VisionFive2 Linux kernel

StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)

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author: John Ogness <john.ogness@linutronix.de> 2021-03-03 11:15:25 +0100 committer: Petr Mladek <pmladek@suse.com> 2021-03-08 11:43:27 +0100 commit: f9f3f02db98bbe678a8e57fe9432b196174744a3 parent: 5f6c7648e556f41a3064bb6dceb9e102c50b618d
Commit Summary:
printk: introduce a kmsg_dump iterator
Diffstat:
1 file changed, 4 insertions, 1 deletion
diff --git a/arch/um/kernel/kmsg_dump.c b/arch/um/kernel/kmsg_dump.c
index a765d235e50e..0224fcb36e22 100644
--- a/arch/um/kernel/kmsg_dump.c
+++ b/arch/um/kernel/kmsg_dump.c
@@ -10,6 +10,7 @@
 static void kmsg_dumper_stdout(struct kmsg_dumper *dumper,
 				enum kmsg_dump_reason reason)
 {
+	static struct kmsg_dump_iter iter;
 	static DEFINE_SPINLOCK(lock);
 	static char line[1024];
 	struct console *con;
@@ -35,8 +36,10 @@ static void kmsg_dumper_stdout(struct kmsg_dumper *dumper,
 	if (!spin_trylock_irqsave(&lock, flags))
 		return;
 
+	kmsg_dump_rewind(&iter);
+
 	printf("kmsg_dump:\n");
-	while (kmsg_dump_get_line(dumper, true, line, sizeof(line), &len)) {
+	while (kmsg_dump_get_line(&iter, true, line, sizeof(line), &len)) {
 		line[len] = '\0';
 		printf("%s", line);
 	}