summaryrefslogtreecommitdiffstats
path: root/arch/s390/kernel/process.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/s390/kernel/process.c')
-rw-r--r--arch/s390/kernel/process.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 7618085..3732e4c 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -77,13 +77,8 @@ static void default_idle(void)
local_irq_enable();
return;
}
- trace_hardirqs_on();
- /* Don't trace preempt off for idle. */
- stop_critical_timings();
- /* Stop virtual timer and halt the cpu. */
+ /* Halt the cpu and keep track of cpu time accounting. */
vtime_stop_cpu();
- /* Reenable preemption tracer. */
- start_critical_timings();
}
void cpu_idle(void)
OpenPOWER on IntegriCloud