diff --git a/linux-user/aarch64/target_cpu.h b/linux-user/aarch64/target_cpu.h
index a021c95fa4..130177115e 100644
--- a/linux-user/aarch64/target_cpu.h
+++ b/linux-user/aarch64/target_cpu.h
@@ -19,7 +19,8 @@
 #ifndef AARCH64_TARGET_CPU_H
 #define AARCH64_TARGET_CPU_H
 
-static inline void cpu_clone_regs(CPUARMState *env, target_ulong newsp)
+static inline void cpu_clone_regs(CPUARMState *env, CPUARMState *old_env,
+                                  target_ulong newsp)
 {
     if (newsp) {
         env->xregs[31] = newsp;
diff --git a/linux-user/alpha/target_cpu.h b/linux-user/alpha/target_cpu.h
index ac4d255ae7..750ffb50d7 100644
--- a/linux-user/alpha/target_cpu.h
+++ b/linux-user/alpha/target_cpu.h
@@ -19,7 +19,8 @@
 #ifndef ALPHA_TARGET_CPU_H
 #define ALPHA_TARGET_CPU_H
 
-static inline void cpu_clone_regs(CPUAlphaState *env, target_ulong newsp)
+static inline void cpu_clone_regs(CPUAlphaState *env, CPUAlphaState *old_env,
+                                  target_ulong newsp)
 {
     if (newsp) {
         env->ir[IR_SP] = newsp;
diff --git a/linux-user/arm/target_cpu.h b/linux-user/arm/target_cpu.h
index 8a3764919a..5538b6cb29 100644
--- a/linux-user/arm/target_cpu.h
+++ b/linux-user/arm/target_cpu.h
@@ -23,7 +23,8 @@
    See validate_guest_space in linux-user/elfload.c.  */
 #define MAX_RESERVED_VA  0xffff0000ul
 
-static inline void cpu_clone_regs(CPUARMState *env, target_ulong newsp)
+static inline void cpu_clone_regs(CPUARMState *env, CPUARMState *old_env,
+                                  target_ulong newsp)
 {
     if (newsp) {
         env->regs[13] = newsp;
diff --git a/linux-user/cris/target_cpu.h b/linux-user/cris/target_cpu.h
index 2309343979..baf842b400 100644
--- a/linux-user/cris/target_cpu.h
+++ b/linux-user/cris/target_cpu.h
@@ -20,7 +20,8 @@
 #ifndef CRIS_TARGET_CPU_H
 #define CRIS_TARGET_CPU_H
 
-static inline void cpu_clone_regs(CPUCRISState *env, target_ulong newsp)
+static inline void cpu_clone_regs(CPUCRISState *env, CPUCRISState *old_env,
+                                  target_ulong newsp)
 {
     if (newsp) {
         env->regs[14] = newsp;
diff --git a/linux-user/hppa/target_cpu.h b/linux-user/hppa/target_cpu.h
index 1c539bdbd6..7cd8d168a7 100644
--- a/linux-user/hppa/target_cpu.h
+++ b/linux-user/hppa/target_cpu.h
@@ -19,7 +19,8 @@
 #ifndef HPPA_TARGET_CPU_H
 #define HPPA_TARGET_CPU_H
 
-static inline void cpu_clone_regs(CPUHPPAState *env, target_ulong newsp)
+static inline void cpu_clone_regs(CPUHPPAState *env, CPUHPPAState *old_env,
+                                  target_ulong newsp)
 {
     if (newsp) {
         env->gr[30] = newsp;
diff --git a/linux-user/i386/target_cpu.h b/linux-user/i386/target_cpu.h
index ece04d0966..8fbe36670f 100644
--- a/linux-user/i386/target_cpu.h
+++ b/linux-user/i386/target_cpu.h
@@ -20,7 +20,8 @@
 #ifndef I386_TARGET_CPU_H
 #define I386_TARGET_CPU_H
 
-static inline void cpu_clone_regs(CPUX86State *env, target_ulong newsp)
+static inline void cpu_clone_regs(CPUX86State *env, CPUX86State *old_env,
+                                  target_ulong newsp)
 {
     if (newsp) {
         env->regs[R_ESP] = newsp;
diff --git a/linux-user/m68k/target_cpu.h b/linux-user/m68k/target_cpu.h
index 611df065ca..1f0939aea7 100644
--- a/linux-user/m68k/target_cpu.h
+++ b/linux-user/m68k/target_cpu.h
@@ -21,7 +21,8 @@
 #ifndef M68K_TARGET_CPU_H
 #define M68K_TARGET_CPU_H
 
-static inline void cpu_clone_regs(CPUM68KState *env, target_ulong newsp)
+static inline void cpu_clone_regs(CPUM68KState *env, CPUM68KState *old_env,
+                                  target_ulong newsp)
 {
     if (newsp) {
         env->aregs[7] = newsp;
diff --git a/linux-user/microblaze/target_cpu.h b/linux-user/microblaze/target_cpu.h
index 73e139938c..3394e98918 100644
--- a/linux-user/microblaze/target_cpu.h
+++ b/linux-user/microblaze/target_cpu.h
@@ -19,7 +19,8 @@
 #ifndef MICROBLAZE_TARGET_CPU_H
 #define MICROBLAZE_TARGET_CPU_H
 
-static inline void cpu_clone_regs(CPUMBState *env, target_ulong newsp)
+static inline void cpu_clone_regs(CPUMBState *env, CPUMBState *old_env,
+                                  target_ulong newsp)
 {
     if (newsp) {
         env->regs[R_SP] = newsp;
diff --git a/linux-user/mips/target_cpu.h b/linux-user/mips/target_cpu.h
index 02cf5eeff7..109348a5c9 100644
--- a/linux-user/mips/target_cpu.h
+++ b/linux-user/mips/target_cpu.h
@@ -19,7 +19,8 @@
 #ifndef MIPS_TARGET_CPU_H
 #define MIPS_TARGET_CPU_H
 
-static inline void cpu_clone_regs(CPUMIPSState *env, target_ulong newsp)
+static inline void cpu_clone_regs(CPUMIPSState *env, CPUMIPSState *old_env,
+                                  target_ulong newsp)
 {
     if (newsp) {
         env->active_tc.gpr[29] = newsp;
diff --git a/linux-user/nios2/target_cpu.h b/linux-user/nios2/target_cpu.h
index 14f63338fa..09d2db74dc 100644
--- a/linux-user/nios2/target_cpu.h
+++ b/linux-user/nios2/target_cpu.h
@@ -20,7 +20,8 @@
 #ifndef TARGET_CPU_H
 #define TARGET_CPU_H
 
-static inline void cpu_clone_regs(CPUNios2State *env, target_ulong newsp)
+static inline void cpu_clone_regs(CPUNios2State *env, CPUNios2State *old_env,
+                                  target_ulong newsp)
 {
     if (newsp) {
         env->regs[R_SP] = newsp;
diff --git a/linux-user/openrisc/target_cpu.h b/linux-user/openrisc/target_cpu.h
index d1ea4506e2..5ea3e1b1a6 100644
--- a/linux-user/openrisc/target_cpu.h
+++ b/linux-user/openrisc/target_cpu.h
@@ -20,7 +20,9 @@
 #ifndef OPENRISC_TARGET_CPU_H
 #define OPENRISC_TARGET_CPU_H
 
-static inline void cpu_clone_regs(CPUOpenRISCState *env, target_ulong newsp)
+static inline void cpu_clone_regs(CPUOpenRISCState *env,
+                                  CPUOpenRISCState *old_env,
+                                  target_ulong newsp)
 {
     if (newsp) {
         cpu_set_gpr(env, 1, newsp);
diff --git a/linux-user/ppc/target_cpu.h b/linux-user/ppc/target_cpu.h
index c4641834e7..f42e266047 100644
--- a/linux-user/ppc/target_cpu.h
+++ b/linux-user/ppc/target_cpu.h
@@ -19,7 +19,8 @@
 #ifndef PPC_TARGET_CPU_H
 #define PPC_TARGET_CPU_H
 
-static inline void cpu_clone_regs(CPUPPCState *env, target_ulong newsp)
+static inline void cpu_clone_regs(CPUPPCState *env, CPUPPCState *old_env,
+                                  target_ulong newsp)
 {
     if (newsp) {
         env->gpr[1] = newsp;
diff --git a/linux-user/riscv/target_cpu.h b/linux-user/riscv/target_cpu.h
index 7e090f376a..b112832d95 100644
--- a/linux-user/riscv/target_cpu.h
+++ b/linux-user/riscv/target_cpu.h
@@ -1,7 +1,8 @@
 #ifndef TARGET_CPU_H
 #define TARGET_CPU_H
 
-static inline void cpu_clone_regs(CPURISCVState *env, target_ulong newsp)
+static inline void cpu_clone_regs(CPURISCVState *env, CPURISCVState *old_env,
+                                  target_ulong newsp)
 {
     if (newsp) {
         env->gpr[xSP] = newsp;
diff --git a/linux-user/s390x/target_cpu.h b/linux-user/s390x/target_cpu.h
index 66ef8aa8c2..b31b9ad09d 100644
--- a/linux-user/s390x/target_cpu.h
+++ b/linux-user/s390x/target_cpu.h
@@ -22,7 +22,8 @@
 #ifndef S390X_TARGET_CPU_H
 #define S390X_TARGET_CPU_H
 
-static inline void cpu_clone_regs(CPUS390XState *env, target_ulong newsp)
+static inline void cpu_clone_regs(CPUS390XState *env, CPUS390XState *old_env,
+                                  target_ulong newsp)
 {
     if (newsp) {
         env->regs[15] = newsp;
diff --git a/linux-user/sh4/target_cpu.h b/linux-user/sh4/target_cpu.h
index 1a647ddb98..7f09ed4c3a 100644
--- a/linux-user/sh4/target_cpu.h
+++ b/linux-user/sh4/target_cpu.h
@@ -19,7 +19,8 @@
 #ifndef SH4_TARGET_CPU_H
 #define SH4_TARGET_CPU_H
 
-static inline void cpu_clone_regs(CPUSH4State *env, target_ulong newsp)
+static inline void cpu_clone_regs(CPUSH4State *env, CPUSH4State *old_env,
+                                  target_ulong newsp)
 {
     if (newsp) {
         env->gregs[15] = newsp;
diff --git a/linux-user/sparc/target_cpu.h b/linux-user/sparc/target_cpu.h
index 1ffc0ae9f2..a92748cae3 100644
--- a/linux-user/sparc/target_cpu.h
+++ b/linux-user/sparc/target_cpu.h
@@ -20,7 +20,8 @@
 #ifndef SPARC_TARGET_CPU_H
 #define SPARC_TARGET_CPU_H
 
-static inline void cpu_clone_regs(CPUSPARCState *env, target_ulong newsp)
+static inline void cpu_clone_regs(CPUSPARCState *env, CPUSPARCState *old_env,
+                                  target_ulong newsp)
 {
     if (newsp) {
         env->regwptr[22] = newsp;
diff --git a/linux-user/tilegx/target_cpu.h b/linux-user/tilegx/target_cpu.h
index d1aa5824f2..35100a3d43 100644
--- a/linux-user/tilegx/target_cpu.h
+++ b/linux-user/tilegx/target_cpu.h
@@ -19,7 +19,8 @@
 #ifndef TILEGX_TARGET_CPU_H
 #define TILEGX_TARGET_CPU_H
 
-static inline void cpu_clone_regs(CPUTLGState *env, target_ulong newsp)
+static inline void cpu_clone_regs(CPUTLGState *env, CPUTLGState *old_env,
+                                  target_ulong newsp)
 {
     if (newsp) {
         env->regs[TILEGX_R_SP] = newsp;
diff --git a/linux-user/xtensa/target_cpu.h b/linux-user/xtensa/target_cpu.h
index e31efe3ea0..0e9681e9f9 100644
--- a/linux-user/xtensa/target_cpu.h
+++ b/linux-user/xtensa/target_cpu.h
@@ -4,7 +4,8 @@
 #ifndef XTENSA_TARGET_CPU_H
 #define XTENSA_TARGET_CPU_H
 
-static inline void cpu_clone_regs(CPUXtensaState *env, target_ulong newsp)
+static inline void cpu_clone_regs(CPUXtensaState *env, CPUXtensaState *old_env,
+                                  target_ulong newsp)
 {
     if (newsp) {
         env->regs[1] = newsp;
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 5bf8d13de7..7273a2fe54 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -6442,7 +6442,7 @@ static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp,
         /* we create a new CPU instance. */
         new_env = cpu_copy(env);
         /* Init regs that differ from the parent.  */
-        cpu_clone_regs(new_env, newsp);
+        cpu_clone_regs(new_env, env, newsp);
         new_cpu = ENV_GET_CPU(new_env);
         new_cpu->opaque = ts;
         ts->bprm = parent_ts->bprm;
