commit bc9071133144acdbdb28cfc6ee5ce983d8fd5f81
author Nicholas Piggin <npiggin@gmail.com> Sat May 05 03:19:33 2018 +1000
committer Michael Ellerman <mpe@ellerman.id.au> Sun Jun 03 20:40:28 2018 +1000
tree 56d60aaf8324ed1e30d37dc76f1b075dccfa486d
parent a7cba02deceda96df8018a827e6715d6f37be7b5

powerpc: move timer broadcast code under GENERIC_CLOCKEVENTS_BROADCAST ifdef

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/kernel/smp.c

diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index f66eec8..6f5e3a6 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -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);

arch/powerpc/kernel/time.c

diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 5862a36..23921f7 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -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