[PATCH v2] docs/trace: fix a label of boottime-trace

* [PATCH v2] docs/trace: fix a label of boottime-trace
@ 2021-12-10  4:15 Yanteng Si
  2021-12-10  5:19 ` Masami Hiramatsu
  0 siblings, 1 reply; 4+ messages in thread
From: Yanteng Si @ 2021-12-10  4:15 UTC (permalink / raw)
  To: mhiramat; +Cc: rostedt, corbet, linux-doc, siyanteng01, akiyks, Yanteng Si

Since 559789539255 ("Documentation: tracing: Add histogram syntax to boot-time tracing") which
introduced a warning:

linux/Documentation/trace/boottime-trace.rst:136: WARNING: undefined label: histogram (if the link has no caption the label must precede a section header)

Replace with: (path)

Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
---
 Documentation/trace/boottime-trace.rst | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/Documentation/trace/boottime-trace.rst b/Documentation/trace/boottime-trace.rst
index 6dcfbc64014d..d594597201fd 100644
--- a/Documentation/trace/boottime-trace.rst
+++ b/Documentation/trace/boottime-trace.rst
@@ -131,9 +131,7 @@ Ftrace Histogram Options
 Since it is too long to write a histogram action as a string for per-event
 action option, there are tree-style options under per-event 'hist' subkey
 for the histogram actions. For the detail of the each parameter,
-please read the event histogram document [3]_.
-
-.. [3] See :ref:`Documentation/trace/histogram.rst <histogram>`
+please read the event histogram document (Documentation/trace/histogram.rst)
 
 ftrace.[instance.INSTANCE.]event.GROUP.EVENT.hist.[N.]keys = KEY1[, KEY2[...]]
   Set histogram key parameters. (Mandatory)
-- 
2.27.0


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