add stmac read mac form eeprom

hc

2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/arch/um/kernel/kmsg_dump.c
..
..
@@ -1,35 +1,43 @@
1
1
 // SPDX-License-Identifier: GPL-2.0
2
2
 #include <linux/kmsg_dump.h>
3
+#include <linux/spinlock.h>
3
4
 #include <linux/console.h>
4
5
 #include <shared/init.h>
5
6
 #include <shared/kern.h>
6
7
 #include <os.h>
7
8
 
8
9
 static void kmsg_dumper_stdout(struct kmsg_dumper *dumper,
9
-				enum kmsg_dump_reason reason)
10
+				enum kmsg_dump_reason reason,
11
+				struct kmsg_dumper_iter *iter)
10
12
 {
13
+	static DEFINE_SPINLOCK(lock);
11
14
 	static char line[1024];
12
-
15
+	struct console *con;
16
+	unsigned long flags;
13
17
 	size_t len = 0;
14
-	bool con_available = false;
15
18
 
16
19
 	/* only dump kmsg when no console is available */
17
20
 	if (!console_trylock())
18
21
 		return;
19
22
 
20
-	if (console_drivers != NULL)
21
-		con_available = true;
23
+	for_each_console(con)
24
+		break;
22
25
 
23
26
 	console_unlock();
24
27
 
25
-	if (con_available == true)
28
+	if (con)
29
+		return;
30
+
31
+	if (!spin_trylock_irqsave(&lock, flags))
26
32
 		return;
27
33
 
28
34
 	printf("kmsg_dump:\n");
29
-	while (kmsg_dump_get_line(dumper, true, line, sizeof(line), &len)) {
35
+	while (kmsg_dump_get_line(iter, true, line, sizeof(line), &len)) {
30
36
 		line[len] = '\0';
31
37
 		printf("%s", line);
32
38
 	}
39
+
40
+	spin_unlock_irqrestore(&lock, flags);
33
41
 }
34
42
 
35
43
 static struct kmsg_dumper kmsg_dumper = {