From: Oleg Nesterov <oleg@redhat.com>
To: "Christian König" <ckoenig.leichtzumerken@gmail.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
Andrey Grodzovsky <Andrey.Grodzovsky@amd.com>,
David.Panariti@amd.com, amd-gfx@lists.freedesktop.org,
linux-kernel@vger.kernel.org, Alexander.Deucher@amd.com,
akpm@linux-foundation.org, Christian.Koenig@amd.com
Subject: Re: [PATCH 2/3] drm/scheduler: Don't call wait_event_killable for signaled process.
Date: Mon, 30 Apr 2018 17:29:41 +0200 [thread overview]
Message-ID: <20180430152941.GA10583@redhat.com> (raw)
In-Reply-To: <c3c9787d-b279-8169-43d1-74eeb666ffbd@gmail.com>
On 04/30, Christian König wrote:
>
> Well when the process is killed we don't care about correctness any more, we
> just want to get rid of it as quickly as possible (OOM situation etc...).
OK,
> But it is perfectly possible that a process submits some render commands and
> then calls exit() or terminates because of a SIGTERM, SIGINT etc..
This doesn't differ from SIGKILL. I mean, any unhandled fatal signal translates
to SIGKILL and I think this is fine.
but this doesn't really matter,
> So what we essentially need is to distinct between a SIGKILL (which means
> stop processing as soon as possible) and any other reason because then we
> don't want to annoy the user with garbage on the screen (even if it's just
> for a few milliseconds).
For what?
OK, I see another email from Andrey, I'll reply to that email...
Oleg.
next prev parent reply other threads:[~2018-04-30 15:29 UTC|newest]
Thread overview: 122+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-24 15:30 Avoid uninterruptible sleep during process exit Andrey Grodzovsky
2018-04-24 15:30 ` Andrey Grodzovsky
2018-04-24 15:30 ` [PATCH 1/3] signals: Allow generation of SIGKILL to exiting task Andrey Grodzovsky
2018-04-24 15:30 ` Andrey Grodzovsky
2018-04-24 16:10 ` Eric W. Biederman
2018-04-24 16:10 ` Eric W. Biederman
2018-04-24 16:42 ` Eric W. Biederman
2018-04-24 16:42 ` Eric W. Biederman
2018-04-24 16:51 ` Andrey Grodzovsky
2018-04-24 16:51 ` Andrey Grodzovsky
2018-04-24 17:29 ` Eric W. Biederman
2018-04-25 13:13 ` Oleg Nesterov
2018-04-24 15:30 ` [PATCH 2/3] drm/scheduler: Don't call wait_event_killable for signaled process Andrey Grodzovsky
2018-04-24 15:30 ` Andrey Grodzovsky
2018-04-24 15:46 ` Michel Dänzer
2018-04-24 15:51 ` Andrey Grodzovsky
2018-04-24 15:51 ` Andrey Grodzovsky
2018-04-24 15:52 ` Andrey Grodzovsky
2018-04-24 15:52 ` Andrey Grodzovsky
2018-04-24 19:44 ` Daniel Vetter
2018-04-24 19:44 ` Daniel Vetter
2018-04-24 21:00 ` Eric W. Biederman
2018-04-24 21:02 ` Andrey Grodzovsky
2018-04-24 21:02 ` Andrey Grodzovsky
2018-04-24 21:21 ` Eric W. Biederman
2018-04-24 21:37 ` Andrey Grodzovsky
2018-04-24 21:37 ` Andrey Grodzovsky
2018-04-24 22:11 ` Eric W. Biederman
2018-04-25 7:14 ` Daniel Vetter
2018-04-25 13:08 ` Andrey Grodzovsky
2018-04-25 13:08 ` Andrey Grodzovsky
2018-04-25 15:29 ` Eric W. Biederman
2018-04-25 16:13 ` Andrey Grodzovsky
2018-04-25 16:31 ` Eric W. Biederman
2018-04-24 21:40 ` Daniel Vetter
2018-04-24 21:40 ` Daniel Vetter
2018-04-25 13:22 ` Oleg Nesterov
2018-04-25 13:36 ` Daniel Vetter
2018-04-25 14:18 ` Oleg Nesterov
2018-04-25 14:18 ` Oleg Nesterov
2018-04-25 13:43 ` Andrey Grodzovsky
2018-04-25 13:43 ` Andrey Grodzovsky
2018-04-24 16:23 ` Eric W. Biederman
2018-04-24 16:23 ` Eric W. Biederman
2018-04-24 16:43 ` Andrey Grodzovsky
2018-04-24 16:43 ` Andrey Grodzovsky
2018-04-24 17:12 ` Eric W. Biederman
2018-04-25 13:55 ` Oleg Nesterov
2018-04-25 14:21 ` Andrey Grodzovsky
2018-04-25 14:21 ` Andrey Grodzovsky
2018-04-25 17:17 ` Oleg Nesterov
2018-04-25 18:40 ` Andrey Grodzovsky
2018-04-25 18:40 ` Andrey Grodzovsky
2018-04-26 0:01 ` Eric W. Biederman
2018-04-26 12:34 ` Andrey Grodzovsky
2018-04-26 12:34 ` Andrey Grodzovsky
2018-04-26 12:52 ` Andrey Grodzovsky
2018-04-26 12:52 ` Andrey Grodzovsky
2018-04-26 15:57 ` Eric W. Biederman
2018-04-26 20:43 ` Andrey Grodzovsky
2018-04-26 20:43 ` Andrey Grodzovsky
2018-04-30 12:08 ` Christian König
2018-04-30 12:08 ` Christian König
2018-04-30 14:32 ` Andrey Grodzovsky
2018-04-30 14:32 ` Andrey Grodzovsky
2018-04-30 15:25 ` Christian König
2018-04-30 15:25 ` Christian König
2018-04-30 16:00 ` Oleg Nesterov
2018-04-30 16:10 ` Andrey Grodzovsky
2018-04-30 16:10 ` Andrey Grodzovsky
2018-04-30 18:29 ` Christian König
2018-04-30 18:29 ` Christian König
2018-04-30 19:28 ` Andrey Grodzovsky
2018-04-30 19:28 ` Andrey Grodzovsky
2018-05-02 11:48 ` Christian König
2018-05-02 11:48 ` Christian König
2018-05-17 11:18 ` Andrey Grodzovsky
2018-05-17 14:48 ` Michel Dänzer
2018-05-17 15:33 ` Andrey Grodzovsky
2018-05-17 15:52 ` Michel Dänzer
2018-05-17 19:05 ` Andrey Grodzovsky
2018-05-18 8:46 ` Michel Dänzer
2018-05-18 9:42 ` Christian König
2018-05-18 14:44 ` Michel Dänzer
2018-05-18 14:50 ` Christian König
2018-05-18 15:02 ` Andrey Grodzovsky
2018-05-22 12:58 ` Christian König
2018-05-22 15:49 ` Andrey Grodzovsky
2018-05-22 16:09 ` Michel Dänzer
2018-05-22 16:30 ` Andrey Grodzovsky
2018-05-22 16:33 ` Michel Dänzer
2018-05-22 16:37 ` Andrey Grodzovsky
2018-05-01 14:35 ` Oleg Nesterov
2018-05-23 15:08 ` Andrey Grodzovsky
2018-05-23 15:08 ` Andrey Grodzovsky
2018-04-30 15:29 ` Oleg Nesterov [this message]
2018-04-30 16:25 ` Eric W. Biederman
2018-04-30 17:18 ` Andrey Grodzovsky
2018-04-30 17:18 ` Andrey Grodzovsky
2018-04-25 13:05 ` Oleg Nesterov
2018-04-24 15:30 ` [PATCH 3/3] drm/amdgpu: Switch to interrupted wait to recover from ring hang Andrey Grodzovsky
2018-04-24 15:30 ` Andrey Grodzovsky
2018-04-24 15:52 ` Panariti, David
2018-04-24 15:52 ` Panariti, David
2018-04-24 15:58 ` Andrey Grodzovsky
2018-04-24 15:58 ` Andrey Grodzovsky
2018-04-24 16:20 ` Panariti, David
2018-04-24 16:20 ` Panariti, David
2018-04-24 16:30 ` Eric W. Biederman
2018-04-24 16:30 ` Eric W. Biederman
2018-04-25 17:17 ` Andrey Grodzovsky
2018-04-25 17:17 ` Andrey Grodzovsky
2018-04-25 20:55 ` Eric W. Biederman
2018-04-25 20:55 ` Eric W. Biederman
2018-04-26 12:28 ` Andrey Grodzovsky
2018-04-26 12:28 ` Andrey Grodzovsky
2018-04-24 16:14 ` Eric W. Biederman
2018-04-24 16:14 ` Eric W. Biederman
2018-04-24 16:38 ` Andrey Grodzovsky
2018-04-24 16:38 ` Andrey Grodzovsky
2018-04-30 11:34 ` Christian König
2018-04-30 11:34 ` Christian König
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