Files
linuxkit/kernel/5.11.x-rt/patches/0033-0014-printk-kmsg_dump-use-kmsg_dump_rewind.patch
Avi Deitcher cd12a8613d restructure kernel builds into directories
Signed-off-by: Avi Deitcher <avi@deitcher.net>
2024-02-27 15:14:06 +02:00

36 lines
1.1 KiB
Diff

From: John Ogness <john.ogness@linutronix.de>
Date: Wed, 17 Feb 2021 18:23:16 +0100
Subject: [PATCH 14/28] printk: kmsg_dump: use kmsg_dump_rewind
kmsg_dump() is open coding the kmsg_dump_rewind(). Call
kmsg_dump_rewind() instead.
Signed-off-by: John Ogness <john.ogness@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
kernel/printk/printk.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -3351,7 +3351,6 @@ void kmsg_dump(enum kmsg_dump_reason rea
{
struct kmsg_dumper_iter iter;
struct kmsg_dumper *dumper;
- unsigned long flags;
rcu_read_lock();
list_for_each_entry_rcu(dumper, &dump_list, list) {
@@ -3370,10 +3369,7 @@ void kmsg_dump(enum kmsg_dump_reason rea
/* initialize iterator with data about the stored records */
iter.active = true;
- printk_safe_enter_irqsave(flags);
- iter.cur_seq = latched_seq_read_nolock(&clear_seq);
- iter.next_seq = prb_next_seq(prb);
- printk_safe_exit_irqrestore(flags);
+ kmsg_dump_rewind(&iter);
/* invoke dumper which will iterate over records */
dumper->dump(dumper, reason, &iter);