linux-kernel - Re: [PATCH v2] livepatch: Replace the fake signal sending with TIF_NOTIFY

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Message-ID: <nycvar.YFH.7.76.2103300940510.12405@cbobk.fhfr.pm>
Date:   Tue, 30 Mar 2021 09:41:55 +0200 (CEST)
From:   Jiri Kosina <jikos@...nel.org>
To:     Miroslav Benes <mbenes@...e.cz>
cc:     jpoimboe@...hat.com, pmladek@...e.com, joe.lawrence@...hat.com,
        live-patching@...r.kernel.org, linux-kernel@...r.kernel.org,
        axboe@...nel.dk
Subject: Re: [PATCH v2] livepatch: Replace the fake signal sending with
 TIF_NOTIFY_SIGNAL infrastructure

On Mon, 29 Mar 2021, 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.
> 
> Reviewed-by: Jens Axboe <axboe@...nel.dk>
> Reviewed-by: Petr Mladek <pmladek@...e.com>
> Signed-off-by: Miroslav Benes <mbenes@...e.cz>

Pushed out to livepatching#for-5.13/signal.

-- 
Jiri Kosina
SUSE Labs