Re: [Xen-devel] [RFC PATCH 8/9] x86/SVM: Add interrupt management code via AVIC

2016-12-22 Thread Jan Beulich
>>> On 19.09.16 at 07:52, wrote: > Also, the AVIC hardware automatically synchronizes TPR and CR8/vTPR, when > values are updated. Therefore, xen does not need to handle this when enable > AVIC. I'm having trouble matching this up with ... > --- a/xen/arch/x86/hvm/svm/vmcb.c > +++ b/xen/arch/x86

Re: [Xen-devel] [RFC PATCH 8/9] x86/SVM: Add interrupt management code via AVIC

2016-10-14 Thread Konrad Rzeszutek Wilk
On Mon, Sep 19, 2016 at 12:52:47AM -0500, Suravee Suthikulpanit wrote: > Enabling AVIC implicitly disables the V_IRQ, V_INTR_PRIO, V_IGN_TPR, > and V_INTR_VECTOR fields in the VMCB Control Word. Therefore, this patch > introduces new interrupt injection code via AVIC backing page. > > Also, the AV