Re: [Xen-devel] [RFC PATCH 0/9] Introduce AMD SVM AVIC

[Suravee Suthikulpanit <Suravee.Suthikulpanit@xxxxxxx>]

On 9/19/16 20:09, Konrad Rzeszutek Wilk wrote:
> On Mon, Sep 19, 2016 at 12:52:39AM -0500, Suravee Suthikulpanit wrote:
> > GITHUB
> > ======
> > Latest git tree can be found at:
> >     http://github.com/ssuthiku/xen.git    xen_avic_part1_v1
> >
> > OVERVIEW
> > ========
> > This patch set is the first of the two-part patch series to introduce
> > the new AMD Advance Virtual Interrupt Controller (AVIC) support.
> >
> > Basically, SVM AVIC hardware virtualizes local APIC registers of each
> > vCPU via the virtual APIC (vAPIC) backing page. This allows guest access
> > to certain APIC registers without the need to emulate the hardware behavior
> > in the hypervisor. More information about AVIC can be found in the
> > AMD64 Architecture Programmer’s Manual Volume 2 - System Programming.
> >
> >   http://support.amd.com/TechDocs/24593.pdf
> >
> > For SVM AVIC, we extend the existing kvm_amd driver to:
> kvm_amd ?, heheh
Ooops. hehehe
> .. snip..
> > Note: In "w/o evtchn" case, the Linux guest is built w/o
> >       Xen guest support.
> You can also just boot Linux with 'xen_nopv' parameter which would
> do the same thing.
Ok, Thanks for the tips.

Suravee

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