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

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Message-ID: <46CC0EAF.3000805@qumranet.com>
Date:	Wed, 22 Aug 2007 13:23:43 +0300
From:	Avi Kivity <avi@...ranet.com>
To:	Andi Kleen <ak@...e.de>
CC:	Rusty Russell <rusty@...tcorp.com.au>,
	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

Andi Kleen wrote:
>> I don't see why it's intrusive -- they all use the APIs, right?
>>     
>
> Yes, but it still changes them. It might have a larger impact
> on code size for example. 
>   

Only if CONFIG_PARAVIRT is defined.  And even then, all the performance 
sensitive stuff uses mmio, no?


-- 
error compiling committee.c: too many arguments to function

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