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Date:	Tue, 20 Mar 2007 12:33:10 +0100 (CET)
From:	Andreas Kleen <>
To:	Jeremy Fitzhardinge <>
Cc:	Zachary Amsden <>,,,,,,, Andi Kleen <>,
	"Eric W. Biederman" <>,,, Linus Torvalds <>,
	David Miller <>
Subject: Re: [patch 13/26] Xen-paravirt_ops: Consistently wrap paravirt ops	callsites to make them patchable

Am Di 20.03.2007 06:54 schrieb Jeremy Fitzhardinge <>:

> Zachary Amsden wrote:
> > For VMI, the default clobber was "cc", and you need a way to allow
> > at
> > least that, because saving and restoring flags is too expensive on
> > x86.
> According to lore (Andi, I think), asm() always clobbers cc.

asm with input and/or output. I'm not sure about asms without that.


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