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authorSean Paul <seanpaul@chromium.org>2018-03-30 19:35:45 +0300
committerSean Paul <seanpaul@chromium.org>2018-03-30 19:35:45 +0300
commit83fd26c3f32afe38bb2ab8cc00e313ec5c2edbce (patch)
treeb2d2719c998bc2bcba99f2ecf2d164ee9b7ad75a /lib/percpu-refcount.c
parent4165791d29f64e01860a064f3c649447dbac41c3 (diff)
parent694f54f680f7fd8e9561928fbfc537d9afbc3d79 (diff)
downloadlinux-83fd26c3f32afe38bb2ab8cc00e313ec5c2edbce.tar.xz
Merge airlied/drm-next into drm-misc-next
Backmerging to pick up a fix from drm-misc-next-fixes. Signed-off-by: Sean Paul <seanpaul@chromium.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)