diff options
Diffstat (limited to 'drivers/cpuidle')
| -rw-r--r-- | drivers/cpuidle/cpuidle-powernv.c | 5 | ||||
| -rw-r--r-- | drivers/cpuidle/cpuidle-pseries.c | 8 |
2 files changed, 10 insertions, 3 deletions
diff --git a/drivers/cpuidle/cpuidle-powernv.c b/drivers/cpuidle/cpuidle-powernv.c index 0b5461b3d7dd..9ebedd972df0 100644 --- a/drivers/cpuidle/cpuidle-powernv.c +++ b/drivers/cpuidle/cpuidle-powernv.c @@ -76,6 +76,7 @@ static int snooze_loop(struct cpuidle_device *dev, local_irq_enable(); snooze_exit_time = get_tb() + get_snooze_timeout(dev, drv, index); + dev->poll_time_limit = false; ppc64_runlatch_off(); HMT_very_low(); while (!need_resched()) { @@ -86,6 +87,7 @@ static int snooze_loop(struct cpuidle_device *dev, * cleared to order subsequent test of need_resched(). */ clear_thread_flag(TIF_POLLING_NRFLAG); + dev->poll_time_limit = true; smp_mb(); break; } @@ -155,7 +157,8 @@ static struct cpuidle_state powernv_states[CPUIDLE_STATE_MAX] = { .desc = "snooze", .exit_latency = 0, .target_residency = 0, - .enter = snooze_loop }, + .enter = snooze_loop, + .flags = CPUIDLE_FLAG_POLLING }, }; static int powernv_cpuidle_cpu_online(unsigned int cpu) diff --git a/drivers/cpuidle/cpuidle-pseries.c b/drivers/cpuidle/cpuidle-pseries.c index 7e7ab5597d7a..1bad4d2b7be3 100644 --- a/drivers/cpuidle/cpuidle-pseries.c +++ b/drivers/cpuidle/cpuidle-pseries.c @@ -44,6 +44,7 @@ static int snooze_loop(struct cpuidle_device *dev, pseries_idle_prolog(); local_irq_enable(); snooze_exit_time = get_tb() + snooze_timeout; + dev->poll_time_limit = false; while (!need_resched()) { HMT_low(); @@ -54,6 +55,7 @@ static int snooze_loop(struct cpuidle_device *dev, * loop anyway. Require a barrier after polling is * cleared to order subsequent test of need_resched(). */ + dev->poll_time_limit = true; clear_thread_flag(TIF_POLLING_NRFLAG); smp_mb(); break; @@ -268,7 +270,8 @@ static struct cpuidle_state dedicated_states[NR_DEDICATED_STATES] = { .desc = "snooze", .exit_latency = 0, .target_residency = 0, - .enter = &snooze_loop }, + .enter = &snooze_loop, + .flags = CPUIDLE_FLAG_POLLING }, { /* CEDE */ .name = "CEDE", .desc = "CEDE", @@ -286,7 +289,8 @@ static struct cpuidle_state shared_states[] = { .desc = "snooze", .exit_latency = 0, .target_residency = 0, - .enter = &snooze_loop }, + .enter = &snooze_loop, + .flags = CPUIDLE_FLAG_POLLING }, { /* Shared Cede */ .name = "Shared Cede", .desc = "Shared Cede", |