Re: [PATCH 2/5] kernel: add task_sigpending() helper
From: Oleg Nesterov
Date: Thu Oct 15 2020 - 10:42:50 EST
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@xxxxxxxxxxxxx>
> Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
the same,
Reviewed-by: Oleg Nesterov <oleg@xxxxxxxxxx>