From: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Date: Thu, 23 Jun 2022 22:31:35 +0000 (+0900)
Subject: fprobe, samples: Add module parameter descriptions
X-Git-Tag: microblaze-v6.1~356^2~16^2~6
X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=179a93f74b29d0f37871d7afe826292cda90f113;p=linux-2.6-microblaze.git

fprobe, samples: Add module parameter descriptions

Add module parameter descriptions for the fprobe_example module.

Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/165602349520.56016.1314423560740428008.stgit@devnote2
---

diff --git a/samples/fprobe/fprobe_example.c b/samples/fprobe/fprobe_example.c
index 01ee6c8c8382..18b1e5c4b431 100644
--- a/samples/fprobe/fprobe_example.c
+++ b/samples/fprobe/fprobe_example.c
@@ -25,12 +25,19 @@ static unsigned long nhit;
 
 static char symbol[MAX_SYMBOL_LEN] = "kernel_clone";
 module_param_string(symbol, symbol, sizeof(symbol), 0644);
+MODULE_PARM_DESC(symbol, "Probed symbol(s), given by comma separated symbols or a wildcard pattern.");
+
 static char nosymbol[MAX_SYMBOL_LEN] = "";
 module_param_string(nosymbol, nosymbol, sizeof(nosymbol), 0644);
+MODULE_PARM_DESC(nosymbol, "Not-probed symbols, given by a wildcard pattern.");
+
 static bool stackdump = true;
 module_param(stackdump, bool, 0644);
+MODULE_PARM_DESC(stackdump, "Enable stackdump.");
+
 static bool use_trace = false;
 module_param(use_trace, bool, 0644);
+MODULE_PARM_DESC(use_trace, "Use trace_printk instead of printk. This is only for debugging.");
 
 static void show_backtrace(void)
 {