Re: [PATCH] drm: Funnel drm logs to tracepoints

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On Thu, Oct 17, 2019 at 10:22:16AM +0300, Pekka Paalanen wrote:
> On Wed, 16 Oct 2019 15:23:45 +0200
> Thomas Zimmermann <tzimmermann@xxxxxxx> wrote:
> 
> > Hi
> > 
> > Am 16.10.19 um 15:05 schrieb Pekka Paalanen:
> 
> > > specifically be available in production. So a new file in some fs
> > > somewhere it should be, and userspace in production can read it at will
> > > to attach to a bug report.
> > > 
> > > Those semantics, "only use this content for attaching into a bug
> > > report" should be made very clear in the UAPI.  
> > 
> > Has this ever worked? As soon as a userspace program starts depending on
> > the content of this file, it becomes kabi. From the incidents I know,
> > Linus has always been quite strict about this. Even for broken interfaces.
> 
> The kernel log content is not kabi, is it? I've seen it change plenty
> during the years. This would be just another similar log with free-form
> text.
> 

Ok, so given the more structured version of this set [1] was not well received,
are we all comfortable going with the freeform approach in this version?

Sean

[1]- https://lists.freedesktop.org/archives/dri-devel/2019-November/243230.html

> 
> Thanks,
> pq



-- 
Sean Paul, Software Engineer, Google / Chromium OS
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