linux-kernel - Re: [PATCH] Revert "exec: make de_thread() freezable (was: Re: Linux 4.20-rc4)

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Message-ID: <20181203123149.GB31795@redhat.com>
Date:   Mon, 3 Dec 2018 13:31:49 +0100
From:   Oleg Nesterov <oleg@...hat.com>
To:     Michal Hocko <mhocko@...nel.org>
Cc:     Ingo Molnar <mingo@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Linux List Kernel Mailing <linux-kernel@...r.kernel.org>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Chanho Min <chanho.min@....com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Pavel Machek <pavel@....cz>
Subject: Re: [PATCH] Revert "exec: make de_thread() freezable (was: Re: Linux
 4.20-rc4)

On 12/03, Michal Hocko wrote:
>
> Now, I wouldn't mind to revert this because the code is really old and
> we haven't seen many bug reports about failing suspend yet. But what is
> the actual plan to make this work properly?

I don't see a simple solution...

But we need to fix exec/de_thread anyway, then we can probably reconsider
this patch.

Oleg.