[PATCH] smpboot: Use preempt_enable_no_resched() before schedule()

From: Kirill Tkhai
Date: Wed Feb 12 2014 - 05:28:52 EST


Signed-off-by: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx>
CC: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
kernel/smpboot.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/smpboot.c b/kernel/smpboot.c
index eb89e18..c6e1c56 100644
--- a/kernel/smpboot.c
+++ b/kernel/smpboot.c
@@ -152,7 +152,7 @@ static int smpboot_thread_fn(void *data)
}

if (!ht->thread_should_run(td->cpu)) {
- preempt_enable();
+ preempt_enable_no_resched();
schedule();
} else {
set_current_state(TASK_RUNNING);

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