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Commit a3266a93 authored by Martin Schwidefsky's avatar Martin Schwidefsky Committed by Linus Torvalds
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[PATCH] s390: new system calls 



Add sys_set_robust_list, sys_get_robust_list, sys_splice, sys_sync_file and
sys_tee system calls.

Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 3d052595

arch/s390/kernel/compat_wrapper.S

+42 −0
Original line number Diff line number Diff line
@@ -1608,3 +1608,45 @@ compat_sys_ppoll_wrapper: 
sys_unshare_wrapper:

	llgfr	%r2,%r2			# unsigned long

	jg	sys_unshare



	.globl compat_sys_set_robust_list_wrapper

compat_sys_set_robust_list_wrapper:

	llgtr	%r2,%r2			# struct compat_robust_list_head *

	llgfr	%r3,%r3			# size_t

	jg	compat_sys_set_robust_list



	.globl compat_sys_get_robust_list_wrapper

compat_sys_get_robust_list_wrapper:

	lgfr	%r2,%r2			# int

	llgtr	%r3,%r3			# compat_uptr_t_t *

	llgtr	%r4,%r4			# compat_size_t *

	jg	compat_sys_get_robust_list



	.globl sys_splice_wrapper

sys_splice_wrapper:

	lgfr	%r2,%r2			# int

	llgtr	%r3,%r3			# loff_t *

	lgfr	%r4,%r4			# int

	llgtr	%r5,%r5			# loff_t *

	llgfr	%r6,%r6			# size_t

	llgf	%r0,164(%r15)		# unsigned int

	stg	%r0,160(%r15)

	jg	sys_splice



	.globl	sys_sync_file_range_wrapper

sys_sync_file_range_wrapper:

	lgfr	%r2,%r2			# int

	sllg	%r3,%r3,32		# get high word of 64bit loff_t

	or	%r3,%r4			# get low word of 64bit loff_t

	sllg	%r4,%r5,32		# get high word of 64bit loff_t

	or	%r4,%r6			# get low word of 64bit loff_t

	llgf	%r5,164(%r15)		# unsigned int

	jg	sys_sync_file_range



	.globl	sys_tee_wrapper

sys_tee_wrapper:

	lgfr	%r2,%r2			# int

	lgfr	%r3,%r3			# int

	llgfr	%r4,%r4			# size_t

	llgfr	%r5,%r5			# unsigned int

	jg	sys_tee

arch/s390/kernel/syscalls.S

+5 −0
Original line number Diff line number Diff line
@@ -312,3 +312,8 @@ SYSCALL(sys_faccessat,sys_faccessat,sys_faccessat_wrapper) /* 300 */ 
SYSCALL(sys_pselect6,sys_pselect6,compat_sys_pselect6_wrapper)

SYSCALL(sys_ppoll,sys_ppoll,compat_sys_ppoll_wrapper)

SYSCALL(sys_unshare,sys_unshare,sys_unshare_wrapper)

SYSCALL(sys_set_robust_list,sys_set_robust_list,compat_sys_set_robust_list_wrapper)

SYSCALL(sys_get_robust_list,sys_get_robust_list,compat_sys_get_robust_list_wrapper)

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)