From 983d7f83616922a6439b4352d1b3af488ee27f95 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 22 Nov 2023 02:45:30 +0000
Subject: [PATCH] disable uart0 uart7 uart9
---
kernel/kernel/time/timekeeping.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/kernel/kernel/time/timekeeping.c b/kernel/kernel/time/timekeeping.c
index a1e14ef..0343c5d 100644
--- a/kernel/kernel/time/timekeeping.c
+++ b/kernel/kernel/time/timekeeping.c
@@ -2397,8 +2397,10 @@
*/
void xtime_update(unsigned long ticks)
{
- write_seqlock(&jiffies_lock);
+ raw_spin_lock(&jiffies_lock);
+ write_seqcount_begin(&jiffies_seq);
do_timer(ticks);
- write_sequnlock(&jiffies_lock);
+ write_seqcount_end(&jiffies_seq);
+ raw_spin_unlock(&jiffies_lock);
update_wall_time();
}
--
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