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Merge branch 'sched/urgent' into sched/core, to merge fixes before applying new changes

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Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar
2014-07-28 10:03:00 +02:00
parent c1221321b7 d8d28c8f00
commit ca5bc6cd5d
390 changed files with 3594 additions and 2047 deletions
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12
kernel/sched/core.c
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@@ -3573,9 +3573,10 @@ static int _sched_setscheduler(struct task_struct *p, int policy,
};
/*
* Fixup the legacy SCHED_RESET_ON_FORK hack
* Fixup the legacy SCHED_RESET_ON_FORK hack, except if
* the policy=-1 was passed by sched_setparam().
*/
if (policy & SCHED_RESET_ON_FORK) {
if ((policy != -1) && (policy & SCHED_RESET_ON_FORK)) {
attr.sched_flags |= SCHED_FLAG_RESET_ON_FORK;
policy &= ~SCHED_RESET_ON_FORK;
attr.sched_policy = policy;
@@ -4162,7 +4163,6 @@ static void __cond_resched(void)
int __sched _cond_resched(void)
{
rcu_cond_resched();
if (should_resched()) {
__cond_resched();
return 1;
@@ -4181,18 +4181,15 @@ EXPORT_SYMBOL(_cond_resched);
*/
int __cond_resched_lock(spinlock_t *lock)
{
bool need_rcu_resched = rcu_should_resched();
int resched = should_resched();
int ret = 0;
lockdep_assert_held(lock);
if (spin_needbreak(lock) || resched || need_rcu_resched) {
if (spin_needbreak(lock) || resched) {
spin_unlock(lock);
if (resched)
__cond_resched();
else if (unlikely(need_rcu_resched))
rcu_resched();
else
cpu_relax();
ret = 1;
@@ -4206,7 +4203,6 @@ int __sched __cond_resched_softirq(void)
{
BUG_ON(!in_softirq());
rcu_cond_resched(); /* BH disabled OK, just recording QSes. */
if (should_resched()) {
local_bh_enable();
__cond_resched();