From: Ben Dooks <ben.dooks@codethink.co.uk>
To: Ignacio Encinas <ignacio@iencinas.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Alexandre Ghiti <alex@ghiti.fr>, Arnd Bergmann <arnd@arndb.de>
Cc: "Eric Biggers" <ebiggers@kernel.org>,
linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
linux-kernel-mentees@lists.linux.dev, skhan@linuxfoundation.org,
"Zhihang Shao" <zhihang.shao.iscas@gmail.com>,
"Björn Töpel" <bjorn@kernel.org>,
linux-arch@vger.kernel.org
Subject: Re: [PATCH v3 0/2] Implement endianess swap macros for RISC-V
Date: Fri, 4 Apr 2025 16:56:39 +0100 [thread overview]
Message-ID: <a92dad03-664b-46a6-9761-b788c47ff6f4@codethink.co.uk> (raw)
In-Reply-To: <20250403-riscv-swab-v3-0-3bf705d80e33@iencinas.com>
On 03/04/2025 21:34, Ignacio Encinas wrote:
> Motivated by [1]. A couple of things to note:
>
> RISC-V needs a default implementation to fall back on. There is one
> available in include/uapi/linux/swab.h but that header can't be included
> from arch/riscv/include/asm/swab.h. Therefore, the first patch in this
> series moves the default implementation into asm-generic.
>
> Tested with crc_kunit as pointed out here [2]. I can't provide
> performance numbers as I don't have RISC-V hardware yet.
>
> [1] https://lore.kernel.org/all/20250302220426.GC2079@quark.localdomain/
> [2] https://lore.kernel.org/all/20250216225530.306980-1-ebiggers@kernel.org/
>
> Signed-off-by: Ignacio Encinas <ignacio@iencinas.com>
I'll try and get these tested with my big-endian riscv qemu and verify
if they work there.
--
Ben Dooks http://www.codethink.co.uk/
Senior Engineer Codethink - Providing Genius
https://www.codethink.co.uk/privacy.html
prev parent reply other threads:[~2025-04-04 15:56 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-03 20:34 [PATCH v3 0/2] Implement endianess swap macros for RISC-V Ignacio Encinas
2025-04-03 20:34 ` [PATCH v3 1/2] include/uapi/linux/swab.h: move default implementation for swab macros into asm-generic Ignacio Encinas
2025-04-04 15:31 ` kernel test robot
2025-04-03 20:34 ` [PATCH v3 2/2] riscv: introduce asm/swab.h Ignacio Encinas
2025-04-04 5:58 ` Arnd Bergmann
2025-04-04 15:54 ` Ben Dooks
2025-04-04 17:35 ` Ignacio Encinas
2025-04-23 11:08 ` Alexandre Ghiti
2025-04-24 17:27 ` Ignacio Encinas Rubio
2025-04-04 15:47 ` Ben Dooks
2025-04-04 17:53 ` Ignacio Encinas
2025-04-04 19:28 ` Eric Biggers
2025-04-04 15:55 ` Ben Dooks
2025-04-04 18:13 ` Ignacio Encinas
2025-04-04 15:56 ` Ben Dooks [this message]
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