kvm memslots are protected by srcu and not by rcu. We must use
srcu_dereference_check instead of rcu_dereference_check.
Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
Suggested-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
---
include/linux/kvm_host.h | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index b3ca77a..648b34c 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -568,9 +568,8 @@ void kvm_put_kvm(struct kvm *kvm);
static inline struct kvm_memslots *__kvm_memslots(struct kvm *kvm, int as_id)
{
- return rcu_dereference_check(kvm->memslots[as_id],
- srcu_read_lock_held(&kvm->srcu)
- || lockdep_is_held(&kvm->slots_lock));
+ return srcu_dereference_check(kvm->memslots[as_id], &kvm->srcu,
+ lockdep_is_held(&kvm->slots_lock));
}
static inline struct kvm_memslots *kvm_memslots(struct kvm *kvm)
--
2.7.4
