From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keir Fraser <keir@xen.org>
Subject: Re: [PATCH] Enble 6 argument hypercalls for HVMs
Date: Wed, 15 Dec 2010 10:06:16 +0000
Message-ID: <C92E4398.CF2F%keir@xen.org>
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To: Jan Beulich <JBeulich@novell.com>, Ross Philipson <Ross.Philipson@citrix.com>
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On 15/12/2010 09:07, "Jan Beulich" <JBeulich@novell.com> wrote:

>>>> On 14.12.10 at 23:16, Ross Philipson <Ross.Philipson@citrix.com> wrote:
>> Enable 6 argument hypercalls for HVMs. The hypercall code handles a sixth
>> argument in EBP or R9 but the HVM code is not passing the value.
>> 
>> Signed-off-by: Ross Philipson <ross.philipson@citrix.com>
> 
> I'm curious what hypercall there is that takes 6 arguments,
> particularly on 64-bit (where the maximum so far is 4).

The v4v hypercalls in XenClient (not as yet submitted upstream) take 6
arguments. Multicalls also need fixing up for a sixth argument, making
everything consistent with existing PV hypercall logic.

 -- Keir

> Jan
> 
> 
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