Re: [Xen-devel] [RFC PATCH 5/9] x86/HVM/SVM: Add AVIC initialization code

[Suravee Suthikulpanit <Suravee.Suthikulpanit@xxxxxxx>]

Konrad,

On 10/12/16 15:02, Konrad Rzeszutek Wilk wrote:
> > +
> > > +/* NOTE: Current max index allowed for physical APIC ID table is 255 */
> > > +#define AVIC_PHY_APIC_ID_MAX    0xFF
> > > +
> > > +#define AVIC_DOORBELL           0xc001011b
> > > +#define AVIC_HPA_MASK           ~((0xFFFULL << 52) || 0xFFF)
> > > +#define AVIC_APIC_BAR_MASK      0xFFFFFFFFFF000ULL
> > > +
> > > +bool_t svm_avic = 0;
> > > +boolean_param("svm-avic", svm_avic);
> Why do you want to have it disabled by default?
svm-avic has not yet fully supported with nested virtualization yet. So, 
I didn't want to enable this by default. However, when everything is 
stable, I am planning to enable this by default.
Thanks,
Suravee

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