x86/KVM/VMX: Add L1D flush logic

[mirror_ubuntu-bionic-kernel.git] / arch / x86 / include / asm / kvm_host.h

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 5d0098c66d6815ee8fe1f6d22052d139aa6d1a3a..41f60f753c437b73b933e7219401d77b30cf097e 100644 (file)
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -706,6 +706,9 @@ struct kvm_vcpu_arch {
 
        /* be preempted when it's in kernel-mode(cpl=0) */
        bool preempted_in_kernel;
+
+       /* Flush the L1 Data cache for L1TF mitigation on VMENTER */
+       bool l1tf_flush_l1d;
 };
 
 struct kvm_lpage_info {
@@ -875,6 +878,7 @@ struct kvm_vcpu_stat {
        u64 signal_exits;
        u64 irq_window_exits;
        u64 nmi_window_exits;
+       u64 l1d_flush;
        u64 halt_exits;
        u64 halt_successful_poll;
        u64 halt_attempted_poll;