Messages in this thread Patch in this message | | | From | Liu Peibao <> | Subject | [PATCH] sched/core: aplly TASK_RUNNING in state judgement | Date | Tue, 23 Nov 2021 22:46:11 +0800 |
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Looks more clearly.
Signed-off-by: Liu Peibao <liupeibao@163.com> --- kernel/sched/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 3c9b0fd..abafd2e 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -6181,7 +6181,7 @@ static void __sched notrace __schedule(unsigned int sched_mode) * - ptrace_{,un}freeze_traced() can change ->state underneath us. */ prev_state = READ_ONCE(prev->__state); - if (!(sched_mode & SM_MASK_PREEMPT) && prev_state) { + if (!(sched_mode & SM_MASK_PREEMPT) && (prev_state != TASK_RUNNING)) { if (signal_pending_state(prev_state, prev)) { WRITE_ONCE(prev->__state, TASK_RUNNING); } else { -- 1.8.3.1
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