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authorJames Smart <james.smart@emulex.com>2013-12-17 20:29:01 -0500
committerJames Bottomley <JBottomley@Parallels.com>2014-03-15 10:18:54 -0700
commit76f96b6dfddf7804b3d33ede60a0c63bae271361 (patch)
treeca13862c0953cb9b5288458b722ee2d465f58776 /drivers/scsi/lpfc/lpfc_sli.c
parent4b4f30ccbb5de164df041daf94bfc8be0023cd92 (diff)
downloadop-kernel-dev-76f96b6dfddf7804b3d33ede60a0c63bae271361.zip
op-kernel-dev-76f96b6dfddf7804b3d33ede60a0c63bae271361.tar.gz
[SCSI] lpfc 8.3.44: Fixed IO hang when in msi mode.
Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 8f580fd..838e5b9 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -8032,7 +8032,8 @@ lpfc_sli4_scmd_to_wqidx_distr(struct lpfc_hba *phba)
struct lpfc_vector_map_info *cpup;
int chann, cpu;
- if (phba->cfg_fcp_io_sched == LPFC_FCP_SCHED_BY_CPU) {
+ if (phba->cfg_fcp_io_sched == LPFC_FCP_SCHED_BY_CPU
+ && phba->cfg_fcp_io_channel > 1) {
cpu = smp_processor_id();
if (cpu < phba->sli4_hba.num_present_cpu) {
cpup = phba->sli4_hba.cpu_map;
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