Re: [PATCH v2] sched: taint kernel with TAINT_WARN aftersleep-in-atomic bug

[Peter Zijlstra]

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@xxxxxxxxxx>

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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