linux-kernel - Re: [PATCH] x86: collapse the various size-dependent percpu accessors together

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Message-ID: <20080604112939.GA27845@elte.hu>
Date:	Wed, 4 Jun 2008 13:29:39 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Mike Travis <travis@....com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Christoph Lameter <clameter@....com>,
	David Miller <davem@...emloft.net>,
	Eric Dumazet <dada1@...mosbay.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: collapse the various size-dependent percpu
	accessors together


* Jeremy Fitzhardinge <jeremy@...p.org> wrote:

> Jeremy Fitzhardinge wrote:
>> We can use gcc's %z modifier to emit the appropriate size suffix for
>> an instruction, so we don't need to duplicate the asm statement for
>> each size.
>
> Nah, it's a disaster.  Drop this one.

hm, what's the problem with it? What you are trying to do here looks 
like a nice cleanup - assuming it results in the same instructions 
emitted ;-)

	Ingo
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