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From 66a45e662dc7ecb7e9b519d3475c7893c0c1dc60 Mon Sep 17 00:00:00 2001
From: John Ogness <john.ogness@linutronix.de>
Date: Wed, 17 Feb 2021 18:23:16 +0100
Subject: [PATCH 094/323] printk: kmsg_dump: use kmsg_dump_rewind
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.10/older/patches-5.10.204-rt100.tar.xz
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(-)
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 031ce3f00141..c553b235d068 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -3356,7 +3356,6 @@ void kmsg_dump(enum kmsg_dump_reason reason)
{
struct kmsg_dumper_iter iter;
struct kmsg_dumper *dumper;
- unsigned long flags;
rcu_read_lock();
list_for_each_entry_rcu(dumper, &dump_list, list) {
@@ -3375,10 +3374,7 @@ void kmsg_dump(enum kmsg_dump_reason reason)
/* 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);
--
2.43.0
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