call_start
s32 *call_start, *call_end;
patch_call_sites(cs->call_start, cs->call_end, ct);
.call_start = __call_sites,
cs.call_start = (void *)calls->sh_addr;
task->tk_action = call_start;
return __rpc_restart_call(task, call_start);
task->tk_action = call_start;
static void call_start(struct rpc_task *task);