From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754930Ab0JFSsa (ORCPT ); Wed, 6 Oct 2010 14:48:30 -0400 Received: from www.tglx.de ([62.245.132.106]:52904 "EHLO www.tglx.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754576Ab0JFSs3 (ORCPT ); Wed, 6 Oct 2010 14:48:29 -0400 Date: Wed, 6 Oct 2010 20:48:07 +0200 (CEST) From: Thomas Gleixner To: "H. Peter Anvin" cc: Stefano Stabellini , x86@kernel.org, linux-kernel@vger.kernel.org, xen-devel@lists.xensource.com, "jeremy@goop.org" , "konrad.wilk@oracle.com" Subject: Re: [PATCH 4/7] acpi: use indirect call to register gsi in different modes In-Reply-To: <4CACB257.7060705@zytor.com> Message-ID: References: <1283167276-7364-4-git-send-email-stefano.stabellini@eu.citrix.com> <4CACB257.7060705@zytor.com> User-Agent: Alpine 2.00 (LFD 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 6 Oct 2010, H. Peter Anvin wrote: > On 10/06/2010 10:00 AM, Stefano Stabellini wrote: > > Peter, > > I sent this patch a while back as part of the "PV on HVM: receive > > interrupts as xen events" series (that it is based upon Konrad's > > pcifront series, he sent another version to the list yesterday). > > > > Do you think that this is a reasonble approach? > > > > If you want to give a look at the whole series you can find it here: > > > > http://lkml.org/lkml/2010/8/30/170 > > > > everything else is Xen specific stuff. > > > > Thanks in advance, > > > > On the surface it seems reasonable. > > Thomas Gleixner has been working on greatly revamping a bunch of the x86 > interrupt code, and this might interact with his stuff, so it would be > good if he could comment on it. > > [tglx: what they're apparently working on is to redirect APIC interrupts > to Xen event channels so they don't have to interact with the simulated > memory-mapped APIC. It's "paravirtualization light".] I'm not touching acpi code. So that should be ok. Thanks, tglx