Changes since v4:
- Adjust KVM_CAP_HYPERV_SEND_IPI's number [158]
- Add Roman's Reviewed-bys
Using hypercall for sending IPIs is faster because this allows to specify
any number of vCPUs (even > 64 with sparse CPU set), the whole procedure
will take only one VMEXIT.
Same as PV TLB flush, this allows Windows guests having > 64 vCPUs to boot
on KVM when Hyper-V extensions are enabled.
Vitaly Kuznetsov (5):
KVM: x86: hyperv: enforce vp_index < KVM_MAX_VCPUS
KVM: x86: hyperv: optimize 'all cpus' case in kvm_hv_flush_tlb()
KVM: x86: hyperv: use get_vcpu_by_vpidx() in kvm_hv_flush_tlb()
x86/hyper-v: rename ipi_arg_{ex,non_ex} structures
KVM: x86: hyperv: implement PV IPI send hypercalls
Documentation/virtual/kvm/api.txt | 8 ++
arch/x86/hyperv/hv_apic.c | 12 +--
arch/x86/include/asm/hyperv-tlfs.h | 16 +--
arch/x86/kvm/hyperv.c | 211 +++++++++++++++++++++++++++----------
arch/x86/kvm/trace.h | 42 ++++++++
arch/x86/kvm/x86.c | 1 +
include/uapi/linux/kvm.h | 1 +
virt/kvm/kvm_main.c | 6 +-
8 files changed, 224 insertions(+), 73 deletions(-)
--
2.14.4
