[S390] secure computing arch backend

Enable secure computing on s390 as well.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/include/asm/seccomp.h b/arch/s390/include/asm/seccomp.h
new file mode 100644
index 0000000..781a9cf
--- /dev/null
+++ b/arch/s390/include/asm/seccomp.h
@@ -0,0 +1,16 @@
+#ifndef _ASM_S390_SECCOMP_H
+#define _ASM_S390_SECCOMP_H
+
+#include <linux/unistd.h>
+
+#define __NR_seccomp_read	__NR_read
+#define __NR_seccomp_write	__NR_write
+#define __NR_seccomp_exit	__NR_exit
+#define __NR_seccomp_sigreturn	__NR_sigreturn
+
+#define __NR_seccomp_read_32	__NR_read
+#define __NR_seccomp_write_32	__NR_write
+#define __NR_seccomp_exit_32	__NR_exit
+#define __NR_seccomp_sigreturn_32 __NR_sigreturn
+
+#endif	/* _ASM_S390_SECCOMP_H */