From mboxrd@z Thu Jan  1 00:00:00 1970
From: Avi Kivity <avi@redhat.com>
Subject: Re: KVM_HYPERCALL
Date: Sun, 17 May 2009 23:25:39 +0300
Message-ID: <4A1072C3.2070808@redhat.com>
References: <3D9CB4061D1EB3408D4A0B910433453C030BCA85AC@inbmail01.lsi.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Cc: "kvm@vger.kernel.org" <kvm@vger.kernel.org>
To: "Kumar, Venkat" <Venkat.Kumar@lsi.com>
Return-path: <kvm-owner@vger.kernel.org>
Received: from mx2.redhat.com ([66.187.237.31]:50219 "EHLO mx2.redhat.com"
	rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
	id S1752250AbZEQUZs (ORCPT <rfc822;kvm@vger.kernel.org>);
	Sun, 17 May 2009 16:25:48 -0400
In-Reply-To: <3D9CB4061D1EB3408D4A0B910433453C030BCA85AC@inbmail01.lsi.com>
Sender: kvm-owner@vger.kernel.org
List-ID: <kvm.vger.kernel.org>

Kumar, Venkat wrote:
> I am making a hypercall "kvm_hypercall0" with number 0 from a Linux guest. But I don't see the control coming to "handle_vmcall" or even "kvm_handle_exit". What could be the reason?
>   

No idea.  kvm_handle_exit() is called very frequently, even without 
hypercalls.  Are you sure you don't see it called?

-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.