From: Arnd Bergmann <arnd@arndb.de>
To: Will Deacon <will.deacon@arm.com>
Cc: linux-kernel@vger.kernel.org,
uclinux-dist-devel@blackfin.uclinux.org,
Mike Frysinger <vapier@gentoo.org>
Subject: Re: [PATCH 2/2] asm-generic: io: don't perform swab during {in,out} string functions
Date: Fri, 27 Apr 2012 12:12:40 +0000 [thread overview]
Message-ID: <201204271212.40203.arnd@arndb.de> (raw)
In-Reply-To: <1335523376-14695-2-git-send-email-will.deacon@arm.com>
On Friday 27 April 2012, Will Deacon wrote:
> The {in,out}s{b,w,l} functions are designed to operate on a stream of
> bytes and therefore should not perform any byte-swapping, regardless of
> the CPU byte order.
>
> This patch fixes the generic IO header so that {in,out}s{b,w,l} call
> the __raw_{read,write} functions directly rather than going via the
> endian-correcting accessors.
>
> Cc: Arnd Bergmann <arnd@arndb.de>
> Cc: Mike Frysinger <vapier@gentoo.org>
> Signed-off-by: Will Deacon <will.deacon@arm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
next prev parent reply other threads:[~2012-04-27 12:12 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-27 10:42 [PATCH 1/2] asm-generic: io: remove {read,write} string functions Will Deacon
2012-04-27 10:42 ` [PATCH 2/2] asm-generic: io: don't perform swab during {in,out} " Will Deacon
2012-04-27 12:12 ` Arnd Bergmann [this message]
2012-04-27 16:18 ` Mike Frysinger
2012-04-27 16:59 ` Will Deacon
2012-04-27 17:26 ` Mike Frysinger
2012-04-27 12:12 ` [PATCH 1/2] asm-generic: io: remove {read,write} " Arnd Bergmann
2012-04-27 16:17 ` Mike Frysinger
2012-04-27 16:53 ` Will Deacon
2012-04-27 17:18 ` Mike Frysinger
2012-04-28 8:46 ` Geert Uytterhoeven
2012-04-27 20:29 ` H. Peter Anvin
2012-04-27 16:23 ` H. Peter Anvin
2012-04-27 17:14 ` Will Deacon
2012-04-27 17:53 ` H. Peter Anvin
2012-04-27 20:52 ` Arnd Bergmann
2012-04-27 23:26 ` Mike Frysinger
2012-05-01 13:34 ` Will Deacon
2012-05-01 14:40 ` Arnd Bergmann
2012-05-01 18:28 ` Mike Frysinger
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