linux-kernel - Re: [PATCH] Add I/O hypercalls for i386 paravirt

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Message-ID: <20070822103545.GG2642@bingen.suse.de>
Date:	Wed, 22 Aug 2007 12:35:45 +0200
From:	Andi Kleen <ak@...e.de>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	Avi Kivity <avi@...ranet.com>, Andrew Morton <akpm@...l.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Chris Wright <chrisw@...s-sol.org>,
	Virtualization Mailing List <virtualization@...ts.osdl.org>
Subject: Re: [PATCH] Add I/O hypercalls for i386 paravirt

> This patch also means I can kill off the emulation code in
> drivers/lguest/core.c, which is a real relief.

But would it be faster? If not or only insignificant amount I think I would 
prefer you keep it. Hooking IO is quite intrusive because it's done
by so many drivers.

-Andi
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