Re: [PATCH v4 0/5] KVM: x86: hyperv: PV IPI support for Windows guests

2018-07-23 Thread Vitaly Kuznetsov
Vitaly Kuznetsov writes: > Changes since v3 [Roman Kagan]: > - Don't use vcpu_id in kvm_make_vcpus_request_mask to avoid dealing with > sparse CPU masks. > - Create get_vcpu_idx_by_vpidx() and use it in get_vcpu_by_vpidx() and > kvm_hv_flush_tlb(). > > Using hypercall for sending IPIs is fast

[PATCH v4 0/5] KVM: x86: hyperv: PV IPI support for Windows guests

2018-07-03 Thread Vitaly Kuznetsov
Changes since v3 [Roman Kagan]: - Don't use vcpu_id in kvm_make_vcpus_request_mask to avoid dealing with sparse CPU masks. - Create get_vcpu_idx_by_vpidx() and use it in get_vcpu_by_vpidx() and kvm_hv_flush_tlb(). Using hypercall for sending IPIs is faster because this allows to specify any nu