diff options
| author |  Vitaly Kuznetsov <vkuznets@redhat.com>
| 2023-12-05 11:36:21 +0100 |
|---|---|---|
| committer |  Sean Christopherson <seanjc@google.com>
| 2023-12-07 09:34:23 -0800 |
| commit | af9d544a452114eb54638015544b884e1befd0fb (patch) | |
| tree | 40a015e47d14904558536bc001aefcfbdfc2ccbf /arch/x86/kvm/svm | |
| parent | KVM: VMX: Split off hyperv_evmcs.{ch} (diff) | |
| download | linux-af9d544a452114eb54638015544b884e1befd0fb.tar.gz linux-af9d544a452114eb54638015544b884e1befd0fb.tar.bz2 linux-af9d544a452114eb54638015544b884e1befd0fb.zip | |
KVM: x86: Introduce helper to handle Hyper-V paravirt TLB flush requests
As a preparation to making Hyper-V emulation optional, introduce a helper
to handle pending KVM_REQ_HV_TLB_FLUSH requests.
No functional change intended.
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Tested-by: Jeremi Piotrowski <jpiotrowski@linux.microsoft.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Link: https://lore.kernel.org/r/20231205103630.1391318-8-vkuznets@redhat.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'arch/x86/kvm/svm')
| -rw-r--r-- | arch/x86/kvm/svm/nested.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c index 3fea8c47679e..74c04102ef01 100644 --- a/arch/x86/kvm/svm/nested.c +++ b/arch/x86/kvm/svm/nested.c @@ -487,14 +487,8 @@ static void nested_save_pending_event_to_vmcb12(struct vcpu_svm *svm, static void nested_svm_transition_tlb_flush(struct kvm_vcpu *vcpu) { - /* - * KVM_REQ_HV_TLB_FLUSH flushes entries from either L1's VP_ID or - * L2's VP_ID upon request from the guest. Make sure we check for - * pending entries in the right FIFO upon L1/L2 transition as these - * requests are put by other vCPUs asynchronously. - */ - if (to_hv_vcpu(vcpu) && npt_enabled) - kvm_make_request(KVM_REQ_HV_TLB_FLUSH, vcpu); + /* Handle pending Hyper-V TLB flush requests */ + kvm_hv_nested_transtion_tlb_flush(vcpu, npt_enabled); /* * TODO: optimize unconditional TLB flush/MMU sync. A partial list of |