Messages in this thread | | | From | KY Srinivasan <> | Subject | RE: [PATCH 1/1] X86: Handle Hyper-V vmbus interrupts as special hypervisor interrupts | Date | Wed, 23 Jan 2013 15:57:32 +0000 |
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> -----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 <konrad.wilk@oracle.com> 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 <kys@microsoft.com> > >> > > --- > >> > > 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. >
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