add stmac read mac form eeprom

hc

2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/lib/bug.c
..
..
@@ -47,6 +47,9 @@
47
47
 #include <linux/bug.h>
48
48
 #include <linux/sched.h>
49
49
 #include <linux/rculist.h>
50
+#include <linux/ftrace.h>
51
+
52
+#include <trace/hooks/bug.h>
50
53
 
51
54
 extern struct bug_entry __start___bug_table[], __stop___bug_table[];
52
55
 
..
..
@@ -153,6 +156,8 @@
153
156
 	if (!bug)
154
157
 		return BUG_TRAP_TYPE_NONE;
155
158
 
159
+	disable_trace_on_warning();
160
+
156
161
 	file = NULL;
157
162
 	line = 0;
158
163
 
..
..
@@ -178,6 +183,15 @@
178
183
 		bug->flags |= BUGFLAG_DONE;
179
184
 	}
180
185
 
186
+	/*
187
+	 * BUG() and WARN_ON() families don't print a custom debug message
188
+	 * before triggering the exception handler, so we must add the
189
+	 * "cut here" line now. WARN() issues its own "cut here" before the
190
+	 * extra debugging message it writes before triggering the handler.
191
+	 */
192
+	if ((bug->flags & BUGFLAG_NO_CUT_HERE) == 0)
193
+		printk(KERN_DEFAULT CUT_HERE);
194
+
181
195
 	if (warning) {
182
196
 		/* this is a WARN_ON rather than BUG/BUG_ON */
183
197
 		__warn(file, line, (void *)bugaddr, BUG_GET_TAINT(bug), regs,
..
..
@@ -185,13 +199,14 @@
185
199
 		return BUG_TRAP_TYPE_WARN;
186
200
 	}
187
201
 
188
-	printk(KERN_DEFAULT CUT_HERE);
189
-
190
202
 	if (file)
191
203
 		pr_crit("kernel BUG at %s:%u!\n", file, line);
192
204
 	else
193
205
 		pr_crit("Kernel BUG at %pB [verbose debug info unavailable]\n",
194
206
 			(void *)bugaddr);
207
+	pr_flush(1000, true);
208
+
209
+	trace_android_rvh_report_bug(file, line, bugaddr);
195
210
 
196
211
 	return BUG_TRAP_TYPE_BUG;
197
212
 }