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-rw-r--r--kernel/sched.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index d714611f1691..e9a0b61f12ab 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1788,7 +1788,15 @@ context_switch(struct rq *rq, struct task_struct *prev,
1788 WARN_ON(rq->prev_mm); 1788 WARN_ON(rq->prev_mm);
1789 rq->prev_mm = oldmm; 1789 rq->prev_mm = oldmm;
1790 } 1790 }
1791 /*
1792 * Since the runqueue lock will be released by the next
1793 * task (which is an invalid locking op but in the case
1794 * of the scheduler it's an obvious special-case), so we
1795 * do an early lockdep release here:
1796 */
1797#ifndef __ARCH_WANT_UNLOCKED_CTXSW
1791 spin_release(&rq->lock.dep_map, 1, _THIS_IP_); 1798 spin_release(&rq->lock.dep_map, 1, _THIS_IP_);
1799#endif
1792 1800
1793 /* Here we just switch the register state and the stack. */ 1801 /* Here we just switch the register state and the stack. */
1794 switch_to(prev, next, prev); 1802 switch_to(prev, next, prev);