26 lines
690 B
Diff
26 lines
690 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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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.0-rt1.tar.xz
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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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--- a/kernel/sched/core.c
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+++ b/kernel/sched/core.c
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@@ -1345,6 +1345,12 @@ static int select_fallback_rq(int cpu, s
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}
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}
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+ /*
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+ * Clear PF_NO_SETAFFINITY, otherwise we wreckage
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+ * migrate_disable/enable. See optimization for
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+ * PF_NO_SETAFFINITY tasks there.
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+ */
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+ p->flags &= ~PF_NO_SETAFFINITY;
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return dest_cpu;
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}
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