Re: [Qemu-devel] [PATCH] kvm: migrate vPMU state

2013-07-25 Thread Andreas Färber
Am 25.07.2013 16:46, schrieb Andreas Färber: > Am 25.07.2013 12:14, schrieb Gleb Natapov: >> On Wed, Jul 24, 2013 at 05:01:15PM +0200, Andreas Färber wrote: >>> New msr_* fields would be candidates for X86CPU, but there's already one >>> in CPUX86State. :/ >>> >> Is this NAK? > > No, it was more a

Re: [Qemu-devel] [PATCH] kvm: migrate vPMU state

2013-07-25 Thread Andreas Färber
Am 25.07.2013 12:14, schrieb Gleb Natapov: > On Wed, Jul 24, 2013 at 05:01:15PM +0200, Andreas Färber wrote: >> Am 24.07.2013 16:37, schrieb Paolo Bonzini: >>> This requires kernel 3.10 but it is otherwise quite simple to do. >>> The kernel pays attention to MSRs writes that are host initiated, and

Re: [Qemu-devel] [PATCH] kvm: migrate vPMU state

2013-07-25 Thread Paolo Bonzini
Il 25/07/2013 12:14, Gleb Natapov ha scritto: > On Wed, Jul 24, 2013 at 05:01:15PM +0200, Andreas Färber wrote: >> Am 24.07.2013 16:37, schrieb Paolo Bonzini: >>> This requires kernel 3.10 but it is otherwise quite simple to do. >>> The kernel pays attention to MSRs writes that are host initiated,

Re: [Qemu-devel] [PATCH] kvm: migrate vPMU state

2013-07-25 Thread Gleb Natapov
On Wed, Jul 24, 2013 at 05:01:15PM +0200, Andreas Färber wrote: > Am 24.07.2013 16:37, schrieb Paolo Bonzini: > > This requires kernel 3.10 but it is otherwise quite simple to do. > > The kernel pays attention to MSRs writes that are host initiated, and > > disables all side effects of the PMU regi

Re: [Qemu-devel] [PATCH] kvm: migrate vPMU state

2013-07-24 Thread Andreas Färber
Am 24.07.2013 16:37, schrieb Paolo Bonzini: > This requires kernel 3.10 but it is otherwise quite simple to do. > The kernel pays attention to MSRs writes that are host initiated, and > disables all side effects of the PMU registers (e.g. the global status > MSR can be written and global overflow c