Make it possible for guests using Hyper-V emulation to do guest->host notification via EVENT_SIGNAL hypercall without a user exit. Roman Kagan (2): x86:kvm:hyperv: factor out kvm.arch.hyperv (de)init x86:kvm:hyperv: guest->host event signaling via eventfd Documentation/virtual/kvm/api.txt | 23 +++++++ arch/x86/include/asm/kvm_host.h | 2 + arch/x86/kvm/hyperv.h | 4 ++ include/uapi/linux/kvm.h | 13 ++++ arch/x86/kvm/hyperv.c | 124 +++++++++++++++++++++++++++++++++++++- arch/x86/kvm/x86.c | 14 ++++- 6 files changed, 178 insertions(+), 2 deletions(-) -- 2.14.3
