Add generic sys_old_select()

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 <hch@lst.de>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Reviewed-by: H. Peter Anvin <hpa@zytor.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: James Morris <jmorris@namei.org>
Acked-by: Andreas Schwab <schwab@linux-m68k.org>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: David Howells <dhowells@redhat.com>
Cc: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

3 files changed, 2 insertions, 17 deletions

diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h
index d72a71dabecb..1582c2db1c86 100644
--- a/arch/m68k/include/asm/unistd.h
+++ b/arch/m68k/include/asm/unistd.h
@@ -363,6 +363,7 @@
 #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
diff --git a/arch/m68k/kernel/entry.S b/arch/m68k/kernel/entry.S
index e136b8cbe9b9..09b1f09be3a6 100644
--- a/arch/m68k/kernel/entry.S
+++ b/arch/m68k/kernel/entry.S
@@ -510,7 +510,7 @@ 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 */
diff --git a/arch/m68k/kernel/sys_m68k.c b/arch/m68k/kernel/sys_m68k.c
index e3ad2d671973..03b58dd86c7a 100644
--- a/arch/m68k/kernel/sys_m68k.c
+++ b/arch/m68k/kernel/sys_m68k.c
@@ -80,22 +80,6 @@ out:
         return error;
 }
 
-struct sel_arg_struct {
-        unsigned long n;
-        fd_set __user *inp, *outp, *exp;
-        struct timeval __user *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..
  *