um: Kconfig.common: enabled SPARSE_IRQ.
um: kernel/irq: arch_probe_nr_irqs is implemented to prevent use of the default.
Signed-off-by: Sinan Nalkaya <sar...@gmail.com>
---
arch/um/Kconfig.common | 1 +
arch/um/kernel/irq.c | 7 +++++++
2 files changed, 8 insertions(+)
diff --git a/arch/um/Kconfig.common b/arch/um/Kconfig.common
index 648121b..8335fdd 100644
--- a/arch/um/Kconfig.common
+++ b/arch/um/Kconfig.common
@@ -12,6 +12,7 @@ config UML
select GENERIC_CPU_DEVICES
select GENERIC_IO
select GENERIC_CLOCKEVENTS
+ select SPARSE_IRQ
config MMU
bool
diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c
index 36e12f0..93615f0 100644
--- a/arch/um/kernel/irq.c
+++ b/arch/um/kernel/irq.c
@@ -356,6 +356,13 @@ void __init init_IRQ(void)
irq_set_chip_and_handler(i, &normal_irq_type, handle_edge_irq);
}
+#ifdef CONFIG_SPARSE_IRQ
+int __init arch_probe_nr_irqs(void)
+{
+ return NR_IRQS;
+}
+#endif
+
/*
* IRQ stack entry and exit:
*
--
1.7.10.4
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