# Re: \[git pull\] fbcon locking fixes.

- From: Daniel Vetter \<hidden\>
- Date: 2013-01-30 11:59:27 
- List: linux-fbdev
- Page: https://ratatoskr.run/linux-fbdev/2013/01/3993429
- Thread: https://ratatoskr.run/linux-fbdev/2013/01/3990302/t.md

```text
On Mon, Jan 28, 2013 at 1:45 PM, Maarten Lankhorst
[ref] wrote:
>> There was a path going into set_con2fb_path if an fb driver was
>> already registered, I just pushed the locking out further on anyone
>> going in there.
>>
>> it boots on my EFI macbook here.
>>
> I cherry picked those patches to my tree, and the full series no longer triggers a lockdep warning.
> It also no longer locks up during modprobing or vga-switcheroo either.
>
> Tested-by: Maarten Lankhorst <redacted>

QA reported spurious failures in some kms_flip tests and lockdep
splats, somehow both are fixed with the locking. I'm a bit confused
how these issues could cause failures in the flip tests, but alas:

Tested-by: Lu Hua <redacted> (for all three patches).
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
```