[PATCH] remove remaining errno and __KERNEL_SYSCALLS__ references

The last in-kernel user of errno is gone, so we should remove the definition
and everything referring to it.  This also removes the now-unused lib/execve.c
file that was introduced earlier.

Also remove every trace of __KERNEL_SYSCALLS__ that still remained in the
kernel.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Andi Kleen <ak@muc.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Ian Molton <spyro@f2s.com>
Cc: Mikael Starvik <starvik@axis.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Hirokazu Takata <takata.hirokazu@renesas.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Kazumoto Kojima <kkojima@rr.iij4u.or.jp>
Cc: Richard Curnow <rc@rc0.org.uk>
Cc: William Lee Irwin III <wli@holomorphy.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Cc: Miles Bader <uclinux-v850@lsi.nec.co.jp>
Cc: Chris Zankel <chris@zankel.net>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

3 files changed, 1 insertions, 33 deletions

diff --git a/lib/Makefile b/lib/Makefile
index 4d752be0edc0..b0361756e22e 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -2,7 +2,7 @@
 # Makefile for some libs needed in the kernel.
 #
 
-lib-y := errno.o ctype.o string.o vsprintf.o cmdline.o \
+lib-y := ctype.o string.o vsprintf.o cmdline.o \
          bust_spinlocks.o rbtree.o radix-tree.o dump_stack.o \
          idr.o div64.o int_sqrt.o bitmap.o extable.o prio_tree.o \
          sha1.o
@@ -35,8 +35,6 @@ ifneq ($(CONFIG_HAVE_DEC_LOCK),y)
   lib-y += dec_and_lock.o
 endif
 
-lib-y += execve.o
-
 obj-$(CONFIG_CRC_CCITT) += crc-ccitt.o
 obj-$(CONFIG_CRC16)     += crc16.o
 obj-$(CONFIG_CRC32)     += crc32.o
diff --git a/lib/errno.c b/lib/errno.c
deleted file mode 100644
index 41cb9d76c052..000000000000
--- a/lib/errno.c
+++ /dev/null
@@ -1,7 +0,0 @@
-/*
- *  linux/lib/errno.c
- *
- *  Copyright (C) 1991, 1992  Linus Torvalds
- */
-
-int errno;
diff --git a/lib/execve.c b/lib/execve.c
deleted file mode 100644
index 2667ebc15045..000000000000
--- a/lib/execve.c
+++ /dev/null
@@ -1,23 +0,0 @@
-#include <asm/bug.h>
-#include <asm/uaccess.h>
-
-#define __KERNEL_SYSCALLS__
-static int errno __attribute__((unused));
-#include <asm/unistd.h>
-
-#ifdef _syscall3
-int kernel_execve (const char *filename, char *const argv[], char *const envp[])
-                                                                __attribute__((__weak__));
-int kernel_execve (const char *filename, char *const argv[], char *const envp[])
-{
-        mm_segment_t fs = get_fs();
-        int ret;
-
-        WARN_ON(segment_eq(fs, USER_DS));
-        ret = execve(filename, (char **)argv, (char **)envp);
-        if (ret)
-                ret = -errno;
-
-        return ret;
-}
-#endif