linux-kernel - [PATCH 3/3] perf/hw_breakpoint: Fix kernel-doc warnings in perf hw

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Message-Id: <20210526115220.19134-4-xiehaocheng.cn@gmail.com>
Date:   Wed, 26 May 2021 19:52:20 +0800
From:   Haocheng Xie <xiehaocheng.cn@...il.com>
To:     mingo@...nel.org, acme@...nel.org,
        alexander.shishkin@...ux.intel.com, jolsa@...hat.com,
        mark.rutland@....com, mingo@...hat.com, namhyung@...nel.org,
        peterz@...radead.org
Cc:     linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        Haocheng Xie <xiehaocheng.cn@...il.com>
Subject: [PATCH 3/3] perf/hw_breakpoint: Fix kernel-doc warnings in perf hw_breakpoint

Fix the following W=1 kernel build warning(s):

  kernel/events/hw_breakpoint.c:461: warning: Function parameter or member 'context' not described in 'register_user_hw_breakpoint'
  kernel/events/hw_breakpoint.c:560: warning: Function parameter or member 'context' not described in 'register_wide_hw_breakpoint'

Signed-off-by: Haocheng Xie <xiehaocheng.cn@...il.com>
---
 kernel/events/hw_breakpoint.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/events/hw_breakpoint.c b/kernel/events/hw_breakpoint.c
index b48d703..8359734 100644
--- a/kernel/events/hw_breakpoint.c
+++ b/kernel/events/hw_breakpoint.c
@@ -451,6 +451,7 @@ int register_perf_hw_breakpoint(struct perf_event *bp)
  * register_user_hw_breakpoint - register a hardware breakpoint for user space
  * @attr: breakpoint attributes
  * @triggered: callback to trigger when we hit the breakpoint
+ * @context: context data could be used in the triggered callback
  * @tsk: pointer to 'task_struct' of the process to which the address belongs
  */
 struct perf_event *
@@ -550,6 +551,7 @@ EXPORT_SYMBOL_GPL(unregister_hw_breakpoint);
  * register_wide_hw_breakpoint - register a wide breakpoint in the kernel
  * @attr: breakpoint attributes
  * @triggered: callback to trigger when we hit the breakpoint
+ * @context: context data could be used in the triggered callback
  *
  * @return a set of per_cpu pointers to perf events
  */
-- 
2.9.5