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| author | Andrew Vasquez <andrew.vasquez@qlogic.com> | 2007-03-12 10:41:28 -0700 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2007-03-20 10:50:30 -0500 |
| commit | 40a2e34a94c336b716f631b2952d233e1ba76e3c (patch) | |
| tree | 340b3bc993fad1854a858c725417fb8d8f10e534 /drivers | |
| parent | ed6770863945e6695f403c7b951395dab298c392 (diff) | |
| download | kernel_samsung_crespo-40a2e34a94c336b716f631b2952d233e1ba76e3c.zip kernel_samsung_crespo-40a2e34a94c336b716f631b2952d233e1ba76e3c.tar.gz kernel_samsung_crespo-40a2e34a94c336b716f631b2952d233e1ba76e3c.tar.bz2 | |
[SCSI] qla2xxx: Add cond_resched() calls during HBA flash manipulation.
We're observing soft lockups during HBA FLASH retrieval and
update. Add cond_resched() each time around the tight-loops
during flash read()s/write()s.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_sup.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c index ff1dd41..362d041 100644 --- a/drivers/scsi/qla2xxx/qla_sup.c +++ b/drivers/scsi/qla2xxx/qla_sup.c @@ -466,6 +466,7 @@ qla24xx_read_flash_dword(scsi_qla_host_t *ha, uint32_t addr) udelay(10); else rval = QLA_FUNCTION_TIMEOUT; + cond_resched(); } /* TODO: What happens if we time out? */ @@ -508,6 +509,7 @@ qla24xx_write_flash_dword(scsi_qla_host_t *ha, uint32_t addr, uint32_t data) udelay(10); else rval = QLA_FUNCTION_TIMEOUT; + cond_resched(); } return rval; } @@ -1255,6 +1257,7 @@ qla2x00_poll_flash(scsi_qla_host_t *ha, uint32_t addr, uint8_t poll_data, } udelay(10); barrier(); + cond_resched(); } return status; } @@ -1403,6 +1406,7 @@ qla2x00_read_flash_data(scsi_qla_host_t *ha, uint8_t *tmp_buf, uint32_t saddr, if (saddr % 100) udelay(10); *tmp_buf = data; + cond_resched(); } } @@ -1689,6 +1693,7 @@ update_flash: rval = QLA_FUNCTION_FAILED; break; } + cond_resched(); } } while (0); qla2x00_flash_disable(ha); |