HYPER-V provides PV capabilities for its guests and most new MS Windows detect and use them automatically. Older Windows guests need additional drivers to uses PV. This patch series implements some PV capabilities defined by HYPER-V spec for KVM. Windows guests running on KVM will be able to take advantage of them. Changelog: v1->v2 rename kvm_hyperv.h into hyperv.h and move into separate patch minor style fixes use clear_user-page(0 to zero userspace page use APIC register names when calling kvm_hv_vapic_msr_(read|write)() v2->v3 fix msrs_to_save[] handling fix access to guests memory use kvm_read_cr0_bits() instead of direct access to cr0 Gleb Natapov (4): Add HYPE-V header file. Implement bare minimum of HYPER-V MSRs. Add HYPER-V apic access MSRs. Implement NotifyLongSpinWait HYPER-V hypercall. arch/x86/include/asm/hyperv.h | 187 +++++++++++++++++++++++++++++++ arch/x86/include/asm/kvm_host.h | 6 + arch/x86/include/asm/kvm_para.h | 1 + arch/x86/kvm/lapic.c | 31 +++++ arch/x86/kvm/lapic.h | 8 ++ arch/x86/kvm/trace.h | 32 ++++++ arch/x86/kvm/x86.c | 232 ++++++++++++++++++++++++++++++++++++++- include/linux/kvm.h | 3 + 8 files changed, 499 insertions(+), 1 deletions(-) create mode 100644 arch/x86/include/asm/hyperv.h -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
