Hi Daniel,
On Thu, Jan 21, 2021 at 12:29:19PM +0100, Daniel Vetter wrote:
> Interrnship season is starting, let's review this. One thing that's
^ internship
> pending is Maxime's work to roll out drm_atomic_state pointers to all
> callbacks, he said he'll remove that entry once it's all done.
I plan on sending it by the end of the week
> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
> Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
> Cc: Maxime Ripard <mripard@xxxxxxxxxx>
> Cc: Thomas Zimmermann <tzimmermann@xxxxxxx>
> Cc: David Airlie <airlied@xxxxxxxx>
> Cc: Daniel Vetter <daniel@xxxxxxxx>
> ---
> Documentation/gpu/todo.rst | 28 +++++++++++++++-------------
> 1 file changed, 15 insertions(+), 13 deletions(-)
>
> diff --git a/Documentation/gpu/todo.rst b/Documentation/gpu/todo.rst
> index 009d8e6c7e3c..492768dd2fd9 100644
> --- a/Documentation/gpu/todo.rst
> +++ b/Documentation/gpu/todo.rst
> @@ -577,20 +577,24 @@ Contact: Daniel Vetter
>
> Level: Intermediate
>
> -KMS cleanups
> -------------
> +Object lifetime fixes
> +---------------------
> +
> +There's two related issues here
> +
> +- Cleanup up the various ->destroy callbacks, which often are all the same
> + simple code.
>
> -Some of these date from the very introduction of KMS in 2008 ...
> +- Lots of drivers erroneously allocate DRM modeset objects using devm_kzalloc,
> + which results in use-after free issues on driver unload. This can be serious
> + trouble even for drivers for hardwared integrated on the SoC due to
^ hardware?
> + EPROBE_DEFERRED backoff.
Thanks!
Maxime
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