Re: [PATCH] gpu: nova-core: parse structs via zerocopy

[Nicolás Antinori]

On Mon Jun 22, 2026 at 9:23 PM -03, Alistair Popple wrote:
> On 2026-06-23 at 07:02 +1000, Danilo Krummrich <dakr@xxxxxxxxxx> wrote...
>> On Mon Jun 22, 2026 at 10:26 PM CEST, Nicolás Antinori wrote:
>> > I did my work on rust-next [1] because drm-rust-next does not have the
>> > zerocopy crate present yet [2]. linux-next contains both zerocopy [3] 
>> > and the new users of transmute::FromBytes if I am not mistaken (BitToken,
>> > PciRomHeader, and PmuLookupTableEntry), so I can make the changes there.
>> 
>> The drm-rust tree is a bit special, as it remains open for contributions even
>> after it has been tagged for inclusion into Linus's (including throughout the
>> merge window). However, all changes staged in drm-rust-next are not going into
>> linux-next until -rc1 is released.
>> 
>> IOW, until -rc1 is released this may or may not resolve all conflicts with
>> drm-rust-next. Once -rc1 is released, it is backmerged into drm-rust-next and
>> drm-rust-next is picked up by linux-next again.
>> 
>> Usually all of this remains rather transparent to contributors, but you hit the
>> case of using a new feature introduced through another tree before drm-rust-next
>> caught up with Linus's tree (which will happen next Sunday).
>> 
>> Before drm-rust-next caught up, this patch can't be applied anyways, so all
>> good.
>> 
>> > I am fairly new to kernel development, I apologize for the mix-up.
>> 
>> No worries, you did nothing wrong; thanks for the contribution!
>
> Yes sorry if I gave the impression you did something wrong - this also took me
> a moment to untangle as an experienced contributor so perfectly understandable.
> Appreciate your contribution and hope to see more of them in future.
>
>  - Alistair
>
>> - Danilo

Thank you both for the clarifications! I'll wait until the backmerge
into drm-rust-next happens, then I'll rebase this patch along with
the new conversions and send a v2.

Regards,
Nicolás