Re: Commit messages (was: [PATCH v11] drm/amdgpu: add drm buddy support to amdgpu)

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On Wed, Mar 23, 2022 at 11:04 AM Daniel Stone <daniel@xxxxxxxxxxxxx> wrote:
>
> Hi Alex,
>
> On Wed, 23 Mar 2022 at 14:42, Alex Deucher <alexdeucher@xxxxxxxxx> wrote:
> > On Wed, Mar 23, 2022 at 10:00 AM Daniel Stone <daniel@xxxxxxxxxxxxx> wrote:
> > > On Wed, 23 Mar 2022 at 08:19, Christian König <christian.koenig@xxxxxxx> wrote:
> > > > Well the key point is it's not about you to judge that.
> > > >
> > > > If you want to complain about the commit message then come to me with
> > > > that and don't request information which isn't supposed to be publicly
> > > > available.
> > > >
> > > > So to make it clear: The information is intentionally hold back and not
> > > > made public.
> > >
> > > In that case, the code isn't suitable to be merged into upstream
> > > trees; it can be resubmitted when it can be explained.
> >
> > So you are saying we need to publish the problematic RTL to be able to
> > fix a HW bug in the kernel?  That seems a little unreasonable.  Also,
> > links to internal documents or bug trackers don't provide much value
> > to the community since they can't access them.  In general, adding
> > internal documents to commit messages is frowned on.
>
> That's not what anyone's saying here ...
>
> No-one's demanding AMD publish RTL, or internal design docs, or
> hardware specs, or URLs to JIRA tickets no-one can access.
>
> This is a large and invasive commit with pretty big ramifications;
> containing exactly two lines of commit message, one of which just
> duplicates the subject.
>
> It cannot be the case that it's completely impossible to provide any
> justification, background, or details, about this commit being made.
> Unless, of course, it's to fix a non-public security issue, that is
> reasonable justification for eliding some of the details. But then
> again, 'huge change which is very deliberately opaque' is a really
> good way to draw a lot of attention to the commit, and it would be
> better to provide more detail about the change to help it slip under
> the radar.
>
> If dri-devel@ isn't allowed to inquire about patches which are posted,
> then CCing the list is just a façade; might as well just do it all
> internally and periodically dump out pull requests.

I think we are in agreement. I think the withheld information
Christian was referring to was on another thread with Christian and
Paul discussing a workaround for a hardware bug:
https://www.spinics.net/lists/amd-gfx/msg75908.html

Alex


Alex




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