Re: [PATCH] signal: avoid clearing TIF_SIGPENDING in recalc_sigpending() if unset

[Oleg Nesterov]

On 03/03, Mateusz Guzik wrote:
>
>  void recalc_sigpending(void)
>  {
> -	if (!recalc_sigpending_tsk(current) && !freezing(current))
> -		clear_thread_flag(TIF_SIGPENDING);
> -
> +	if (!recalc_sigpending_tsk(current) && !freezing(current)) {
> +		if (test_thread_flag(TIF_SIGPENDING))
> +			clear_thread_flag(TIF_SIGPENDING);
> +	}

Acked-by: Oleg Nesterov <oleg@xxxxxxxxxx>