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| author | Thomas Gleixner <tglx@linutronix.de> | 2016-08-22 10:34:13 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2016-08-22 10:34:13 +0200 |
| commit | d16c995fe43021c765186bf8b9f7e1cc4b043232 (patch) | |
| tree | 67eed481534bc6c7102110e65ab4c6ee9e0b786a /kernel/time/timer.c | |
| parent | f3b0946d629c8bfbd3e5f038e30cb9c711a35f10 (diff) | |
| parent | 7611da865c1060b2a7c87a15de663a59035747f8 (diff) | |
| download | linux-d16c995fe43021c765186bf8b9f7e1cc4b043232.tar.gz linux-d16c995fe43021c765186bf8b9f7e1cc4b043232.tar.bz2 linux-d16c995fe43021c765186bf8b9f7e1cc4b043232.zip | |
Merge tag 'irqchip-for-4.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent
Pull genirq/irqchip fixes for 4.8-rc4 from Marc Zygnier
- A critical fix for chained irqchip where we failed to configure
the cascade interrupt trigger
- A GIC fix for self-IPI in SMP-on-UP configurations
- A PM fix for GICv3
- A initialization fix the the GICv3 ITS, triggered by kexec
Diffstat (limited to 'kernel/time/timer.c')
| -rw-r--r-- | kernel/time/timer.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/time/timer.c b/kernel/time/timer.c index 555670a5143c..32bf6f75a8fe 100644 --- a/kernel/time/timer.c +++ b/kernel/time/timer.c @@ -1496,6 +1496,7 @@ u64 get_next_timer_interrupt(unsigned long basej, u64 basem) struct timer_base *base = this_cpu_ptr(&timer_bases[BASE_STD]); u64 expires = KTIME_MAX; unsigned long nextevt; + bool is_max_delta; /* * Pretend that there is no timer pending if the cpu is offline. @@ -1506,6 +1507,7 @@ u64 get_next_timer_interrupt(unsigned long basej, u64 basem) spin_lock(&base->lock); nextevt = __next_timer_interrupt(base); + is_max_delta = (nextevt == base->clk + NEXT_TIMER_MAX_DELTA); base->next_expiry = nextevt; /* * We have a fresh next event. Check whether we can forward the base: @@ -1519,7 +1521,8 @@ u64 get_next_timer_interrupt(unsigned long basej, u64 basem) expires = basem; base->is_idle = false; } else { - expires = basem + (nextevt - basej) * TICK_NSEC; + if (!is_max_delta) + expires = basem + (nextevt - basej) * TICK_NSEC; /* * If we expect to sleep more than a tick, mark the base idle: */ |