From: Oleg Nesterov <oleg@redhat.com>
To: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Linux List Kernel Mailing <linux-kernel@vger.kernel.org>,
"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
Chanho Min <chanho.min@lge.com>,
Thomas Gleixner <tglx@linutronix.de>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Pavel Machek <pavel@ucw.cz>, Michal Hocko <mhocko@suse.com>
Subject: Re: [PATCH] Revert "exec: make de_thread() freezable (was: Re: Linux 4.20-rc4)
Date: Wed, 5 Dec 2018 15:36:19 +0100 [thread overview]
Message-ID: <20181205143618.GA9535@redhat.com> (raw)
In-Reply-To: <20181204091736.GD73770@gmail.com>
Ingo, et al,
Sorry, I am sick and can't participate this discussion right now,
On 12/04, Ingo Molnar wrote:
>
> * Oleg Nesterov <oleg@redhat.com> wrote:
>
> > we really need to narrow the (huge) scope of ->cred_guard_mutex in exec paths.
> >
> > my attempt to fix this was nacked, and nobody suggested a better solution so far.
>
> Any link to your patch and the NAK?
See https://lore.kernel.org/lkml/20170213141452.GA30203@redhat.com/
No questions, the patch wasn't pretty. And imo we need to rework the security
hooks in the long term.
Oleg.
next prev parent reply other threads:[~2018-12-05 14:36 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-25 23:02 Linux 4.20-rc4 Linus Torvalds
2018-12-03 7:47 ` [PATCH] Revert "exec: make de_thread() freezable (was: Re: Linux 4.20-rc4) Ingo Molnar
2018-12-03 8:39 ` Michal Hocko
2018-12-03 12:03 ` Rafael J. Wysocki
2018-12-03 12:31 ` Oleg Nesterov
2018-12-03 12:38 ` Michal Hocko
2018-12-03 13:10 ` Pavel Machek
2018-12-03 13:53 ` Michal Hocko
2018-12-03 14:14 ` Pavel Machek
2018-12-03 14:17 ` Michal Hocko
2018-12-03 14:45 ` Pavel Machek
2018-12-03 17:06 ` Linus Torvalds
2018-12-03 17:18 ` Michal Hocko
2018-12-03 18:55 ` Pavel Machek
2018-12-04 9:02 ` Ingo Molnar
2018-12-04 9:10 ` Michal Hocko
2018-12-04 9:33 ` Ingo Molnar
2018-12-04 9:58 ` Michal Hocko
2018-12-04 17:31 ` Linus Torvalds
2018-12-04 18:17 ` Michal Hocko
2018-12-04 19:33 ` Linus Torvalds
2018-12-04 19:49 ` Linus Torvalds
2018-12-04 20:05 ` Linus Torvalds
2018-12-04 19:55 ` Pavel Machek
2018-12-04 19:42 ` Pavel Machek
2018-12-04 19:29 ` Pavel Machek
2018-12-03 13:40 ` Oleg Nesterov
2018-12-03 11:56 ` Oleg Nesterov
2018-12-04 9:17 ` Ingo Molnar
2018-12-05 14:36 ` Oleg Nesterov [this message]
2018-12-06 8:54 ` Chanho Min
2018-12-06 8:57 ` Pavel Machek
2018-12-06 9:07 ` Chanho Min
2018-12-03 12:00 ` Rafael J. Wysocki
2018-12-04 8:42 ` Ingo Molnar
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