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Message-Id: <20240911-devel-anna-maria-b4-timers-ptp-timekeeping-v1-23-f7cae09e25d6@linutronix.de>
Date: Wed, 11 Sep 2024 15:30:07 +0200
From: Anna-Maria Behnsen <anna-maria@...utronix.de>
To: John Stultz <jstultz@...gle.com>,
Frederic Weisbecker <frederic@...nel.org>,
Thomas Gleixner <tglx@...utronix.de>
Cc: linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
Miroslav Lichvar <mlichvar@...hat.com>,
Richard Cochran <richardcochran@...il.com>,
Christopher S Hall <christopher.s.hall@...el.com>,
Anna-Maria Behnsen <anna-maria@...utronix.de>
Subject: [PATCH 23/24] timekeeping: Remove TK_MIRROR timekeeping_update()
action
All call sites of using TK_MIRROR flag in timekeeping_update() are
gone. The TK_MIRROR dependent code path is therefore dead code.
Remove it along with the TK_MIRROR define.
Signed-off-by: Anna-Maria Behnsen <anna-maria@...utronix.de>
---
kernel/time/timekeeping.c | 10 +---------
1 file changed, 1 insertion(+), 9 deletions(-)
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index cbca0351ceca..6aa77cec23f8 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -30,8 +30,7 @@
#include "timekeeping_internal.h"
#define TK_CLEAR_NTP (1 << 0)
-#define TK_MIRROR (1 << 1)
-#define TK_CLOCK_WAS_SET (1 << 2)
+#define TK_CLOCK_WAS_SET (1 << 1)
#define TK_UPDATE_ALL (TK_CLEAR_NTP | TK_CLOCK_WAS_SET)
@@ -797,13 +796,6 @@ static void timekeeping_update(struct tk_data *tkd, struct timekeeper *tk, unsig
if (action & TK_CLOCK_WAS_SET)
tk->clock_was_set_seq++;
- /*
- * The mirroring of the data to the shadow-timekeeper needs
- * to happen last here to ensure we don't over-write the
- * timekeeper structure on the next update with stale data
- */
- if (action & TK_MIRROR)
- timekeeping_restore_shadow(tkd);
}
static void timekeeping_update_staged(struct tk_data *tkd, unsigned int action)
--
2.39.2
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