From: Keir Fraser <keir@xen.org>
To: Jan Beulich <JBeulich@novell.com>,
Ross Philipson <Ross.Philipson@citrix.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
Subject: Re: [PATCH] Enble 6 argument hypercalls for HVMs
Date: Wed, 15 Dec 2010 10:06:16 +0000 [thread overview]
Message-ID: <C92E4398.CF2F%keir@xen.org> (raw)
In-Reply-To: <4D08936B02000078000280D3@vpn.id2.novell.com>
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
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel
next prev parent reply other threads:[~2010-12-15 10:06 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-14 22:16 [PATCH] Enble 6 argument hypercalls for HVMs Ross Philipson
2010-12-15 9:07 ` Jan Beulich
2010-12-15 10:06 ` Keir Fraser [this message]
2010-12-15 10:40 ` Jan Beulich
2010-12-15 11:43 ` Keir Fraser
2010-12-15 12:12 ` Jan Beulich
2010-12-15 13:20 ` Keir Fraser
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