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timekeeping: Remove TK_MIRROR timekeeping_update() action

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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@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: John Stultz <jstultz@google.com>
Link: https://lore.kernel.org/all/20241009-devel-anna-maria-b4-timers-ptp-timekeeping-v2-24-554456a44a15@linutronix.de
This commit is contained in:
Anna-Maria Behnsen 2024-10-09 10:29:17 +02:00 committed by Thomas Gleixner
parent ae455cb7b8
commit 0026766dfd
1 changed files with 1 additions and 9 deletions
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10
kernel/time/timekeeping.c
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@ -30,8 +30,7 @@
#include "timekeeping_internal.h" #include "timekeeping_internal.h"
#define TK_CLEAR_NTP (1 << 0) #define TK_CLEAR_NTP (1 << 0)
#define TK_MIRROR (1 << 1) #define TK_CLOCK_WAS_SET (1 << 1)
#define TK_CLOCK_WAS_SET (1 << 2)
#define TK_UPDATE_ALL (TK_CLEAR_NTP | TK_CLOCK_WAS_SET) #define TK_UPDATE_ALL (TK_CLEAR_NTP | TK_CLOCK_WAS_SET)
@ -816,13 +815,6 @@ static void timekeeping_update(struct tk_data *tkd, struct timekeeper *tk, unsig
if (action & TK_CLOCK_WAS_SET) if (action & TK_CLOCK_WAS_SET)
tk->clock_was_set_seq++; 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_from_shadow(struct tk_data *tkd, unsigned int action) static void timekeeping_update_from_shadow(struct tk_data *tkd, unsigned int action)