linux-kernel - Re: [PATCH 3/4] kernel: add support for TIF_NOTIFY

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Date:   Wed, 14 Oct 2020 01:45:58 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Jens Axboe <axboe@...nel.dk>, Oleg Nesterov <oleg@...hat.com>
Cc:     linux-kernel@...r.kernel.org, io-uring@...r.kernel.org,
        peterz@...radead.org
Subject: Re: [PATCH 3/4] kernel: add support for TIF_NOTIFY_SIGNAL

On Fri, Oct 09 2020 at 09:13, Jens Axboe wrote:
>> Hmm. I just noticed that only x86 uses arch_do_signal(), so perhaps you can
>> add this change to this patch right now? Up to you.
>
> Sure, we can do that. Incremental on top then looks like the below. I don't
> feel that strongly about it, but it is nice to avoid re-testing the
> flags.

Yes it makes sense. Can you please make the signature change of
arch_do_signal() in a preparatory patch and only make use of it when you
add the TIF bit to x86?

Thanks,

        tglx