[PATCH] arm64: ipi_teardown() should depend on HOTPLUG_CPU
Sergey Senozhatsky
sergey.senozhatsky at gmail.com
Fri Sep 18 11:35:48 EDT 2020
ipi_teardown() is used only when CONFIG_HOTPLUG_CPU is set.
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky at gmail.com>
---
arch/arm64/kernel/smp.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
index b6bde2675ccc..82e75fc2c903 100644
--- a/arch/arm64/kernel/smp.c
+++ b/arch/arm64/kernel/smp.c
@@ -82,9 +82,9 @@ static int nr_ipi __read_mostly = NR_IPI;
static struct irq_desc *ipi_desc[NR_IPI] __read_mostly;
static void ipi_setup(int cpu);
-static void ipi_teardown(int cpu);
#ifdef CONFIG_HOTPLUG_CPU
+static void ipi_teardown(int cpu);
static int op_cpu_kill(unsigned int cpu);
#else
static inline int op_cpu_kill(unsigned int cpu)
@@ -964,6 +964,7 @@ static void ipi_setup(int cpu)
enable_percpu_irq(ipi_irq_base + i, 0);
}
+#ifdef CONFIG_HOTPLUG_CPU
static void ipi_teardown(int cpu)
{
int i;
@@ -974,6 +975,7 @@ static void ipi_teardown(int cpu)
for (i = 0; i < nr_ipi; i++)
disable_percpu_irq(ipi_irq_base + i);
}
+#endif
void __init set_smp_ipi_range(int ipi_base, int n)
{
--
2.28.0
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