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To:     Jens Axboe <axboe@kernel.dk>, linux-kernel@vger.kernel.org,
        io-uring@vger.kernel.org
Cc:     peterz@infradead.org, oleg@redhat.com, Jens Axboe <axboe@kernel.dk>
Subject: Re: [PATCH 2/4] kernel: add task_sigpending() helper
In-Reply-To: <20201008152752.218889-3-axboe@kernel.dk>
References: <20201008152752.218889-1-axboe@kernel.dk> <20201008152752.218889-3-axboe@kernel.dk>
Date:   Wed, 14 Oct 2020 01:36:14 +0200
Message-ID: <87blh5d7gx.fsf@nanos.tec.linutronix.de>
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On Thu, Oct 08 2020 at 09:27, 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.
>
> Signed-off-by: Jens Axboe <axboe@kernel.dk>

Reviewed-by: Thomas Gleixner <tglx@linutronix.de>