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Add generic sys_old_select()

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Add a generic implementation of the old select() syscall, which expects
its argument in a memory block and switch all architectures over to use
it.

Signed-off-by: Christoph Hellwig <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Paul Mundt <[email protected]>
Cc: Jeff Dike <[email protected]>
Cc: Hirokazu Takata <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Ingo Molnar <[email protected]>
Reviewed-by: H. Peter Anvin <[email protected]>
Cc: Al Viro <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Heiko Carstens <[email protected]>
Cc: Martin Schwidefsky <[email protected]>
Cc: "Luck, Tony" <[email protected]>
Cc: James Morris <[email protected]>
Acked-by: Andreas Schwab <[email protected]>
Acked-by: Russell King <[email protected]>
Acked-by: Greg Ungerer <[email protected]>
Acked-by: David Howells <[email protected]>
Cc: Andreas Schwab <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Christoph Hellwig 2010-03-10 15:21:13 -08:00 • committed by Linus Torvalds
commit 5d0e52830e
27 changed files with 52 additions and 152 deletions
Download patch file Download diff file Expand all files Collapse all files

1
arch/mn10300/include/asm/unistd.h
View file

@ -375,6 +375,7 @@
#define __ARCH_WANT_SYS_LLSEEK
#define __ARCH_WANT_SYS_NICE
#define __ARCH_WANT_SYS_OLD_GETRLIMIT
#define __ARCH_WANT_SYS_OLD_SELECT
#define __ARCH_WANT_SYS_OLDUMOUNT
#define __ARCH_WANT_SYS_SIGPENDING
#define __ARCH_WANT_SYS_SIGPROCMASK

2
arch/mn10300/kernel/entry.S
View file

@ -468,7 +468,7 @@ ENTRY(sys_call_table)
.long sys_settimeofday
.long sys_getgroups16 /* 80 */
.long sys_setgroups16
.long old_select
.long sys_old_select
.long sys_symlink
.long sys_lstat
.long sys_readlink /* 85 */

18
arch/mn10300/kernel/sys_mn10300.c
View file

@ -32,24 +32,6 @@ asmlinkage long old_mmap(unsigned long addr, unsigned long len,
return sys_mmap_pgoff(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
}
struct sel_arg_struct {
unsigned long n;
fd_set *inp;
fd_set *outp;
fd_set *exp;
struct timeval *tvp;
};
asmlinkage int old_select(struct sel_arg_struct __user *arg)
{
struct sel_arg_struct a;
if (copy_from_user(&a, arg, sizeof(a)))
return -EFAULT;
/* sys_select() does the appropriate kernel locking */
return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
}
/*
* sys_ipc() is the de-multiplexer for the SysV IPC calls..
*