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[S390] wire up process_vm syscalls

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Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2011-11-14 11:18:59 +01:00 committed by Martin Schwidefsky
parent 7f80850d3f
commit 800252976b
3 changed files with 25 additions and 1 deletions
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4
arch/s390/include/asm/unistd.h
View file

@ -277,7 +277,9 @@
#define __NR_clock_adjtime 337
#define __NR_syncfs 338
#define __NR_setns 339
#define NR_syscalls 340
#define __NR_process_vm_readv 340
#define __NR_process_vm_writev 341
#define NR_syscalls 342
/*
* There are some system calls that are not present on 64 bit, some

20
arch/s390/kernel/compat_wrapper.S
View file

@ -1627,3 +1627,23 @@ ENTRY(sys_setns_wrapper)
lgfr %r2,%r2 # int
lgfr %r3,%r3 # int
jg sys_setns
ENTRY(compat_sys_process_vm_readv_wrapper)
lgfr %r2,%r2 # compat_pid_t
llgtr %r3,%r3 # struct compat_iovec __user *
llgfr %r4,%r4 # unsigned long
llgtr %r5,%r5 # struct compat_iovec __user *
llgfr %r6,%r6 # unsigned long
llgf %r0,164(%r15) # unsigned long
stg %r0,160(%r15)
jg sys_process_vm_readv
ENTRY(compat_sys_process_vm_writev_wrapper)
lgfr %r2,%r2 # compat_pid_t
llgtr %r3,%r3 # struct compat_iovec __user *
llgfr %r4,%r4 # unsigned long
llgtr %r5,%r5 # struct compat_iovec __user *
llgfr %r6,%r6 # unsigned long
llgf %r0,164(%r15) # unsigned long
stg %r0,160(%r15)
jg sys_process_vm_writev

2
arch/s390/kernel/syscalls.S
View file

@ -348,3 +348,5 @@ SYSCALL(sys_open_by_handle_at,sys_open_by_handle_at,compat_sys_open_by_handle_at
SYSCALL(sys_clock_adjtime,sys_clock_adjtime,compat_sys_clock_adjtime_wrapper)
SYSCALL(sys_syncfs,sys_syncfs,sys_syncfs_wrapper)
SYSCALL(sys_setns,sys_setns,sys_setns_wrapper)
SYSCALL(sys_process_vm_readv,sys_process_vm_readv,compat_sys_process_vm_readv_wrapper) /* 340 */
SYSCALL(sys_process_vm_writev,sys_process_vm_writev,compat_sys_process_vm_writev_wrapper)