Merge branch 'merge'
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@ -501,7 +501,8 @@ static void pseries_dedicated_idle_sleep(void)
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}
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/*
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* Cede if the other thread is not idle, so that it can
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* If not SMT, cede processor. If CPU is running SMT
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* cede if the other thread is not idle, so that it can
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* go single-threaded. If the other thread is idle,
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* we ask the hypervisor if it has pending work it
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* wants to do and cede if it does. Otherwise we keep
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@ -514,7 +515,8 @@ static void pseries_dedicated_idle_sleep(void)
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* very low priority. The cede enables interrupts, which
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* doesn't matter here.
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*/
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if (!lppaca[cpu ^ 1].idle || poll_pending() == H_PENDING)
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if (!cpu_has_feature(CPU_FTR_SMT) || !lppaca[cpu ^ 1].idle
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|| poll_pending() == H_PENDING)
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cede_processor();
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out:
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