27 lines
692 B
Diff
27 lines
692 B
Diff
Subject: sched-clear-pf-thread-bound-on-fallback-rq.patch
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From: Thomas Gleixner <tglx@linutronix.de>
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Date: Fri, 04 Nov 2011 20:48:36 +0100
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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---
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kernel/sched/core.c | 6 ++++++
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1 file changed, 6 insertions(+)
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Index: linux-stable/kernel/sched/core.c
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===================================================================
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--- linux-stable.orig/kernel/sched/core.c
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+++ linux-stable/kernel/sched/core.c
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@@ -1323,6 +1323,12 @@ out:
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}
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}
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+ /*
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+ * Clear PF_THREAD_BOUND, otherwise we wreckage
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+ * migrate_disable/enable. See optimization for
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+ * PF_THREAD_BOUND tasks there.
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+ */
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+ p->flags &= ~PF_THREAD_BOUND;
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return dest_cpu;
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}
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