Update printk_seq for suppressed message.
When message is suppressed, printk_seq should be updated, otherwise
this message will be printed when reboot. This problem was introduced
in commit 3edc0c85d154 ("printk: Rebase on top of new ring buffer").
This patch apply fix to 5.15-rt according to
Message-ID: <87a6dj3b5c.fsf@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Schspa Shi <schspa@xxxxxxxxx>
---
kernel/printk/printk.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 0cc8e8acf545..c3e245c95de4 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -2255,8 +2255,12 @@ static int printk_kthread_func(void *data)
if (!(con->flags & CON_ENABLED))
continue;
- if (suppress_message_printing(r.info->level))
+ if (suppress_message_printing(r.info->level)) {
+ console_lock();
+ latched_seq_write(&con->printk_seq, seq);
+ console_unlock();
continue;
+ }
if (con->flags & CON_EXTENDED) {
len = info_print_ext_header(ext_text,
--
2.29.0
