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SubjectRe: [PATCH 1/1] X86: Handle Hyper-V vmbus interrupts as special hypervisor interrupts
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Yes, how about we rename this the hypervisor vector...

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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