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authorIngo Molnar <mingo@kernel.org>2018-03-27 09:43:39 +0300
committerIngo Molnar <mingo@kernel.org>2018-03-27 09:43:39 +0300
commit0bc91d4ba77156ae9217d25ed7c434540f950d05 (patch)
tree949c1acf27b106184d8842586740fbbcc9c9ea62 /lib/percpu-refcount.c
parent565977a3d929fc4427769117a8ac976ec16776d5 (diff)
parent3eb2ce825ea1ad89d20f7a3b5780df850e4be274 (diff)
downloadlinux-0bc91d4ba77156ae9217d25ed7c434540f950d05.tar.xz
Merge tag 'v4.16-rc7' into x86/mm, to fix up conflict
Conflicts: arch/x86/mm/init_64.c Signed-off-by: Ingo Molnar <mingo@kernel.org>
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)