diff --git a/qemu/target/i386/cpu.h b/qemu/target/i386/cpu.h
index 7ada07d8..98b8dc30 100644
--- a/qemu/target/i386/cpu.h
+++ b/qemu/target/i386/cpu.h
@@ -1765,8 +1765,8 @@ static inline void cpu_set_fpuc(CPUX86State *env, uint16_t fpuc)
 /* svm_helper.c */
 void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
                                    uint64_t param, uintptr_t retaddr);
-void cpu_vmexit(CPUX86State *nenv, uint32_t exit_code, uint64_t exit_info_1,
-                uintptr_t retaddr);
+void QEMU_NORETURN cpu_vmexit(CPUX86State *nenv, uint32_t exit_code,
+                              uint64_t exit_info_1, uintptr_t retaddr);
 void do_vmexit(CPUX86State *env, uint32_t exit_code, uint64_t exit_info_1);
 
 /* seg_helper.c */
diff --git a/qemu/target/i386/svm_helper.c b/qemu/target/i386/svm_helper.c
index e18ba9e3..8307f95d 100644
--- a/qemu/target/i386/svm_helper.c
+++ b/qemu/target/i386/svm_helper.c
@@ -63,6 +63,7 @@ void helper_invlpga(CPUX86State *env, int aflag)
 void cpu_vmexit(CPUX86State *nenv, uint32_t exit_code, uint64_t exit_info_1,
                 uintptr_t retaddr)
 {
+    assert(0);
 }
 
 void helper_svm_check_intercept_param(CPUX86State *env, uint32_t type,