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Diffstat (limited to 'arch/x86/kvm/x86.c')
-rw-r--r--arch/x86/kvm/x86.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 9d25ef7d4d53..3a74540caca2 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3245,15 +3245,14 @@ static void kvm_vcpu_flush_tlb_guest(struct kvm_vcpu *vcpu)
++vcpu->stat.tlb_flush;
if (!tdp_enabled) {
- /*
+ /*
* A TLB flush on behalf of the guest is equivalent to
* INVPCID(all), toggling CR4.PGE, etc., which requires
- * a forced sync of the shadow page tables. Unload the
- * entire MMU here and the subsequent load will sync the
- * shadow page tables, and also flush the TLB.
+ * a forced sync of the shadow page tables. Ensure all the
+ * roots are synced and the guest TLB in hardware is clean.
*/
- kvm_mmu_unload(vcpu);
- return;
+ kvm_mmu_sync_roots(vcpu);
+ kvm_mmu_sync_prev_roots(vcpu);
}
static_call(kvm_x86_tlb_flush_guest)(vcpu);