 15 Dec 2009 21:29:45 -0800 Subject: [PATCH] [SCSI] qla2xxx: Fix for a multiqueue bug in CPU affinity mode Hold the hardware lock while do the response completion in work queue threads as it involves sharing a common request queue among multiple threads. Signed-off-by: Anirban Chakraborty Signed-off-by: Giridhar Malavali Signed-off-by: James Bottomley --- drivers/scsi/qla2xxx/qla_mid.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c index 2a4c7f4e7b69..b901aa267e7d 100644 --- a/drivers/scsi/qla2xxx/qla_mid.c +++ b/drivers/scsi/qla2xxx/qla_mid.c @@ -639,8 +639,10 @@ static void qla_do_work(struct work_struct *work) struct rsp_que *rsp = container_of(work, struct rsp_que, q_work); struct scsi_qla_host *vha; + spin_lock_irq(&rsp->hw->hardware_lock); vha = qla25xx_get_host(rsp); qla24xx_process_response_queue(vha, rsp); + spin_unlock_irq(&rsp->hw->hardware_lock); } /* create response queue */ -- GitLab