diff options
Diffstat (limited to 'arch/powerpc/kvm/44x_tlb.c')
-rw-r--r-- | arch/powerpc/kvm/44x_tlb.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/44x_tlb.c b/arch/powerpc/kvm/44x_tlb.c index 5dd3ab469976..ed0385448148 100644 --- a/arch/powerpc/kvm/44x_tlb.c +++ b/arch/powerpc/kvm/44x_tlb.c | |||
@@ -441,6 +441,7 @@ int kvmppc_44x_emul_tlbwe(struct kvm_vcpu *vcpu, u8 ra, u8 rs, u8 ws) | |||
441 | struct kvmppc_vcpu_44x *vcpu_44x = to_44x(vcpu); | 441 | struct kvmppc_vcpu_44x *vcpu_44x = to_44x(vcpu); |
442 | struct kvmppc_44x_tlbe *tlbe; | 442 | struct kvmppc_44x_tlbe *tlbe; |
443 | unsigned int gtlb_index; | 443 | unsigned int gtlb_index; |
444 | int idx; | ||
444 | 445 | ||
445 | gtlb_index = kvmppc_get_gpr(vcpu, ra); | 446 | gtlb_index = kvmppc_get_gpr(vcpu, ra); |
446 | if (gtlb_index >= KVM44x_GUEST_TLB_SIZE) { | 447 | if (gtlb_index >= KVM44x_GUEST_TLB_SIZE) { |
@@ -473,6 +474,8 @@ int kvmppc_44x_emul_tlbwe(struct kvm_vcpu *vcpu, u8 ra, u8 rs, u8 ws) | |||
473 | return EMULATE_FAIL; | 474 | return EMULATE_FAIL; |
474 | } | 475 | } |
475 | 476 | ||
477 | idx = srcu_read_lock(&vcpu->kvm->srcu); | ||
478 | |||
476 | if (tlbe_is_host_safe(vcpu, tlbe)) { | 479 | if (tlbe_is_host_safe(vcpu, tlbe)) { |
477 | gva_t eaddr; | 480 | gva_t eaddr; |
478 | gpa_t gpaddr; | 481 | gpa_t gpaddr; |
@@ -489,6 +492,8 @@ int kvmppc_44x_emul_tlbwe(struct kvm_vcpu *vcpu, u8 ra, u8 rs, u8 ws) | |||
489 | kvmppc_mmu_map(vcpu, eaddr, gpaddr, gtlb_index); | 492 | kvmppc_mmu_map(vcpu, eaddr, gpaddr, gtlb_index); |
490 | } | 493 | } |
491 | 494 | ||
495 | srcu_read_unlock(&vcpu->kvm->srcu, idx); | ||
496 | |||
492 | trace_kvm_gtlb_write(gtlb_index, tlbe->tid, tlbe->word0, tlbe->word1, | 497 | trace_kvm_gtlb_write(gtlb_index, tlbe->tid, tlbe->word0, tlbe->word1, |
493 | tlbe->word2); | 498 | tlbe->word2); |
494 | 499 | ||