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Commit a93e11f9 authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky
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[S390] wire up preadv/pwritev system calls 



Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 25097bf1

arch/s390/include/asm/unistd.h

+3 −1
Original line number Diff line number Diff line
@@ -265,7 +265,9 @@ 
#define __NR_pipe2		325

#define __NR_dup3		326

#define __NR_epoll_create1	327

#define NR_syscalls 328

#define	__NR_preadv		328

#define	__NR_pwritev		329

#define NR_syscalls 330



/* 

 * There are some system calls that are not present on 64 bit, some

arch/s390/kernel/compat_wrapper.S

+18 −0
Original line number Diff line number Diff line
@@ -1805,3 +1805,21 @@ compat_sys_keyctl_wrapper: 
	llgfr	%r5,%r5			# u32

	llgfr	%r6,%r6			# u32

	jg	compat_sys_keyctl	# branch to system call



	.globl	compat_sys_preadv_wrapper

compat_sys_preadv_wrapper:

	llgfr	%r2,%r2			# unsigned long

	llgtr	%r3,%r3			# compat_iovec *

	llgfr	%r4,%r4			# unsigned long

	llgfr	%r5,%r5			# u32

	llgfr	%r6,%r6			# u32

	jg	compat_sys_preadv	# branch to system call



	.globl	compat_sys_pwritev_wrapper

compat_sys_pwritev_wrapper:

	llgfr	%r2,%r2			# unsigned long

	llgtr	%r3,%r3			# compat_iovec *

	llgfr	%r4,%r4			# unsigned long

	llgfr	%r5,%r5			# u32

	llgfr	%r6,%r6			# u32

	jg	compat_sys_pwritev	# branch to system call

arch/s390/kernel/syscalls.S

+2 −0
Original line number Diff line number Diff line
@@ -336,3 +336,5 @@ SYSCALL(sys_inotify_init1,sys_inotify_init1,sys_inotify_init1_wrapper) 
SYSCALL(sys_pipe2,sys_pipe2,sys_pipe2_wrapper) /* 325 */

SYSCALL(sys_dup3,sys_dup3,sys_dup3_wrapper)

SYSCALL(sys_epoll_create1,sys_epoll_create1,sys_epoll_create1_wrapper)

SYSCALL(sys_preadv,sys_preadv,compat_sys_preadv_wrapper)

SYSCALL(sys_pwritev,sys_pwritev,compat_sys_pwritev_wrapper)