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authorIngo Molnar <[email protected]>2018-03-31 07:30:17 +0200
committerIngo Molnar <[email protected]>2018-03-31 07:30:17 +0200
commit169310f71fc820fe153ec04c6a111e444a68d6d5 (patch)
treea586d0f08548159ceb8527ff59f8414579f70c1f /lib/percpu-refcount.c
parentb3c39758c8a6972f02b43f83dba7fe7a352371b9 (diff)
parentc2a9838452a4d71f76103c18c926468a9ea05713 (diff)
Merge branch 'linus' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'lib/percpu-refcount.c')
-rw-r--r--lib/percpu-refcount.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/percpu-refcount.c b/lib/percpu-refcount.c
index 30e7dd88148b..9f96fa7bc000 100644
--- a/lib/percpu-refcount.c
+++ b/lib/percpu-refcount.c
@@ -322,6 +322,8 @@ EXPORT_SYMBOL_GPL(percpu_ref_switch_to_percpu);
* This function normally doesn't block and can be called from any context
* but it may block if @confirm_kill is specified and @ref is in the
* process of switching to atomic mode by percpu_ref_switch_to_atomic().
+ *
+ * There are no implied RCU grace periods between kill and release.
*/
void percpu_ref_kill_and_confirm(struct percpu_ref *ref,
percpu_ref_func_t *confirm_kill)