diff options
| author |   Sebastian Ott <sebott@linux.vnet.ibm.com> | 2011-12-01 13:32:19 +0100 |
|---|---|---|
| committer |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2011-12-01 13:32:17 +0100 |
| commit | 817e5000ebc4d448ca514db49b55073a724f8552 (patch) | |
| tree | eea9284fcc6cd702161eff7611de394822329c30 /drivers/s390/cio/device.c | |
| parent | [S390] remove reset of system call restart on psw changes (diff) | |
| download | linux-dev-817e5000ebc4d448ca514db49b55073a724f8552.tar.xz linux-dev-817e5000ebc4d448ca514db49b55073a724f8552.zip | |
[S390] hibernate: directly trigger subchannel evaluation
Using the generic css_schedule_eval to evaluate subchannels
while resuming from hibernation is very slow when used with
many devices. Provide a new evaluation trigger which exploits
css_sched_sch_todo and use this in the resume callback for
ccw devices.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/device.c')
| -rw-r--r-- | drivers/s390/cio/device.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index d734f4a0ecac..47269858ecb6 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -1868,9 +1868,9 @@ static void __ccw_device_pm_restore(struct ccw_device *cdev) */ cdev->private->flags.resuming = 1; cdev->private->path_new_mask = LPM_ANYPATH; - css_schedule_eval(sch->schid); + css_sched_sch_todo(sch, SCH_TODO_EVAL); spin_unlock_irq(sch->lock); - css_complete_work(); + css_wait_for_slow_path(); /* cdev may have been moved to a different subchannel. */ sch = to_subchannel(cdev->dev.parent); |