From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756108Ab3AWP7u (ORCPT ); Wed, 23 Jan 2013 10:59:50 -0500 Received: from na01-bl2-obe.ptr.protection.outlook.com ([65.55.169.29]:33208 "EHLO na01-bl2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754872Ab3AWP7s (ORCPT ); Wed, 23 Jan 2013 10:59:48 -0500 X-Forefront-Antispam-Report-Untrusted: CIP:157.56.240.21;KIP:(null);UIP:(null);(null);H:BL2PRD0310HT005.namprd03.prod.outlook.com;R:internal;EFV:INT X-SpamScore: -2 X-BigFish: PS-2(zz98dI9371I542I1432Izz1ee6h1de0h1202h1e76h1d1ah1d2ahzz8275bhz31h2a8h668h839h93fhd24hf0ah1288h12a5h12a9h12bdh137ah13b6h1441h1504h1537h153bh162dh1631h1758h18e1h9a9j1155h) X-Forefront-Antispam-Report-Untrusted: SFV:SKI;SFS:;DIR:OUT;SFP:;SCL:-1;SRVR:SN2PR03MB062;H:SN2PR03MB061.namprd03.prod.outlook.com;LANG:en; From: KY Srinivasan To: "H. Peter Anvin" , Konrad Rzeszutek Wilk 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" , 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 Thread-Topic: [PATCH 1/1] X86: Handle Hyper-V vmbus interrupts as special hypervisor interrupts Thread-Index: AQHN9RC9go3bU96kuUWjPmeK6MjrpZhPEF4AgAAlFpCABr3pAIAAEGWAgAEWrLA= Date: Wed, 23 Jan 2013 15:57:32 +0000 Message-ID: References: <1358469577-8794-1-git-send-email-kys@microsoft.com> <20130118131056.GA14550@pd.tnic> <794a590acf1a47408a87e95f095e6b1b@SN2PR03MB061.namprd03.prod.outlook.com> <20130122222056.GC14503@phenom.dumpdata.com> <2bd8c994-3e70-413b-85de-caec46428b1e@email.android.com> In-Reply-To: <2bd8c994-3e70-413b-85de-caec46428b1e@email.android.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.255.124.4] Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 X-OrganizationHeadersPreserved: SN2PR03MB062.namprd03.prod.outlook.com X-FOPE-CONNECTOR: Id%0$Dn%*$RO%0$TLS%0$FQDN%$TlsDn% X-FOPE-CONNECTOR: Id%59$Dn%LINUTRONIX.DE$RO%2$TLS%6$FQDN%131.107.125.5$TlsDn% X-FOPE-CONNECTOR: Id%59$Dn%REDHAT.COM$RO%2$TLS%6$FQDN%131.107.125.5$TlsDn% X-FOPE-CONNECTOR: Id%59$Dn%CANONICAL.COM$RO%2$TLS%6$FQDN%131.107.125.5$TlsDn% X-FOPE-CONNECTOR: Id%59$Dn%SUSE.COM$RO%2$TLS%6$FQDN%131.107.125.5$TlsDn% X-FOPE-CONNECTOR: Id%59$Dn%GOOP.ORG$RO%2$TLS%6$FQDN%131.107.125.5$TlsDn% X-FOPE-CONNECTOR: Id%59$Dn%KERNEL.ORG$RO%2$TLS%6$FQDN%131.107.125.5$TlsDn% X-FOPE-CONNECTOR: Id%59$Dn%AEPFLE.DE$RO%2$TLS%6$FQDN%131.107.125.5$TlsDn% X-FOPE-CONNECTOR: Id%59$Dn%ALIEN8.DE$RO%2$TLS%6$FQDN%131.107.125.5$TlsDn% X-FOPE-CONNECTOR: Id%59$Dn%ORACLE.COM$RO%2$TLS%6$FQDN%131.107.125.5$TlsDn% X-FOPE-CONNECTOR: Id%59$Dn%ZYTOR.COM$RO%2$TLS%6$FQDN%131.107.125.5$TlsDn% X-FOPE-CONNECTOR: Id%59$Dn%LINUXDRIVERPROJECT.ORG$RO%2$TLS%6$FQDN%131.107.125.5$TlsDn% X-FOPE-CONNECTOR: Id%59$Dn%VGER.KERNEL.ORG$RO%2$TLS%6$FQDN%131.107.125.5$TlsDn% X-FOPE-CONNECTOR: Id%59$Dn%LINUXFOUNDATION.ORG$RO%2$TLS%6$FQDN%131.107.125.5$TlsDn% X-CrossPremisesHeadersPromoted: TK5EX14HUBC104.redmond.corp.microsoft.com X-CrossPremisesHeadersFiltered: TK5EX14HUBC104.redmond.corp.microsoft.com X-Forefront-Antispam-Report: CIP:131.107.125.37;CTRY:US;IPV:CAL;IPV:NLI;EFV:NLI;SFV:NSPM;SFS:(377454001)(51704002)(24454001)(13464002)(44976002)(74662001)(31966008)(4396001)(47776002)(47446002)(51856001)(74502001)(23676001)(59766001)(56816002)(79102001)(77982001)(46102001)(5343635001)(56776001)(6806001)(33646001)(47976001)(54356001)(53806001)(50466001)(50986001)(76482001)(54316002)(16676001)(49866001)(47736001)(6816006)(24736002);DIR:OUT;SFP:;SCL:1;SRVR:BY2FFO11HUB023;H:TK5EX14HUBC104.redmond.corp.microsoft.com;LANG:en; X-OriginatorOrg: microsoft.onmicrosoft.com X-Forefront-PRVS: 073515755F Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by mail.home.local id r0NFxq78004834 > -----Original Message----- > From: H. Peter Anvin [mailto:hpa@zytor.com] > Sent: Tuesday, January 22, 2013 6:20 PM > To: Konrad Rzeszutek Wilk; 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; 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 > > Yes, how about we rename this the hypervisor vector... Will do. K. Y > > Konrad Rzeszutek Wilk wrote: > > >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. > >> > -- > >> > > >> > > -- > Sent from my Android phone with K-9 Mail. Please excuse my brevity. > {.n++%ݶw{.n+{G{ayʇڙ,jfhz_(階ݢj"mG?&~iOzv^m ?I