redonkable/alistair23-linux
redonkable/alistair23-linux
1
0
Fork 0
Code Releases Activity

Merge branch 'clocks/broadcast-arm' of git://linux-arm.org/linux-mr into for-rmk/broadcast

Browse source
This commit is contained in:
Will Deacon 2013-02-01 10:17:57 +00:00
parent d954896edb 3d06770eef
commit 5b91ab0abc
2 changed files with 5 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
arch/arm/Kconfig
View file

@ -4,6 +4,7 @@ config ARM
select ARCH_BINFMT_ELF_RANDOMIZE_PIE
select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
select ARCH_HAVE_CUSTOM_GPIO_H
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_WANT_IPC_PARSE_VERSION
select BUILDTIME_EXTABLE_SORT if MMU
select CPU_PM if (SUSPEND || CPU_IDLE)

13
arch/arm/kernel/smp.c
View file

@ -475,14 +475,8 @@ u64 smp_irq_stat_cpu(unsigned int cpu)
*/
static DEFINE_PER_CPU(struct clock_event_device, percpu_clockevent);
static void ipi_timer(void)
{
struct clock_event_device *evt = &__get_cpu_var(percpu_clockevent);
evt->event_handler(evt);
}
#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
static void smp_timer_broadcast(const struct cpumask *mask)
void tick_broadcast(const struct cpumask *mask)
{
smp_cross_call(mask, IPI_TIMER);
}
@ -530,7 +524,6 @@ static void __cpuinit percpu_timer_setup(void)
struct clock_event_device *evt = &per_cpu(percpu_clockevent, cpu);
evt->cpumask = cpumask_of(cpu);
evt->broadcast = smp_timer_broadcast;
if (!lt_ops || lt_ops->setup(evt))
broadcast_timer_setup(evt);
@ -596,11 +589,13 @@ void handle_IPI(int ipinr, struct pt_regs *regs)
case IPI_WAKEUP:
break;
#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
case IPI_TIMER:
irq_enter();
ipi_timer();
tick_receive_broadcast();
irq_exit();
break;
#endif
case IPI_RESCHEDULE:
scheduler_ipi();