linux-kernel - Re: [PATCH v2] sh: Remove IO memcpy and memset from sh code

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Message-Id: <3b821e8a-ea45-4bb1-874f-ff18f37dd455@app.fastmail.com>
Date: Tue, 28 Jan 2025 11:21:36 +0100
From: "Arnd Bergmann" <arnd@...db.de>
To: "Julian Vetter" <julian@...er-limits.org>,
 "Yoshinori Sato" <ysato@...rs.sourceforge.jp>,
 "Rich Felker" <dalias@...c.org>,
 "John Paul Adrian Glaubitz" <glaubitz@...sik.fu-berlin.de>
Cc: linux-sh@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] sh: Remove IO memcpy and memset from sh code

On Tue, Jan 28, 2025, at 11:13, Julian Vetter wrote:
> Remove IO memcpy and memset from sh specific code and fall back to the
> new implementations from lib/iomem_copy.c. They use word accesses if the
> buffers are aligned and only fall back to byte accesses for potentially
> unaligned parts of a buffer.
>
> Signed-off-by: Julian Vetter <julian@...er-limits.org>
> ---
> Changes for V2:
> - Removed also SH4 specific memcpy_fromio code

Reviewed-by: Arnd Bergmann <arnd@...db.de>