linux-kernel - Re: [PATCH 3/3] fork, vhost: Use CLONE_THREAD to fix freezer/ps regression

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Message-ID: <20230529175440.GC15193@redhat.com>
Date:   Mon, 29 May 2023 19:54:40 +0200
From:   Oleg Nesterov <oleg@...hat.com>
To:     michael.christie@...cle.com
Cc:     "Eric W. Biederman" <ebiederm@...ssion.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux@...mhuis.info, nicolas.dichtel@...nd.com, axboe@...nel.dk,
        linux-kernel@...r.kernel.org,
        virtualization@...ts.linux-foundation.org, mst@...hat.com,
        sgarzare@...hat.com, jasowang@...hat.com, stefanha@...hat.com,
        brauner@...nel.org
Subject: Re: [PATCH 3/3] fork, vhost: Use CLONE_THREAD to fix freezer/ps
 regression

On 05/29, Oleg Nesterov wrote:
>
> Mike, sorry, I don't understand your email.
>
> Just in case, let me remind I know nothing about drivers/vhost/

And... this is slightly off-topic but you didn't answer my previous
question and I am just curious. Do you agree that, even if we forget
about CLONE_THREAD/signals, vhost_worker() needs fixes anyway because
it can race with vhost_work_queue() ?

Oleg.