Re: kvm+nouveau induced lockdep gripe

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To: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
Subject: Re: kvm+nouveau induced lockdep gripe
From: Mike Galbraith <efault@xxxxxx>
Date: Tue, 27 Oct 2020 11:14:34 +0100
Cc: Hillf Danton <hdanton@xxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>, linux-rt-users <linux-rt-users@xxxxxxxxxxxxxxx>, Steven Rostedt <rostedt@xxxxxxxxxxx>, Ben Skeggs <bskeggs@xxxxxxxxxx>
In-reply-to: <20201027090019.3vteojm43ljqqe33@linutronix.de>
References: <20201021125324.ualpvrxvzyie6d7d@linutronix.de> <a23a826af7c108ea5651e73b8fbae5e653f16e86.camel@gmx.de> <20201023090108.5lunh4vqfpkllmap@linutronix.de> <20201024022236.19608-1-hdanton@sina.com> <20201024050000.8104-1-hdanton@sina.com> <20201026173107.quylcy6fgjvrqat6@linutronix.de> <431e81699f2310eabfe5af0a3de400ab99d9323b.camel@gmx.de> <20201026195308.wsbk7xy57wuzfbao@linutronix.de> <0dfae65db2f0d3ef603c1db34f37cee63f7f41f4.camel@gmx.de> <20201027090019.3vteojm43ljqqe33@linutronix.de>
User-agent: Evolution 3.34.4

On Tue, 2020-10-27 at 10:00 +0100, Sebastian Andrzej Siewior wrote:
> Let me try if I can figure out when this broke.

My money is on...
710da3c8ea7df (Juri Lelli 2019-07-19 16:00:00 +0200 5317)       if (pi)
710da3c8ea7df (Juri Lelli 2019-07-19 16:00:00 +0200 5318)               cpuset_read_lock();
...having just had an unnoticed consequence for nouveau.

	-Mike

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- kvm+nouveau induced lockdep gripe
  - From: Mike Galbraith
- Re: kvm+nouveau induced lockdep gripe
  - From: Sebastian Andrzej Siewior
- Re: kvm+nouveau induced lockdep gripe
  - From: Sebastian Andrzej Siewior
- Re: kvm+nouveau induced lockdep gripe
  - From: Mike Galbraith
- Re: kvm+nouveau induced lockdep gripe
  - From: Sebastian Andrzej Siewior
- Re: kvm+nouveau induced lockdep gripe
  - From: Mike Galbraith
- Re: kvm+nouveau induced lockdep gripe
  - From: Sebastian Andrzej Siewior

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