From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gleb Natapov Subject: Re: interrupt remapping support Date: Wed, 14 Nov 2012 19:35:50 +0200 Message-ID: <20121114173550.GI13385@redhat.com> References: <20121113092940.GA13385@redhat.com> <20121114170611.GE13385@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Abhinav Srivastava , "kvm@vger.kernel.org" To: emdel Return-path: Received: from mx1.redhat.com ([209.132.183.28]:11915 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1423098Ab2KNRfx (ORCPT ); Wed, 14 Nov 2012 12:35:53 -0500 Content-Disposition: inline In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: On Wed, Nov 14, 2012 at 06:31:30PM +0100, emdel wrote: > On Wed, Nov 14, 2012 at 6:06 PM, Gleb Natapov wrote: > > > KVM uses VT-d on a host for device assignment. Guest running inside KVM > > will not see VT-d though since KVM does not emulate it. > > > > So another question comes up in my mind: > what's the purpose of the host devices assignment if I cannot use it for > the guest? > I do not think you understand what I am saying. You can use device assignment for a guest. -- Gleb.