Re: [RFC PATCH] arm64: KVM: Allow userspace to configure guest MPIDR_EL1

2016-04-21 Thread Ashok Kumar
On Thu, Apr 21, 2016 at 11:56:03AM +0200, Andrew Jones wrote: > On Thu, Apr 21, 2016 at 10:25:24AM +0100, Marc Zyngier wrote: > > Hey Andrew, > > > > On 21/04/16 08:04, Andrew Jones wrote: > > > On Wed, Apr 20, 2016 at 06:33:54PM +0100, Marc Zyngier wrote: > > >> On Wed, 20 Apr 2016 07:08:39

Re: [RFC PATCH] arm64: KVM: Allow userspace to configure guest MPIDR_EL1

2016-04-21 Thread Andrew Jones
On Thu, Apr 21, 2016 at 10:25:24AM +0100, Marc Zyngier wrote: > Hey Andrew, > > On 21/04/16 08:04, Andrew Jones wrote: > > On Wed, Apr 20, 2016 at 06:33:54PM +0100, Marc Zyngier wrote: > >> On Wed, 20 Apr 2016 07:08:39 -0700 > >> Ashok Kumar wrote: > >> > >>> For guests with

Re: [RFC PATCH] arm64: KVM: Allow userspace to configure guest MPIDR_EL1

2016-04-21 Thread Marc Zyngier
Hey Andrew, On 21/04/16 08:04, Andrew Jones wrote: > On Wed, Apr 20, 2016 at 06:33:54PM +0100, Marc Zyngier wrote: >> On Wed, 20 Apr 2016 07:08:39 -0700 >> Ashok Kumar wrote: >> >>> For guests with NUMA configuration, Node ID needs to >>> be recorded in the respective

Re: [RFC PATCH] arm64: KVM: Allow userspace to configure guest MPIDR_EL1

2016-04-21 Thread Andrew Jones
On Wed, Apr 20, 2016 at 06:33:54PM +0100, Marc Zyngier wrote: > On Wed, 20 Apr 2016 07:08:39 -0700 > Ashok Kumar wrote: > > > For guests with NUMA configuration, Node ID needs to > > be recorded in the respective affinity byte of MPIDR_EL1. > > As others have said before,

Re: [RFC PATCH] arm64: KVM: Allow userspace to configure guest MPIDR_EL1

2016-04-20 Thread Marc Zyngier
On Wed, 20 Apr 2016 07:08:39 -0700 Ashok Kumar wrote: > For guests with NUMA configuration, Node ID needs to > be recorded in the respective affinity byte of MPIDR_EL1. As others have said before, the mapping between the NUMA hierarchy and MPIDR_EL1 are completely