diff options
Diffstat (limited to 'kern/sref.h')
| -rw-r--r-- | kern/sref.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kern/sref.h b/kern/sref.h index 768f1eea..9cee283f 100644 --- a/kern/sref.h +++ b/kern/sref.h @@ -87,7 +87,9 @@ void sref_counter_init(struct sref_counter *counter, /* * Counter operations. * - * These functions may safely be called with preemption disabled. + * These functions may safely be called in interrupt context. + * + * These functions imply a compiler barrier. */ void sref_counter_inc(struct sref_counter *counter); void sref_counter_dec(struct sref_counter *counter); @@ -98,7 +100,7 @@ void sref_counter_dec(struct sref_counter *counter); * If successful, increment the reference counter before returning it. * Otherwise return NULL. * - * This function may safely be called with preemption disabled. + * This function may safely be called in interrupt context. */ struct sref_counter * sref_weakref_get(struct sref_weakref *weakref); |