linux-kernel - Re: [PATCH 2/5] kernel: add task

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Date:   Thu, 15 Oct 2020 16:42:42 +0200
From:   Oleg Nesterov <oleg@...hat.com>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     linux-kernel@...r.kernel.org, io-uring@...r.kernel.org,
        peterz@...radead.org, tglx@...utronix.de
Subject: Re: [PATCH 2/5] kernel: add task_sigpending() helper

On 10/15, Jens Axboe wrote:
>
> This is in preparation for maintaining signal_pending() as the decider
> of whether or not a schedule() loop should be broken, or continue
> sleeping. This is different than the core signal use cases, where we
> really want to know if an actual signal is pending or not.
> task_sigpending() returns non-zero if TIF_SIGPENDING is set.
> 
> Only core kernel use cases should care about the distinction between
> the two, make sure those use the task_sigpending() helper.
> 
> Reviewed-by: Thomas Gleixner <tglx@...utronix.de>
> Signed-off-by: Jens Axboe <axboe@...nel.dk>

the same,

Reviewed-by: Oleg Nesterov <oleg@...hat.com>