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From bd752a86ecbbb6f949c2310ca3cfead74ed0ecad Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 4 Nov 2011 20:48:36 +0100
Subject: [PATCH 154/274] sched-clear-pf-thread-bound-on-fallback-rq.patch
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
kernel/sched/core.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index c4f6bd2..1aa8432 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -1325,6 +1325,12 @@ 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;
}
--
1.7.10.4
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