rch/s390/kernel/vdso/vdso_user_wrapper.S
index aa06c85bcbd3..757503929ab0 100644
--- a/arch/s390/kernel/vdso/vdso_user_wrapper.S
+++ b/arch/s390/kernel/vdso/vdso_user_wrapper.S
@@ -47,6 +47,17 @@ SYM_FUNC_START(__kernel_\func)
 SYM_FUNC_END(__kernel_\func)
 .endm
 
+.macro vdso_syscall_sf func,syscall
+SYM_FUNC_START(__kernel_\func)
+	CFI_STARTPROC simple
+	CFI_SIGNAL_FRAME
+	svc	\syscall
+	/* Trap, if syscall returns, which shouldn't happen */
+	.insn e,0x0000
+	CFI_ENDPROC
+SYM_FUNC_END(__kernel_\func)
+.endm
+
 vdso_syscall restart_syscall,__NR_restart_syscall
-vdso_syscall sigreturn,__NR_sigreturn
-vdso_syscall rt_sigreturn,__NR_rt_sigreturn
+vdso_syscall_sf sigreturn,__NR_sigreturn
+vdso_syscall_sf rt_sigreturn,__NR_rt_sigreturn
-- 
2.51.0[RFC PATCH v1 3/5] s390/vdso: Annotate __kernel_[rt_]sigreturn as signal framesJens Remus <jremus@linux.ibm.com> undefinedlinux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-s390@vger.kernel.org, bpf@vger.kernel.org, x86@kernel.org, Steven Rostedt <rostedt@kernel.org> undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined undefined’+…Ã