summaryrefslogtreecommitdiffstats
path: root/kernel/rcu/srcutiny.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/rcu/srcutiny.c')
-rw-r--r--kernel/rcu/srcutiny.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/rcu/srcutiny.c b/kernel/rcu/srcutiny.c
index 36e1f82faed1..32798eb14853 100644
--- a/kernel/rcu/srcutiny.c
+++ b/kernel/rcu/srcutiny.c
@@ -97,8 +97,9 @@ EXPORT_SYMBOL_GPL(cleanup_srcu_struct);
/*
* Counts the new reader in the appropriate per-CPU element of the
- * srcu_struct. Must be called from process context.
- * Returns an index that must be passed to the matching srcu_read_unlock().
+ * srcu_struct. Can be invoked from irq/bh handlers, but the matching
+ * __srcu_read_unlock() must be in the same handler instance. Returns an
+ * index that must be passed to the matching srcu_read_unlock().
*/
int __srcu_read_lock(struct srcu_struct *sp)
{
@@ -112,7 +113,7 @@ EXPORT_SYMBOL_GPL(__srcu_read_lock);
/*
* Removes the count for the old reader from the appropriate element of
- * the srcu_struct. Must be called from process context.
+ * the srcu_struct.
*/
void __srcu_read_unlock(struct srcu_struct *sp, int idx)
{