linux-kernel - [S390] Wire up sys

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Message-ID: <20061004175852.GE26756@skybase>
Date:	Wed, 4 Oct 2006 19:58:52 +0200
From:	Martin Schwidefsky <schwidefsky@...ibm.com>
To:	linux-kernel@...r.kernel.org, heiko.carstens@...ibm.com
Subject: [S390] Wire up sys_getcpu system call.

From: Heiko Carstens <heiko.carstens@...ibm.com>

[S390] Wire up sys_getcpu system call.

Signed-off-by: Heiko Carstens <heiko.carstens@...ibm.com>
---

 arch/s390/kernel/compat_wrapper.S |    7 +++++++
 arch/s390/kernel/syscalls.S       |    2 ++
 include/asm-s390/unistd.h         |    4 +++-
 3 files changed, 12 insertions(+), 1 deletion(-)

diff -urpN linux-2.6/arch/s390/kernel/compat_wrapper.S linux-2.6-patched/arch/s390/kernel/compat_wrapper.S
--- linux-2.6/arch/s390/kernel/compat_wrapper.S	2006-10-04 19:53:26.000000000 +0200
+++ linux-2.6-patched/arch/s390/kernel/compat_wrapper.S	2006-10-04 19:53:48.000000000 +0200
@@ -1658,3 +1658,10 @@ compat_sys_vmsplice_wrapper:
 	llgfr	%r4,%r4			# unsigned int
 	llgfr	%r5,%r5			# unsigned int
 	jg	compat_sys_vmsplice
+
+	.globl	sys_getcpu_wrapper
+sys_getcpu_wrapper:
+	llgtr	%r2,%r2			# unsigned *
+	llgtr	%r3,%r3			# unsigned *
+	llgtr	%r4,%r4			# struct getcpu_cache *
+	jg	sys_tee
diff -urpN linux-2.6/arch/s390/kernel/syscalls.S linux-2.6-patched/arch/s390/kernel/syscalls.S
--- linux-2.6/arch/s390/kernel/syscalls.S	2006-09-20 05:42:06.000000000 +0200
+++ linux-2.6-patched/arch/s390/kernel/syscalls.S	2006-10-04 19:53:48.000000000 +0200
@@ -318,3 +318,5 @@ SYSCALL(sys_splice,sys_splice,sys_splice
 SYSCALL(sys_sync_file_range,sys_sync_file_range,sys_sync_file_range_wrapper)
 SYSCALL(sys_tee,sys_tee,sys_tee_wrapper)
 SYSCALL(sys_vmsplice,sys_vmsplice,compat_sys_vmsplice_wrapper)
+NI_SYSCALL							/* 310 sys_move_pages */
+SYSCALL(sys_getcpu,sys_getcpu,sys_getcpu_wrapper)
diff -urpN linux-2.6/include/asm-s390/unistd.h linux-2.6-patched/include/asm-s390/unistd.h
--- linux-2.6/include/asm-s390/unistd.h	2006-10-04 19:53:37.000000000 +0200
+++ linux-2.6-patched/include/asm-s390/unistd.h	2006-10-04 19:53:48.000000000 +0200
@@ -247,8 +247,10 @@
 #define __NR_sync_file_range	307
 #define __NR_tee		308
 #define __NR_vmsplice		309
+/* Number 310 is reserved for new sys_move_pages */
+#define __NR_getcpu		311
 
-#define NR_syscalls 310
+#define NR_syscalls 312
 
 /* 
  * There are some system calls that are not present on 64 bit, some
-
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