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

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Message-ID: <20090119184951.35a52184@lxorguk.ukuu.org.uk>
Date:	Mon, 19 Jan 2009 18:49:51 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Sergei Shtylyov <sshtylyov@...mvista.com>
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

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

Tried looking at how ide_mm_inb is defined on x86

> > It's already making function calls, without the benefit of inlining and
> 
>     I'm afraid you're wrong here.

I'm afraid you are the one who is wrong. The IDE layer is duplicating a
generic level of indirection with its own code - purely because IDE
pre-dates that core functionality. The whole IDE layer indirection can go
away because Linux has caught up with the needs of the IDE layer.

Alan
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