From: Suresh Siddha <suresh.b.siddha@intel.com>
Date: Fri, 9 Jul 2010 13:19:54 +0000 (+0200)
Subject: sched: Update rq->clock for nohz balanced cpus
X-Git-Tag: firefly_0821_release~9833^2~1266^2~5
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5343bdb8fd076f16edc9d113a9e35e2a1d1f4966;p=firefly-linux-kernel-4.4.55.git

sched: Update rq->clock for nohz balanced cpus

Suresh spotted that we don't update the rq->clock in the nohz
load-balancer path.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1278626014.2834.74.camel@sbs-t61.sc.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index b4da534f4b8c..e44a591531a1 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -3596,6 +3596,7 @@ static void nohz_idle_balance(int this_cpu, enum cpu_idle_type idle)
 		}
 
 		raw_spin_lock_irq(&this_rq->lock);
+		update_rq_clock(this_rq);
 		update_cpu_load(this_rq);
 		raw_spin_unlock_irq(&this_rq->lock);