Re: [Xen-devel] [PATCH] xen, apic: Setup our own APIC driver and validator for APIC IDs.

2015-03-02 Thread Konrad Rzeszutek Wilk
On Mon, Mar 02, 2015 at 11:24:04AM +, David Vrabel wrote: > On 27/02/15 21:14, Konrad Rzeszutek Wilk wrote: > > Via CPUID masking and the different apic-> overrides we > > effectively make PV guests only but with the default APIC > > driver. That is OK as an PV guest should never access any >

Re: [Xen-devel] [PATCH] xen, apic: Setup our own APIC driver and validator for APIC IDs.

2015-03-02 Thread David Vrabel
On 27/02/15 21:14, Konrad Rzeszutek Wilk wrote: > Via CPUID masking and the different apic-> overrides we > effectively make PV guests only but with the default APIC > driver. That is OK as an PV guest should never access any > APIC registers. However, the APIC is also used to limit the > amount

Re: [Xen-devel] [PATCH] xen, apic: Setup our own APIC driver and validator for APIC IDs.

2015-03-02 Thread Konrad Rzeszutek Wilk
On Mon, Mar 02, 2015 at 11:24:04AM +, David Vrabel wrote: On 27/02/15 21:14, Konrad Rzeszutek Wilk wrote: Via CPUID masking and the different apic- overrides we effectively make PV guests only but with the default APIC driver. That is OK as an PV guest should never access any APIC

Re: [Xen-devel] [PATCH] xen, apic: Setup our own APIC driver and validator for APIC IDs.

2015-03-02 Thread David Vrabel
On 27/02/15 21:14, Konrad Rzeszutek Wilk wrote: Via CPUID masking and the different apic- overrides we effectively make PV guests only but with the default APIC driver. That is OK as an PV guest should never access any APIC registers. However, the APIC is also used to limit the amount of CPUs