Index: arch/x86/include/asm/signal.h
===================================================================
--- arch/x86/include/asm/signal.h
+++ arch/x86/include/asm/signal.h
@@ -36,6 +36,7 @@
 #include <uapi/asm/signal.h>
 #ifndef __ASSEMBLY__
 extern void do_signal(struct pt_regs *regs);
+extern void nosig_restart_syscall(struct pt_regs *regs);
 
 #define __ARCH_HAS_SA_RESTORER
 
Index: arch/x86/kernel/signal.c
===================================================================
--- arch/x86/kernel/signal.c
+++ arch/x86/kernel/signal.c
@@ -812,6 +812,11 @@
 		return;
 	}
 
+	nosig_restart_syscall(regs);
+}
+
+void nosig_restart_syscall(struct pt_regs *regs);
+{
 	/* Did we come from a system call? */
 	if (syscall_get_nr(current, regs) >= 0) {
 		/* Restart the system call - no handlers present */