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acpi_pad: uses MONITOR/MWAIT, so it doesn't need to clear TS_POLLING
api_pad exclusively uses MONITOR/MWAIT to sleep in idle, so it does not need the wakeup IPI during idle sleep that is provoked by clearing TS_POLLING. Signed-off-by: Len Brown <len.brown@intel.com> Cc: Shaohua Li <shaohua.li@intel.com>
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1 changed files with 0 additions and 9 deletions
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@ -168,13 +168,6 @@ static int power_saving_thread(void *data)
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do_sleep = 0;
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do_sleep = 0;
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current_thread_info()->status &= ~TS_POLLING;
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/*
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* TS_POLLING-cleared state must be visible before we test
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* NEED_RESCHED:
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*/
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smp_mb();
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expire_time = jiffies + HZ * (100 - idle_pct) / 100;
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expire_time = jiffies + HZ * (100 - idle_pct) / 100;
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while (!need_resched()) {
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while (!need_resched()) {
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@ -200,8 +193,6 @@ static int power_saving_thread(void *data)
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}
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}
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}
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}
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current_thread_info()->status |= TS_POLLING;
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/*
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/*
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* current sched_rt has threshold for rt task running time.
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* current sched_rt has threshold for rt task running time.
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* When a rt task uses 95% CPU time, the rt thread will be
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* When a rt task uses 95% CPU time, the rt thread will be
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