Messages in this thread Patch in this message | | | From | YT Chang <> | Subject | [PATCH 1/1] sched: panic, when call schedule with preemption disable | Date | Thu, 21 Nov 2019 16:13:05 +0800 |
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When preemption is disable, call schedule() is incorrect behavior. Suggest to panic directly rather than depend on panic_on_warn.
Signed-off-by: YT Chang <yt.chang@mediatek.com> --- kernel/sched/core.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 7880f4f..214e8d8 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -3861,9 +3861,8 @@ static noinline void __schedule_bug(struct task_struct *prev) print_ip_sym(preempt_disable_ip); pr_cont("\n"); } - if (panic_on_warn) - panic("scheduling while atomic\n"); + panic("scheduling while atomic\n"); dump_stack(); add_taint(TAINT_WARN, LOCKDEP_STILL_OK); } -- 1.9.1 | |