diff --git a/arch/x86/include/asm/hyperv-tlfs.h b/arch/x86/include/asm/hyperv-tlfs.h index c5e0e5a06c0dcc639c8e5826450c741576b56f9d..6639979302ab70258403501fc6320e585dc10751 100644 --- a/arch/x86/include/asm/hyperv-tlfs.h +++ b/arch/x86/include/asm/hyperv-tlfs.h @@ -61,6 +61,8 @@ #define HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE BIT(10) /* Support for debug MSRs available */ #define HV_FEATURE_DEBUG_MSRS_AVAILABLE BIT(11) +/* Support for extended gva ranges for flush hypercalls available */ +#define HV_FEATURE_EXT_GVA_RANGES_FLUSH BIT(14) /* * Support for returning hypercall output block via XMM * registers is available diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c index 6868c478617c0d3ce3cad532109a8f7c060f0509..fca9c51891f5f6e6b4e55a42a9d21a701bd8bbe6 100644 --- a/arch/x86/kvm/hyperv.c +++ b/arch/x86/kvm/hyperv.c @@ -2641,6 +2641,7 @@ int kvm_get_hv_cpuid(struct kvm_vcpu *vcpu, struct kvm_cpuid2 *cpuid, ent->ebx |= HV_DEBUGGING; ent->edx |= HV_X64_GUEST_DEBUGGING_AVAILABLE; ent->edx |= HV_FEATURE_DEBUG_MSRS_AVAILABLE; + ent->edx |= HV_FEATURE_EXT_GVA_RANGES_FLUSH; /* * Direct Synthetic timers only make sense with in-kernel