7a8e9cdf9405 ("seq_buf: Make DECLARE_SEQ_BUF() usable")
dcc4e5728eea ("seq_buf: Introduce DECLARE_SEQ_BUF and seq_buf_str()")
d0ed46b60396 ("tracing: Move readpos from seq_buf to trace_seq")
96928d9032a7 ("seq_buf: Add seq_buf_do_printk() helper")