diff options
| author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2020-03-25 19:28:24 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-04-21 16:12:48 +0300 |
| commit | 0baedd792713063213f1e2060dc6a5d536638f0a (patch) | |
| tree | 3d300c08b9c97fefe98d823e8d9477832a143100 /arch/x86/kvm/hyperv.c | |
| parent | e64419d991ea212af087d3c57fcabb4d27db03fc (diff) | |
| download | linux-0baedd792713063213f1e2060dc6a5d536638f0a.tar.xz | |
KVM: x86: make Hyper-V PV TLB flush use tlb_flush_guest()
Hyper-V PV TLB flush mechanism does TLB flush on behalf of the guest
so doing tlb_flush_all() is an overkill, switch to using tlb_flush_guest()
(just like KVM PV TLB flush mechanism) instead. Introduce
KVM_REQ_HV_TLB_FLUSH to support the change.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/hyperv.c')
| -rw-r--r-- | arch/x86/kvm/hyperv.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c index bcefa9d4e57e..b850f676abe4 100644 --- a/arch/x86/kvm/hyperv.c +++ b/arch/x86/kvm/hyperv.c @@ -1425,8 +1425,7 @@ static u64 kvm_hv_flush_tlb(struct kvm_vcpu *current_vcpu, u64 ingpa, * vcpu->arch.cr3 may not be up-to-date for running vCPUs so we can't * analyze it here, flush TLB regardless of the specified address space. */ - kvm_make_vcpus_request_mask(kvm, - KVM_REQ_TLB_FLUSH | KVM_REQUEST_NO_WAKEUP, + kvm_make_vcpus_request_mask(kvm, KVM_REQ_HV_TLB_FLUSH, vcpu_mask, &hv_vcpu->tlb_flush); ret_success: |