These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / include / linux / srcu.h

diff --git a/kernel/include/linux/srcu.h b/kernel/include/linux/srcu.h
index a9c3c49..ec1a8f0 100644 (file)
--- a/kernel/include/linux/srcu.h
+++ b/kernel/include/linux/srcu.h
@@ -215,8 +215,11 @@ static inline int srcu_read_lock_held(struct srcu_struct *sp)
  */
 static inline int srcu_read_lock(struct srcu_struct *sp) __acquires(sp)
 {
-       int retval = __srcu_read_lock(sp);
+       int retval;
 
+       preempt_disable();
+       retval = __srcu_read_lock(sp);
+       preempt_enable();
        rcu_lock_acquire(&(sp)->dep_map);
        return retval;
 }