From 66a45e662dc7ecb7e9b519d3475c7893c0c1dc60 Mon Sep 17 00:00:00 2001 From: John Ogness 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 Signed-off-by: Sebastian Andrzej Siewior --- 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