diff options
| -rw-r--r-- | Documentation/mutex-design.txt | 3 | ||||
| -rw-r--r-- | include/linux/mutex.h | 3 |
2 files changed, 4 insertions, 2 deletions
diff --git a/Documentation/mutex-design.txt b/Documentation/mutex-design.txt index cbf79881a41..51f935191ae 100644 --- a/Documentation/mutex-design.txt +++ b/Documentation/mutex-design.txt @@ -90,7 +90,8 @@ of advantages of mutexes: * - task may not exit with mutex held * - memory areas where held locks reside must not be freed * - held mutexes must not be reinitialized - * - mutexes may not be used in irq contexts + * - mutexes may not be used in hardware or software interrupt + * contexts such as tasklets and timers furthermore, there are also convenience features in the debugging code: diff --git a/include/linux/mutex.h b/include/linux/mutex.h index 6a735c72f23..601479772b9 100644 --- a/include/linux/mutex.h +++ b/include/linux/mutex.h @@ -29,7 +29,8 @@ * - task may not exit with mutex held * - memory areas where held locks reside must not be freed * - held mutexes must not be reinitialized - * - mutexes may not be used in irq contexts + * - mutexes may not be used in hardware or software interrupt + * contexts such as tasklets and timers * * These semantics are fully enforced when DEBUG_MUTEXES is * enabled. Furthermore, besides enforcing the above rules, the mutex |