Re: [KVM timekeeping 30/35] IOCTL for setting TSC rate

2010-08-21 Thread Arnd Bergmann
On Friday 20 August 2010 19:56:20 Glauber Costa wrote: @@ -675,6 +676,9 @@ struct kvm_clock_data { #define KVM_SET_PIT2 _IOW(KVMIO, 0xa0, struct kvm_pit_state2) /* Available with KVM_CAP_PPC_GET_PVINFO */ #define KVM_PPC_GET_PVINFO _IOW(KVMIO, 0xa1, struct

[KVM timekeeping 30/35] IOCTL for setting TSC rate

2010-08-20 Thread Zachary Amsden
Add an IOCTL for setting the TSC rate for a VM, intended to be used to migrate non-kvmclock based VMs which rely on TSC rate staying stable across host migration. Signed-off-by: Zachary Amsden zams...@redhat.com --- arch/x86/kvm/x86.c | 36

Re: [KVM timekeeping 30/35] IOCTL for setting TSC rate

2010-08-20 Thread Glauber Costa
On Thu, Aug 19, 2010 at 10:07:44PM -1000, Zachary Amsden wrote: Add an IOCTL for setting the TSC rate for a VM, intended to be used to migrate non-kvmclock based VMs which rely on TSC rate staying stable across host migration. Signed-off-by: Zachary Amsden zams...@redhat.com ---