linux-kernel - Re: [PATCH] livepatch: Replace the fake signal sending with TIF_NOTIFY

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Message-ID: <d7fa9065-ed3d-43e0-5940-7c69ffd840af@kernel.dk>
Date:   Fri, 26 Mar 2021 17:10:55 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     Miroslav Benes <mbenes@...e.cz>, jpoimboe@...hat.com,
        jikos@...nel.org, pmladek@...e.com, joe.lawrence@...hat.com
Cc:     live-patching@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] livepatch: Replace the fake signal sending with
 TIF_NOTIFY_SIGNAL infrastructure

On 3/26/21 8:30 AM, Miroslav Benes wrote:
> Livepatch sends a fake signal to all remaining blocking tasks of a
> running transition after a set period of time. It uses TIF_SIGPENDING
> flag for the purpose. Commit 12db8b690010 ("entry: Add support for
> TIF_NOTIFY_SIGNAL") added a generic infrastructure to achieve the same.
> Replace our bespoke solution with the generic one.
> 
> Signed-off-by: Miroslav Benes <mbenes@...e.cz>

Looks good to me.

Reviewed-by: Jens Axboe <axboe@...nel.dk>

-- 
Jens Axboe