Re: [PATCH v4 19/33] gpu: nova-core: Hopper/Blackwell: calculate reserved FB heap size

Miguel Ojeda
2026-02-19T09:01:53Z

On Thu, Feb 19, 2026 at 4:02 AM John Hubbard <jhubbard@nvidia.com> wrote:
>
> That doesn't compile on rustc 1.78.0:
>
> error[E0658]: inline-const is experimental
> --> drivers/gpu/nova-core/num.rs:225:5
> |
> 225 | const { core::assert!(ALIGN.is_power_of_two(), "ALIGN must be a power of two") };
> | ^^^^^
> |
> = note: see issue #76001 <https://github.com/rust-lang/rust/issues/76001> for more information
> = help: add `#![feature(inline_const)]` to the crate attributes to enable
> = note: this compiler was built on 2024-04-29; consider upgrading it if it is out of date
>
> error: aborting due to 1 previous error
>
> For more information about this error, try `rustc --explain E0658`.

Please feel free to add `inline_const` to `rust_allowed_features` in
`scripts/Makefile.build`.

We are going to do it here:

https://lore.kernel.org/rust-for-linux/20260206171253.2704684-2-gary@kernel.org/

Cheers,
Miguel