update kernel to 3.18.14, refresh realtime and rpi patches

25 files changed, 13026 insertions, 12510 deletions

diff --git a/target/linux/patches/3.18.12/bsd-compatibility.patch b/target/linux/patches/3.18.14/bsd-compatibility.patch
index b954b658f..b954b658f 100644
--- a/target/linux/patches/3.18.12/bsd-compatibility.patch
+++ b/target/linux/patches/3.18.14/bsd-compatibility.patch
diff --git a/target/linux/patches/3.18.12/cleankernel.patch b/target/linux/patches/3.18.14/cleankernel.patch
index d8c055dc3..d8c055dc3 100644
--- a/target/linux/patches/3.18.12/cleankernel.patch
+++ b/target/linux/patches/3.18.14/cleankernel.patch
diff --git a/target/linux/patches/3.18.12/cris-header.patch b/target/linux/patches/3.18.14/cris-header.patch
index 3db07e530..3db07e530 100644
--- a/target/linux/patches/3.18.12/cris-header.patch
+++ b/target/linux/patches/3.18.14/cris-header.patch
diff --git a/target/linux/patches/3.18.12/cris-initramfs.patch b/target/linux/patches/3.18.14/cris-initramfs.patch
index b709e705e..b709e705e 100644
--- a/target/linux/patches/3.18.12/cris-initramfs.patch
+++ b/target/linux/patches/3.18.14/cris-initramfs.patch
diff --git a/target/linux/patches/3.18.12/defaults.patch b/target/linux/patches/3.18.14/defaults.patch
index 6cdca084e..6cdca084e 100644
--- a/target/linux/patches/3.18.12/defaults.patch
+++ b/target/linux/patches/3.18.14/defaults.patch
diff --git a/target/linux/patches/3.18.12/export-symbol-for-exmap.patch b/target/linux/patches/3.18.14/export-symbol-for-exmap.patch
index 4f0fc8449..4f0fc8449 100644
--- a/target/linux/patches/3.18.12/export-symbol-for-exmap.patch
+++ b/target/linux/patches/3.18.14/export-symbol-for-exmap.patch
diff --git a/target/linux/patches/3.18.12/fblogo.patch b/target/linux/patches/3.18.14/fblogo.patch
index 5b9070242..5b9070242 100644
--- a/target/linux/patches/3.18.12/fblogo.patch
+++ b/target/linux/patches/3.18.14/fblogo.patch
diff --git a/target/linux/patches/3.18.12/gemalto.patch b/target/linux/patches/3.18.14/gemalto.patch
index 65f7af1d7..65f7af1d7 100644
--- a/target/linux/patches/3.18.12/gemalto.patch
+++ b/target/linux/patches/3.18.14/gemalto.patch
diff --git a/target/linux/patches/3.18.12/initramfs-nosizelimit.patch b/target/linux/patches/3.18.14/initramfs-nosizelimit.patch
index 40d2f6bd8..40d2f6bd8 100644
--- a/target/linux/patches/3.18.12/initramfs-nosizelimit.patch
+++ b/target/linux/patches/3.18.14/initramfs-nosizelimit.patch
diff --git a/target/linux/patches/3.18.12/lemote-rfkill.patch b/target/linux/patches/3.18.14/lemote-rfkill.patch
index a61488434..a61488434 100644
--- a/target/linux/patches/3.18.12/lemote-rfkill.patch
+++ b/target/linux/patches/3.18.14/lemote-rfkill.patch
diff --git a/target/linux/patches/3.18.12/microblaze-ethernet.patch b/target/linux/patches/3.18.14/microblaze-ethernet.patch
index 742ab477e..742ab477e 100644
--- a/target/linux/patches/3.18.12/microblaze-ethernet.patch
+++ b/target/linux/patches/3.18.14/microblaze-ethernet.patch
diff --git a/target/linux/patches/3.18.12/mkpiggy.patch b/target/linux/patches/3.18.14/mkpiggy.patch
index 751678b74..751678b74 100644
--- a/target/linux/patches/3.18.12/mkpiggy.patch
+++ b/target/linux/patches/3.18.14/mkpiggy.patch
diff --git a/target/linux/patches/3.18.12/mtd-rootfs.patch b/target/linux/patches/3.18.14/mtd-rootfs.patch
index 775d5fc80..775d5fc80 100644
--- a/target/linux/patches/3.18.12/mtd-rootfs.patch
+++ b/target/linux/patches/3.18.14/mtd-rootfs.patch
diff --git a/target/linux/patches/3.18.12/nfsv3-tcp.patch b/target/linux/patches/3.18.14/nfsv3-tcp.patch
index d5e07e1c2..d5e07e1c2 100644
--- a/target/linux/patches/3.18.12/nfsv3-tcp.patch
+++ b/target/linux/patches/3.18.14/nfsv3-tcp.patch
diff --git a/target/linux/patches/3.18.12/non-static.patch b/target/linux/patches/3.18.14/non-static.patch
index a967703d0..a967703d0 100644
--- a/target/linux/patches/3.18.12/non-static.patch
+++ b/target/linux/patches/3.18.14/non-static.patch
diff --git a/target/linux/patches/3.18.12/ppc64-missing-zlib.patch b/target/linux/patches/3.18.14/ppc64-missing-zlib.patch
index c6e0616be..c6e0616be 100644
--- a/target/linux/patches/3.18.12/ppc64-missing-zlib.patch
+++ b/target/linux/patches/3.18.14/ppc64-missing-zlib.patch
diff --git a/target/linux/patches/3.18.12/realtime.patch b/target/linux/patches/3.18.14/realtime.patch
index e91381e07..28b9b271c 100644
--- a/target/linux/patches/3.18.12/realtime.patch
+++ b/target/linux/patches/3.18.14/realtime.patch
@@ -1,6 +1,6 @@
-diff -Nur linux-3.18.12.orig/arch/alpha/mm/fault.c linux-3.18.12/arch/alpha/mm/fault.c
---- linux-3.18.12.orig/arch/alpha/mm/fault.c	2015-04-20 14:48:02.000000000 -0500
-+++ linux-3.18.12/arch/alpha/mm/fault.c	2015-04-26 13:32:22.351684003 -0500
+diff -Nur linux-3.18.14.orig/arch/alpha/mm/fault.c linux-3.18.14-rt/arch/alpha/mm/fault.c
+--- linux-3.18.14.orig/arch/alpha/mm/fault.c	2015-05-20 10:04:50.000000000 -0500
++++ linux-3.18.14-rt/arch/alpha/mm/fault.c	2015-05-31 15:32:45.517635394 -0500
 @@ -107,7 +107,7 @@
  
  	/* If we're in an interrupt context, or have no user context,
@@ -10,9 +10,9 @@ diff -Nur linux-3.18.12.orig/arch/alpha/mm/fault.c linux-3.18.12/arch/alpha/mm/f
  		goto no_context;
  
  #ifdef CONFIG_ALPHA_LARGE_VMALLOC
-diff -Nur linux-3.18.12.orig/arch/arm/include/asm/cmpxchg.h linux-3.18.12/arch/arm/include/asm/cmpxchg.h
---- linux-3.18.12.orig/arch/arm/include/asm/cmpxchg.h	2015-04-20 14:48:02.000000000 -0500
-+++ linux-3.18.12/arch/arm/include/asm/cmpxchg.h	2015-04-26 13:32:22.351684003 -0500
+diff -Nur linux-3.18.14.orig/arch/arm/include/asm/cmpxchg.h linux-3.18.14-rt/arch/arm/include/asm/cmpxchg.h
+--- linux-3.18.14.orig/arch/arm/include/asm/cmpxchg.h	2015-05-20 10:04:50.000000000 -0500
++++ linux-3.18.14-rt/arch/arm/include/asm/cmpxchg.h	2015-05-31 15:32:45.557635393 -0500
 @@ -129,6 +129,8 @@
  
  #else	/* min ARCH >= ARMv6 */
@@ -22,9 +22,9 @@ diff -Nur linux-3.18.12.orig/arch/arm/include/asm/cmpxchg.h linux-3.18.12/arch/a
  extern void __bad_cmpxchg(volatile void *ptr, int size);
  
  /*
-diff -Nur linux-3.18.12.orig/arch/arm/include/asm/futex.h linux-3.18.12/arch/arm/include/asm/futex.h
---- linux-3.18.12.orig/arch/arm/include/asm/futex.h	2015-04-20 14:48:02.000000000 -0500
-+++ linux-3.18.12/arch/arm/include/asm/futex.h	2015-04-26 13:32:22.351684003 -0500
+diff -Nur linux-3.18.14.orig/arch/arm/include/asm/futex.h linux-3.18.14-rt/arch/arm/include/asm/futex.h
+--- linux-3.18.14.orig/arch/arm/include/asm/futex.h	2015-05-20 10:04:50.000000000 -0500
++++ linux-3.18.14-rt/arch/arm/include/asm/futex.h	2015-05-31 15:32:45.561635393 -0500
 @@ -93,6 +93,8 @@
  	if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))
  		return -EFAULT;
@@ -43,9 +43,9 @@ diff -Nur linux-3.18.12.orig/arch/arm/include/asm/futex.h linux-3.18.12/arch/arm
  	return ret;
  }
  
-diff -Nur linux-3.18.12.orig/arch/arm/include/asm/switch_to.h linux-3.18.12/arch/arm/include/asm/switch_to.h
---- linux-3.18.12.orig/arch/arm/include/asm/switch_to.h	2015-04-20 14:48:02.000000000 -0500
-+++ linux-3.18.12/arch/arm/include/asm/switch_to.h	2015-04-26 13:32:22.355684003 -0500
+diff -Nur linux-3.18.14.orig/arch/arm/include/asm/switch_to.h linux-3.18.14-rt/arch/arm/include/asm/switch_to.h
+--- linux-3.18.14.orig/arch/arm/include/asm/switch_to.h	2015-05-20 10:04:50.000000000 -0500
++++ linux-3.18.14-rt/arch/arm/include/asm/switch_to.h	2015-05-31 15:32:45.565635393 -0500
 @@ -3,6 +3,13 @@
  
  #include <linux/thread_info.h>
@@ -68,9 +68,9 @@ diff -Nur linux-3.18.12.orig/arch/arm/include/asm/switch_to.h linux-3.18.12/arch
  	last = __switch_to(prev,task_thread_info(prev), task_thread_info(next));	\
  } while (0)
  
-diff -Nur linux-3.18.12.orig/arch/arm/include/asm/thread_info.h linux-3.18.12/arch/arm/include/asm/thread_info.h
---- linux-3.18.12.orig/arch/arm/include/asm/thread_info.h	2015-04-20 14:48:02.000000000 -0500
-+++ linux-3.18.12/arch/arm/include/asm/thread_info.h	2015-04-26 13:32:22.355684003 -0500
+diff -Nur linux-3.18.14.orig/arch/arm/include/asm/thread_info.h linux-3.18.14-rt/arch/arm/include/asm/thread_info.h
+--- linux-3.18.14.orig/arch/arm/include/asm/thread_info.h	2015-05-20 10:04:50.000000000 -0500
++++ linux-3.18.14-rt/arch/arm/include/asm/thread_info.h	2015-05-31 15:32:45.585635393 -0500
 @@ -51,6 +51,7 @@
  struct thread_info {
  	unsigned long		flags;		/* low level flags */
@@ -95,9 +95,9 @@ diff -Nur linux-3.18.12.orig/arch/arm/include/asm/thread_info.h linux-3.18.12/ar
  #define _TIF_UPROBE		(1 << TIF_UPROBE)
  #define _TIF_SYSCALL_TRACE	(1 << TIF_SYSCALL_TRACE)
  #define _TIF_SYSCALL_AUDIT	(1 << TIF_SYSCALL_AUDIT)
-diff -Nur linux-3.18.12.orig/arch/arm/Kconfig linux-3.18.12/arch/arm/Kconfig
---- linux-3.18.12.orig/arch/arm/Kconfig	2015-04-20 14:48:02.000000000 -0500
-+++ linux-3.18.12/arch/arm/Kconfig	2015-04-26 13:32:22.351684003 -0500
+diff -Nur linux-3.18.14.orig/arch/arm/Kconfig linux-3.18.14-rt/arch/arm/Kconfig
+--- linux-3.18.14.orig/arch/arm/Kconfig	2015-05-20 10:04:50.000000000 -0500
++++ linux-3.18.14-rt/arch/arm/Kconfig	2015-05-31 15:32:45.529635394 -0500
 @@ -62,6 +62,7 @@
  	select HAVE_PERF_EVENTS
  	select HAVE_PERF_REGS
@@ -106,9 +106,9 @@ diff -Nur linux-3.18.12.orig/arch/arm/Kconfig linux-3.18.12/arch/arm/Kconfig
  	select HAVE_RCU_TABLE_FREE if (SMP && ARM_LPAE)
  	select HAVE_REGS_AND_STACK_ACCESS_API
  	select HAVE_SYSCALL_TRACEPOINTS
-diff -Nur linux-3.18.12.orig/arch/arm/kernel/asm-offsets.c linux-3.18.12/arch/arm/kernel/asm-offsets.c
---- linux-3.18.12.orig/arch/arm/kernel/asm-offsets.c	2015-04-20 14:48:02.000000000 -0500
-+++ linux-3.18.12/arch/arm/kernel/asm-offsets.c	2015-04-26 13:32:22.355684003 -0500
+diff -Nur linux-3.18.14.orig/arch/arm/kernel/asm-offsets.c linux-3.18.14-rt/arch/arm/kernel/asm-offsets.c
+--- linux-3.18.14.orig/arch/arm/kernel/asm-offsets.c	2015-05-20 10:04:50.000000000 -0500
++++ linux-3.18.14-rt/arch/arm/kernel/asm-offsets.c	2015-05-31 15:32:45.605635393 -0500
 @@ -64,6 +64,7 @@
    BLANK();
    DEFINE(TI_FLAGS,		offsetof(struct thread_info, flags));
@@ -117,9 +117,9 @@ diff -Nur linux-3.18.12.orig/arch/arm/kernel/asm-offsets.c linux-3.18.12/arch/ar
    DEFINE(TI_ADDR_LIMIT,		offsetof(struct thread_info, addr_limit));
    DEFINE(TI_TASK,		offsetof(struct thread_info, task));
    DEFINE(TI_EXEC_DOMAIN,	offsetof(struct thread_info, exec_domain));
-diff -Nur linux-3.18.12.orig/arch/arm/kernel/entry-armv.S linux-3.18.12/arch/arm/kernel/entry-armv.S
---- linux-3.18.12.orig/arch/arm/kernel/entry-armv.S	2015-04-20 14:48:02.000000000 -0500
-+++ linux-3.18.12/arch/arm/kernel/entry-armv.S	2015-04-26 13:32:22.355684003 -0500
+diff -Nur linux-3.18.14.orig/arch/arm/kernel/entry-armv.S linux-3.18.14-rt/arch/arm/kernel/entry-armv.S
+--- linux-3.18.14.orig/arch/arm/kernel/entry-armv.S	2015-05-20 10:04:50.000000000 -0500
++++ linux-3.18.14-rt/arch/arm/kernel/entry-armv.S	2015-05-31 15:32:45.613635393 -0500
 @@ -207,11 +207,18 @@
  #ifdef CONFIG_PREEMPT
  	get_thread_info tsk
@@ -150,10 +150,10 @@ diff -Nur linux-3.18.12.orig/arch/arm/kernel/entry-armv.S linux-3.18.12/arch/arm
  	reteq	r8				@ go again
  	b	1b
  #endif
-diff -Nur linux-3.18.12.orig/arch/arm/kernel/process.c linux-3.18.12/arch/arm/kernel/process.c
---- linux-3.18.12.orig/arch/arm/kernel/process.c	2015-04-20 14:48:02.000000000 -0500
-+++ linux-3.18.12/arch/arm/kernel/process.c	2015-04-26 13:32:22.355684003 -0500
-@@ -431,6 +431,30 @@
+diff -Nur linux-3.18.14.orig/arch/arm/kernel/process.c linux-3.18.14-rt/arch/arm/kernel/process.c
+--- linux-3.18.14.orig/arch/arm/kernel/process.c	2015-05-20 10:04:50.000000000 -0500
++++ linux-3.18.14-rt/arch/arm/kernel/process.c	2015-05-31 15:32:45.617635393 -0500
+@@ -437,6 +437,30 @@
  }
  
  #ifdef CONFIG_MMU
@@ -184,9 +184,573 @@ diff -Nur linux-3.18.12.orig/arch/arm/kernel/process.c linux-3.18.12/arch/arm/ke
  #ifdef CONFIG_KUSER_HELPERS
  /*
   * The vectors page is always readable from user space for the
-diff -Nur linux-3.18.12.orig/arch/arm/kernel/signal.c linux-3.18.12/arch/arm/kernel/signal.c
---- linux-3.18.12.orig/arch/arm/kernel/signal.c	2015-04-20 14:48:02.000000000 -0500
-+++ linux-3.18.12/arch/arm/kernel/signal.c	2015-04-26 13:32:22.359684003 -0500
+diff -Nur linux-3.18.14.orig/arch/arm/kernel/process.c.orig linux-3.18.14-rt/arch/arm/kernel/process.c.orig
+--- linux-3.18.14.orig/arch/arm/kernel/process.c.orig	1969-12-31 18:00:00.000000000 -0600
++++ linux-3.18.14-rt/arch/arm/kernel/process.c.orig	2015-05-20 10:04:50.000000000 -0500
+@@ -0,0 +1,560 @@
++/*
++ *  linux/arch/arm/kernel/process.c
++ *
++ *  Copyright (C) 1996-2000 Russell King - Converted to ARM.
++ *  Original Copyright (C) 1995  Linus Torvalds
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++#include <stdarg.h>
++
++#include <linux/export.h>
++#include <linux/sched.h>
++#include <linux/kernel.h>
++#include <linux/mm.h>
++#include <linux/stddef.h>
++#include <linux/unistd.h>
++#include <linux/user.h>
++#include <linux/delay.h>
++#include <linux/reboot.h>
++#include <linux/interrupt.h>
++#include <linux/kallsyms.h>
++#include <linux/init.h>
++#include <linux/cpu.h>
++#include <linux/elfcore.h>
++#include <linux/pm.h>
++#include <linux/tick.h>
++#include <linux/utsname.h>
++#include <linux/uaccess.h>
++#include <linux/random.h>
++#include <linux/hw_breakpoint.h>
++#include <linux/leds.h>
++#include <linux/reboot.h>
++
++#include <asm/cacheflush.h>
++#include <asm/idmap.h>
++#include <asm/processor.h>
++#include <asm/thread_notify.h>
++#include <asm/stacktrace.h>
++#include <asm/system_misc.h>
++#include <asm/mach/time.h>
++#include <asm/tls.h>
++#include "reboot.h"
++
++#ifdef CONFIG_CC_STACKPROTECTOR
++#include <linux/stackprotector.h>
++unsigned long __stack_chk_guard __read_mostly;
++EXPORT_SYMBOL(__stack_chk_guard);
++#endif
++
++static const char *processor_modes[] __maybe_unused = {
++  "USER_26", "FIQ_26" , "IRQ_26" , "SVC_26" , "UK4_26" , "UK5_26" , "UK6_26" , "UK7_26" ,
++  "UK8_26" , "UK9_26" , "UK10_26", "UK11_26", "UK12_26", "UK13_26", "UK14_26", "UK15_26",
++  "USER_32", "FIQ_32" , "IRQ_32" , "SVC_32" , "UK4_32" , "UK5_32" , "UK6_32" , "ABT_32" ,
++  "UK8_32" , "UK9_32" , "UK10_32", "UND_32" , "UK12_32", "UK13_32", "UK14_32", "SYS_32"
++};
++
++static const char *isa_modes[] __maybe_unused = {
++  "ARM" , "Thumb" , "Jazelle", "ThumbEE"
++};
++
++extern void call_with_stack(void (*fn)(void *), void *arg, void *sp);
++typedef void (*phys_reset_t)(unsigned long);
++
++/*
++ * A temporary stack to use for CPU reset. This is static so that we
++ * don't clobber it with the identity mapping. When running with this
++ * stack, any references to the current task *will not work* so you
++ * should really do as little as possible before jumping to your reset
++ * code.
++ */
++static u64 soft_restart_stack[16];
++
++static void __soft_restart(void *addr)
++{
++	phys_reset_t phys_reset;
++
++	/* Take out a flat memory mapping. */
++	setup_mm_for_reboot();
++
++	/* Clean and invalidate caches */
++	flush_cache_all();
++
++	/* Turn off caching */
++	cpu_proc_fin();
++
++	/* Push out any further dirty data, and ensure cache is empty */
++	flush_cache_all();
++
++	/* Switch to the identity mapping. */
++	phys_reset = (phys_reset_t)(unsigned long)virt_to_phys(cpu_reset);
++	phys_reset((unsigned long)addr);
++
++	/* Should never get here. */
++	BUG();
++}
++
++void _soft_restart(unsigned long addr, bool disable_l2)
++{
++	u64 *stack = soft_restart_stack + ARRAY_SIZE(soft_restart_stack);
++
++	/* Disable interrupts first */
++	raw_local_irq_disable();
++	local_fiq_disable();
++
++	/* Disable the L2 if we're the last man standing. */
++	if (disable_l2)
++		outer_disable();
++
++	/* Change to the new stack and continue with the reset. */
++	call_with_stack(__soft_restart, (void *)addr, (void *)stack);
++
++	/* Should never get here. */
++	BUG();
++}
++
++void soft_restart(unsigned long addr)
++{
++	_soft_restart(addr, num_online_cpus() == 1);
++}
++
++/*
++ * Function pointers to optional machine specific functions
++ */
++void (*pm_power_off)(void);
++EXPORT_SYMBOL(pm_power_off);
++
++void (*arm_pm_restart)(enum reboot_mode reboot_mode, const char *cmd);
++
++/*
++ * This is our default idle handler.
++ */
++
++void (*arm_pm_idle)(void);
++
++/*
++ * Called from the core idle loop.
++ */
++
++void arch_cpu_idle(void)
++{
++	if (arm_pm_idle)
++		arm_pm_idle();
++	else
++		cpu_do_idle();
++	local_irq_enable();
++}
++
++void arch_cpu_idle_prepare(void)
++{
++	local_fiq_enable();
++}
++
++void arch_cpu_idle_enter(void)
++{
++	ledtrig_cpu(CPU_LED_IDLE_START);
++#ifdef CONFIG_PL310_ERRATA_769419
++	wmb();
++#endif
++}
++
++void arch_cpu_idle_exit(void)
++{
++	ledtrig_cpu(CPU_LED_IDLE_END);
++}
++
++#ifdef CONFIG_HOTPLUG_CPU
++void arch_cpu_idle_dead(void)
++{
++	cpu_die();
++}
++#endif
++
++/*
++ * Called by kexec, immediately prior to machine_kexec().
++ *
++ * This must completely disable all secondary CPUs; simply causing those CPUs
++ * to execute e.g. a RAM-based pin loop is not sufficient. This allows the
++ * kexec'd kernel to use any and all RAM as it sees fit, without having to
++ * avoid any code or data used by any SW CPU pin loop. The CPU hotplug
++ * functionality embodied in disable_nonboot_cpus() to achieve this.
++ */
++void machine_shutdown(void)
++{
++	disable_nonboot_cpus();
++}
++
++/*
++ * Halting simply requires that the secondary CPUs stop performing any
++ * activity (executing tasks, handling interrupts). smp_send_stop()
++ * achieves this.
++ */
++void machine_halt(void)
++{
++	local_irq_disable();
++	smp_send_stop();
++
++	local_irq_disable();
++	while (1);
++}
++
++/*
++ * Power-off simply requires that the secondary CPUs stop performing any
++ * activity (executing tasks, handling interrupts). smp_send_stop()
++ * achieves this. When the system power is turned off, it will take all CPUs
++ * with it.
++ */
++void machine_power_off(void)
++{
++	local_irq_disable();
++	smp_send_stop();
++
++	if (pm_power_off)
++		pm_power_off();
++}
++
++/*
++ * Restart requires that the secondary CPUs stop performing any activity
++ * while the primary CPU resets the system. Systems with a single CPU can
++ * use soft_restart() as their machine descriptor's .restart hook, since that
++ * will cause the only available CPU to reset. Systems with multiple CPUs must
++ * provide a HW restart implementation, to ensure that all CPUs reset at once.
++ * This is required so that any code running after reset on the primary CPU
++ * doesn't have to co-ordinate with other CPUs to ensure they aren't still
++ * executing pre-reset code, and using RAM that the primary CPU's code wishes
++ * to use. Implementing such co-ordination would be essentially impossible.
++ */
++void machine_restart(char *cmd)
++{
++	local_irq_disable();
++	smp_send_stop();
++
++	if (arm_pm_restart)
++		arm_pm_restart(reboot_mode, cmd);
++	else
++		do_kernel_restart(cmd);
++
++	/* Give a grace period for failure to restart of 1s */
++	mdelay(1000);
++
++	/* Whoops - the platform was unable to reboot. Tell the user! */
++	printk("Reboot failed -- System halted\n");
++	local_irq_disable();
++	while (1);
++}
++
++void __show_regs(struct pt_regs *regs)
++{
++	unsigned long flags;
++	char buf[64];
++
++	show_regs_print_info(KERN_DEFAULT);
++
++	print_symbol("PC is at %s\n", instruction_pointer(regs));
++	print_symbol("LR is at %s\n", regs->ARM_lr);
++	printk("pc : [<%08lx>]    lr : [<%08lx>]    psr: %08lx\n"
++	       "sp : %08lx  ip : %08lx  fp : %08lx\n",
++		regs->ARM_pc, regs->ARM_lr, regs->ARM_cpsr,
++		regs->ARM_sp, regs->ARM_ip, regs->ARM_fp);
++	printk("r10: %08lx  r9 : %08lx  r8 : %08lx\n",
++		regs->ARM_r10, regs->ARM_r9,
++		regs->ARM_r8);
++	printk("r7 : %08lx  r6 : %08lx  r5 : %08lx  r4 : %08lx\n",
++		regs->ARM_r7, regs->ARM_r6,
++		regs->ARM_r5, regs->ARM_r4);
++	printk("r3 : %08lx  r2 : %08lx  r1 : %08lx  r0 : %08lx\n",
++		regs->ARM_r3, regs->ARM_r2,
++		regs->ARM_r1, regs->ARM_r0);
++
++	flags = regs->ARM_cpsr;
++	buf[0] = flags & PSR_N_BIT ? 'N' : 'n';
++	buf[1] = flags & PSR_Z_BIT ? 'Z' : 'z';
++	buf[2] = flags & PSR_C_BIT ? 'C' : 'c';
++	buf[3] = flags & PSR_V_BIT ? 'V' : 'v';
++	buf[4] = '\0';
++
++#ifndef CONFIG_CPU_V7M
++	printk("Flags: %s  IRQs o%s  FIQs o%s  Mode %s  ISA %s  Segment %s\n",
++		buf, interrupts_enabled(regs) ? "n" : "ff",
++		fast_interrupts_enabled(regs) ? "n" : "ff",
++		processor_modes[processor_mode(regs)],
++		isa_modes[isa_mode(regs)],
++		get_fs() == get_ds() ? "kernel" : "user");
++#else
++	printk("xPSR: %08lx\n", regs->ARM_cpsr);
++#endif
++
++#ifdef CONFIG_CPU_CP15
++	{
++		unsigned int ctrl;
++
++		buf[0] = '\0';
++#ifdef CONFIG_CPU_CP15_MMU
++		{
++			unsigned int transbase, dac;
++			asm("mrc p15, 0, %0, c2, c0\n\t"
++			    "mrc p15, 0, %1, c3, c0\n"
++			    : "=r" (transbase), "=r" (dac));
++			snprintf(buf, sizeof(buf), "  Table: %08x  DAC: %08x",
++			  	transbase, dac);
++		}
++#endif
++		asm("mrc p15, 0, %0, c1, c0\n" : "=r" (ctrl));
++
++		printk("Control: %08x%s\n", ctrl, buf);
++	}
++#endif
++}
++
++void show_regs(struct pt_regs * regs)
++{
++	__show_regs(regs);
++	dump_stack();
++}
++
++ATOMIC_NOTIFIER_HEAD(thread_notify_head);
++
++EXPORT_SYMBOL_GPL(thread_notify_head);
++
++/*
++ * Free current thread data structures etc..
++ */
++void exit_thread(void)
++{
++	thread_notify(THREAD_NOTIFY_EXIT, current_thread_info());
++}
++
++void flush_thread(void)
++{
++	struct thread_info *thread = current_thread_info();
++	struct task_struct *tsk = current;
++
++	flush_ptrace_hw_breakpoint(tsk);
++
++	memset(thread->used_cp, 0, sizeof(thread->used_cp));
++	memset(&tsk->thread.debug, 0, sizeof(struct debug_info));
++	memset(&thread->fpstate, 0, sizeof(union fp_state));
++
++	flush_tls();
++
++	thread_notify(THREAD_NOTIFY_FLUSH, thread);
++}
++
++void release_thread(struct task_struct *dead_task)
++{
++}
++
++asmlinkage void ret_from_fork(void) __asm__("ret_from_fork");
++
++int
++copy_thread(unsigned long clone_flags, unsigned long stack_start,
++	    unsigned long stk_sz, struct task_struct *p)
++{
++	struct thread_info *thread = task_thread_info(p);
++	struct pt_regs *childregs = task_pt_regs(p);
++
++	memset(&thread->cpu_context, 0, sizeof(struct cpu_context_save));
++
++	if (likely(!(p->flags & PF_KTHREAD))) {
++		*childregs = *current_pt_regs();
++		childregs->ARM_r0 = 0;
++		if (stack_start)
++			childregs->ARM_sp = stack_start;
++	} else {
++		memset(childregs, 0, sizeof(struct pt_regs));
++		thread->cpu_context.r4 = stk_sz;
++		thread->cpu_context.r5 = stack_start;
++		childregs->ARM_cpsr = SVC_MODE;
++	}
++	thread->cpu_context.pc = (unsigned long)ret_from_fork;
++	thread->cpu_context.sp = (unsigned long)childregs;
++
++	clear_ptrace_hw_breakpoint(p);
++
++	if (clone_flags & CLONE_SETTLS)
++		thread->tp_value[0] = childregs->ARM_r3;
++	thread->tp_value[1] = get_tpuser();
++
++	thread_notify(THREAD_NOTIFY_COPY, thread);
++
++	return 0;
++}
++
++/*
++ * Fill in the task's elfregs structure for a core dump.
++ */
++int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs)
++{
++	elf_core_copy_regs(elfregs, task_pt_regs(t));
++	return 1;
++}
++
++/*
++ * fill in the fpe structure for a core dump...
++ */
++int dump_fpu (struct pt_regs *regs, struct user_fp *fp)
++{
++	struct thread_info *thread = current_thread_info();
++	int used_math = thread->used_cp[1] | thread->used_cp[2];
++
++	if (used_math)
++		memcpy(fp, &thread->fpstate.soft, sizeof (*fp));
++
++	return used_math != 0;
++}
++EXPORT_SYMBOL(dump_fpu);
++
++unsigned long get_wchan(struct task_struct *p)
++{
++	struct stackframe frame;
++	unsigned long stack_page;
++	int count = 0;
++	if (!p || p == current || p->state == TASK_RUNNING)
++		return 0;
++
++	frame.fp = thread_saved_fp(p);
++	frame.sp = thread_saved_sp(p);
++	frame.lr = 0;			/* recovered from the stack */
++	frame.pc = thread_saved_pc(p);
++	stack_page = (unsigned long)task_stack_page(p);
++	do {
++		if (frame.sp < stack_page ||
++		    frame.sp >= stack_page + THREAD_SIZE ||
++		    unwind_frame(&frame) < 0)
++			return 0;
++		if (!in_sched_functions(frame.pc))
++			return frame.pc;
++	} while (count ++ < 16);
++	return 0;
++}
++
++unsigned long arch_randomize_brk(struct mm_struct *mm)
++{
++	unsigned long range_end = mm->brk + 0x02000000;
++	return randomize_range(mm->brk, range_end, 0) ? : mm->brk;
++}
++
++#ifdef CONFIG_MMU
++#ifdef CONFIG_KUSER_HELPERS
++/*
++ * The vectors page is always readable from user space for the
++ * atomic helpers. Insert it into the gate_vma so that it is visible
++ * through ptrace and /proc/<pid>/mem.
++ */
++static struct vm_area_struct gate_vma = {
++	.vm_start	= 0xffff0000,
++	.vm_end		= 0xffff0000 + PAGE_SIZE,
++	.vm_flags	= VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYEXEC,
++};
++
++static int __init gate_vma_init(void)
++{
++	gate_vma.vm_page_prot = PAGE_READONLY_EXEC;
++	return 0;
++}
++arch_initcall(gate_vma_init);
++
++struct vm_area_struct *get_gate_vma(struct mm_struct *mm)
++{
++	return &gate_vma;
++}
++
++int in_gate_area(struct mm_struct *mm, unsigned long addr)
++{
++	return (addr >= gate_vma.vm_start) && (addr < gate_vma.vm_end);
++}
++
++int in_gate_area_no_mm(unsigned long addr)
++{
++	return in_gate_area(NULL, addr);
++}
++#define is_gate_vma(vma)	((vma) == &gate_vma)
++#else
++#define is_gate_vma(vma)	0
++#endif
++
++const char *arch_vma_name(struct vm_area_struct *vma)
++{
++	return is_gate_vma(vma) ? "[vectors]" : NULL;
++}
++
++/* If possible, provide a placement hint at a random offset from the
++ * stack for the signal page.
++ */
++static unsigned long sigpage_addr(const struct mm_struct *mm,
++				  unsigned int npages)
++{
++	unsigned long offset;
++	unsigned long first;
++	unsigned long last;
++	unsigned long addr;
++	unsigned int slots;
++
++	first = PAGE_ALIGN(mm->start_stack);
++
++	last = TASK_SIZE - (npages << PAGE_SHIFT);
++
++	/* No room after stack? */
++	if (first > last)
++		return 0;
++
++	/* Just enough room? */
++	if (first == last)
++		return first;
++
++	slots = ((last - first) >> PAGE_SHIFT) + 1;
++
++	offset = get_random_int() % slots;
++
++	addr = first + (offset << PAGE_SHIFT);
++
++	return addr;
++}
++
++static struct page *signal_page;
++extern struct page *get_signal_page(void);
++
++static const struct vm_special_mapping sigpage_mapping = {
++	.name = "[sigpage]",
++	.pages = &signal_page,
++};
++
++int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_