doc/examples: update qsbr example

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/doc/examples/urcu-flavors/qsbr.c b/doc/examples/urcu-flavors/qsbr.c
index bb12f9f5772d60d282ab5d6272782c7a455c26ef..75302f0d31cf035afe2036039210fc3cb90fdf71 100644 (file)
--- a/doc/examples/urcu-flavors/qsbr.c
+++ b/doc/examples/urcu-flavors/qsbr.c
@@ -85,21 +85,12 @@ int main(int argc, char **argv)
                        goto end;
        }
 
-       /*
-        * For all RCU flavors except QSBR, we need to explicitly mark
-        * RCU read-side critical sections with rcu_read_lock() and
-        * rcu_read_unlock(). They can be nested. Those are no-ops for
-        * the QSBR flavor.
-        */
-       rcu_read_lock();
-
        /*
         * RCU traversal of the linked list.
         */
        cds_list_for_each_entry_rcu(node, &mylist, node) {
                printf("Value: %" PRIu64 "\n", node->value);
        }
-       rcu_read_unlock();
 
        /*
         * Removing nodes from linked list. Safe against concurrent RCU