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Message-ID: <174672686902.406.14161273108311252606.tip-bot2@tip-bot2>
Date: Thu, 08 May 2025 17:54:29 -0000
From: "tip-bot2 for Ingo Molnar" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Ingo Molnar <mingo@...nel.org>, Thomas Gleixner <tglx@...utronix.de>,
x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [tip: timers/cleanups] timers: Rename NEXT_TIMER_MAX_DELTA as
TIMER_NEXT_MAX_DELTA
The following commit has been merged into the timers/cleanups branch of tip:
Commit-ID: 220beffd36c26ac68e1c646f91b7ddf4f39039e6
Gitweb: https://git.kernel.org/tip/220beffd36c26ac68e1c646f91b7ddf4f39039e6
Author: Ingo Molnar <mingo@...nel.org>
AuthorDate: Wed, 07 May 2025 19:53:34 +02:00
Committer: Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Thu, 08 May 2025 19:49:33 +02:00
timers: Rename NEXT_TIMER_MAX_DELTA as TIMER_NEXT_MAX_DELTA
Move this macro to the canonical TIMER_* namespace.
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Link: https://lore.kernel.org/all/20250507175338.672442-7-mingo@kernel.org
---
arch/powerpc/kvm/booke.c | 8 ++++----
include/linux/timer.h | 2 +-
kernel/time/timer.c | 12 ++++++------
3 files changed, 11 insertions(+), 11 deletions(-)
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index 6a48059..791d194 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -572,7 +572,7 @@ static int kvmppc_booke_irqprio_deliver(struct kvm_vcpu *vcpu,
/*
* Return the number of jiffies until the next timeout. If the timeout is
- * longer than the NEXT_TIMER_MAX_DELTA, then return NEXT_TIMER_MAX_DELTA
+ * longer than the TIMER_NEXT_MAX_DELTA, then return TIMER_NEXT_MAX_DELTA
* because the larger value can break the timer APIs.
*/
static unsigned long watchdog_next_timeout(struct kvm_vcpu *vcpu)
@@ -598,7 +598,7 @@ static unsigned long watchdog_next_timeout(struct kvm_vcpu *vcpu)
if (do_div(nr_jiffies, tb_ticks_per_jiffy))
nr_jiffies++;
- return min_t(unsigned long long, nr_jiffies, NEXT_TIMER_MAX_DELTA);
+ return min_t(unsigned long long, nr_jiffies, TIMER_NEXT_MAX_DELTA);
}
static void arm_next_watchdog(struct kvm_vcpu *vcpu)
@@ -616,10 +616,10 @@ static void arm_next_watchdog(struct kvm_vcpu *vcpu)
spin_lock_irqsave(&vcpu->arch.wdt_lock, flags);
nr_jiffies = watchdog_next_timeout(vcpu);
/*
- * If the number of jiffies of watchdog timer >= NEXT_TIMER_MAX_DELTA
+ * If the number of jiffies of watchdog timer >= TIMER_NEXT_MAX_DELTA
* then do not run the watchdog timer as this can break timer APIs.
*/
- if (nr_jiffies < NEXT_TIMER_MAX_DELTA)
+ if (nr_jiffies < TIMER_NEXT_MAX_DELTA)
mod_timer(&vcpu->arch.wdt_timer, jiffies + nr_jiffies);
else
timer_delete(&vcpu->arch.wdt_timer);
diff --git a/include/linux/timer.h b/include/linux/timer.h
index 4e1237f..68cf8e2 100644
--- a/include/linux/timer.h
+++ b/include/linux/timer.h
@@ -156,7 +156,7 @@ extern int timer_reduce(struct timer_list *timer, unsigned long expires);
* The jiffies value which is added to now, when there is no timer
* in the timer wheel:
*/
-#define NEXT_TIMER_MAX_DELTA ((1UL << 30) - 1)
+#define TIMER_NEXT_MAX_DELTA ((1UL << 30) - 1)
extern void add_timer(struct timer_list *timer);
extern void add_timer_local(struct timer_list *timer);
diff --git a/kernel/time/timer.c b/kernel/time/timer.c
index 6f520e5..11c6a11 100644
--- a/kernel/time/timer.c
+++ b/kernel/time/timer.c
@@ -1900,7 +1900,7 @@ static void timer_recalc_next_expiry(struct timer_base *base)
unsigned long clk, next, adj;
unsigned lvl, offset = 0;
- next = base->clk + NEXT_TIMER_MAX_DELTA;
+ next = base->clk + TIMER_NEXT_MAX_DELTA;
clk = base->clk;
for (lvl = 0; lvl < LVL_DEPTH; lvl++, offset += LVL_SIZE) {
int pos = next_pending_bucket(base, offset, clk & LVL_MASK);
@@ -1963,7 +1963,7 @@ static void timer_recalc_next_expiry(struct timer_base *base)
WRITE_ONCE(base->next_expiry, next);
base->next_expiry_recalc = false;
- base->timers_pending = !(next == base->clk + NEXT_TIMER_MAX_DELTA);
+ base->timers_pending = !(next == base->clk + TIMER_NEXT_MAX_DELTA);
}
#ifdef CONFIG_NO_HZ_COMMON
@@ -2015,7 +2015,7 @@ static unsigned long next_timer_interrupt(struct timer_base *base,
* easy comparable to find out which base holds the first pending timer.
*/
if (!base->timers_pending)
- WRITE_ONCE(base->next_expiry, basej + NEXT_TIMER_MAX_DELTA);
+ WRITE_ONCE(base->next_expiry, basej + TIMER_NEXT_MAX_DELTA);
return base->next_expiry;
}
@@ -2399,7 +2399,7 @@ static inline void __run_timers(struct timer_base *base)
* timer at this clk are that all matching timers have been
* dequeued or no timer has been queued since
* base::next_expiry was set to base::clk +
- * NEXT_TIMER_MAX_DELTA.
+ * TIMER_NEXT_MAX_DELTA.
*/
WARN_ON_ONCE(!levels && !base->next_expiry_recalc
&& base->timers_pending);
@@ -2544,7 +2544,7 @@ int timers_prepare_cpu(unsigned int cpu)
for (b = 0; b < NR_BASES; b++) {
base = per_cpu_ptr(&timer_bases[b], cpu);
base->clk = jiffies;
- base->next_expiry = base->clk + NEXT_TIMER_MAX_DELTA;
+ base->next_expiry = base->clk + TIMER_NEXT_MAX_DELTA;
base->next_expiry_recalc = false;
base->timers_pending = false;
base->is_idle = false;
@@ -2599,7 +2599,7 @@ static void __init init_timer_cpu(int cpu)
base->cpu = cpu;
raw_spin_lock_init(&base->lock);
base->clk = jiffies;
- base->next_expiry = base->clk + NEXT_TIMER_MAX_DELTA;
+ base->next_expiry = base->clk + TIMER_NEXT_MAX_DELTA;
timer_base_init_expiry_lock(base);
}
}
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