diff options
Diffstat (limited to 'docs/devel/atomics.rst')
| -rw-r--r-- | docs/devel/atomics.rst | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/docs/devel/atomics.rst b/docs/devel/atomics.rst index b77c6e1..95c7b77 100644 --- a/docs/devel/atomics.rst +++ b/docs/devel/atomics.rst @@ -204,7 +204,7 @@ They come in six kinds: before the second with respect to the other components of the system. Therefore, unlike ``smp_rmb()`` or ``qatomic_load_acquire()``, ``smp_read_barrier_depends()`` can be just a compiler barrier on - weakly-ordered architectures such as Arm or PPC[#]_. + weakly-ordered architectures such as Arm or PPC\ [#alpha]_. Note that the first load really has to have a _data_ dependency and not a control dependency. If the address for the second load is dependent @@ -212,7 +212,7 @@ They come in six kinds: than actually loading the address itself, then it's a _control_ dependency and a full read barrier or better is required. -.. [#] The DEC Alpha is an exception, because ``smp_read_barrier_depends()`` +.. [#alpha] The DEC Alpha is an exception, because ``smp_read_barrier_depends()`` needs a processor barrier. On strongly-ordered architectures such as x86 or s390, ``smp_rmb()`` and ``qatomic_load_acquire()`` can also be compiler barriers only. @@ -295,7 +295,7 @@ Acquire/release pairing and the *synchronizes-with* relation ------------------------------------------------------------ Atomic operations other than ``qatomic_set()`` and ``qatomic_read()`` have -either *acquire* or *release* semantics [#rmw]_. This has two effects: +either *acquire* or *release* semantics\ [#rmw]_. This has two effects: .. [#rmw] Read-modify-write operations can have both---acquire applies to the read part, and release to the write. |