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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2014-05-27 14:40:39 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2014-05-28 10:39:16 +0200 |
| commit | 63aef00b55d37e9fad837a8b38a2c261f0d32041 (patch) | |
| tree | 3cc75663f7b7aef3e303d440a927488e3660657e /drivers/s390/cio/device_fsm.c | |
| parent | s390/lowcore: reserve 96 bytes for IRB in lowcore (diff) | |
| download | linux-63aef00b55d37e9fad837a8b38a2c261f0d32041.tar.xz linux-63aef00b55d37e9fad837a8b38a2c261f0d32041.zip | |
s390/lowcore: replace lowcore irb array with a per-cpu variable
Remove the 96-byte irb array from the lowcore and create a per-cpu
variable instead. That way we will pick up any change in the definition
of the struct irb automatically.
Acked-By: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/device_fsm.c')
| -rw-r--r-- | drivers/s390/cio/device_fsm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c index c7638c543250..0bc902b3cd84 100644 --- a/drivers/s390/cio/device_fsm.c +++ b/drivers/s390/cio/device_fsm.c @@ -739,7 +739,7 @@ ccw_device_irq(struct ccw_device *cdev, enum dev_event dev_event) struct irb *irb; int is_cmd; - irb = (struct irb *)&S390_lowcore.irb; + irb = &__get_cpu_var(cio_irb); is_cmd = !scsw_is_tm(&irb->scsw); /* Check for unsolicited interrupt. */ if (!scsw_is_solicited(&irb->scsw)) { @@ -805,7 +805,7 @@ ccw_device_w4sense(struct ccw_device *cdev, enum dev_event dev_event) { struct irb *irb; - irb = (struct irb *)&S390_lowcore.irb; + irb = &__get_cpu_var(cio_irb); /* Check for unsolicited interrupt. */ if (scsw_stctl(&irb->scsw) == (SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS)) { |