On Mon, 8 Aug 2022 03:41:27 +0100
"Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx> wrote:
@@ -9826,20 +9821,8 @@ static struct notifier_block trace_die_notifier = {
void
trace_printk_seq(struct trace_seq *s)
{
- /* Probably should print a warning here. */
- if (s->seq.len >= TRACE_MAX_PRINT)
- s->seq.len = TRACE_MAX_PRINT;
-
- /*
- * More paranoid code. Although the buffer size is set to
- * PAGE_SIZE, and TRACE_MAX_PRINT is 1000, this is just
- * an extra layer of protection.
- */
- if (WARN_ON_ONCE(s->seq.len >= s->seq.size))
- s->seq.len = s->seq.size - 1;
-
/* should be zero ended, but we are paranoid. */
- s->buffer[s->seq.len] = 0;
+ printbuf_nul_terminate(&s->seq);
printk(KERN_TRACE "%s", s->buffer);
diff --g
Please remove the two tracing patches and the deletion of the seq_buf from
the series.