diff options
Diffstat (limited to 'Documentation/RCU/rcu_dereference.rst')
| -rw-r--r-- | Documentation/RCU/rcu_dereference.rst | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Documentation/RCU/rcu_dereference.rst b/Documentation/RCU/rcu_dereference.rst index f3e587acb4de..0b418a5b243c 100644 --- a/Documentation/RCU/rcu_dereference.rst +++ b/Documentation/RCU/rcu_dereference.rst @@ -43,7 +43,7 @@ Follow these rules to keep your RCU code working properly: - Set bits and clear bits down in the must-be-zero low-order bits of that pointer. This clearly means that the pointer must have alignment constraints, for example, this does - -not- work in general for char* pointers. + *not* work in general for char* pointers. - XOR bits to translate pointers, as is done in some classic buddy-allocator algorithms. @@ -174,7 +174,7 @@ Follow these rules to keep your RCU code working properly: Please see the "CONTROL DEPENDENCIES" section of Documentation/memory-barriers.txt for more details. - - The pointers are not equal -and- the compiler does + - The pointers are not equal *and* the compiler does not have enough information to deduce the value of the pointer. Note that the volatile cast in rcu_dereference() will normally prevent the compiler from knowing too much. @@ -360,7 +360,7 @@ in turn destroying the ordering between this load and the loads of the return values. This can result in "p->b" returning pre-initialization garbage values. -In short, rcu_dereference() is -not- optional when you are going to +In short, rcu_dereference() is *not* optional when you are going to dereference the resulting pointer. |