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powerpc: move timer broadcast code under GENERIC_CLOCKEVENTS_BROADCAST ifdef

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Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Nicholas Piggin 2018-05-05 03:19:33 +10:00 • committed by Michael Ellerman
parent a7cba02dec
commit bc90711331
2 changed files with 10 additions and 0 deletions
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8
arch/powerpc/kernel/smp.c
View file

@ -156,11 +156,13 @@ static irqreturn_t reschedule_action(int irq, void *data)
return IRQ_HANDLED;
}
#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
static irqreturn_t tick_broadcast_ipi_action(int irq, void *data)
{
timer_broadcast_interrupt();
return IRQ_HANDLED;
}
#endif
#ifdef CONFIG_NMI_IPI
static irqreturn_t nmi_ipi_action(int irq, void *data)
@ -173,7 +175,9 @@ static irqreturn_t nmi_ipi_action(int irq, void *data)
static irq_handler_t smp_ipi_action[] = {
[PPC_MSG_CALL_FUNCTION] = call_function_action,
[PPC_MSG_RESCHEDULE] = reschedule_action,
#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
[PPC_MSG_TICK_BROADCAST] = tick_broadcast_ipi_action,
#endif
#ifdef CONFIG_NMI_IPI
[PPC_MSG_NMI_IPI] = nmi_ipi_action,
#endif
@ -187,7 +191,9 @@ static irq_handler_t smp_ipi_action[] = {
const char *smp_ipi_name[] = {
[PPC_MSG_CALL_FUNCTION] = "ipi call function",
[PPC_MSG_RESCHEDULE] = "ipi reschedule",
#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
[PPC_MSG_TICK_BROADCAST] = "ipi tick-broadcast",
#endif
[PPC_MSG_NMI_IPI] = "nmi ipi",
};
@ -278,8 +284,10 @@ irqreturn_t smp_ipi_demux_relaxed(void)
generic_smp_call_function_interrupt();
if (all & IPI_MESSAGE(PPC_MSG_RESCHEDULE))
scheduler_ipi();
#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
if (all & IPI_MESSAGE(PPC_MSG_TICK_BROADCAST))
timer_broadcast_interrupt();
#endif
#ifdef CONFIG_NMI_IPI
if (all & IPI_MESSAGE(PPC_MSG_NMI_IPI))
nmi_ipi_action(0, NULL);

2
arch/powerpc/kernel/time.c
View file

@ -643,6 +643,7 @@ void timer_interrupt(struct pt_regs *regs)
}
EXPORT_SYMBOL(timer_interrupt);
#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
void timer_broadcast_interrupt(void)
{
u64 *next_tb = this_cpu_ptr(&decrementers_next_tb);
@ -654,6 +655,7 @@ void timer_broadcast_interrupt(void)
__this_cpu_inc(irq_stat.timer_irqs_event);
trace_timer_interrupt_exit(regs);
}
#endif
/*
* Hypervisor decrementer interrupts shouldn't occur but are sometimes