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Message-Id: <20210526033438.23640-1-xiehaocheng.cn@gmail.com>
Date: Wed, 26 May 2021 11:34:38 +0800
From: Haocheng Xie <xiehaocheng.cn@...il.com>
To: peterz@...radead.org, mingo@...hat.com, acme@...nel.org,
mark.rutland@....com, alexander.shishkin@...ux.intel.com,
jolsa@...hat.com, namhyung@...nel.org
Cc: linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
Haocheng Xie <xiehaocheng.cn@...il.com>
Subject: [PATCH] perf core: Fix some kernel-doc warnings.
Fix the following W=1 kernel build warning(s):
kernel/events/core.c:143: warning: Function parameter or member 'cpu' not described in 'cpu_function_call'
kernel/events/core.c:11924: warning: Function parameter or member 'flags' not described in 'sys_perf_event_open'
kernel/events/core.c:12382: warning: Function parameter or member 'overflow_handler' not described in 'perf_event_create_kernel_counter'
kernel/events/core.c:12382: warning: Function parameter or member 'context' not described in 'perf_event_create_kernel_counter'
Signed-off-by: Haocheng Xie <xiehaocheng.cn@...il.com>
---
kernel/events/core.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 0d98d6a..7988e40 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -132,6 +132,7 @@ task_function_call(struct task_struct *p, remote_function_f func, void *info)
/**
* cpu_function_call - call a function on the cpu
+ * @cpu: target cpu to queue this function
* @func: the function to be called
* @info: the function call argument
*
@@ -11917,6 +11918,7 @@ __perf_event_ctx_lock_double(struct perf_event *group_leader,
* @pid: target pid
* @cpu: target cpu
* @group_fd: group leader event fd
+ * @flags: perf event open flags
*/
SYSCALL_DEFINE5(perf_event_open,
struct perf_event_attr __user *, attr_uptr,
@@ -12373,6 +12375,8 @@ SYSCALL_DEFINE5(perf_event_open,
* @attr: attributes of the counter to create
* @cpu: cpu in which the counter is bound
* @task: task to profile (NULL for percpu)
+ * @overflow_handler: callback to trigger when we hit the event
+ * @context: context data could be used in overflow_handler callback
*/
struct perf_event *
perf_event_create_kernel_counter(struct perf_event_attr *attr, int cpu,
--
2.9.5
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