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