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Commit 80025297 authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky
Browse files

[S390] wire up process_vm syscalls 



Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 7f80850d

arch/s390/include/asm/unistd.h

+3 −1
Original line number Diff line number Diff line
@@ -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

arch/s390/kernel/compat_wrapper.S

+20 −0
Original line number Diff line number Diff line
@@ -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

arch/s390/kernel/syscalls.S

+2 −0
Original line number Diff line number Diff line
@@ -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)