From a6bc0d68c1659d6aaa90d9c8d091f8b5e1696acf 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>
Signed-off-by: Samuel Pascua <pascua.samuel.14@gmail.com>
Signed-off-by: Richard Raya <rdxzv.dev@gmail.com>
---
 kernel/smp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/smp.c b/kernel/smp.c
index 2cb44f9e4498..7f3671ac1667 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -813,7 +813,7 @@ void wake_up_all_idle_cpus(void)
 
 	for_each_possible_cpu(cpu) {
 		preempt_disable();
-		if (cpu != smp_processor_id() && cpu_online(cpu))
+		if (cpu != smp_processor_id() && cpu_online(cpu) && !cpu_isolated(cpu))
 			wake_up_if_idle(cpu);
 		preempt_enable();
 	}