Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus

[firefly-linux-kernel-4.4.55.git] / kernel / sched.c

diff --git a/kernel/sched.c b/kernel/sched.c
index efecfdad1b5f8f04cf8e1b2a97987d9733429350..98972d366fdc5bd8c2bf6232ee212e90d20be5cb 100644 (file)
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -6564,6 +6564,11 @@ SYSCALL_DEFINE0(sched_yield)
        return 0;
 }
 
+static inline int should_resched(void)
+{
+       return need_resched() && !(preempt_count() & PREEMPT_ACTIVE);
+}
+
 static void __cond_resched(void)
 {
 #ifdef CONFIG_DEBUG_SPINLOCK_SLEEP
@@ -6583,8 +6588,7 @@ static void __cond_resched(void)
 
 int __sched _cond_resched(void)
 {
-       if (need_resched() && !(preempt_count() & PREEMPT_ACTIVE) &&
-                                       system_state == SYSTEM_RUNNING) {
+       if (should_resched()) {
                __cond_resched();
                return 1;
        }
@@ -6602,12 +6606,12 @@ EXPORT_SYMBOL(_cond_resched);
  */
 int cond_resched_lock(spinlock_t *lock)
 {
-       int resched = need_resched() && system_state == SYSTEM_RUNNING;
+       int resched = should_resched();
        int ret = 0;
 
        if (spin_needbreak(lock) || resched) {
                spin_unlock(lock);
-               if (resched && need_resched())
+               if (resched)
                        __cond_resched();
                else
                        cpu_relax();
@@ -6622,7 +6626,7 @@ int __sched cond_resched_softirq(void)
 {
        BUG_ON(!in_softirq());
 
-       if (need_resched() && system_state == SYSTEM_RUNNING) {
+       if (should_resched()) {
                local_bh_enable();
                __cond_resched();
                local_bh_disable();