arm: Remove RISC OS personality

The RISC OS personality seems to be unused and untested for a long time.
It is doubtful whether this personality worked ever as expected.
Let's rip it out.
Signed-off-by: Richard Weinberger <richard@nod.at>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/Kconfig

@@ -2126,16 +2126,6 @@ menu "Userspace binary formats"
 
 source "fs/Kconfig.binfmt"
 
-config ARTHUR
-	tristate "RISC OS personality"
-	depends on !AEABI
-	help
-	  Say Y here to include the kernel code necessary if you want to run
-	  Acorn RISC OS/Arthur binaries under Linux. This code is still very
-	  experimental; if this sounds frightening, say N and sleep in peace.
-	  You can also say M here to compile this support as a module (which
-	  will be called arthur).
-
 endmenu
 
 menu "Power management options"

arch/arm/configs/badge4_defconfig

@@ -12,7 +12,6 @@ CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
 CONFIG_FPE_NWFPE=y
 CONFIG_BINFMT_AOUT=m
 CONFIG_BINFMT_MISC=m
-CONFIG_ARTHUR=m
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y

arch/arm/kernel/Makefile

@@ -34,7 +34,6 @@ obj-$(CONFIG_CPU_IDLE)		+= cpuidle.o
 obj-$(CONFIG_ISA_DMA_API)	+= dma.o
 obj-$(CONFIG_FIQ)		+= fiq.o fiqasm.o
 obj-$(CONFIG_MODULES)		+= armksyms.o module.o
-obj-$(CONFIG_ARTHUR)		+= arthur.o
 obj-$(CONFIG_ISA_DMA)		+= dma-isa.o
 obj-$(CONFIG_PCI)		+= bios32.o isa.o
 obj-$(CONFIG_ARM_CPU_SUSPEND)	+= sleep.o suspend.o

arch/arm/kernel/arthur.c

-/*
- *  linux/arch/arm/kernel/arthur.c
- *
- *  Copyright (C) 1998, 1999, 2000, 2001 Philip Blundell
- *
- * Arthur personality
- */
-
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <linux/module.h>
-#include <linux/personality.h>
-#include <linux/stddef.h>
-#include <linux/signal.h>
-#include <linux/init.h>
-#include <linux/sched.h>
-
-#include <asm/ptrace.h>
-
-/* Arthur doesn't have many signals, and a lot of those that it does
-   have don't map easily to any Linux equivalent.  Never mind.  */
-
-#define ARTHUR_SIGABRT		1
-#define ARTHUR_SIGFPE		2
-#define ARTHUR_SIGILL		3
-#define ARTHUR_SIGINT		4
-#define ARTHUR_SIGSEGV		5
-#define ARTHUR_SIGTERM		6
-#define ARTHUR_SIGSTAK		7
-#define ARTHUR_SIGUSR1		8
-#define ARTHUR_SIGUSR2		9
-#define ARTHUR_SIGOSERROR	10
-
-static unsigned long arthur_to_linux_signals[32] = {
-	0,	1,	2,	3,	4,	5,	6,	7,
-	8,	9,	10,	11,	12,	13,	14,	15,
-	16,	17,	18,	19,	20,	21,	22,	23,
-	24,	25,	26,	27,	28,	29,	30,	31
-};
-
-static unsigned long linux_to_arthur_signals[32] = {
-	0,		-1,		ARTHUR_SIGINT,	-1,
-       	ARTHUR_SIGILL,	5,		ARTHUR_SIGABRT,	7,
-	ARTHUR_SIGFPE,	9,		ARTHUR_SIGUSR1,	ARTHUR_SIGSEGV,	
-	ARTHUR_SIGUSR2,	13,		14,		ARTHUR_SIGTERM,
-	16,		17,		18,		19,
-	20,		21,		22,		23,
-	24,		25,		26,		27,
-	28,		29,		30,		31
-};
-
-static void arthur_lcall7(int nr, struct pt_regs *regs)
-{
-	struct siginfo info;
-	info.si_signo = SIGSWI;
-	info.si_errno = nr;
-	/* Bounce it to the emulator */
-	send_sig_info(SIGSWI, &info, current);
-}
-
-static struct exec_domain arthur_exec_domain = {
-	.name		= "Arthur",
-	.handler	= arthur_lcall7,
-	.pers_low	= PER_RISCOS,
-	.pers_high	= PER_RISCOS,
-	.signal_map	= arthur_to_linux_signals,
-	.signal_invmap	= linux_to_arthur_signals,
-	.module		= THIS_MODULE,
-};
-
-/*
- * We could do with some locking to stop Arthur being removed while
- * processes are using it.
- */
-
-static int __init arthur_init(void)
-{
-	return register_exec_domain(&arthur_exec_domain);
-}
-
-static void __exit arthur_exit(void)
-{
-	unregister_exec_domain(&arthur_exec_domain);
-}
-
-module_init(arthur_init);
-module_exit(arthur_exit);
-
-MODULE_LICENSE("GPL");