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SubjectRE: [PATCH RESEND 1/1] X86: Handle Hyper-V vmbus interrupts as special hypervisor interrupts
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> -----Original Message-----
> From: Olaf Hering [mailto:olaf@aepfle.de]
> Sent: Thursday, January 24, 2013 2:00 PM
> To: KY Srinivasan
> Cc: Jan Beulich; bp@alien8.de; apw@canonical.com; x86@kernel.org;
> tglx@linutronix.de; devel@linuxdriverproject.org; gregkh@linuxfoundation.org;
> jasowang@redhat.com; linux-kernel@vger.kernel.org; hpa@zytor.com
> Subject: Re: [PATCH RESEND 1/1] X86: Handle Hyper-V vmbus interrupts as
> special hypervisor interrupts
>
> On Thu, Jan 24, KY Srinivasan wrote:
>
>
> > > Question is - considering you stated that this is supported
> > > starting in Win8, doesn't Hyper-V itself announce that
> > > capability in some explicit way?
> >
> > Thanks Jan. Unfortunately I don't think tis interrupt delivery model
> > is specified via a "feature" bit (I will check with the Windows guys).
> > Perhaps, we can have a Hyper-V specific compilation switch to address
> > the Xen emulation issue.
>
> Would that really help if both pvops XEN_PVHVM and HYPERV are enabled in
> the config? I assume at this point the access to the DMI data is not yet
> possible.

I was under the impression that only Dom0 Xen would emulate Hyper-V.


K. Y
>
> Olaf
>

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