From: "Alexandre Courbot" <acourbot@nvidia.com>
To: "Gary Guo" <gary@garyguo.net>
Cc: "Danilo Krummrich" <dakr@kernel.org>,
"Alice Ryhl" <aliceryhl@google.com>,
"Daniel Almeida" <daniel.almeida@collabora.com>,
"Miguel Ojeda" <ojeda@kernel.org>,
"Boqun Feng" <boqun@kernel.org>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Benno Lossin" <lossin@kernel.org>,
"Andreas Hindborg" <a.hindborg@kernel.org>,
"Trevor Gross" <tmgross@umich.edu>,
"Tamir Duberstein" <tamird@kernel.org>,
"Onur Özkan" <work@onurozkan.dev>,
"David Airlie" <airlied@gmail.com>,
"Simona Vetter" <simona@ffwll.ch>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Krzysztof Wilczyński" <kwilczynski@kernel.org>,
driver-core@lists.linux.dev, rust-for-linux@vger.kernel.org,
linux-kernel@vger.kernel.org, nova-gpu@lists.linux.dev,
dri-devel@lists.freedesktop.org, linux-pci@vger.kernel.org
Subject: Re: [PATCH v2 14/16] rust: io: register: remove relative registers
Date: Thu, 13 Aug 2026 09:58:40 +0900 [thread overview]
Message-ID: <DKNEPVGACHOI.3QS8ZTDEPK3QQ@nvidia.com> (raw)
In-Reply-To: <20260805-typed_register-v2-14-c3ca142220a0@garyguo.net>
On Thu Aug 6, 2026 at 1:35 AM JST, Gary Guo wrote:
> Relative registers can be better served by projection to subregion instead
> of ad-hoc handling in register macro. Projection composes better (e.g. it
> natively allows relative registers of relative registers without needing
> additional support).
>
> Remove relative register support, and update the documentation to
> demonstrate how projection and subregions can be used to achieve this
> instead.
>
> Signed-off-by: Gary Guo <gary@garyguo.net>
> ---
> rust/kernel/io/register.rs | 474 +++++----------------------------------------
> 1 file changed, 52 insertions(+), 422 deletions(-)
>
> diff --git a/rust/kernel/io/register.rs b/rust/kernel/io/register.rs
> index 49a61da106c7..295b06dd53a7 100644
> --- a/rust/kernel/io/register.rs
> +++ b/rust/kernel/io/register.rs
> @@ -8,7 +8,7 @@
> //!
> //! Note: most of the items in this module are public so they can be referenced by the macro, but
> //! most are not to be used directly by users. Outside of the `register!` macro itself, the only
> -//! items you might want to import from this module are [`WithBase`] and [`Array`].
> +//! items you might want to import from this module is [`Array`].
nit: "items" should now be singular.
next prev parent reply other threads:[~2026-08-13 0:58 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-05 16:35 [PATCH v2 00/16] rust: io: support register projections and remove relative registers Gary Guo
2026-08-05 16:35 ` [PATCH v2 01/16] rust: io: add static `cast()` method for views Gary Guo
2026-08-10 9:29 ` Alexandre Courbot
2026-08-05 16:35 ` [PATCH v2 02/16] rust: io: add `IoRepr` trait Gary Guo
2026-08-10 9:30 ` Alexandre Courbot
2026-08-10 11:21 ` Gary Guo
2026-08-12 4:51 ` Alexandre Courbot
2026-08-05 16:35 ` [PATCH v2 03/16] rust: io: support register projections Gary Guo
2026-08-10 9:30 ` Alexandre Courbot
2026-08-10 11:23 ` Gary Guo
2026-08-05 16:35 ` [PATCH v2 04/16] rust: io: register: handle one register at a time Gary Guo
2026-08-10 9:30 ` Alexandre Courbot
2026-08-05 16:35 ` [PATCH v2 05/16] rust: io: register extract offset computation to helper rules Gary Guo
2026-08-10 9:31 ` Alexandre Courbot
2026-08-05 16:35 ` [PATCH v2 06/16] rust: io: register: allow explicit base type specification Gary Guo
2026-08-10 9:32 ` Alexandre Courbot
2026-08-05 16:35 ` [PATCH v2 07/16] gpu: nova-core: specify base type for registers Gary Guo
2026-08-05 16:35 ` [PATCH v2 08/16] drm/tyr: " Gary Guo
2026-08-05 16:59 ` Gary Guo
2026-08-05 16:35 ` [PATCH v2 09/16] samples: rust: pci: " Gary Guo
2026-08-05 16:35 ` [PATCH v2 10/16] rust: io: register: make register have a typed base Gary Guo
2026-08-05 16:35 ` [PATCH v2 11/16] rust: io: register: support fixed offset register without bitfield Gary Guo
2026-08-12 9:01 ` Alexandre Courbot
2026-08-05 16:35 ` [PATCH v2 12/16] gpu: nova-core: use projection for PFALCON and PFALCON2 registers Gary Guo
2026-08-12 14:48 ` Alexandre Courbot
2026-08-12 20:44 ` John Hubbard
2026-08-05 16:35 ` [PATCH v2 13/16] gpu: nova-core: convert hshub0 from relative register to projection Gary Guo
2026-08-05 16:35 ` [PATCH v2 14/16] rust: io: register: remove relative registers Gary Guo
2026-08-13 0:58 ` Alexandre Courbot [this message]
2026-08-05 16:35 ` [PATCH v2 15/16] rust: io: register: remove `Register` trait and cleanup macro Gary Guo
2026-08-05 16:35 ` [PATCH v2 16/16] rust: io: register: unify handling of register with/without bitfields Gary Guo
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