summaryrefslogtreecommitdiff
path: root/lib/percpu-refcount.c
diff options
context:
space:
mode:
authorDmitry Torokhov <dmitry.torokhov@gmail.com>2018-03-08 11:07:30 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2018-03-08 11:07:30 -0800
commitc6380ecd8e9bee7aba3d9a5a94b58168244c4a61 (patch)
treef8d9522c66e805f638399e094f8e0dfd92584d06 /lib/percpu-refcount.c
parentcdc2466df40f26af60f6b18123069bd52336a80c (diff)
parent661e50bc853209e41a5c14a290ca4decc43cbfd1 (diff)
Merge tag 'v4.16-rc4' into next
Sync up with mainline to bring in RAVE MFD device core.
Diffstat (limited to 'lib/percpu-refcount.c')
-rw-r--r--lib/percpu-refcount.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/percpu-refcount.c b/lib/percpu-refcount.c
index fe03c6d52761..30e7dd88148b 100644
--- a/lib/percpu-refcount.c
+++ b/lib/percpu-refcount.c
@@ -197,10 +197,10 @@ static void __percpu_ref_switch_to_percpu(struct percpu_ref *ref)
atomic_long_add(PERCPU_COUNT_BIAS, &ref->count);
/*
- * Restore per-cpu operation. smp_store_release() is paired with
- * smp_read_barrier_depends() in __ref_is_percpu() and guarantees
- * that the zeroing is visible to all percpu accesses which can see
- * the following __PERCPU_REF_ATOMIC clearing.
+ * Restore per-cpu operation. smp_store_release() is paired
+ * with READ_ONCE() in __ref_is_percpu() and guarantees that the
+ * zeroing is visible to all percpu accesses which can see the
+ * following __PERCPU_REF_ATOMIC clearing.
*/
for_each_possible_cpu(cpu)
*per_cpu_ptr(percpu_count, cpu) = 0;