From e38c1ce12351b6e8bfa8a4237d940449afcc7500 Mon Sep 17 00:00:00 2001
From: Olav Haugan <ohaugan@codeaurora.org>
Date: Sun, 29 May 2016 19:53:00 -0700
Subject: [PATCH] smp: Do not wake up all idle CPUs

Do not wake up cpus that are isolated.

Change-Id: I07702bb5b738c1c75c49a2ca4cb08be0231ccb12
Signed-off-by: Olav Haugan <ohaugan@codeaurora.org>
---
 kernel/smp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/smp.c b/kernel/smp.c
index abdc48cd79a3..b2ec21c5c9d6 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -766,8 +766,8 @@ void wake_up_all_idle_cpus(void)
 	for_each_online_cpu(cpu) {
 		if (cpu == smp_processor_id())
 			continue;
-
-		wake_up_if_idle(cpu);
+		if (!cpu_isolated(cpu))
+			wake_up_if_idle(cpu);
 	}
 	preempt_enable();
 }