s390/compat: convert system call wrappers to C part 13

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

3 files changed, 20 insertions, 77 deletions

diff --git a/arch/s390/kernel/compat_wrap.c b/arch/s390/kernel/compat_wrap.c
index a89daaf1e042..df631af0900b 100644
--- a/arch/s390/kernel/compat_wrap.c
+++ b/arch/s390/kernel/compat_wrap.c
@@ -144,3 +144,13 @@ COMPAT_SYSCALL_WRAP2(inotify_rm_watch, int, fd, __s32, wd);
 COMPAT_SYSCALL_WRAP3(mkdirat, int, dfd, const char __user *, pathname, umode_t, mode);
 COMPAT_SYSCALL_WRAP4(mknodat, int, dfd, const char __user *, filename, umode_t, mode, unsigned, dev);
 COMPAT_SYSCALL_WRAP5(fchownat, int, dfd, const char __user *, filename, compat_uid_t, user, compat_gid_t, group, int, flag);
+COMPAT_SYSCALL_WRAP3(unlinkat, int, dfd, const char __user *, pathname, int, flag);
+COMPAT_SYSCALL_WRAP4(renameat, int, olddfd, const char __user *, oldname, int, newdfd, const char __user *, newname);
+COMPAT_SYSCALL_WRAP5(linkat, int, olddfd, const char __user *, oldname, int, newdfd, const char __user *, newname, int, flags);
+COMPAT_SYSCALL_WRAP3(symlinkat, const char __user *, oldname, int, newdfd, const char __user *, newname);
+COMPAT_SYSCALL_WRAP4(readlinkat, int, dfd, const char __user *, path, char __user *, buf, int, bufsiz);
+COMPAT_SYSCALL_WRAP3(fchmodat, int, dfd, const char __user *, filename, umode_t, mode);
+COMPAT_SYSCALL_WRAP3(faccessat, int, dfd, const char __user *, filename, int, mode);
+COMPAT_SYSCALL_WRAP1(unshare, compat_ulong_t, unshare_flags);
+COMPAT_SYSCALL_WRAP6(splice, int, fd_in, loff_t __user *, off_in, int, fd_out, loff_t __user *, off_out, compat_size_t, len, unsigned int, flags);
+COMPAT_SYSCALL_WRAP4(tee, int, fdin, int, fdout, compat_size_t, len, unsigned int, flags);
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 74b81288a0c1..583cac71df06 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -299,52 +299,6 @@ ENTRY(compat_sys_futimesat_wrapper)
 	llgtr	%r4,%r4			# struct timeval *
 	jg	compat_sys_futimesat
 
-ENTRY(sys_unlinkat_wrapper)
-	lgfr	%r2,%r2			# int
-	llgtr	%r3,%r3			# const char *
-	lgfr	%r4,%r4			# int
-	jg	sys_unlinkat
-
-ENTRY(sys_renameat_wrapper)
-	lgfr	%r2,%r2			# int
-	llgtr	%r3,%r3			# const char *
-	lgfr	%r4,%r4			# int
-	llgtr	%r5,%r5			# const char *
-	jg	sys_renameat
-
-ENTRY(sys_linkat_wrapper)
-	lgfr	%r2,%r2			# int
-	llgtr	%r3,%r3			# const char *
-	lgfr	%r4,%r4			# int
-	llgtr	%r5,%r5			# const char *
-	lgfr	%r6,%r6			# int
-	jg	sys_linkat
-
-ENTRY(sys_symlinkat_wrapper)
-	llgtr	%r2,%r2			# const char *
-	lgfr	%r3,%r3			# int
-	llgtr	%r4,%r4			# const char *
-	jg	sys_symlinkat
-
-ENTRY(sys_readlinkat_wrapper)
-	lgfr	%r2,%r2			# int
-	llgtr	%r3,%r3			# const char *
-	llgtr	%r4,%r4			# char *
-	lgfr	%r5,%r5			# int
-	jg	sys_readlinkat
-
-ENTRY(sys_fchmodat_wrapper)
-	lgfr	%r2,%r2			# int
-	llgtr	%r3,%r3			# const char *
-	llgfr	%r4,%r4			# mode_t
-	jg	sys_fchmodat
-
-ENTRY(sys_faccessat_wrapper)
-	lgfr	%r2,%r2			# int
-	llgtr	%r3,%r3			# const char *
-	lgfr	%r4,%r4			# int
-	jg	sys_faccessat
-
 ENTRY(compat_sys_pselect6_wrapper)
 	lgfr	%r2,%r2			# int
 	llgtr	%r3,%r3			# fd_set *
@@ -363,20 +317,6 @@ ENTRY(compat_sys_ppoll_wrapper)
 	llgfr	%r6,%r6			# size_t
 	jg	compat_sys_ppoll
 
-ENTRY(sys_unshare_wrapper)
-	llgfr	%r2,%r2			# unsigned long
-	jg	sys_unshare
-
-ENTRY(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
-
 ENTRY(sys_sync_file_range_wrapper)
 	lgfr	%r2,%r2			# int
 	sllg	%r3,%r3,32		# get high word of 64bit loff_t
@@ -386,13 +326,6 @@ ENTRY(sys_sync_file_range_wrapper)
 	llgf	%r5,164(%r15)		# unsigned int
 	jg	sys_sync_file_range
 
-ENTRY(sys_tee_wrapper)
-	lgfr	%r2,%r2			# int
-	lgfr	%r3,%r3			# int
-	llgfr	%r4,%r4			# size_t
-	llgfr	%r5,%r5			# unsigned int
-	jg	sys_tee
-
 ENTRY(sys_getcpu_wrapper)
 	llgtr	%r2,%r2			# unsigned *
 	llgtr	%r3,%r3			# unsigned *
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index dbc9e4166a8e..7069bec56383 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -302,21 +302,21 @@ SYSCALL(sys_mknodat,sys_mknodat,compat_sys_mknodat)	/* 290 */
 SYSCALL(sys_fchownat,sys_fchownat,compat_sys_fchownat)
 SYSCALL(sys_futimesat,sys_futimesat,compat_sys_futimesat_wrapper)
 SYSCALL(sys_fstatat64,sys_newfstatat,compat_sys_s390_fstatat64)
-SYSCALL(sys_unlinkat,sys_unlinkat,sys_unlinkat_wrapper)
-SYSCALL(sys_renameat,sys_renameat,sys_renameat_wrapper)	/* 295 */
-SYSCALL(sys_linkat,sys_linkat,sys_linkat_wrapper)
-SYSCALL(sys_symlinkat,sys_symlinkat,sys_symlinkat_wrapper)
-SYSCALL(sys_readlinkat,sys_readlinkat,sys_readlinkat_wrapper)
-SYSCALL(sys_fchmodat,sys_fchmodat,sys_fchmodat_wrapper)
-SYSCALL(sys_faccessat,sys_faccessat,sys_faccessat_wrapper)	/* 300 */
+SYSCALL(sys_unlinkat,sys_unlinkat,compat_sys_unlinkat)
+SYSCALL(sys_renameat,sys_renameat,compat_sys_renameat)	/* 295 */
+SYSCALL(sys_linkat,sys_linkat,compat_sys_linkat)
+SYSCALL(sys_symlinkat,sys_symlinkat,compat_sys_symlinkat)
+SYSCALL(sys_readlinkat,sys_readlinkat,compat_sys_readlinkat)
+SYSCALL(sys_fchmodat,sys_fchmodat,compat_sys_fchmodat)
+SYSCALL(sys_faccessat,sys_faccessat,compat_sys_faccessat)	/* 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_unshare,sys_unshare,compat_sys_unshare)
 SYSCALL(sys_set_robust_list,sys_set_robust_list,compat_sys_set_robust_list)
 SYSCALL(sys_get_robust_list,sys_get_robust_list,compat_sys_get_robust_list)
-SYSCALL(sys_splice,sys_splice,sys_splice_wrapper)
+SYSCALL(sys_splice,sys_splice,compat_sys_splice)
 SYSCALL(sys_sync_file_range,sys_sync_file_range,sys_sync_file_range_wrapper)
-SYSCALL(sys_tee,sys_tee,sys_tee_wrapper)
+SYSCALL(sys_tee,sys_tee,compat_sys_tee)
 SYSCALL(sys_vmsplice,sys_vmsplice,compat_sys_vmsplice)
 NI_SYSCALL							/* 310 sys_move_pages */
 SYSCALL(sys_getcpu,sys_getcpu,sys_getcpu_wrapper)