linux-kernel - Re: [PATCH 2/6] ide: move SFF I/O code to ide-io-sff.c

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Message-ID: <4974CA81.1050506@ru.mvista.com>
Date:	Mon, 19 Jan 2009 21:46:25 +0300
From:	Sergei Shtylyov <sshtylyov@...mvista.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/6] ide: move SFF I/O code to ide-io-sff.c

Alan Cox wrote:

>>>BTW if you moved to ioreadX you could get rid of almost all the readb/inb
>>>special casing.

>>    And burden the driver code with function calls ISO in/out instructions, at 
>>least on x86. It's somewhat arguable move.

> And exactly how do you think the IDE accessors in the file get called ?

    Tried looking at how in*()/out*() are defined on x86?

> It's already making function calls, without the benefit of inlining and

    I'm afraid you're wrong here.

MBR, Sergei
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