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authorJohan Hovold <johan@kernel.org>2014-09-15 18:07:37 +0200
committerJohan Hovold <johan@kernel.org>2014-09-15 18:10:34 +0200
commit4b7154ba70bb20a3c024faabdd2bc207b550a813 (patch)
tree99a6e1204ec5deaca27bcbfc75ca16d3633433f2 /kernel/time/tick-sched.c
parentadceac14166da8c466223a35ec59c4a4adeef976 (diff)
parent9e82bf014195d6f0054982c463575cdce24292be (diff)
Merge tag 'v3.17-rc5' into usb-next
USB fixes in Linux 3.17-rc5 are needed to build on top of for 3.18. Signed-off-by: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'kernel/time/tick-sched.c')
-rw-r--r--kernel/time/tick-sched.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 99aa6ee3908f..f654a8a298fa 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -225,6 +225,20 @@ static DEFINE_PER_CPU(struct irq_work, nohz_full_kick_work) = {
};
/*
+ * Kick this CPU if it's full dynticks in order to force it to
+ * re-evaluate its dependency on the tick and restart it if necessary.
+ * This kick, unlike tick_nohz_full_kick_cpu() and tick_nohz_full_kick_all(),
+ * is NMI safe.
+ */
+void tick_nohz_full_kick(void)
+{
+ if (!tick_nohz_full_cpu(smp_processor_id()))
+ return;
+
+ irq_work_queue(&__get_cpu_var(nohz_full_kick_work));
+}
+
+/*
* Kick the CPU if it's full dynticks in order to force it to
* re-evaluate its dependency on the tick and restart it if necessary.
*/