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-rw-r--r--arch/arm64/include/asm/irq.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/irq.h b/arch/arm64/include/asm/irq.h
index b2b0c6405eb0..882de50937e9 100644
--- a/arch/arm64/include/asm/irq.h
+++ b/arch/arm64/include/asm/irq.h
@@ -6,6 +6,15 @@
#include <asm-generic/irq.h>
+/* Platforms with multiple SR-IOV capable PCI devices will
+ * need large number of MSIX vectors, hence keep this number
+ * fairly high.
+ */
+#ifdef CONFIG_PCI_MSI
+#undef NR_IRQS
+#define NR_IRQS 65536
+#endif
+
struct pt_regs;
static inline int nr_legacy_irqs(void)