diff options
Diffstat (limited to 'arch/powerpc/platforms')
| -rw-r--r-- | arch/powerpc/platforms/iseries/setup.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c index fad493e29d37..37ae07ee54a9 100644 --- a/arch/powerpc/platforms/iseries/setup.c +++ b/arch/powerpc/platforms/iseries/setup.c @@ -26,6 +26,8 @@ #include <linux/major.h> #include <linux/root_dev.h> #include <linux/kernel.h> +#include <linux/hrtimer.h> +#include <linux/tick.h> #include <asm/processor.h> #include <asm/machdep.h> @@ -561,6 +563,7 @@ static void yield_shared_processor(void) static void iseries_shared_idle(void) { while (1) { + tick_nohz_stop_sched_tick(); while (!need_resched() && !hvlpevent_is_pending()) { local_irq_disable(); ppc64_runlatch_off(); @@ -574,6 +577,7 @@ static void iseries_shared_idle(void) } ppc64_runlatch_on(); + tick_nohz_restart_sched_tick(); if (hvlpevent_is_pending()) process_iSeries_events(); @@ -589,6 +593,7 @@ static void iseries_dedicated_idle(void) set_thread_flag(TIF_POLLING_NRFLAG); while (1) { + tick_nohz_stop_sched_tick(); if (!need_resched()) { while (!need_resched()) { ppc64_runlatch_off(); @@ -605,6 +610,7 @@ static void iseries_dedicated_idle(void) } ppc64_runlatch_on(); + tick_nohz_restart_sched_tick(); preempt_enable_no_resched(); schedule(); preempt_disable(); |