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-rw-r--r--xen/Rules.mk3
1 files changed, 3 insertions, 0 deletions
diff --git a/xen/Rules.mk b/xen/Rules.mk
index 36292c92e5..43a4f63249 100644
--- a/xen/Rules.mk
+++ b/xen/Rules.mk
@@ -69,6 +69,9 @@ CFLAGS-$(frame_pointer) += -fno-omit-frame-pointer -DCONFIG_FRAME_POINTER
ifneq ($(max_phys_cpus),)
CFLAGS-y += -DMAX_PHYS_CPUS=$(max_phys_cpus)
endif
+ifneq ($(max_phys_irqs),)
+CFLAGS-y += -DMAX_PHYS_IRQS=$(max_phys_irqs)
+endif
AFLAGS-y += -D__ASSEMBLY__