From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chris Wright <chrisw@sous-sol.org>
Subject: Re: [RFC PATCH 0/3] generic hypercall support
Date: Thu, 7 May 2009 12:07:51 -0700
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Cc: Gregory Haskins <ghaskins@novell.com>,
	Gregory Haskins <gregory.haskins@gmail.com>,
	Chris Wright <chrisw@sous-sol.org>,
	linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
	Anthony Liguori <anthony@codemonkey.ws>
To: Avi Kivity <avi@redhat.com>
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* Avi Kivity (avi@redhat.com) wrote:
> Gregory Haskins wrote:
>> Cool,  I will code this up and submit it.  While Im at it, Ill run it
>> through the "nullio" ringer, too. ;)  It would be cool to see the
>> pv-mmio hit that 2.07us number.  I can't think of any reason why this
>> will not be the case.
>
> Don't - it's broken.  It will also catch device assignment mmio and  
> hypercall them.

Not necessarily.  It just needs to be creative w/ IO_COND