[PATCH] s390: key management.

Add key management system calls.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/s390/kernel/compat_wrapper.S

@@ -1406,3 +1406,20 @@ compat_sys_mq_getsetattr_wrapper:
 	llgtr	%r3,%r3			# struct compat_mq_attr *
 	llgtr	%r4,%r4			# struct compat_mq_attr *
 	jg	compat_sys_mq_getsetattr
+
+	.globl	compat_sys_add_key
+compat_sys_add_key:
+	llgtr	%r2,%r2			# const char *
+	llgtr	%r3,%r3			# const char *
+	llgtr	%r4,%r4			# const void *
+	llgfr	%r5,%r5			# size_t
+	llgfr	%r6,%r6			# (key_serial_t) u32
+	jg	sys_add_key
+
+	.globl	compat_sys_request_key
+compat_sys_request_key:
+	llgtr	%r2,%r2			# const char *
+	llgtr	%r3,%r3			# const char *
+	llgtr	%r4,%r4			# const void *
+	llgfr	%r5,%r5			# (key_serial_t) u32
+	jg	sys_request_key

arch/s390/kernel/syscalls.S

@@ -286,3 +286,6 @@ SYSCALL(sys_mq_timedreceive,sys_mq_timedreceive,compat_sys_mq_timedreceive_wrapp
 SYSCALL(sys_mq_notify,sys_mq_notify,compat_sys_mq_notify_wrapper) /* 275 */
 SYSCALL(sys_mq_getsetattr,sys_mq_getsetattr,compat_sys_mq_getsetattr_wrapper)
 NI_SYSCALL							/* reserved for kexec */
+SYSCALL(sys_add_key,sys_add_key,compat_sys_add_key)
+SYSCALL(sys_request_key,sys_request_key,compat_sys_request_key)
+SYSCALL(sys_keyctl,sys_keyctl,compat_sys_keyctl)		/* 280 */

include/asm-s390/unistd.h

@@ -270,8 +270,11 @@
 #define __NR_mq_notify		275
 #define __NR_mq_getsetattr	276
 /* Number 277 is reserved for new sys_kexec_load */
+#define __NR_add_key		278
+#define __NR_request_key	279
+#define __NR_keyctl		280
 
-#define NR_syscalls 278
+#define NR_syscalls 281
 
 /* 
  * There are some system calls that are not present on 64 bit, some