[PATCH 2/2] reboot: flush printk buffers before final shutdown

From: Martin Hundebøll
Date: Mon Oct 30 2023 - 05:24:50 EST


Make sure printed messages are in fact printed before putting the system
down.

Signed-off-by: Martin Hundebøll <martin@xxxxxxxxxx>
---
kernel/reboot.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/kernel/reboot.c b/kernel/reboot.c
index 3bba88c7ffc6..bab8350d5dae 100644
--- a/kernel/reboot.c
+++ b/kernel/reboot.c
@@ -273,6 +273,7 @@ void kernel_restart(char *cmd)
else
pr_emerg("Restarting system with command '%s'\n", cmd);
kmsg_dump(KMSG_DUMP_SHUTDOWN);
+ pr_flush(1000, false);
machine_restart(cmd);
}
EXPORT_SYMBOL_GPL(kernel_restart);
--
2.42.0