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SubjectRe: [PATCH v2] sched: taint kernel with TAINT_WARN after sleep-in-atomic bug
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On Thu, 2012-05-10 at 16:20 +0400, Konstantin Khlebnikov wrote:
> Usually sleep-in-atomic bugs are followed by dozens other warnings.
> This patch should help to figure out original source of problem.
>
> Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>

Thanks!

> ---
> kernel/sched/core.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/kernel/sched/core.c b/kernel/sched/core.c
> index 0533a68..b6458e4 100644
> --- a/kernel/sched/core.c
> +++ b/kernel/sched/core.c
> @@ -3113,6 +3113,7 @@ static noinline void __schedule_bug(struct task_struct *prev)
> if (irqs_disabled())
> print_irqtrace_events(prev);
> dump_stack();
> + add_taint(TAINT_WARN);
> }
>
> /*
>



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