Commit fb5aacdf authored by Björn Töpel's avatar Björn Töpel Committed by Alexei Starovoitov
Browse files

xdp: Fix graze->grace type-o in cpumap comments

parent 4bc188c7
Loading
Loading
Loading
Loading
+3 −3
Original line number Diff line number Diff line
@@ -401,7 +401,7 @@ static void __cpu_map_entry_free(struct rcu_head *rcu)
	struct bpf_cpu_map_entry *rcpu;

	/* This cpu_map_entry have been disconnected from map and one
	 * RCU graze-period have elapsed.  Thus, XDP cannot queue any
	 * RCU grace-period have elapsed.  Thus, XDP cannot queue any
	 * new packets and cannot change/set flush_needed that can
	 * find this entry.
	 */
@@ -428,7 +428,7 @@ static void __cpu_map_entry_free(struct rcu_head *rcu)
 * percpu bulkq to queue.  Due to caller map_delete_elem() disable
 * preemption, cannot call kthread_stop() to make sure queue is empty.
 * Instead a work_queue is started for stopping kthread,
 * cpu_map_kthread_stop, which waits for an RCU graze period before
 * cpu_map_kthread_stop, which waits for an RCU grace period before
 * stopping kthread, emptying the queue.
 */
static void __cpu_map_entry_replace(struct bpf_cpu_map *cmap,
@@ -523,7 +523,7 @@ static void cpu_map_free(struct bpf_map *map)
		if (!rcpu)
			continue;

		/* bq flush and cleanup happens after RCU graze-period */
		/* bq flush and cleanup happens after RCU grace-period */
		__cpu_map_entry_replace(cmap, i, NULL); /* call_rcu */
	}
	free_percpu(cmap->flush_list);