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[MIPS] Fix some system calls with long long arguments

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* O32 fadvise64() pass long long arguments by register pairs.  Add
  sys32 version for 64 bit kernel.
* N32 readahead() can pass a long long argument by one register.  No
  need to use sys32_readahead.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Atsushi Nemoto
2007-05-18 00:46:13 +09:00
committed by Ralf Baechle
parent fbd5604d56
commit 8676d2e024
3 changed files with 12 additions and 2 deletions
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10
arch/mips/kernel/linux32.c
View File

@@ -556,6 +556,16 @@ asmlinkage long sys32_sync_file_range(int fd, int __pad,
flags); flags);
} }
asmlinkage long sys32_fadvise64_64(int fd, int __pad,
unsigned long a2, unsigned long a3,
unsigned long a4, unsigned long a5,
int flags)
{
return sys_fadvise64_64(fd,
merge_64(a2, a3), merge_64(a4, a5),
flags);
}
save_static_function(sys32_clone); save_static_function(sys32_clone);
__attribute_used__ noinline static int __attribute_used__ noinline static int
_sys32_clone(nabi_no_regargs struct pt_regs regs) _sys32_clone(nabi_no_regargs struct pt_regs regs)

2
arch/mips/kernel/scall64-n32.S
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@@ -299,7 +299,7 @@ EXPORT(sysn32_call_table)
PTR sys_ni_syscall /* res. for afs_syscall */ PTR sys_ni_syscall /* res. for afs_syscall */
PTR sys_ni_syscall /* res. for security */ PTR sys_ni_syscall /* res. for security */
PTR sys_gettid PTR sys_gettid
PTR sys32_readahead PTR sys_readahead
PTR sys_setxattr /* 6180 */ PTR sys_setxattr /* 6180 */
PTR sys_lsetxattr PTR sys_lsetxattr
PTR sys_fsetxattr PTR sys_fsetxattr

2
arch/mips/kernel/scall64-o32.S
View File

@@ -459,7 +459,7 @@ sys_call_table:
PTR sys_remap_file_pages PTR sys_remap_file_pages
PTR sys_set_tid_address PTR sys_set_tid_address
PTR sys_restart_syscall PTR sys_restart_syscall
PTR sys_fadvise64_64 PTR sys32_fadvise64_64
PTR compat_sys_statfs64 /* 4255 */ PTR compat_sys_statfs64 /* 4255 */
PTR compat_sys_fstatfs64 PTR compat_sys_fstatfs64
PTR compat_sys_timer_create PTR compat_sys_timer_create