From: "Chanho Min" <chanho.min@lge.com>
To: "'Pavel Machek'" <pavel@ucw.cz>
Cc: "'Oleg Nesterov'" <oleg@redhat.com>,
"'Ingo Molnar'" <mingo@kernel.org>,
"'Linus Torvalds'" <torvalds@linux-foundation.org>,
"'Linux List Kernel Mailing'" <linux-kernel@vger.kernel.org>,
"'Rafael J. Wysocki'" <rafael.j.wysocki@intel.com>,
"'Thomas Gleixner'" <tglx@linutronix.de>,
"'Peter Zijlstra'" <a.p.zijlstra@chello.nl>,
"'Michal Hocko'" <mhocko@suse.com>, <seungho1.park@lge.com>
Subject: RE: [PATCH] Revert "exec: make de_thread() freezable (was: Re: Linux 4.20-rc4)
Date: Thu, 6 Dec 2018 18:07:23 +0900 [thread overview]
Message-ID: <02b101d48d43$19ef85c0$4dce9140$@lge.com> (raw)
In-Reply-To: <20181206085748.GA16059@amd>
> >
> > I am sorry for the reverting this patch. It's also my fault that
> > I didn't check lockdep. But, We decided to keep this patch in our product.
> > Freeze fail is a real problem we've had for the last two years,
> > whereas lockdep's notice is not a real problem.
> > We hope this issue will be resolved soon.
>
> I guess it makes sense for your usage.
>
> How often do you see the failures without the patch?
Very rare, it happens about 1 in 1000 suspends.
Chanho,
next prev parent reply other threads:[~2018-12-06 9:07 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
2018-12-06 8:54 ` Chanho Min
2018-12-06 8:57 ` Pavel Machek
2018-12-06 9:07 ` Chanho Min [this message]
2018-12-03 12:00 ` Rafael J. Wysocki
2018-12-04 8:42 ` Ingo Molnar
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