[S390] Wire up sys_getcpu system call.

8abfe01d · Heiko Carstens <[email protected]> · 2006-10-04 20:02:09 +02:00

Signed-off-by: Heiko Carstens <[email protected]>

Changes

3 files changed · +12 −1

File	Status	Add	Del	Content
arch/s390/kernel/compat_wrapper.S	modified	+7	−0	View file
arch/s390/kernel/syscalls.S	modified	+2	−0	View file
include/asm-s390/unistd.h	modified	+3	−1	View file

diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 4aabeea..cb0efae 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -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 --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 93be1d5..e59baec 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -318,3 +318,5 @@ SYSCALL(sys_splice,sys_splice,sys_splice_wrapper)
 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 --git a/include/asm-s390/unistd.h b/include/asm-s390/unistd.h
index 0cccfd8..a19238c 100644
--- a/include/asm-s390/unistd.h
+++ b/include/asm-s390/unistd.h
@@ -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