Merging upstream version 6.9.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 23 insertions, 21 deletions

diff --git a/kernel/time/tick-sched.h b/kernel/time/tick-sched.h
index 5ed5a9d41d..b4a7822f49 100644
--- a/kernel/time/tick-sched.h
+++ b/kernel/time/tick-sched.h
@@ -14,20 +14,26 @@ struct tick_device {
 	enum tick_device_mode mode;
 };
 
-enum tick_nohz_mode {
-	NOHZ_MODE_INACTIVE,
-	NOHZ_MODE_LOWRES,
-	NOHZ_MODE_HIGHRES,
-};
+/* The CPU is in the tick idle mode */
+#define TS_FLAG_INIDLE		BIT(0)
+/* The idle tick has been stopped */
+#define TS_FLAG_STOPPED		BIT(1)
+/*
+ * Indicator that the CPU is actively in the tick idle mode;
+ * it is reset during irq handling phases.
+ */
+#define TS_FLAG_IDLE_ACTIVE	BIT(2)
+/* CPU was the last one doing do_timer before going idle */
+#define TS_FLAG_DO_TIMER_LAST	BIT(3)
+/* NO_HZ is enabled */
+#define TS_FLAG_NOHZ		BIT(4)
+/* High resolution tick mode */
+#define TS_FLAG_HIGHRES		BIT(5)
 
 /**
  * struct tick_sched - sched tick emulation and no idle tick control/stats
  *
- * @inidle:		Indicator that the CPU is in the tick idle mode
- * @tick_stopped:	Indicator that the idle tick has been stopped
- * @idle_active:	Indicator that the CPU is actively in the tick idle mode;
- *			it is reset during irq handling phases.
- * @do_timer_last:	CPU was the last one doing do_timer before going idle
+ * @flags:		State flags gathering the TS_FLAG_* features
  * @got_idle_tick:	Tick timer function has run with @inidle set
  * @stalled_jiffies:	Number of stalled jiffies detected across ticks
  * @last_tick_jiffies:	Value of jiffies seen on last tick
@@ -40,8 +46,8 @@ enum tick_nohz_mode {
  * @next_tick:		Next tick to be fired when in dynticks mode.
  * @idle_jiffies:	jiffies at the entry to idle for idle time accounting
  * @idle_waketime:	Time when the idle was interrupted
+ * @idle_sleeptime_seq:	sequence counter for data consistency
  * @idle_entrytime:	Time when the idle call was entered
- * @nohz_mode:		Mode - one state of tick_nohz_mode
  * @last_jiffies:	Base jiffies snapshot when next event was last computed
  * @timer_expires_base:	Base time clock monotonic for @timer_expires
  * @timer_expires:	Anticipated timer expiration time (in case sched tick is stopped)
@@ -57,11 +63,7 @@ enum tick_nohz_mode {
  */
 struct tick_sched {
 	/* Common flags */
-	unsigned int			inidle		: 1;
-	unsigned int			tick_stopped	: 1;
-	unsigned int			idle_active	: 1;
-	unsigned int			do_timer_last	: 1;
-	unsigned int			got_idle_tick	: 1;
+	unsigned long			flags;
 
 	/* Tick handling: jiffies stall check */
 	unsigned int			stalled_jiffies;
@@ -73,13 +75,13 @@ struct tick_sched {
 	ktime_t				next_tick;
 	unsigned long			idle_jiffies;
 	ktime_t				idle_waketime;
+	unsigned int			got_idle_tick;
 
 	/* Idle entry */
 	seqcount_t			idle_sleeptime_seq;
 	ktime_t				idle_entrytime;
 
 	/* Tick stop */
-	enum tick_nohz_mode		nohz_mode;
 	unsigned long			last_jiffies;
 	u64				timer_expires_base;
 	u64				timer_expires;
@@ -102,11 +104,11 @@ struct tick_sched {
 
 extern struct tick_sched *tick_get_tick_sched(int cpu);
 
-extern void tick_setup_sched_timer(void);
-#if defined CONFIG_NO_HZ_COMMON || defined CONFIG_HIGH_RES_TIMERS
-extern void tick_cancel_sched_timer(int cpu);
+extern void tick_setup_sched_timer(bool hrtimer);
+#if defined CONFIG_TICK_ONESHOT
+extern void tick_sched_timer_dying(int cpu);
 #else
-static inline void tick_cancel_sched_timer(int cpu) { }
+static inline void tick_sched_timer_dying(int cpu) { }
 #endif
 
 #ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST