Re: [Intel-gfx] [PATCH] drm/i915: Hold struct_mutex during hotplug processing

From: Keith Packard
Date: Wed Jul 27 2011 - 05:21:32 EST


On Tue, 26 Jul 2011 12:12:25 -0700, Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx> 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?

--
keith.packard@xxxxxxxxx

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