WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

Re: [Xen-devel] [PATCH] Enble 6 argument hypercalls for HVMs

To: Jan Beulich <JBeulich@xxxxxxxxxx>, Ross Philipson <Ross.Philipson@xxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] Enble 6 argument hypercalls for HVMs
From: Keir Fraser <keir@xxxxxxx>
Date: Wed, 15 Dec 2010 10:06:16 +0000
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Wed, 15 Dec 2010 02:07:23 -0800
Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:sender:user-agent:date :subject:from:to:cc:message-id:thread-topic:thread-index:in-reply-to :mime-version:content-type:content-transfer-encoding; bh=cg/rWyDgw55tPg6QfzRfKXqySvPzGAjNXs+FLGb5f50=; b=J7li7SXSBq4IeNs21y15rxNTq2k6X8obsu3vgID93FNhAISUw0WeOK7ZDmL7phcXUR udoHPTMNtplFMbjPLNQNkEXFVqf+qpAGYUlTJCK4Gz8CpNYZJkZ7dKEZwQt0CfuXWSQ+ 8Tx1hrSFYCSCOW12vTszMfzZ9R5si1yAjZmbk=
Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=sender:user-agent:date:subject:from:to:cc:message-id:thread-topic :thread-index:in-reply-to:mime-version:content-type :content-transfer-encoding; b=CHhWlNUZ02bdi27sgJQQgNlmf+ICLwYssGdBFCADlgW5RPNQvOyqf4YDMXP93RnSFz +roNR5vNI+NW/ENGWTkTqf3SCq7g92iN1pp4f59IXE2xoUOWSfaY4lgm0oFki8D7cNh/ 42U+FUa7nkMMt1FXXT79vtpxnISqLR2mIIgM4=
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <4D08936B02000078000280D3@xxxxxxxxxxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: AcucP7X4GiTi3vG9DEOldySbIUu1MQ==
Thread-topic: [Xen-devel] [PATCH] Enble 6 argument hypercalls for HVMs
User-agent: Microsoft-Entourage/12.27.0.100910
On 15/12/2010 09:07, "Jan Beulich" <JBeulich@xxxxxxxxxx> wrote:

>>>> On 14.12.10 at 23:16, Ross Philipson <Ross.Philipson@xxxxxxxxxx> 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@xxxxxxxxxx>
> 
> 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@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel