diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index d1584bdb3b..cecac4c0a1 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -26,6 +26,7 @@
 #include "cpu-qom.h"
 #include "exec/cpu-defs.h"
 #include "qapi/qapi-types-common.h"
+#include "target/arm/multiprocessing.h"
 
 /* ARM processors have a weak memory model */
 #define TCG_GUEST_DEFAULT_MO      (0)
@@ -1173,11 +1174,6 @@ void arm_cpu_post_init(Object *obj);
 
 uint64_t arm_build_mp_affinity(int idx, uint8_t clustersz);
 
-static inline uint64_t arm_cpu_mp_affinity(ARMCPU *cpu)
-{
-    return cpu->mp_affinity;
-}
-
 #ifndef CONFIG_USER_ONLY
 extern const VMStateDescription vmstate_arm_cpu;
 
diff --git a/target/arm/multiprocessing.h b/target/arm/multiprocessing.h
new file mode 100644
index 0000000000..81715d345c
--- /dev/null
+++ b/target/arm/multiprocessing.h
@@ -0,0 +1,16 @@
+/*
+ * ARM multiprocessor CPU helpers
+ *
+ *  Copyright (c) 2003 Fabrice Bellard
+ *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ */
+
+#ifndef TARGET_ARM_MULTIPROCESSING_H
+#define TARGET_ARM_MULTIPROCESSING_H
+
+#include "target/arm/cpu-qom.h"
+
+uint64_t arm_cpu_mp_affinity(ARMCPU *cpu);
+
+#endif
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 2127778c1e..43ccc60f43 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -59,6 +59,7 @@
 #include "hw/acpi/ghes.h"
 #include "hw/acpi/viot.h"
 #include "hw/virtio/virtio-acpi.h"
+#include "target/arm/multiprocessing.h"
 
 #define ARM_SPI_BASE 32
 
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 34cba9ebd8..beba151620 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -74,6 +74,7 @@
 #include "hw/arm/smmuv3.h"
 #include "hw/acpi/acpi.h"
 #include "target/arm/internals.h"
+#include "target/arm/multiprocessing.h"
 #include "hw/mem/pc-dimm.h"
 #include "hw/mem/nvdimm.h"
 #include "hw/acpi/generic_event_device.h"
diff --git a/hw/arm/xlnx-versal-virt.c b/hw/arm/xlnx-versal-virt.c
index 841ef69df6..29f4d2c2dc 100644
--- a/hw/arm/xlnx-versal-virt.c
+++ b/hw/arm/xlnx-versal-virt.c
@@ -20,6 +20,7 @@
 #include "hw/qdev-properties.h"
 #include "hw/arm/xlnx-versal.h"
 #include "hw/arm/boot.h"
+#include "target/arm/multiprocessing.h"
 #include "qom/object.h"
 
 #define TYPE_XLNX_VERSAL_VIRT_MACHINE MACHINE_TYPE_NAME("xlnx-versal-virt")
diff --git a/hw/misc/xlnx-versal-crl.c b/hw/misc/xlnx-versal-crl.c
index 9bfa9baa15..1f1762ef16 100644
--- a/hw/misc/xlnx-versal-crl.c
+++ b/hw/misc/xlnx-versal-crl.c
@@ -19,6 +19,7 @@
 #include "hw/resettable.h"
 
 #include "target/arm/arm-powerctl.h"
+#include "target/arm/multiprocessing.h"
 #include "hw/misc/xlnx-versal-crl.h"
 
 #ifndef XLNX_VERSAL_CRL_ERR_DEBUG
diff --git a/target/arm/arm-powerctl.c b/target/arm/arm-powerctl.c
index 6c86e90102..2b2055c6ac 100644
--- a/target/arm/arm-powerctl.c
+++ b/target/arm/arm-powerctl.c
@@ -16,6 +16,7 @@
 #include "qemu/log.h"
 #include "qemu/main-loop.h"
 #include "sysemu/tcg.h"
+#include "target/arm/multiprocessing.h"
 
 #ifndef DEBUG_ARM_POWERCTL
 #define DEBUG_ARM_POWERCTL 0
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 0bbba48faa..89e44a31fd 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -1314,6 +1314,11 @@ uint64_t arm_build_mp_affinity(int idx, uint8_t clustersz)
     return (Aff1 << ARM_AFF1_SHIFT) | Aff0;
 }
 
+uint64_t arm_cpu_mp_affinity(ARMCPU *cpu)
+{
+    return cpu->mp_affinity;
+}
+
 static void arm_cpu_initfn(Object *obj)
 {
     ARMCPU *cpu = ARM_CPU(obj);
diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c
index 659401e12c..71a26db188 100644
--- a/target/arm/hvf/hvf.c
+++ b/target/arm/hvf/hvf.c
@@ -28,6 +28,7 @@
 #include "arm-powerctl.h"
 #include "target/arm/cpu.h"
 #include "target/arm/internals.h"
+#include "target/arm/multiprocessing.h"
 #include "trace/trace-target_arm_hvf.h"
 #include "migration/vmstate.h"
 
diff --git a/target/arm/tcg/psci.c b/target/arm/tcg/psci.c
index 50d4b23d26..51d2ca3d30 100644
--- a/target/arm/tcg/psci.c
+++ b/target/arm/tcg/psci.c
@@ -24,6 +24,7 @@
 #include "sysemu/runstate.h"
 #include "internals.h"
 #include "arm-powerctl.h"
+#include "target/arm/multiprocessing.h"
 
 bool arm_is_psci_call(ARMCPU *cpu, int excp_type)
 {
