linux-kernel - Re: [PATCH v2 09/76] ARC: Checksum/byteorder/swab routines

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Message-Id: <201301181421.09458.arnd@arndb.de>
Date:	Fri, 18 Jan 2013 14:21:09 +0000
From:	Arnd Bergmann <arnd@...db.de>
To:	Vineet Gupta <Vineet.Gupta1@...opsys.com>
Cc:	linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 09/76] ARC: Checksum/byteorder/swab routines

On Friday 18 January 2013, Vineet Gupta wrote:
> TBD: do_csum still needs to be written in asm

Do you actually expect a lot of improvement in do_csum?
I would hope that gcc can actually generate a pretty
good version of it, unless you have some 64-bit add-with-carry
instruction or something else that you could make use of.

> Signed-off-by: Vineet Gupta <vgupta@...opsys.com>

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