[PATCH 1/2] arm: Remove RISC OS personality
From: Richard Weinberger
Date: Sun Jul 13 2014 - 10:59:30 EST
The RISC OS personality seems to be unused and untested for a long time.
Let's rip it out.
Signed-off-by: Richard Weinberger <richard@xxxxxx>
---
arch/arm/Kconfig | 12 -----
arch/arm/configs/badge4_defconfig | 1 -
arch/arm/kernel/Makefile | 1 -
arch/arm/kernel/arthur.c | 94 ---------------------------------------
4 files changed, 108 deletions(-)
delete mode 100644 arch/arm/kernel/arthur.c
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 245058b..b57afd3 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -2177,18 +2177,6 @@ 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"
source "kernel/power/Kconfig"
diff --git a/arch/arm/configs/badge4_defconfig b/arch/arm/configs/badge4_defconfig
index 0494c8f..d590098 100644
--- a/arch/arm/configs/badge4_defconfig
+++ b/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
diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile
index 38ddd9f..742e076 100644
--- a/arch/arm/kernel/Makefile
+++ b/arch/arm/kernel/Makefile
@@ -35,7 +35,6 @@ 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
diff --git a/arch/arm/kernel/arthur.c b/arch/arm/kernel/arthur.c
deleted file mode 100644
index 321c529..0000000
--- a/arch/arm/kernel/arthur.c
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * 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");
--
2.0.1
--
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