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Diffstat (limited to 'Documentation/atomic_t.txt')
| -rw-r--r-- | Documentation/atomic_t.txt | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/atomic_t.txt b/Documentation/atomic_t.txt index d7adc6d543db..bee3b1bca9a7 100644 --- a/Documentation/atomic_t.txt +++ b/Documentation/atomic_t.txt @@ -171,14 +171,14 @@ The rule of thumb: - RMW operations that are conditional are unordered on FAILURE, otherwise the above rules apply. -Except of course when an operation has an explicit ordering like: +Except of course when a successful operation has an explicit ordering like: {}_relaxed: unordered {}_acquire: the R of the RMW (or atomic_read) is an ACQUIRE {}_release: the W of the RMW (or atomic_set) is a RELEASE Where 'unordered' is against other memory locations. Address dependencies are -not defeated. +not defeated. Conditional operations are still unordered on FAILURE. Fully ordered primitives are ordered against everything prior and everything subsequent. Therefore a fully ordered primitive is like having an smp_mb() |