diff options
| author | Giridhar Malavali <giridhar.malavali@cavium.com> | 2017-12-04 14:45:13 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-03-15 10:57:00 +0100 |
| commit | 33d13a80a374d4f7f76c0bffb193b8ceead819f5 (patch) | |
| tree | edf2f184d0b1f59f05aec236d17a97ec59a40b47 /drivers/scsi | |
| parent | b57851dc489f35c36930e88672fa0fbea4ddefbc (diff) | |
scsi: qla2xxx: Defer processing of GS IOCB calls
commit 5d3300a9b8b122b4743aed5a178bf12c87e2b8c9 upstream.
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@vger.kernel.org> # 4.10+
Signed-off-by: Giridhar Malavali <giridhar.malavali@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_init.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 39b08ea41ea6..4ff13a1e6805 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; } |