sched/core: Add preempt_count invariant check
Ingo requested I keep my debug check for the preempt_count invariant. Requested-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
parent
499d79559f
commit
e2bf1c4b17
|
@ -2514,6 +2514,10 @@ static struct rq *finish_task_switch(struct task_struct *prev)
|
|||
*
|
||||
* Also, see FORK_PREEMPT_COUNT.
|
||||
*/
|
||||
if (WARN_ONCE(preempt_count() != 2*PREEMPT_DISABLE_OFFSET,
|
||||
"corrupted preempt_count: %s/%d/0x%x\n",
|
||||
current->comm, current->pid, preempt_count()))
|
||||
preempt_count_set(FORK_PREEMPT_COUNT);
|
||||
|
||||
rq->prev_mm = NULL;
|
||||
|
||||
|
|
Loading…
Reference in New Issue