From: Richard Henderson <richard.henderson@linaro.org>
To: Julian Vetter <jvetter@kalrayinc.com>,
Arnd Bergmann <arnd@arndb.de>,
Russell King <linux@armlinux.org.uk>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Guo Ren <guoren@kernel.org>,
Huacai Chen <chenhuacai@kernel.org>,
WANG Xuerui <kernel@xen0n.name>,
Andrew Morton <akpm@linux-foundation.org>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
Matt Turner <mattst88@gmail.com>,
"James E . J . Bottomley" <James.Bottomley@hansenpartnership.com>,
Helge Deller <deller@gmx.de>,
Yoshinori Sato <ysato@users.sourceforge.jp>,
Rich Felker <dalias@libc.org>,
John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
Richard Weinberger <richard@nod.at>,
Anton Ivanov <anton.ivanov@cambridgegreys.com>,
Johannes Berg <johannes@sipsolutions.net>
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org,
loongarch@lists.linux.dev, linux-m68k@lists.linux-m68k.org,
linux-alpha@vger.kernel.org, linux-parisc@vger.kernel.org,
linux-sh@vger.kernel.org, linux-um@lists.infradead.org,
linux-arch@vger.kernel.org,
Yann Sionneau <ysionneau@kalrayinc.com>
Subject: Re: [PATCH v7 01/10] Consolidate IO memcpy/memset into iomap_copy.c
Date: Thu, 3 Oct 2024 09:46:50 -0700 [thread overview]
Message-ID: <a4f85184-73d4-44e4-bddd-0c1775ed9f50@linaro.org> (raw)
In-Reply-To: <20240930132321.2785718-2-jvetter@kalrayinc.com>
On 9/30/24 06:23, Julian Vetter wrote:
> +void memset_io(volatile void __iomem *dst, int c, size_t count)
> +{
> + uintptr_t qc = (u8)c;
Missed one change to 'long'
> +
> + qc |= qc << 8;
> + qc |= qc << 16;
> +
> +#ifdef CONFIG_64BIT
> + qc |= qc << 32;
> +#endif
Could be 'qc *= -1ul / 0xff;'
r~
next prev parent reply other threads:[~2024-10-03 16:46 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-30 13:23 [PATCH v7 00/10] Consolidate IO memcpy functions Julian Vetter
2024-09-30 13:23 ` [PATCH v7 01/10] Consolidate IO memcpy/memset into iomap_copy.c Julian Vetter
2024-10-03 4:23 ` kernel test robot
2024-10-03 16:46 ` Richard Henderson [this message]
2024-10-06 18:50 ` David Laight
2024-09-30 13:23 ` [PATCH v7 02/10] arm64: Use generic IO memcpy/memset Julian Vetter
2024-09-30 13:23 ` [PATCH v7 03/10] csky: " Julian Vetter
2024-09-30 13:23 ` [PATCH v7 04/10] loongarch: " Julian Vetter
2024-09-30 13:23 ` [PATCH v7 05/10] m68k: Align prototypes of " Julian Vetter
2024-09-30 17:46 ` Geert Uytterhoeven
2024-09-30 13:23 ` [PATCH v7 06/10] alpha: " Julian Vetter
2024-10-03 14:46 ` Richard Henderson
2024-09-30 13:23 ` [PATCH v7 07/10] parisc: " Julian Vetter
2024-10-03 14:49 ` Richard Henderson
2024-09-30 13:23 ` [PATCH v7 08/10] sh: " Julian Vetter
2024-09-30 17:52 ` Geert Uytterhoeven
2024-09-30 13:23 ` [PATCH v7 09/10] um: Add dummy implementation for " Julian Vetter
2024-10-01 12:53 ` Johannes Berg
2024-10-07 7:49 ` Julian Vetter
2024-10-07 8:06 ` Johannes Berg
2024-09-30 13:23 ` [PATCH v7 10/10] arm: Align prototype of IO memset Julian Vetter
2024-09-30 17:50 ` Geert Uytterhoeven
2024-10-01 12:46 ` [PATCH v7 00/10] Consolidate IO memcpy functions Niklas Schnelle
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