From: "Alexandre Courbot" <acourbot@nvidia.com>
To: "Miguel Ojeda" <miguel.ojeda.sandonis@gmail.com>
Cc: "Miguel Ojeda" <ojeda@kernel.org>,
"Alex Gaynor" <alex.gaynor@gmail.com>,
"Boqun Feng" <boqun.feng@gmail.com>,
"Gary Guo" <gary@garyguo.net>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Andreas Hindborg" <a.hindborg@kernel.org>,
"Alice Ryhl" <aliceryhl@google.com>,
"Trevor Gross" <tmgross@umich.edu>,
"Danilo Krummrich" <dakr@kernel.org>,
"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>,
"Benno Lossin" <lossin@kernel.org>,
"John Hubbard" <jhubbard@nvidia.com>,
"Ben Skeggs" <bskeggs@nvidia.com>,
"Joel Fernandes" <joelagnelf@nvidia.com>,
"Timur Tabi" <ttabi@nvidia.com>,
"Alistair Popple" <apopple@nvidia.com>,
linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org,
nouveau@lists.freedesktop.org, dri-devel@lists.freedesktop.org
Subject: Re: [PATCH v5 05/23] rust: num: add the `fls` operation
Date: Sun, 15 Jun 2025 19:51:04 +0900 [thread overview]
Message-ID: <DAN1SGG5DPVE.UUW0B523LQHO@nvidia.com> (raw)
In-Reply-To: <CANiq72=3nDR=J2OXu9nWwZW_kcWfZ4KhZ3aS12_dcB=1EP2icQ@mail.gmail.com>
On Sun Jun 15, 2025 at 6:37 PM JST, Miguel Ojeda wrote:
> On Thu, Jun 12, 2025 at 4:02 PM Alexandre Courbot <acourbot@nvidia.com> wrote:
>>
>> + /// ```
>> + /// use kernel::num::fls_u32;
>> + ///
>> + /// assert_eq!(fls_u32(0x0), 0);
>> + /// assert_eq!(fls_u32(0x1), 1);
>> + /// assert_eq!(fls_u32(0x10), 5);
>> + /// assert_eq!(fls_u32(0xffff), 16);
>> + /// assert_eq!(fls_u32(0x8000_0000), 32);
>> + /// ```
>
> For a future patch series: this could provide examples per type
> (passing them in the `impl_fls!` call).
>
> I can create a good first issue if this lands and it is not somewhere already.
I was worried that the examples would be mostly duplicated, although
it is true that seeing how the function behaves at the limits of each
type is valuable. I'll prepare a patch to either squash for v6 or submit
as a follow-up.
next prev parent reply other threads:[~2025-06-15 10:51 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-12 14:01 [PATCH v5 00/23] nova-core: run FWSEC-FRTS to perform first stage of GSP initialization Alexandre Courbot
2025-06-12 14:01 ` [PATCH v5 01/23] rust: dma: expose the count and size of CoherentAllocation Alexandre Courbot
2025-06-12 14:01 ` [PATCH v5 02/23] rust: make ETIMEDOUT error available Alexandre Courbot
2025-06-12 14:01 ` [PATCH v5 03/23] rust: sizes: add constants up to SZ_2G Alexandre Courbot
2025-06-12 14:01 ` [PATCH v5 04/23] rust: add new `num` module with `PowerOfTwo` type Alexandre Courbot
2025-06-12 15:07 ` Boqun Feng
2025-06-12 20:00 ` John Hubbard
2025-06-12 20:05 ` Boqun Feng
2025-06-12 20:08 ` John Hubbard
2025-06-12 20:12 ` Boqun Feng
2025-06-13 14:16 ` Alexandre Courbot
2025-06-13 15:25 ` Boqun Feng
2025-06-14 17:08 ` Boqun Feng
2025-06-16 5:14 ` Alexandre Courbot
2025-06-14 17:31 ` Boqun Feng
2025-06-16 5:19 ` Alexandre Courbot
2025-06-14 19:09 ` Benno Lossin
2025-06-15 13:32 ` Miguel Ojeda
2025-06-16 5:13 ` Alexandre Courbot
2025-06-12 14:01 ` [PATCH v5 05/23] rust: num: add the `fls` operation Alexandre Courbot
2025-06-14 19:16 ` Benno Lossin
2025-06-16 6:41 ` Alexandre Courbot
2025-06-18 19:24 ` Benno Lossin
2025-06-19 13:26 ` Alexandre Courbot
2025-06-19 13:28 ` Benno Lossin
2025-06-15 9:37 ` Miguel Ojeda
2025-06-15 10:51 ` Alexandre Courbot [this message]
2025-06-15 10:58 ` Alexandre Courbot
2025-06-15 13:25 ` Miguel Ojeda
2025-06-16 6:36 ` Alexandre Courbot
2025-06-12 14:01 ` [PATCH v5 06/23] gpu: nova-core: use absolute paths in register!() macro Alexandre Courbot
2025-06-12 14:01 ` [PATCH v5 07/23] gpu: nova-core: add delimiter for helper rules " Alexandre Courbot
2025-06-12 14:01 ` [PATCH v5 08/23] gpu: nova-core: expose the offset of each register as a type constant Alexandre Courbot
2025-06-12 14:01 ` [PATCH v5 09/23] gpu: nova-core: allow register aliases Alexandre Courbot
2025-06-12 14:01 ` [PATCH v5 10/23] gpu: nova-core: increase BAR0 size to 16MB Alexandre Courbot
2025-06-12 14:01 ` [PATCH v5 11/23] gpu: nova-core: add helper function to wait on condition Alexandre Courbot
2025-06-12 14:01 ` [PATCH v5 12/23] gpu: nova-core: wait for GFW_BOOT completion Alexandre Courbot
2025-06-12 14:01 ` [PATCH v5 13/23] gpu: nova-core: add DMA object struct Alexandre Courbot
2025-06-12 14:01 ` [PATCH v5 14/23] gpu: nova-core: register sysmem flush page Alexandre Courbot
2025-06-12 14:01 ` [PATCH v5 15/23] gpu: nova-core: add falcon register definitions and base code Alexandre Courbot
2025-06-17 16:33 ` Danilo Krummrich
2025-06-18 5:26 ` Alexandre Courbot
2025-06-12 14:01 ` [PATCH v5 16/23] gpu: nova-core: firmware: add ucode descriptor used by FWSEC-FRTS Alexandre Courbot
2025-06-12 14:01 ` [PATCH v5 17/23] gpu: nova-core: vbios: Add base support for VBIOS construction and iteration Alexandre Courbot
2025-06-12 14:01 ` [PATCH v5 18/23] gpu: nova-core: vbios: Add support to look up PMU table in FWSEC Alexandre Courbot
2025-06-12 14:01 ` [PATCH v5 19/23] gpu: nova-core: vbios: Add support for FWSEC ucode extraction Alexandre Courbot
2025-06-12 14:01 ` [PATCH v5 20/23] gpu: nova-core: compute layout of the FRTS region Alexandre Courbot
2025-06-12 14:01 ` [PATCH v5 21/23] gpu: nova-core: add types for patching firmware binaries Alexandre Courbot
2025-06-12 14:01 ` [PATCH v5 22/23] gpu: nova-core: extract FWSEC from BIOS and patch it to run FWSEC-FRTS Alexandre Courbot
2025-06-12 14:01 ` [PATCH v5 23/23] gpu: nova-core: load and " Alexandre Courbot
2025-06-18 20:23 ` Danilo Krummrich
2025-06-18 20:24 ` Danilo Krummrich
2025-06-19 12:35 ` Alexandre Courbot
2025-06-19 12:43 ` Danilo Krummrich
2025-06-17 20:14 ` [PATCH v5 00/23] nova-core: run FWSEC-FRTS to perform first stage of GSP initialization Danilo Krummrich
2025-06-18 8:25 ` Alexandre Courbot
2025-06-18 20:14 ` Danilo Krummrich
2025-06-19 7:14 ` Alexandre Courbot
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