#include <linux/init.h>
#include <linux/uaccess.h>
#include <linux/highmem.h>
-#include <linux/smp_lock.h>
#include <asm/mmu_context.h>
#include <linux/interrupt.h>
#include <linux/capability.h>
#endif
/**
- * runqueue_is_locked
+ * runqueue_is_locked - Returns true if the current cpu runqueue is locked
* @cpu: the processor in question.
*
- * Returns true if the current cpu runqueue is locked.
* This interface allows printk to be called with the runqueue lock
* held and know whether or not it is OK to wake up the klogd.
*/
* yield - it could be a while.
*/
if (unlikely(on_rq)) {
- schedule_timeout_uninterruptible(1);
+ ktime_t to = ktime_set(0, NSEC_PER_SEC/HZ);
+
+ set_current_state(TASK_UNINTERRUPTIBLE);
+ schedule_hrtimeout(&to, HRTIMER_MODE_REL);
continue;
}
rcu_note_context_switch(cpu);
prev = rq->curr;
- release_kernel_lock(prev);
-need_resched_nonpreemptible:
-
schedule_debug(prev);
if (sched_feat(HRTICK))
post_schedule(rq);
- if (unlikely(reacquire_kernel_lock(prev)))
- goto need_resched_nonpreemptible;
-
preempt_enable_no_resched();
if (need_resched())
goto need_resched;
{
int nested = (preempt_count() & ~PREEMPT_ACTIVE) + rcu_preempt_depth();
- return (nested == PREEMPT_INATOMIC_BASE + preempt_offset);
+ return (nested == preempt_offset);
}
void __might_sleep(const char *file, int line, int preempt_offset)