From 5fb02b687bf42154b8ff754c2dd809a05c5cc183 Mon Sep 17 00:00:00 2001
From: Jianxiong Pan <jianxiong.pan@amlogic.com>
Date: Mon, 9 Sep 2024 19:39:14 +0800
Subject: [PATCH] ANDROID: signal: allow hooks into signal_generate()

Allow drivers to register signal generate hooks.
This helps to get signal info and add debug info for specific signals.

Bug: 374703396
Change-Id: Ie1f7644ddfc8605264378a879012411c06b4da99
Signed-off-by: Jianxiong Pan <jianxiong.pan@amlogic.com>
Signed-off-by: Wanwei Jiang <wanwei.jiang@amlogic.com>
---
 kernel/signal.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/signal.c b/kernel/signal.c
index 4344860ffcac..18ae97bbbd50 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -63,6 +63,8 @@
  * SLAB caches for signal bits.
  */
 
+EXPORT_TRACEPOINT_SYMBOL_GPL(signal_generate);
+
 static struct kmem_cache *sigqueue_cachep;
 
 int print_fatal_signals __read_mostly;