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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2014-09-30 17:37:52 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2014-10-09 09:14:02 +0200 |
| commit | fe0f49768d807a8fe6336b097feb8c4441951710 (patch) | |
| tree | 5473c103c550bfa72871b4418521f7836a24d6b1 /drivers/s390/cio/airq.c | |
| parent | a9b1649917f0d2058022eda06082f9d299a06354 (diff) | |
| download | talos-obmc-linux-fe0f49768d807a8fe6336b097feb8c4441951710.tar.gz talos-obmc-linux-fe0f49768d807a8fe6336b097feb8c4441951710.zip | |
s390/nohz: use a per-cpu flag for arch_needs_cpu
Move the nohz_delay bit from the s390_idle data structure to the
per-cpu flags. Clear the nohz delay flag in __cpu_disable and
remove the cpu hotplug notifier that used to do this.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/airq.c')
| -rw-r--r-- | drivers/s390/cio/airq.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/s390/cio/airq.c b/drivers/s390/cio/airq.c index 00bfbee0af9e..56eb4ee4deba 100644 --- a/drivers/s390/cio/airq.c +++ b/drivers/s390/cio/airq.c @@ -87,7 +87,7 @@ static irqreturn_t do_airq_interrupt(int irq, void *dummy) struct airq_struct *airq; struct hlist_head *head; - __this_cpu_write(s390_idle.nohz_delay, 1); + set_cpu_flag(CIF_NOHZ_DELAY); tpi_info = (struct tpi_info *) &get_irq_regs()->int_code; head = &airq_lists[tpi_info->isc]; rcu_read_lock(); |
