>>> On 19.06.15 at 20:44, <boris.ostrov...@oracle.com> wrote: > Add support for handling PMU interrupts for PV(H) guests. > > VPMU for the interrupted VCPU is unloaded until the guest issues > XENPMU_flush > hypercall. This allows the guest to access PMU MSR values that are stored in > VPMU context which is shared between hypervisor and domain, thus avoiding > traps to hypervisor. > > Since the interrupt handler may now force VPMU context save (i.e. set > VPMU_CONTEXT_SAVE flag) we need to make changes to amd_vpmu_save() which > until now expected this flag to be set only when the counters were stopped. > > Signed-off-by: Boris Ostrovsky <boris.ostrov...@oracle.com> > Acked-by: Daniel De Graaf <dgde...@tycho.nsa.gov> > Acked-by: Kevin Tian <kevin.t...@intel.com>
Acked-by: Jan Beulich <jbeul...@suse.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
