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Diffstat (limited to 'arch/x86/kvm/mmu/mmu.c')
-rw-r--r--arch/x86/kvm/mmu/mmu.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index fa35762f325c..1ab3fdb1f2e4 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -4903,6 +4903,18 @@ kvm_mmu_calc_root_page_role(struct kvm_vcpu *vcpu)
return role.base;
}
+void kvm_mmu_after_set_cpuid(struct kvm_vcpu *vcpu)
+{
+ /*
+ * Invalidate all MMU roles to force them to reinitialize as CPUID
+ * information is factored into reserved bit calculations.
+ */
+ vcpu->arch.root_mmu.mmu_role.ext.valid = 0;
+ vcpu->arch.guest_mmu.mmu_role.ext.valid = 0;
+ vcpu->arch.nested_mmu.mmu_role.ext.valid = 0;
+ kvm_mmu_reset_context(vcpu);
+}
+
void kvm_mmu_reset_context(struct kvm_vcpu *vcpu)
{
kvm_mmu_unload(vcpu);