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authorDavid Howells <dhowells@redhat.com>2017-11-13 15:36:33 +0000
committerDavid Howells <dhowells@redhat.com>2017-11-13 15:36:33 +0000
commit81445e63e67a1e98b1c2575fa2b406d4289d2754 (patch)
tree2d121d1873b3e8ec7b71086c4db2f5cb207a46ec /drivers/clocksource/mips-gic-timer.c
parentede372dcae15d3ba1d3d52ac45be7a27ce31be28 (diff)
parentb24591e2fcf852ad7ad2ccf745c8220bf378d312 (diff)
Merge remote-tracking branch 'tip/timers/core' into afs-next
These AFS patches need the timer_reduce() patch from timers/core. Signed-off-by: David Howells <dhowells@redhat.com>
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;
}