Re: [PATCH v3 00/19] fix DRM_USE_DYNAMIC_DEBUG regression

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On Fri, Feb 03, 2023 at 11:34:02AM +0200, Jani Nikula wrote:
> On Wed, 25 Jan 2023, Jim Cromie <jim.cromie@xxxxxxxxx> wrote:
> > Hi everyone,
> >
> > In v6.1 DRM_USE_DYNAMIC_DEBUG=y has a regression enabling drm.debug in
> > drivers at modprobe.
> 
> I realize we haven't actually addressed the regression in any way yet,
> and any distro enabling DYNAMIC_DEBUG || DYNAMIC_DEBUG_CORE will have
> DRM_USE_DYNAMIC_DEBUG=y by default, and we're hitting the issue with
> trying to gather logs from users on v6.1 or later. It hampers debugging
> pretty badly.
> 
> I appreciate the effort in fixing the problem properly here, but we'll
> need a fix that we can backport to stable kernels.
> 
> Maybe just Ville's idea of
> 
>  config DRM_USE_DYNAMIC_DEBUG
>         bool "use dynamic debug to implement drm.debug"
> -       default y
> +       default n
> +       depends on BROKEN
>         depends on DRM
>         depends on DYNAMIC_DEBUG || DYNAMIC_DEBUG_CORE
> 
> but we'll need that as a patch and merged and backported ASAP.

+1 for this

Regards
Stanislaw



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