From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752901Ab3AVWVp (ORCPT ); Tue, 22 Jan 2013 17:21:45 -0500 Received: from userp1040.oracle.com ([156.151.31.81]:18241 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752472Ab3AVWVn (ORCPT ); Tue, 22 Jan 2013 17:21:43 -0500 Date: Tue, 22 Jan 2013 17:20:56 -0500 From: Konrad Rzeszutek Wilk To: KY Srinivasan Cc: Borislav Petkov , "gregkh@linuxfoundation.org" , "linux-kernel@vger.kernel.org" , "devel@linuxdriverproject.org" , "olaf@aepfle.de" , "apw@canonical.com" , "jasowang@redhat.com" , "tglx@linutronix.de" , "H. Peter Anvin" , Ingo Molnar , "jeremy@goop.org" , "Jan Beulich (JBeulich@suse.com)" Subject: Re: [PATCH 1/1] X86: Handle Hyper-V vmbus interrupts as special hypervisor interrupts Message-ID: <20130122222056.GC14503@phenom.dumpdata.com> References: <1358469577-8794-1-git-send-email-kys@microsoft.com> <20130118131056.GA14550@pd.tnic> <794a590acf1a47408a87e95f095e6b1b@SN2PR03MB061.namprd03.prod.outlook.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <794a590acf1a47408a87e95f095e6b1b@SN2PR03MB061.namprd03.prod.outlook.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Source-IP: ucsinet22.oracle.com [156.151.31.94] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jan 18, 2013 at 03:27:33PM +0000, KY Srinivasan wrote: > > > > -----Original Message----- > > From: Borislav Petkov [mailto:bp@alien8.de] > > Sent: Friday, January 18, 2013 8:11 AM > > To: KY Srinivasan > > Cc: gregkh@linuxfoundation.org; linux-kernel@vger.kernel.org; > > devel@linuxdriverproject.org; olaf@aepfle.de; apw@canonical.com; > > jasowang@redhat.com; tglx@linutronix.de; H. Peter Anvin; Ingo Molnar > > Subject: Re: [PATCH 1/1] X86: Handle Hyper-V vmbus interrupts as special > > hypervisor interrupts > > > > On Thu, Jan 17, 2013 at 04:39:37PM -0800, K. Y. Srinivasan wrote: > > > > > > Signed-off-by: K. Y. Srinivasan > > > --- > > > arch/x86/include/asm/irq_vectors.h | 2 + > > > arch/x86/include/asm/mshyperv.h | 4 +++ > > > arch/x86/kernel/cpu/mshyperv.c | 39 > > ++++++++++++++++++++++++++++++++++++ > > > arch/x86/kernel/entry_32.S | 7 ++++++ > > > arch/x86/kernel/entry_64.S | 5 ++++ > > > 5 files changed, 57 insertions(+), 0 deletions(-) > > > > > > diff --git a/arch/x86/include/asm/irq_vectors.h > > b/arch/x86/include/asm/irq_vectors.h > > > index 1508e51..c2ff239 100644 > > > --- a/arch/x86/include/asm/irq_vectors.h > > > +++ b/arch/x86/include/asm/irq_vectors.h > > > @@ -112,6 +112,8 @@ > > > /* Xen vector callback to receive events in a HVM domain */ > > > #define XEN_HVM_EVTCHN_CALLBACK 0xf3 > > > > > > +/* Hyper-V vector callback to receive vmbus interrupts*/ > > > +#define HYPER_V_CALLBACK_VECTOR 0xf2 > > > > Btw, could those hypervisor vectors be merged into one VIRT_INTR_VECTOR > > and be shared between the hypervisors? I mean, you can't have a xen and > > hyperv hypervisor running next to each other and fihgting over that > > vector, right? > > You are right; we could just have one vector for this. Let me wait for other comments and > input from Xen maintainers before I make this change. > > Regards, > Looks OK to me. > K. Y > > > > -- > > Regards/Gruss, > > Boris. > > > > Sent from a fat crate under my desk. Formatting is fine. > > -- > > >