linux-kernel - Re: [RFC PATCH 0/3] generic hypercall support

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Message-ID: <4A032472.4030106@redhat.com>
Date:	Thu, 07 May 2009 21:12:02 +0300
From:	Avi Kivity <avi@...hat.com>
To:	Gregory Haskins <gregory.haskins@...il.com>
CC:	Gregory Haskins <ghaskins@...ell.com>,
	Chris Wright <chrisw@...s-sol.org>,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	Anthony Liguori <anthony@...emonkey.ws>
Subject: Re: [RFC PATCH 0/3] generic hypercall support

Gregory Haskins wrote:
>> What do you think of my mmio hypercall?  That will speed up all mmio
>> to be as fast as a hypercall, and then we can use ordinary mmio/pio
>> writes to trigger things.
>>
>>     
> I like it!
>
> Bigger question is what kind of work goes into making mmio a pv_op (or
> is this already done)?
>
>   

Looks like it isn't there.  But it isn't any different than set_pte - 
convert a write into a hypercall.


-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

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