From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gleb Natapov Subject: Re: [patch 4/8] KVM: x86: replace hrtimer based timer emulation Date: Wed, 8 Jul 2009 19:29:58 +0300 Message-ID: <20090708162958.GS28046@redhat.com> References: <20090706015511.923596553@localhost.localdomain> <20090706015812.786509491@localhost.localdomain> <20090708125819.GM28046@redhat.com> <20090708131721.GA3382@amt.cnet> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: kvm@vger.kernel.org To: Marcelo Tosatti Return-path: Received: from mx2.redhat.com ([66.187.237.31]:34058 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753532AbZGHQaA (ORCPT ); Wed, 8 Jul 2009 12:30:00 -0400 Received: from int-mx2.corp.redhat.com (int-mx2.corp.redhat.com [172.16.27.26]) by mx2.redhat.com (8.13.8/8.13.8) with ESMTP id n68GU0tA029284 for ; Wed, 8 Jul 2009 12:30:00 -0400 Content-Disposition: inline In-Reply-To: <20090708131721.GA3382@amt.cnet> Sender: kvm-owner@vger.kernel.org List-ID: On Wed, Jul 08, 2009 at 10:17:21AM -0300, Marcelo Tosatti wrote: > (but yes, bypassing the irq injection system its not a very beatiful > shortcut, but its done in other places too eg i8254.c NMI injection via > all cpus LINT0). > I've looked at this. Why do you say i8254.c NMI injection bypass the irq injection system? It look to me like it uses usual way to send interrupt to all cpus. -- Gleb.