Re: [Xen-devel] [PATCH v4 01/14] xen/x86: remove XENFEAT_hvm_pirqs for PVHv2 guests

2016-12-16 Thread Roger Pau Monne
On Thu, Dec 08, 2016 at 09:21:23AM -0700, Jan Beulich wrote: > >>> On 30.11.16 at 17:49, wrote: > > --- a/docs/misc/hvmlite.markdown > > +++ b/docs/misc/hvmlite.markdown > > @@ -75,3 +75,23 @@ info structure that's passed at boot time (field > > rsdp_paddr). > > > > Description of paravirtuali

Re: [Xen-devel] [PATCH v4 01/14] xen/x86: remove XENFEAT_hvm_pirqs for PVHv2 guests

2016-12-08 Thread Jan Beulich
>>> On 30.11.16 at 17:49, wrote: > --- a/docs/misc/hvmlite.markdown > +++ b/docs/misc/hvmlite.markdown > @@ -75,3 +75,23 @@ info structure that's passed at boot time (field > rsdp_paddr). > > Description of paravirtualized devices will come from XenStore, just as it's > done for HVM guests. >

[Xen-devel] [PATCH v4 01/14] xen/x86: remove XENFEAT_hvm_pirqs for PVHv2 guests

2016-11-30 Thread Roger Pau Monne
PVHv2 guests, unlike HVM guests, won't have the option to route interrupts from physical or emulated devices over event channels using PIRQs. This applies to both DomU and Dom0 PVHv2 guests. Introduce a new XEN_X86_EMU_USE_PIRQ to notify Xen whether a HVM guest can route physical interrupts (even