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0ecc08e2c4
NVIDIA GPUs are moving away from using NV_PMC_BOOT_0 to contain architecture and revision details, and will instead use NV_PMC_BOOT_42 in the future. NV_PMC_BOOT_0 will contain a specific set of values that will mean "go read NV_PMC_BOOT_42 instead". Change the selection logic in Nova so that it will claim Turing and later GPUs. This will work for the foreseeable future, without any further code changes here, because all NVIDIA GPUs are considered, from the oldest supported on Linux (NV04), through the future GPUs. Add some comment documentation to explain, chronologically, how boot0 and boot42 change with the GPU eras, and how that affects the selection logic. Cc: Alexandre Courbot <acourbot@nvidia.com> Cc: Danilo Krummrich <dakr@kernel.org> Cc: Timur Tabi <ttabi@nvidia.com> Reviewed-by: Joel Fernandes <joelagnelf@nvidia.com> Signed-off-by: John Hubbard <jhubbard@nvidia.com> [acourbot@nvidia.com: remove unneeded `From<BOOT_0> for Revision` implementation.] Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Message-ID: <20251115010923.1192144-4-jhubbard@nvidia.com> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.