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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2014-09-30 15:37:52 (GMT) |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2014-10-09 07:14:02 (GMT) |
| commit | fe0f49768d807a8fe6336b097feb8c4441951710 (patch) | |
| tree | 5473c103c550bfa72871b4418521f7836a24d6b1 /arch/s390/kernel/smp.c | |
| parent | a9b1649917f0d2058022eda06082f9d299a06354 (diff) | |
| download | linux-fe0f49768d807a8fe6336b097feb8c4441951710.tar.xz | |
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 'arch/s390/kernel/smp.c')
| -rw-r--r-- | arch/s390/kernel/smp.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index abec97b..46317d6 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -720,6 +720,7 @@ int __cpu_disable(void) cregs[6] &= ~0xff000000UL; /* disable all I/O interrupts */ cregs[14] &= ~0x1f000000UL; /* disable most machine checks */ __ctl_load(cregs, 0, 15); + clear_cpu_flag(CIF_NOHZ_DELAY); return 0; } |