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From: David Airlie <airlied@redhat.com>
Date: Tue, 7 May 2024 15:54:21 +1000
Message-ID: <CAMwc25qMXOFOfKsa7BRi3dz125PDyvVtgTty0Q4bkAFftJDLqQ@mail.gmail.com>
Subject: Re: [BUG][v6.9-rc6] Deadlock with: Revert "drm/qxl: simplify qxl_fence_wait"
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Maxime Ripard <mripard@kernel.org>, Steven Rostedt <rostedt@goodmis.org>, 
	LKML <linux-kernel@vger.kernel.org>, 
	Alex Constantino <dreaming.about.electric.sheep@gmail.com>, 
	Timo Lindfors <timo.lindfors@iki.fi>, Gerd Hoffmann <kraxel@redhat.com>, 
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>, Thomas Zimmermann <tzimmermann@suse.de>, 
	Daniel Vetter <daniel@ffwll.ch>
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On Tue, May 7, 2024 at 6:29=E2=80=AFAM Linus Torvalds
<torvalds@linux-foundation.org> wrote:
>
> On Mon, 6 May 2024 at 05:46, Maxime Ripard <mripard@kernel.org> wrote:
> >
> > It looks like qxl is not well maintained. Please send the revert, we'll
> > merge it.
>
> I'll just do the revert and we don't have to do the round-trip
> overhead (since we're already in rc7 and I hope to just do final next
> weekend).

I expec this will reintroduce the other problems that caused this
change in the first place, but I think this should at least bring us
back to regression equilibrium. I can't recommend anyone use qxl hw
over virtio-gpu hw in their VMs, since virtio-gpu is actually hw
designed for virt.

Dave.