diff options
| author | Song Chen <chensong_2000@189.cn> | 2022-10-19 04:11:18 +0200 |
|---|---|---|
| committer | Steven Rostedt (Google) <rostedt@goodmis.org> | 2022-12-10 05:48:05 +0100 |
| commit | fff1787adaeebe66f27c01d5c40d8d2e4d79d5ee (patch) | |
| tree | 9a1009cb8856c40921a7fc18cfda0318d7d920bc /kernel/trace | |
| parent | tracing: docs: Update histogram doc for .percent/.graph and 'nohitcount' (diff) | |
| download | linux-fff1787adaeebe66f27c01d5c40d8d2e4d79d5ee.tar.xz linux-fff1787adaeebe66f27c01d5c40d8d2e4d79d5ee.zip | |
trace/kprobe: remove duplicated calls of ring_buffer_event_data
Function __kprobe_trace_func calls ring_buffer_event_data to
get a ring buffer, however, it has been done in above call
trace_event_buffer_reserve. So does __kretprobe_trace_func.
This patch removes those duplicated calls.
Link: https://lore.kernel.org/all/1666145478-4706-1-git-send-email-chensong_2000@189.cn/
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Song Chen <chensong_2000@189.cn>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/trace_kprobe.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index 5a75b039e586..ee77c8203bd5 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -1344,7 +1344,6 @@ __kprobe_trace_func(struct trace_kprobe *tk, struct pt_regs *regs, return; fbuffer.regs = regs; - entry = fbuffer.entry = ring_buffer_event_data(fbuffer.event); entry->ip = (unsigned long)tk->rp.kp.addr; store_trace_args(&entry[1], &tk->tp, regs, sizeof(*entry), dsize); @@ -1385,7 +1384,6 @@ __kretprobe_trace_func(struct trace_kprobe *tk, struct kretprobe_instance *ri, return; fbuffer.regs = regs; - entry = fbuffer.entry = ring_buffer_event_data(fbuffer.event); entry->func = (unsigned long)tk->rp.kp.addr; entry->ret_ip = get_kretprobe_retaddr(ri); store_trace_args(&entry[1], &tk->tp, regs, sizeof(*entry), dsize); |