linux-kernel - Re: [PATCHSET v4] Add support for TIF_NOTIFY

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Message-ID: <20201009143009.GA14523@redhat.com>
Date:   Fri, 9 Oct 2020 16:30:09 +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: [PATCHSET v4] Add support for TIF_NOTIFY_SIGNAL

On 10/08, Jens Axboe wrote:
>
> Changes since v3:
> 
> - Drop not needed io_uring change
> - Drop syscall restart split, handle TIF_NOTIFY_SIGNAL from the arch
>   signal handling, using task_sigpending() to see if we need to care
>   about real signals.
> - Fix a few over-zelaous task_sigpending() changes
> - Cleanup WARN_ON() in restore_saved_sigmask_unless()

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

but let me comment 3/4...