diff options
Diffstat (limited to 'arch/x86/kvm/mmu/tdp_mmu.h')
| -rw-r--r-- | arch/x86/kvm/mmu/tdp_mmu.h | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/arch/x86/kvm/mmu/tdp_mmu.h b/arch/x86/kvm/mmu/tdp_mmu.h index 0fc9061ff2d8..25268c4ba03b 100644 --- a/arch/x86/kvm/mmu/tdp_mmu.h +++ b/arch/x86/kvm/mmu/tdp_mmu.h @@ -7,17 +7,10 @@ hpa_t kvm_tdp_mmu_get_vcpu_root_hpa(struct kvm_vcpu *vcpu); -static inline void kvm_tdp_mmu_get_root(struct kvm *kvm, - struct kvm_mmu_page *root) +__must_check static inline bool kvm_tdp_mmu_get_root(struct kvm *kvm, + struct kvm_mmu_page *root) { - lockdep_assert_held_write(&kvm->mmu_lock); - - /* - * This should never fail since roots are removed from the roots - * list under the MMU write lock when their reference count falls - * to zero. - */ - refcount_inc_not_zero(&root->tdp_mmu_root_count); + return refcount_inc_not_zero(&root->tdp_mmu_root_count); } void kvm_tdp_mmu_put_root(struct kvm *kvm, struct kvm_mmu_page *root); |