aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/arch/x86/kvm/svm/hyperv.c
diff options
context:
space:
mode:
authorVitaly Kuznetsov <vkuznets@redhat.com>2022-11-01 15:53:59 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2022-11-18 12:59:13 -0500
commitb0c9c25e46252a576a974dd659f2396774e0dbb1 (patch)
treebace7b75efc324c3c1ddcac28ace62868e3d4534 /arch/x86/kvm/svm/hyperv.c
parentKVM: nSVM: Keep track of Hyper-V hv_vm_id/hv_vp_id (diff)
downloadwireguard-linux-b0c9c25e46252a576a974dd659f2396774e0dbb1.tar.xz
wireguard-linux-b0c9c25e46252a576a974dd659f2396774e0dbb1.zip
KVM: x86: Introduce .hv_inject_synthetic_vmexit_post_tlb_flush() nested hook
Hyper-V supports injecting synthetic L2->L1 exit after performing L2 TLB flush operation but the procedure is vendor specific. Introduce .hv_inject_synthetic_vmexit_post_tlb_flush nested hook for it. Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com> Reviewed-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20221101145426.251680-22-vkuznets@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/svm/hyperv.c')
-rw-r--r--arch/x86/kvm/svm/hyperv.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm/hyperv.c b/arch/x86/kvm/svm/hyperv.c
new file mode 100644
index 000000000000..911f51021af1
--- /dev/null
+++ b/arch/x86/kvm/svm/hyperv.c
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * AMD SVM specific code for Hyper-V on KVM.
+ *
+ * Copyright 2022 Red Hat, Inc. and/or its affiliates.
+ */
+#include "hyperv.h"
+
+void svm_hv_inject_synthetic_vmexit_post_tlb_flush(struct kvm_vcpu *vcpu)
+{
+}