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authorIngo Molnar <mingo@kernel.org>2017-11-29 09:11:24 +0300
committerIngo Molnar <mingo@kernel.org>2017-11-29 09:11:24 +0300
commit4fc31ba13d052c2933bf91095c063cf9a39effd0 (patch)
treebeabb73c2fe245e6541126732895da62e55bc8ee /drivers/clocksource/mips-gic-timer.c
parent0e18dd12064e07519f7cbff4149ca7fff620cbed (diff)
parentb29c6ef7bb1257853c1e31616d84f55e561cf631 (diff)
downloadlinux-4fc31ba13d052c2933bf91095c063cf9a39effd0.tar.xz
Merge branch 'linus' into perf/urgent, to pick up dependent commits
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/clocksource/mips-gic-timer.c')
-rw-r--r--drivers/clocksource/mips-gic-timer.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/clocksource/mips-gic-timer.c b/drivers/clocksource/mips-gic-timer.c
index ae3167c28b12..a04808a21d4e 100644
--- a/drivers/clocksource/mips-gic-timer.c
+++ b/drivers/clocksource/mips-gic-timer.c
@@ -39,16 +39,18 @@ static u64 notrace gic_read_count(void)
static int gic_next_event(unsigned long delta, struct clock_event_device *evt)
{
- unsigned long flags;
+ int cpu = cpumask_first(evt->cpumask);
u64 cnt;
int res;
cnt = gic_read_count();
cnt += (u64)delta;
- local_irq_save(flags);
- write_gic_vl_other(mips_cm_vp_id(cpumask_first(evt->cpumask)));
- write_gic_vo_compare(cnt);
- local_irq_restore(flags);
+ if (cpu == raw_smp_processor_id()) {
+ write_gic_vl_compare(cnt);
+ } else {
+ write_gic_vl_other(mips_cm_vp_id(cpu));
+ write_gic_vo_compare(cnt);
+ }
res = ((int)(gic_read_count() - cnt) >= 0) ? -ETIME : 0;
return res;
}