Messages in this thread | | | Date | Wed, 27 Jul 2011 09:03:31 -0700 | From | Jesse Barnes <> | Subject | Re: [Intel-gfx] [PATCH] drm/i915: Hold struct_mutex during hotplug processing |
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On Wed, 27 Jul 2011 02:21:24 -0700 Keith Packard <keithp@keithp.com> wrote:
> On Tue, 26 Jul 2011 12:12:25 -0700, Jesse Barnes <jbarnes@virtuousgeek.org> wrote: > > > I'd like to amend my reviewed by and say the lock shouldn't be held > > around the call to the drm helper function. It queues some work that > > also takes the mode config lock, which will break. So you can drop it > > before that... Previously I had only checked our internal driver > > callbacks but missed that the lock was held across the helper too. > > So the work may get executed immediately rather than being run later at > some point?
It sure looks that way... but I don't remember any rule about work queue items having inter dependencies like this.
-- Jesse Barnes, Intel Open Source Technology Center
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