diff --git a/arch/arm64/include/asm/fpsimd.h b/arch/arm64/include/asm/fpsimd.h
index fa92747a49c8..dd1ad3950ef5 100644
--- a/arch/arm64/include/asm/fpsimd.h
+++ b/arch/arm64/include/asm/fpsimd.h
@@ -16,13 +16,15 @@
 #ifndef __ASM_FP_H
 #define __ASM_FP_H
 
-#include <asm/ptrace.h>
 #include <asm/errno.h>
+#include <asm/ptrace.h>
 #include <asm/processor.h>
 #include <asm/sigcontext.h>
+#include <asm/sysreg.h>
 
 #ifndef __ASSEMBLY__
 
+#include <linux/build_bug.h>
 #include <linux/cache.h>
 #include <linux/init.h>
 #include <linux/stddef.h>
@@ -102,6 +104,16 @@ extern int sve_set_vector_length(struct task_struct *task,
 extern int sve_set_current_vl(unsigned long arg);
 extern int sve_get_current_vl(void);
 
+static inline void sve_user_disable(void)
+{
+	sysreg_clear_set(cpacr_el1, CPACR_EL1_ZEN_EL0EN, 0);
+}
+
+static inline void sve_user_enable(void)
+{
+	sysreg_clear_set(cpacr_el1, 0, CPACR_EL1_ZEN_EL0EN);
+}
+
 /*
  * Probing and setup functions.
  * Calls to these functions must be serialised with one another.
@@ -128,6 +140,9 @@ static inline int sve_get_current_vl(void)
 	return -EINVAL;
 }
 
+static inline void sve_user_disable(void) { BUILD_BUG(); }
+static inline void sve_user_enable(void) { BUILD_BUG(); }
+
 static inline void sve_init_vq_map(void) { }
 static inline void sve_update_vq_map(void) { }
 static inline int sve_verify_vq_map(void) { return 0; }
diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c
index a98a7f96aff1..58c53bc96928 100644
--- a/arch/arm64/kernel/fpsimd.c
+++ b/arch/arm64/kernel/fpsimd.c
@@ -159,16 +159,6 @@ static void sve_free(struct task_struct *task)
 	__sve_free(task);
 }
 
-static void sve_user_disable(void)
-{
-	sysreg_clear_set(cpacr_el1, CPACR_EL1_ZEN_EL0EN, 0);
-}
-
-static void sve_user_enable(void)
-{
-	sysreg_clear_set(cpacr_el1, 0, CPACR_EL1_ZEN_EL0EN);
-}
-
 /*
  * TIF_SVE controls whether a task can use SVE without trapping while
  * in userspace, and also the way a task's FPSIMD/SVE state is stored