linux-kernel - Re: [PATCH v3 2/2] gpu: nova-core: add boot42 support for next-gen GPUs

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Message-ID: <479ae6b7fb05376d21bdfe1fcde9e3705c11ecc4.camel@nvidia.com>
Date: Thu, 30 Oct 2025 01:01:59 +0000
From: Timur Tabi <ttabi@...dia.com>
To: "dakr@...nel.org" <dakr@...nel.org>, John Hubbard <jhubbard@...dia.com>
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	Alistair Popple <apopple@...dia.com>
Subject: Re: [PATCH v3 2/2] gpu: nova-core: add boot42 support for next-gen
 GPUs

On Wed, 2025-10-29 at 17:35 -0700, John Hubbard wrote:
>         // "Future" GPUs (some time after Rubin) will set `architecture_0`
>         // to 0, and `architecture_1` to 1, and put the architecture details in
>         // boot42 instead.

I don't want to kick a dead horse here, but aren't the architecture details already in boot42
for Turing?  I thought the whole point was that we don't need boot0 any more, and only Nouveau
has to worry about boot0 vs boot42.