Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759975AbZIPUZb (ORCPT ); Wed, 16 Sep 2009 16:25:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759967AbZIPUZ3 (ORCPT ); Wed, 16 Sep 2009 16:25:29 -0400 Received: from claw.goop.org ([74.207.240.146]:41506 "EHLO claw.goop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759965AbZIPUZ1 (ORCPT ); Wed, 16 Sep 2009 16:25:27 -0400 Message-ID: <4AB149BA.1000106@goop.org> Date: Wed, 16 Sep 2009 13:25:30 -0700 From: Jeremy Fitzhardinge User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.1) Gecko/20090814 Fedora/3.0-2.6.b3.fc11 Lightning/1.0pre Thunderbird/3.0b3 MIME-Version: 1.0 To: Sheng Yang CC: Keir Fraser , Jeremy Fitzhardinge , xen-devel , Eddie Dong , linux-kernel@vger.kernel.org, Jun Nakajima Subject: Re: [Xen-devel] [RFC][PATCH 07/10] xen/hybrid: Add PV timer support References: <1253090551-7969-1-git-send-email-sheng@linux.intel.com> <1253090551-7969-8-git-send-email-sheng@linux.intel.com> In-Reply-To: <1253090551-7969-8-git-send-email-sheng@linux.intel.com> X-Enigmail-Version: 0.97a Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 577 Lines: 15 On 09/16/09 01:42, Sheng Yang wrote: > If we have event channel, we can use VIRQ_TIMER to deliver timer interrupt, > otherwise we would reuse IRQ0. > What's the purpose of this? Why can we get a timer virq via event channel as usual? I'm very dubious about having any platform interrupts/apic interaction in this code. J -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/