linux-kernel - Re: [PATCH] libata-sff: fix 32-bit PIO regression

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Message-ID: <20090208201125.49326bd2@lxorguk.ukuu.org.uk>
Date:	Sun, 8 Feb 2009 20:11:25 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Sergei Shtylyov <sshtylyov@...mvista.com>
Cc:	jgarzik@...ox.com, linux-ide@...r.kernel.org,
	linux-kernel@...r.kernel.org, rjw@...k.pl
Subject: Re: [PATCH] libata-sff: fix 32-bit PIO regression

On Sun, 8 Feb 2009 23:53:07 +0400
Sergei Shtylyov <sshtylyov@...mvista.com> wrote:

> one last  time when there are exactly 3 trailing bytes.  Oh, and stop pointless
> swapping bytes to and fro as well by using io*_rep() which shouldn't byte-swap.

Nice - thats a very sneaky and clean way to do it but probably should be
commented or someone will "optimise" it one day ..
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