* [PATCH] tracing: Use trace_iterator_reset() in tracing_read_pipe()
@ 2021-12-11 1:26 Steven Rostedt
0 siblings, 0 replies; only message in thread
From: Steven Rostedt @ 2021-12-11 1:26 UTC (permalink / raw)
To: LKML; +Cc: Ingo Molnar, Andrew Morton, Xiu Jianfeng
From: "Steven Rostedt (VMware)" <rostedt@goodmis.org>
Currently tracing_read_pipe() open codes trace_iterator_reset(). Just have
it use trace_iterator_reset() instead.
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
---
kernel/trace/trace.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 588de6df473f..547d82628c2e 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -6731,10 +6731,9 @@ tracing_read_pipe(struct file *filp, char __user *ubuf,
cnt = PAGE_SIZE - 1;
/* reset all but tr, trace, and overruns */
- memset_startat(iter, 0, seq);
+ trace_iterator_reset(iter);
cpumask_clear(iter->started);
trace_seq_init(&iter->seq);
- iter->pos = -1;
trace_event_read_lock();
trace_access_lock(iter->cpu_file);
--
2.31.1
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