1 files changed, 4 insertions, 1 deletions

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index bcc0efce85b..4be89e1c014 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -5574,7 +5574,7 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
                                   struct kvm_sregs *sregs)
 {
         int mmu_reset_needed = 0;
-        int pending_vec, max_bits;
+        int pending_vec, max_bits, idx;
         struct desc_ptr dt;
 
         dt.size = sregs->idt.limit;
@@ -5603,10 +5603,13 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
         kvm_x86_ops->set_cr4(vcpu, sregs->cr4);
         if (sregs->cr4 & X86_CR4_OSXSAVE)
                 update_cpuid(vcpu);
+
+        idx = srcu_read_lock(&vcpu->kvm->srcu);
         if (!is_long_mode(vcpu) && is_pae(vcpu)) {
                 load_pdptrs(vcpu, vcpu->arch.walk_mmu, kvm_read_cr3(vcpu));
                 mmu_reset_needed = 1;
         }
+        srcu_read_unlock(&vcpu->kvm->srcu, idx);
 
         if (mmu_reset_needed)
                 kvm_mmu_reset_context(vcpu);