From: Giridhar Malavali <giridhar.malavali@xxxxxxxxxx>
This patch defers processing of GS IOCB calls from interrupt
context to avoid hardware spinlock recursion.
Following stack trace is seen
? mod_timer+0x193/0x330
? ql_dbg+0xa7/0xf0 [qla2xxx]
_raw_spin_lock_irqsave+0x31/0x40
qla2x00_start_sp+0x3b/0x250 [qla2xxx]
qla24xx_async_gnl+0x1d3/0x240 [qla2xxx]
qla24xx_fcport_handle_login+0x285/0x290 [qla2xxx]
? vprintk_func+0x20/0x50
Fixes: 726b85487067d ("qla2xxx: Add framework for async fabric discovery")
Cc: <stable@xxxxxxxxxxxxxxx> # 4.10+
Signed-off-by: Giridhar Malavali <giridhar.malavali@xxxxxxxxxx>
Signed-off-by: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx>
Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>
---
drivers/scsi/qla2xxx/qla_init.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 7dd19785f820..57b8f43c5980 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -975,7 +975,7 @@ int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport)
ql_dbg(ql_dbg_disc, vha, 0x20bd,
"%s %d %8phC post gnl\n",
__func__, __LINE__, fcport->port_name);
- qla24xx_async_gnl(vha, fcport);
+ qla24xx_post_gnl_work(vha, fcport);
} else {
ql_dbg(ql_dbg_disc, vha, 0x20bf,
"%s %d %8phC post login\n",
@@ -1143,7 +1143,7 @@ void qla24xx_handle_relogin_event(scsi_qla_host_t *vha,
ql_dbg(ql_dbg_disc, vha, 0x20e9, "%s %d %8phC post gidpn\n",
__func__, __LINE__, fcport->port_name);
- qla24xx_async_gidpn(vha, fcport);
+ qla24xx_post_gidpn_work(vha, fcport);
return;
}
--
2.12.0
