diff options
| author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2022-05-25 13:59:47 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-05-25 21:26:35 +0200 |
| commit | aa6bb5fad58d049c6ea97448d4caba4499d60634 (patch) | |
| tree | a8b0cacf9ef47ce0a5e1bacbd26f0c8d776dc6ee /target/i386/kvm/hyperv-proto.h | |
| parent | 9411e8b6faeb1d88d4441c63c5ec072a01b2914e (diff) | |
i386: Hyper-V Support extended GVA ranges for TLB flush hypercalls
KVM kind of supported "extended GVA ranges" (up to 4095 additional GFNs
per hypercall) since the implementation of Hyper-V PV TLB flush feature
(Linux-4.18) as regardless of the request, full TLB flush was always
performed. "Extended GVA ranges for TLB flush hypercalls" feature bit
wasn't exposed then. Now, as KVM gains support for fine-grained TLB
flush handling, exposing this feature starts making sense.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20220525115949.1294004-5-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'target/i386/kvm/hyperv-proto.h')
| -rw-r--r-- | target/i386/kvm/hyperv-proto.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/target/i386/kvm/hyperv-proto.h b/target/i386/kvm/hyperv-proto.h index f5f16474fa..c7854ed6d3 100644 --- a/target/i386/kvm/hyperv-proto.h +++ b/target/i386/kvm/hyperv-proto.h @@ -59,6 +59,7 @@ #define HV_FREQUENCY_MSRS_AVAILABLE (1u << 8) #define HV_GUEST_CRASH_MSR_AVAILABLE (1u << 10) #define HV_FEATURE_DEBUG_MSRS_AVAILABLE (1u << 11) +#define HV_EXT_GVA_RANGES_FLUSH_AVAILABLE (1u << 14) #define HV_STIMER_DIRECT_MODE_AVAILABLE (1u << 19) /* |