diff options
| author | Jamie Wellnitz <Jamie.Wellnitz@emulex.com> | 2006-02-28 22:33:12 -0500 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-03-06 09:47:46 -0600 |
| commit | b808608bd7afdf1b0a2eb096ff2b5b93781fdbb6 (patch) | |
| tree | c09a1b80000231144129ef988c259117e55630aa /drivers/scsi/lpfc/lpfc_sli.c | |
| parent | 66a9ed66000d186933892ca5121e68a071d624ac (diff) | |
[PATCH] lpfc 8.1.3: Fix polling mode panic
Fix polling mode panic
Cause: Race between interrupt driven and polling path in harvesting iocbs
from
the response ring.
Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index d08fd89dd44f..764aadbec71b 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -1154,12 +1154,17 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba * phba, cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring, &rspiocbq); if ((cmdiocbq) && (cmdiocbq->iocb_cmpl)) { - spin_unlock_irqrestore( - phba->host->host_lock, iflag); - (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, - &rspiocbq); - spin_lock_irqsave(phba->host->host_lock, - iflag); + if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) { + (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, + &rspiocbq); + } else { + spin_unlock_irqrestore( + phba->host->host_lock, iflag); + (cmdiocbq->iocb_cmpl)(phba, cmdiocbq, + &rspiocbq); + spin_lock_irqsave(phba->host->host_lock, + iflag); + } } break; default: |