From: "Alexandre Courbot" <acourbot@nvidia.com>
To: "Eliot Courtney" <ecourtney@nvidia.com>
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>, "Gary Guo" <gary@garyguo.net>,
"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>,
"Yury Norov" <yury.norov@gmail.com>,
"David Airlie" <airlied@gmail.com>,
"Simona Vetter" <simona@ffwll.ch>,
"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
"Maxime Ripard" <mripard@kernel.org>,
"Thomas Zimmermann" <tzimmermann@suse.de>,
"Jonathan Corbet" <corbet@lwn.net>,
"Shuah Khan" <skhan@linuxfoundation.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-doc@vger.kernel.org
Subject: Re: [PATCH 03/12] rust: num: add Bounded::shr_exact
Date: Fri, 07 Aug 2026 23:04:08 +0900 [thread overview]
Message-ID: <DKIRNZU2XQNE.19XD9LHUSR80J@nvidia.com> (raw)
In-Reply-To: <20260805-pramin-split-v1-3-ff3e84a75dac@nvidia.com>
On Wed Aug 5, 2026 at 2:44 PM JST, Eliot Courtney wrote:
> Add `shr_exact` in the vein of `try_shrink` which shifts a bounded right
> only if it loses no set bits. This is useful for getting a shifted down
> integer while simultaneously checking that it's aligned.
>
> Signed-off-by: Eliot Courtney <ecourtney@nvidia.com>
Maybe it is worth briefly mentioning that an equivalent method exists in
the standard library (in nightly) for primitive types [1].
With the missing `#[inline]` mentioned by Sashiko fixed,
Acked-by: Alexandre Courbot <acourbot@nvidia.com>
[1] https://doc.rust-lang.org/std/primitive.u32.html#method.shr_exact
next prev parent reply other threads:[~2026-08-07 14:04 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-05 5:44 [PATCH 00/12] gpu: nova-core: add PRAMIN window support Eliot Courtney
2026-08-05 5:44 ` [PATCH 01/12] rust: io: add Region::try_subregion Eliot Courtney
2026-08-05 10:43 ` Gary Guo
2026-08-07 5:39 ` Eliot Courtney
2026-08-07 14:03 ` Alexandre Courbot
2026-08-07 14:09 ` Gary Guo
2026-08-10 6:32 ` Eliot Courtney
2026-08-05 5:44 ` [PATCH 02/12] rust: num: reject Bounded::shr overshifts at build time Eliot Courtney
2026-08-05 5:55 ` sashiko-bot
2026-08-07 14:03 ` Alexandre Courbot
2026-08-07 17:12 ` Miguel Ojeda
2026-08-09 2:12 ` Alexandre Courbot
2026-08-07 19:14 ` Gary Guo
2026-08-05 5:44 ` [PATCH 03/12] rust: num: add Bounded::shr_exact Eliot Courtney
2026-08-05 5:51 ` sashiko-bot
2026-08-07 14:04 ` Alexandre Courbot [this message]
2026-08-05 5:44 ` [PATCH 04/12] gpu: nova-core: mm: Add VramAddress type Eliot Courtney
2026-08-05 5:49 ` sashiko-bot
2026-08-05 5:44 ` [PATCH 05/12] gpu: nova-core: mm: Implement Alignable and Debug for VramAddress Eliot Courtney
2026-08-05 5:44 ` [PATCH 06/12] gpu: nova-core: mm: Add PRAMIN window registers Eliot Courtney
2026-08-05 5:44 ` [PATCH 07/12] gpu: nova-core: mm: Add the memory management HAL Eliot Courtney
2026-08-05 5:44 ` [PATCH 08/12] gpu: nova-core: mm: Add support to use PRAMIN windows to write to VRAM Eliot Courtney
2026-08-05 5:44 ` [PATCH 09/12] docs: gpu: nova-core: Document the PRAMIN aperture mechanism Eliot Courtney
2026-08-05 5:44 ` [PATCH 10/12] gpu: nova-core: mm: Add GpuMm centralized memory manager Eliot Courtney
2026-08-05 5:52 ` sashiko-bot
2026-08-05 5:44 ` [PATCH 11/12] gpu: nova-core: Add self-test assertion macros and config option Eliot Courtney
2026-08-05 5:44 ` [PATCH 12/12] gpu: nova-core: mm: Add PRAMIN aperture self-tests Eliot Courtney
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