Merge branch 'master'

67 files changed, 561 insertions, 1124 deletions

diff --git a/arch/arm/mach-at91rm9200/gpio.c b/arch/arm/mach-at91rm9200/gpio.c
index a9f718b..0e396fe 100644
--- a/arch/arm/mach-at91rm9200/gpio.c
+++ b/arch/arm/mach-at91rm9200/gpio.c
@@ -274,8 +274,18 @@ static void gpio_irq_handler(unsigned irq, struct irqdesc *desc, struct pt_regs
 		gpio = &irq_desc[pin];
 
 		while (isr) {
-			if (isr & 1)
-				gpio->handle(pin, gpio, regs);
+			if (isr & 1) {
+				if (unlikely(gpio->disable_depth)) {
+					/*
+					 * The core ARM interrupt handler lazily disables IRQs so
+					 * another IRQ must be generated before it actually gets
+					 * here to be disabled on the GPIO controller.
+					 */
+					gpio_irq_mask(pin);
+				}
+				else
+					gpio->handle(pin, gpio, regs);
+			}
 			pin++;
 			gpio++;
 			isr >>= 1;
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index 0afec85..5b1a7d4 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -733,7 +733,7 @@ config PHYSICAL_START
 
 config HOTPLUG_CPU
 	bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
-	depends on SMP && HOTPLUG && EXPERIMENTAL
+	depends on SMP && HOTPLUG && EXPERIMENTAL && !X86_VOYAGER
 	---help---
 	  Say Y here to experiment with turning CPUs off and on.  CPUs
 	  can be controlled through /sys/devices/system/cpu.
@@ -1060,6 +1060,7 @@ source "arch/i386/oprofile/Kconfig"
 
 config KPROBES
 	bool "Kprobes (EXPERIMENTAL)"
+	depends on EXPERIMENTAL && MODULES
 	help
 	  Kprobes allows you to trap at almost any kernel address and
 	  execute a callback function.  register_kprobe() establishes
diff --git a/arch/i386/kernel/Makefile b/arch/i386/kernel/Makefile
index 60c3f76..53bb9a7 100644
--- a/arch/i386/kernel/Makefile
+++ b/arch/i386/kernel/Makefile
@@ -7,7 +7,7 @@ extra-y := head.o init_task.o vmlinux.lds
 obj-y	:= process.o semaphore.o signal.o entry.o traps.o irq.o \
 		ptrace.o time.o ioport.o ldt.o setup.o i8259.o sys_i386.o \
 		pci-dma.o i386_ksyms.o i387.o dmi_scan.o bootflag.o \
-		quirks.o i8237.o
+		quirks.o i8237.o topology.o
 
 obj-y				+= cpu/
 obj-y				+= timers/
diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index 79577f0..8309a7b 100644
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -44,9 +44,6 @@ extern void __init clustered_apic_check(void);
 extern int gsi_irq_sharing(int gsi);
 #include <asm/proto.h>
 
-static inline int acpi_madt_oem_check(char *oem_id, char *oem_table_id) { return 0; }
-
-
 #else				/* X86 */
 
 #ifdef	CONFIG_X86_LOCAL_APIC
diff --git a/arch/i386/kernel/cpu/common.c b/arch/i386/kernel/cpu/common.c
index 7eb9213..4ecd4b3 100644
--- a/arch/i386/kernel/cpu/common.c
+++ b/arch/i386/kernel/cpu/common.c
@@ -4,6 +4,7 @@
 #include <linux/smp.h>
 #include <linux/module.h>
 #include <linux/percpu.h>
+#include <linux/bootmem.h>
 #include <asm/semaphore.h>
 #include <asm/processor.h>
 #include <asm/i387.h>
@@ -18,6 +19,9 @@
 
 #include "cpu.h"
 
+DEFINE_PER_CPU(struct Xgt_desc_struct, cpu_gdt_descr);
+EXPORT_PER_CPU_SYMBOL(cpu_gdt_descr);
+
 DEFINE_PER_CPU(unsigned char, cpu_16bit_stack[CPU_16BIT_STACK_SIZE]);
 EXPORT_PER_CPU_SYMBOL(cpu_16bit_stack);
 
@@ -571,8 +575,9 @@ void __devinit cpu_init(void)
 	int cpu = smp_processor_id();
 	struct tss_struct * t = &per_cpu(init_tss, cpu);
 	struct thread_struct *thread = &current->thread;
-	struct desc_struct *gdt = get_cpu_gdt_table(cpu);
+	struct desc_struct *gdt;
 	__u32 stk16_off = (__u32)&per_cpu(cpu_16bit_stack, cpu);
+	struct Xgt_desc_struct *cpu_gdt_descr = &per_cpu(cpu_gdt_descr, cpu);
 
 	if (cpu_test_and_set(cpu, cpu_initialized)) {
 		printk(KERN_WARNING "CPU#%d already initialized!\n", cpu);
@@ -590,6 +595,25 @@ void __devinit cpu_init(void)
 	}
 
 	/*
+	 * This is a horrible hack to allocate the GDT.  The problem
+	 * is that cpu_init() is called really early for the boot CPU
+	 * (and hence needs bootmem) but much later for the secondary
+	 * CPUs, when bootmem will have gone away
+	 */
+	if (NODE_DATA(0)->bdata->node_bootmem_map) {
+		gdt = (struct desc_struct *)alloc_bootmem_pages(PAGE_SIZE);
+		/* alloc_bootmem_pages panics on failure, so no check */
+		memset(gdt, 0, PAGE_SIZE);
+	} else {
+		gdt = (struct desc_struct *)get_zeroed_page(GFP_KERNEL);
+		if (unlikely(!gdt)) {
+			printk(KERN_CRIT "CPU%d failed to allocate GDT\n", cpu);
+			for (;;)
+				local_irq_enable();
+		}
+	}
+
+	/*
 	 * Initialize the per-CPU GDT with the boot GDT,
 	 * and set up the GDT descriptor:
 	 */
@@ -601,10 +625,10 @@ void __devinit cpu_init(void)
 		((((__u64)stk16_off) << 32) & 0xff00000000000000ULL) |
 		(CPU_16BIT_STACK_SIZE - 1);
 
-	cpu_gdt_descr[cpu].size = GDT_SIZE - 1;
- 	cpu_gdt_descr[cpu].address = (unsigned long)gdt;
+	cpu_gdt_descr->size = GDT_SIZE - 1;
+ 	cpu_gdt_descr->address = (unsigned long)gdt;
 
-	load_gdt(&cpu_gdt_descr[cpu]);
+	load_gdt(cpu_gdt_descr);
 	load_idt(&idt_descr);
 
 	/*
diff --git a/arch/i386/kernel/efi.c b/arch/i386/kernel/efi.c
index ecad519..e3e42fd 100644
--- a/arch/i386/kernel/efi.c
+++ b/arch/i386/kernel/efi.c
@@ -103,17 +103,19 @@ static void efi_call_phys_prelog(void)
 	 */
 	local_flush_tlb();
 
-	cpu_gdt_descr[0].address = __pa(cpu_gdt_descr[0].address);
-	load_gdt((struct Xgt_desc_struct *) __pa(&cpu_gdt_descr[0]));
+	per_cpu(cpu_gdt_descr, 0).address =
+				 __pa(per_cpu(cpu_gdt_descr, 0).address);
+	load_gdt((struct Xgt_desc_struct *)__pa(&per_cpu(cpu_gdt_descr, 0)));
 }
 
 static void efi_call_phys_epilog(void)
 {
 	unsigned long cr4;
 
-	cpu_gdt_descr[0].address =
-		(unsigned long) __va(cpu_gdt_descr[0].address);
-	load_gdt(&cpu_gdt_descr[0]);
+	per_cpu(cpu_gdt_descr, 0).address =
+			(unsigned long)__va(per_cpu(cpu_gdt_descr, 0).address);
+	load_gdt((struct Xgt_desc_struct *)__va(&per_cpu(cpu_gdt_descr, 0)));
+
 	cr4 = read_cr4();
 
 	if (cr4 & X86_CR4_PSE) {
diff --git a/arch/i386/kernel/head.S b/arch/i386/kernel/head.S
index 2bee649..e0b7c63 100644
--- a/arch/i386/kernel/head.S
+++ b/arch/i386/kernel/head.S
@@ -534,5 +534,3 @@ ENTRY(cpu_gdt_table)
 	.quad 0x0000000000000000	/* 0xf0 - unused */
 	.quad 0x0000000000000000	/* 0xf8 - GDT entry 31: double-fault TSS */
 
-	/* Be sure this is zeroed to avoid false validations in Xen */
-	.fill PAGE_SIZE_asm / 8 - GDT_ENTRIES,8,0
diff --git a/arch/i386/kernel/i386_ksyms.c b/arch/i386/kernel/i386_ksyms.c
index 3999bec..0553250 100644
--- a/arch/i386/kernel/i386_ksyms.c
+++ b/arch/i386/kernel/i386_ksyms.c
@@ -3,8 +3,6 @@
 #include <asm/checksum.h>
 #include <asm/desc.h>
 
-EXPORT_SYMBOL_GPL(cpu_gdt_descr);
-
 EXPORT_SYMBOL(__down_failed);
 EXPORT_SYMBOL(__down_failed_interruptible);
 EXPORT_SYMBOL(__down_failed_trylock);
diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c
index f2dd218..235822b 100644
--- a/arch/i386/kernel/io_apic.c
+++ b/arch/i386/kernel/io_apic.c
@@ -2566,8 +2566,10 @@ int __init io_apic_get_unique_id (int ioapic, int apic_id)
 		spin_unlock_irqrestore(&ioapic_lock, flags);
 
 		/* Sanity check */
-		if (reg_00.bits.ID != apic_id)
-			panic("IOAPIC[%d]: Unable change apic_id!\n", ioapic);
+		if (reg_00.bits.ID != apic_id) {
+			printk("IOAPIC[%d]: Unable to change apic_id!\n", ioapic);
+			return -1;
+		}
 	}
 
 	apic_printk(APIC_VERBOSE, KERN_INFO
diff --git a/arch/i386/kernel/kprobes.c b/arch/i386/kernel/kprobes.c
index 6483eeb..694a139 100644
--- a/arch/i386/kernel/kprobes.c
+++ b/arch/i386/kernel/kprobes.c
@@ -58,6 +58,11 @@ static inline int is_IF_modifier(kprobe_opcode_t opcode)
 
 int __kprobes arch_prepare_kprobe(struct kprobe *p)
 {
+	/* insn: must be on special executable page on i386. */
+	p->ainsn.insn = get_insn_slot();
+	if (!p->ainsn.insn)
+		return -ENOMEM;
+
 	memcpy(p->ainsn.insn, p->addr, MAX_INSN_SIZE * sizeof(kprobe_opcode_t));
 	p->opcode = *p->addr;
 	return 0;
@@ -77,6 +82,13 @@ void __kprobes arch_disarm_kprobe(struct kprobe *p)
 			   (unsigned long) p->addr + sizeof(kprobe_opcode_t));
 }
 
+void __kprobes arch_remove_kprobe(struct kprobe *p)
+{
+	down(&kprobe_mutex);
+	free_insn_slot(p->ainsn.insn);
+	up(&kprobe_mutex);
+}
+
 static inline void save_previous_kprobe(struct kprobe_ctlblk *kcb)
 {
 	kcb->prev_kprobe.kp = kprobe_running();
@@ -111,7 +123,7 @@ static inline void prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
 	if (p->opcode == BREAKPOINT_INSTRUCTION)
 		regs->eip = (unsigned long)p->addr;
 	else
-		regs->eip = (unsigned long)&p->ainsn.insn;
+		regs->eip = (unsigned long)p->ainsn.insn;
 }
 
 /* Called with kretprobe_lock held */
@@ -351,7 +363,7 @@ static void __kprobes resume_execution(struct kprobe *p,
 {
 	unsigned long *tos = (unsigned long *)&regs->esp;
 	unsigned long next_eip = 0;
-	unsigned long copy_eip = (unsigned long)&p->ainsn.insn;
+	unsigned long copy_eip = (unsigned long)p->ainsn.insn;
 	unsigned long orig_eip = (unsigned long)p->addr;
 
 	switch (p->ainsn.insn[0]) {
diff --git a/arch/i386/kernel/mpparse.c b/arch/i386/kernel/mpparse.c
index e7609ab..e6e2f43 100644
--- a/arch/i386/kernel/mpparse.c
+++ b/arch/i386/kernel/mpparse.c
@@ -915,6 +915,7 @@ void __init mp_register_ioapic (
 	u32			gsi_base)
 {
 	int			idx = 0;
+	int			tmpid;
 
 	if (nr_ioapics >= MAX_IO_APICS) {
 		printk(KERN_ERR "ERROR: Max # of I/O APICs (%d) exceeded "
@@ -935,9 +936,14 @@ void __init mp_register_ioapic (
 
 	set_fixmap_nocache(FIX_IO_APIC_BASE_0 + idx, address);
 	if ((boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) && (boot_cpu_data.x86 < 15))
-		mp_ioapics[idx].mpc_apicid = io_apic_get_unique_id(idx, id);
+		tmpid = io_apic_get_unique_id(idx, id);
 	else
-		mp_ioapics[idx].mpc_apicid = id;
+		tmpid = id;
+	if (tmpid == -1) {
+		nr_ioapics--;
+		return;
+	}
+	mp_ioapics[idx].mpc_apicid = tmpid;
 	mp_ioapics[idx].mpc_apicver = io_apic_get_version(idx);
 	
 	/* 
diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c
index fb00ab7..eba7f53 100644
--- a/arch/i386/kernel/smpboot.c
+++ b/arch/i386/kernel/smpboot.c
@@ -898,12 +898,6 @@ static int __devinit do_boot_cpu(int apicid, int cpu)
 	unsigned long start_eip;
 	unsigned short nmi_high = 0, nmi_low = 0;
 
-	if (!cpu_gdt_descr[cpu].address &&
-	    !(cpu_gdt_descr[cpu].address = get_zeroed_page(GFP_KERNEL))) {
-		printk("Failed to allocate GDT for CPU %d\n", cpu);
-		return 1;
-	}
-
 	++cpucount;
 
 	/*
diff --git a/arch/i386/mach-default/topology.c b/arch/i386/kernel/topology.c
index b643140..67a0e1b 100644
--- a/arch/i386/mach-default/topology.c
+++ b/arch/i386/kernel/topology.c
@@ -1,12 +1,12 @@
 /*
- * arch/i386/mach-generic/topology.c - Populate driverfs with topology information
+ * arch/i386/kernel/topology.c - Populate driverfs with topology information
  *
  * Written by: Matthew Dobson, IBM Corporation
  * Original Code: Paul Dorwin, IBM Corporation, Patrick Mochel, OSDL
  *
  * Copyright (C) 2002, IBM Corp.
  *
- * All rights reserved.          
+ * All rights reserved.
  *
  * 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
@@ -34,7 +34,7 @@ static struct i386_cpu cpu_devices[NR_CPUS];
 
 int arch_register_cpu(int num){
 	struct node *parent = NULL;
-	
+
 #ifdef CONFIG_NUMA
 	int node = cpu_to_node(num);
 	if (node_online(node))
diff --git a/arch/i386/mach-default/Makefile b/arch/i386/mach-default/Makefile
index e95bb02..012fe34 100644
--- a/arch/i386/mach-default/Makefile
+++ b/arch/i386/mach-default/Makefile
@@ -2,4 +2,4 @@
 # Makefile for the linux kernel.
 #
 
-obj-y				:= setup.o topology.o
+obj-y				:= setup.o
diff --git a/arch/i386/mach-voyager/voyager_basic.c b/arch/i386/mach-voyager/voyager_basic.c
index aa49a33..b584060 100644
--- a/arch/i386/mach-voyager/voyager_basic.c
+++ b/arch/i386/mach-voyager/voyager_basic.c
@@ -23,6 +23,8 @@
 #include <linux/delay.h>
 #include <linux/reboot.h>
 #include <linux/sysrq.h>
+#include <linux/smp.h>
+#include <linux/nodemask.h>
 #include <asm/io.h>
 #include <asm/voyager.h>
 #include <asm/vic.h>
@@ -328,4 +330,3 @@ void machine_power_off(void)
 	if (pm_power_off)
 		pm_power_off();
 }
-
diff --git a/arch/i386/mach-voyager/voyager_smp.c b/arch/i386/mach-voyager/voyager_smp.c
index 6e4c3ba..8165626 100644
--- a/arch/i386/mach-voyager/voyager_smp.c
+++ b/arch/i386/mach-voyager/voyager_smp.c
@@ -402,6 +402,7 @@ find_smp_config(void)
 	cpus_addr(phys_cpu_present_map)[0] |= voyager_extended_cmos_read(VOYAGER_PROCESSOR_PRESENT_MASK + 1) << 8;
 	cpus_addr(phys_cpu_present_map)[0] |= voyager_extended_cmos_read(VOYAGER_PROCESSOR_PRESENT_MASK + 2) << 16;
 	cpus_addr(phys_cpu_present_map)[0] |= voyager_extended_cmos_read(VOYAGER_PROCESSOR_PRESENT_MASK + 3) << 24;
+	cpu_possible_map = phys_cpu_present_map;
 	printk("VOYAGER SMP: phys_cpu_present_map = 0x%lx\n", cpus_addr(phys_cpu_present_map)[0]);
 	/* Here we set up the VIC to enable SMP */
 	/* enable the CPIs by writing the base vector to their register */
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 845cd09..a85ea9d 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -453,6 +453,7 @@ source "arch/ia64/oprofile/Kconfig"
 
 config KPROBES
 	bool "Kprobes (EXPERIMENTAL)"
+	depends on EXPERIMENTAL && MODULES
 	help
 	  Kprobes allows you to trap at almost any kernel address and
 	  execute a callback function.  register_kprobe() establishes
diff --git a/arch/m32r/Makefile b/arch/m32r/Makefile
index 983d438..4b3c90b 100644
--- a/arch/m32r/Makefile
+++ b/arch/m32r/Makefile
@@ -12,14 +12,14 @@ CFLAGS_MODULE += -mmodel=large
 
 ifdef CONFIG_CHIP_VDEC2
 cflags-$(CONFIG_ISA_M32R2)	+= -DNO_FPU -Wa,-bitinst
-aflags-$(CONFIG_ISA_M32R2)	+= -DNO_FPU -Wa,-bitinst
+aflags-$(CONFIG_ISA_M32R2)	+= -DNO_FPU -O2 -Wa,-bitinst -Wa,-no-parallel
 else
 cflags-$(CONFIG_ISA_M32R2)	+= -DNO_FPU -m32r2
-aflags-$(CONFIG_ISA_M32R2)	+= -DNO_FPU -m32r2
+aflags-$(CONFIG_ISA_M32R2)	+= -DNO_FPU -m32r2 -O2
 endif
 
 cflags-$(CONFIG_ISA_M32R)	+= -DNO_FPU
-aflags-$(CONFIG_ISA_M32R)	+= -DNO_FPU -Wa,-no-bitinst
+aflags-$(CONFIG_ISA_M32R)	+= -DNO_FPU -O2 -Wa,-no-bitinst
 
 CFLAGS += $(cflags-y)
 AFLAGS += $(aflags-y)
diff --git a/arch/m32r/kernel/signal.c b/arch/m32r/kernel/signal.c
index 71763f7..cb33097 100644
--- a/arch/m32r/kernel/signal.c
+++ b/arch/m32r/kernel/signal.c
@@ -36,7 +36,7 @@ int do_signal(struct pt_regs *, sigset_t *);
 asmlinkage int
 sys_rt_sigsuspend(sigset_t *unewset, size_t sigsetsize,
 		  unsigned long r2, unsigned long r3, unsigned long r4,
-		  unsigned long r5, unsigned long r6, struct pt_regs regs)
+		  unsigned long r5, unsigned long r6, struct pt_regs *regs)
 {
 	sigset_t saveset, newset;
 
@@ -54,21 +54,21 @@ sys_rt_sigsuspend(sigset_t *unewset, size_t sigsetsize,
 	recalc_sigpending();
 	spin_unlock_irq(&current->sighand->siglock);
 
-	regs.r0 = -EINTR;
+	regs->r0 = -EINTR;
 	while (1) {
 		current->state = TASK_INTERRUPTIBLE;
 		schedule();
-		if (do_signal(&regs, &saveset))
-			return regs.r0;
+		if (do_signal(regs, &saveset))
+			return regs->r0;
 	}
 }
 
 asmlinkage int
 sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
 		unsigned long r2, unsigned long r3, unsigned long r4,
-		unsigned long r5, unsigned long r6, struct pt_regs regs)
+		unsigned long r5, unsigned long r6, struct pt_regs *regs)
 {
-	return do_sigaltstack(uss, uoss, regs.spu);
+	return do_sigaltstack(uss, uoss, regs->spu);
 }
 
 
@@ -140,11 +140,10 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc,
 asmlinkage int
 sys_rt_sigreturn(unsigned long r0, unsigned long r1,
 		 unsigned long r2, unsigned long r3, unsigned long r4,
-		 unsigned long r5, unsigned long r6, struct pt_regs regs)
+		 unsigned long r5, unsigned long r6, struct pt_regs *regs)
 {
-	struct rt_sigframe __user *frame = (struct rt_sigframe __user *)regs.spu;
+	struct rt_sigframe __user *frame = (struct rt_sigframe __user *)regs->spu;
 	sigset_t set;
-	stack_t st;
 	int result;
 
 	if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
@@ -158,14 +157,11 @@ sys_rt_sigreturn(unsigned long r0, unsigned long r1,
 	recalc_sigpending();
 	spin_unlock_irq(&current->sighand->siglock);
 
-	if (restore_sigcontext(&regs, &frame->uc.uc_mcontext, &result))
+	if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &result))
 		goto badframe;
 
-	if (__copy_from_user(&st, &frame->uc.uc_stack, sizeof(st)))
+	if (do_sigaltstack(&frame->uc.uc_stack, NULL, regs->spu) == -EFAULT)
 		goto badframe;
-	/* It is more difficult to avoid calling this function than to
-	   call it and ignore errors.  */
-	do_sigaltstack(&st, NULL, regs.spu);
 
 	return result;
 
diff --git a/arch/m32r/lib/usercopy.c b/arch/m32r/lib/usercopy.c
index ce16bbe..2d1dd21 100644
--- a/arch/m32r/lib/usercopy.c
+++ b/arch/m32r/lib/usercopy.c
@@ -64,7 +64,7 @@ do {									\
 		"	.balign 4\n"					\
 		"	.long 0b,3b\n"					\
 		".previous"						\
-		: "=r"(res), "=r"(count), "=&r" (__d0), "=&r" (__d1),	\
+		: "=&r"(res), "=&r"(count), "=&r" (__d0), "=&r" (__d1),	\
 		  "=&r" (__d2)						\
 		: "i"(-EFAULT), "0"(count), "1"(count), "3"(src), 	\
 		  "4"(dst)						\
@@ -101,7 +101,7 @@ do {									\
 		"	.balign 4\n"					\
 		"	.long 0b,3b\n"					\
 		".previous"						\
-		: "=r"(res), "=r"(count), "=&r" (__d0), "=&r" (__d1),	\
+		: "=&r"(res), "=&r"(count), "=&r" (__d0), "=&r" (__d1),	\
 		  "=&r" (__d2)						\
 		: "i"(-EFAULT), "0"(count), "1"(count), "3"(src),	\
 		  "4"(dst)						\
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index d83e033..2f2dc54 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -626,7 +626,7 @@ einval:	li	v0, -EINVAL
 	sys	sys_fstatat64		4
 	sys	sys_unlinkat		3
 	sys	sys_renameat		4	/* 4295 */
-	sys	sys_linkat		4
+	sys	sys_linkat		5
 	sys	sys_symlinkat		3
 	sys	sys_readlinkat		4
 	sys	sys_fchmodat		3
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 80d114a..a834f9e 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -963,7 +963,7 @@ source "arch/powerpc/oprofile/Kconfig"
 
 config KPROBES
 	bool "Kprobes (EXPERIMENTAL)"
-	depends on PPC64
+	depends on PPC64 && EXPERIMENTAL && MODULES
 	help
 	  Kprobes allows you to trap at almost any kernel address and
 	  execute a callback function.  register_kprobe() establishes
diff --git a/arch/powerpc/configs/g5_defconfig b/arch/powerpc/configs/g5_defconfig
index d6fed3f..2c3fd20 100644
--- a/arch/powerpc/configs/g5_defconfig
+++ b/arch/powerpc/configs/g5_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.15-rc5
-# Tue Dec 20 15:59:30 2005
+# Linux kernel version: 2.6.16-rc2
+# Fri Feb 10 17:33:08 2006
 #
 CONFIG_PPC64=y
 CONFIG_64BIT=y
@@ -16,6 +16,10 @@ CONFIG_COMPAT=y
 CONFIG_SYSVIPC_COMPAT=y
 CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
 CONFIG_ARCH_MAY_HAVE_PC_FDC=y
+CONFIG_PPC_OF=y
+# CONFIG_PPC_UDBG_16550 is not set
+CONFIG_GENERIC_TBSYNC=y
+# CONFIG_DEFAULT_UIMAGE is not set
 
 #
 # Processor support
@@ -26,13 +30,12 @@ CONFIG_PPC_FPU=y
 CONFIG_ALTIVEC=y
 CONFIG_PPC_STD_MMU=y
 CONFIG_SMP=y
-CONFIG_NR_CPUS=2
+CONFIG_NR_CPUS=4
 
 #
 # Code maturity level options
 #
 CONFIG_EXPERIMENTAL=y
-CONFIG_CLEAN_COMPILE=y
 CONFIG_LOCK_KERNEL=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 
@@ -47,8 +50,6 @@ CONFIG_POSIX_MQUEUE=y
 # CONFIG_BSD_PROCESS_ACCT is not set
 CONFIG_SYSCTL=y
 # CONFIG_AUDIT is not set
-CONFIG_HOTPLUG=y
-CONFIG_KOBJECT_UEVENT=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 # CONFIG_CPUSETS is not set
@@ -58,8 +59,10 @@ CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
+CONFIG_ELF_CORE=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
@@ -68,8 +71,10 @@ CONFIG_CC_ALIGN_FUNCTIONS=0
 CONFIG_CC_ALIGN_LABELS=0
 CONFIG_CC_ALIGN_LOOPS=0
 CONFIG_CC_ALIGN_JUMPS=0
+CONFIG_SLAB=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
+# CONFIG_SLOB is not set
 
 #
 # Loadable module support
@@ -112,13 +117,12 @@ CONFIG_PPC_PMAC=y
 CONFIG_PPC_PMAC64=y
 # CONFIG_PPC_MAPLE is not set
 # CONFIG_PPC_CELL is not set
-CONFIG_PPC_OF=y
 CONFIG_U3_DART=y
 CONFIG_MPIC=y
 # CONFIG_PPC_RTAS is not set
 # CONFIG_MMIO_NVRAM is not set
+CONFIG_MPIC_BROKEN_U3=y
 # CONFIG_PPC_MPC106 is not set
-CONFIG_GENERIC_TBSYNC=y
 CONFIG_CPU_FREQ=y
 CONFIG_CPU_FREQ_TABLE=y
 # CONFIG_CPU_FREQ_DEBUG is not set
@@ -151,6 +155,7 @@ CONFIG_FORCE_MAX_ZONEORDER=13
 CONFIG_IOMMU_VMERGE=y
 # CONFIG_HOTPLUG_CPU is not set
 CONFIG_KEXEC=y
+# CONFIG_CRASH_DUMP is not set
 CONFIG_IRQ_ALL_CPUS=y
 # CONFIG_NUMA is not set
 CONFIG_ARCH_SELECT_MEMORY_MODEL=y
@@ -202,6 +207,7 @@ CONFIG_NET=y
 #
 # Networking options
 #
+# CONFIG_NETDEBUG is not set
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
@@ -239,6 +245,7 @@ CONFIG_NETFILTER=y
 # Core Netfilter Configuration
 #
 # CONFIG_NETFILTER_NETLINK is not set
+# CONFIG_NETFILTER_XTABLES is not set
 
 #
 # IP: Netfilter Configuration
@@ -255,65 +262,6 @@ CONFIG_IP_NF_TFTP=m
 CONFIG_IP_NF_AMANDA=m
 # CONFIG_IP_NF_PPTP is not set
 CONFIG_IP_NF_QUEUE=m
-CONFIG_IP_NF_IPTABLES=m
-CONFIG_IP_NF_MATCH_LIMIT=m
-CONFIG_IP_NF_MATCH_IPRANGE=m
-CONFIG_IP_NF_MATCH_MAC=m
-CONFIG_IP_NF_MATCH_PKTTYPE=m
-CONFIG_IP_NF_MATCH_MARK=m
-CONFIG_IP_NF_MATCH_MULTIPORT=m
-CONFIG_IP_NF_MATCH_TOS=m
-CONFIG_IP_NF_MATCH_RECENT=m
-CONFIG_IP_NF_MATCH_ECN=m
-CONFIG_IP_NF_MATCH_DSCP=m
-CONFIG_IP_NF_MATCH_AH_ESP=m
-CONFIG_IP_NF_MATCH_LENGTH=m
-CONFIG_IP_NF_MATCH_TTL=m
-CONFIG_IP_NF_MATCH_TCPMSS=m
-CONFIG_IP_NF_MATCH_HELPER=m
-CONFIG_IP_NF_MATCH_STATE=m
-CONFIG_IP_NF_MATCH_CONNTRACK=m
-CONFIG_IP_NF_MATCH_OWNER=m
-CONFIG_IP_NF_MATCH_ADDRTYPE=m
-CONFIG_IP_NF_MATCH_REALM=m
-CONFIG_IP_NF_MATCH_SCTP=m
-# CONFIG_IP_NF_MATCH_DCCP is not set
-CONFIG_IP_NF_MATCH_COMMENT=m
-CONFIG_IP_NF_MATCH_CONNMARK=m
-CONFIG_IP_NF_MATCH_CONNBYTES=m
-CONFIG_IP_NF_MATCH_HASHLIMIT=m
-CONFIG_IP_NF_MATCH_STRING=m
-CONFIG_IP_NF_FILTER=m
-CONFIG_IP_NF_TARGET_REJECT=m
-CONFIG_IP_NF_TARGET_LOG=m
-CONFIG_IP_NF_TARGET_ULOG=m
-CONFIG_IP_NF_TARGET_TCPMSS=m
-CONFIG_IP_NF_TARGET_NFQUEUE=m
-CONFIG_IP_NF_NAT=m
-CONFIG_IP_NF_NAT_NEEDED=y
-CONFIG_IP_NF_TARGET_MASQUERADE=m
-CONFIG_IP_NF_TARGET_REDIRECT=m
-CONFIG_IP_NF_TARGET_NETMAP=m
-CONFIG_IP_NF_TARGET_SAME=m
-CONFIG_IP_NF_NAT_SNMP_BASIC=m
-CONFIG_IP_NF_NAT_IRC=m
-CONFIG_IP_NF_NAT_FTP=m
-CONFIG_IP_NF_NAT_TFTP=m
-CONFIG_IP_NF_NAT_AMANDA=m
-CONFIG_IP_NF_MANGLE=m
-CONFIG_IP_NF_TARGET_TOS=m
-CONFIG_IP_NF_TARGET_ECN=m
-CONFIG_IP_NF_TARGET_DSCP=m
-CONFIG_IP_NF_TARGET_MARK=m
-CONFIG_IP_NF_TARGET_CLASSIFY=m
-CONFIG_IP_NF_TARGET_TTL=m
-CONFIG_IP_NF_TARGET_CONNMARK=m
-CONFIG_IP_NF_TARGET_CLUSTERIP=m
-CONFIG_IP_NF_RAW=m
-CONFIG_IP_NF_TARGET_NOTRACK=m
-CONFIG_IP_NF_ARPTABLES=m
-CONFIG_IP_NF_ARPFILTER=m
-CONFIG_IP_NF_ARP_MANGLE=m
 
 #
 # DCCP Configuration (EXPERIMENTAL)
@@ -324,6 +272,11 @@ CONFIG_IP_NF_ARP_MANGLE=m
 # SCTP Configuration (EXPERIMENTAL)
 #
 # CONFIG_IP_SCTP is not set
+
+#
+# TIPC Configuration (EXPERIMENTAL)
+#
+# CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
 # CONFIG_VLAN_8021Q is not set
@@ -342,7 +295,6 @@ CONFIG_LLC=y
 # QoS and/or fair queueing
 #
 # CONFIG_NET_SCHED is not set
-CONFIG_NET_CLS_ROUTE=y
 
 #
 # Network testing
@@ -545,13 +497,7 @@ CONFIG_SCSI_SATA_SVW=y
 # CONFIG_SCSI_IPR is not set
 # CONFIG_SCSI_QLOGIC_FC is not set
 # CONFIG_SCSI_QLOGIC_1280 is not set
-CONFIG_SCSI_QLA2XXX=y
-# CONFIG_SCSI_QLA21XX is not set
-# CONFIG_SCSI_QLA22XX is not set
-# CONFIG_SCSI_QLA2300 is not set
-# CONFIG_SCSI_QLA2322 is not set
-# CONFIG_SCSI_QLA6312 is not set
-# CONFIG_SCSI_QLA24XX is not set
+# CONFIG_SCSI_QLA_FC is not set
 # CONFIG_SCSI_LPFC is not set
 # CONFIG_SCSI_DC395x is not set
 # CONFIG_SCSI_DC390T is not set
@@ -614,7 +560,6 @@ CONFIG_IEEE1394_SBP2=m
 CONFIG_IEEE1394_ETH1394=m
 CONFIG_IEEE1394_DV1394=m
 CONFIG_IEEE1394_RAWIO=y
-# CONFIG_IEEE1394_CMP is not set
 
 #
 # I2O device support
@@ -630,6 +575,7 @@ CONFIG_THERM_PM72=y
 CONFIG_WINDFARM=y
 CONFIG_WINDFARM_PM81=y
 CONFIG_WINDFARM_PM91=y
+CONFIG_WINDFARM_PM112=y
 
 #
 # Network device support
@@ -682,8 +628,9 @@ CONFIG_E1000=y
 # CONFIG_R8169 is not set
 # CONFIG_SIS190 is not set
 # CONFIG_SKGE is not set
+# CONFIG_SKY2 is not set
 # CONFIG_SK98LIN is not set
-CONFIG_TIGON3=m
+CONFIG_TIGON3=y
 # CONFIG_BNX2 is not set
 # CONFIG_MV643XX_ETH is not set
 
@@ -861,8 +808,7 @@ CONFIG_I2C_ALGOBIT=y
 # CONFIG_I2C_I801 is not set
 # CONFIG_I2C_I810 is not set
 # CONFIG_I2C_PIIX4 is not set
-CONFIG_I2C_KEYWEST=y
-CONFIG_I2C_PMAC_SMU=y
+CONFIG_I2C_POWERMAC=y
 # CONFIG_I2C_NFORCE2 is not set
 # CONFIG_I2C_PARPORT_LIGHT is not set
 # CONFIG_I2C_PROSAVAGE is not set
@@ -895,6 +841,12 @@ CONFIG_I2C_PMAC_SMU=y
 # CONFIG_I2C_DEBUG_CHIP is not set
 
 #
+# SPI support
+#
+# CONFIG_SPI is not set
+# CONFIG_SPI_MASTER is not set
+
+#
 # Dallas's 1-wire bus
 #
 # CONFIG_W1 is not set
@@ -961,7 +913,6 @@ CONFIG_FB_RADEON_I2C=y
 # CONFIG_FB_KYRO is not set
 # CONFIG_FB_3DFX is not set
 # CONFIG_FB_VOODOO1 is not set
-# CONFIG_FB_CYBLA is not set
 # CONFIG_FB_TRIDENT is not set
 # CONFIG_FB_VIRTUAL is not set
 
@@ -1008,9 +959,10 @@ CONFIG_SND_OSSEMUL=y
 CONFIG_SND_MIXER_OSS=m
 CONFIG_SND_PCM_OSS=m
 CONFIG_SND_SEQUENCER_OSS=y
+# CONFIG_SND_DYNAMIC_MINORS is not set
+CONFIG_SND_SUPPORT_OLD_API=y
 # CONFIG_SND_VERBOSE_PRINTK is not set
 # CONFIG_SND_DEBUG is not set
-CONFIG_SND_GENERIC_DRIVER=y
 
 #
 # Generic devices
@@ -1024,6 +976,8 @@ CONFIG_SND_GENERIC_DRIVER=y
 #
 # PCI devices
 #
+# CONFIG_SND_AD1889 is not set
+# CONFIG_SND_ALS4000 is not set
 # CONFIG_SND_ALI5451 is not set
 # CONFIG_SND_ATIIXP is not set
 # CONFIG_SND_ATIIXP_MODEM is not set
@@ -1032,39 +986,38 @@ CONFIG_SND_GENERIC_DRIVER=y
 # CONFIG_SND_AU8830 is not set
 # CONFIG_SND_AZT3328 is not set
 # CONFIG_SND_BT87X is not set
-# CONFIG_SND_CS46XX is not set
+# CONFIG_SND_CA0106 is not set
+# CONFIG_SND_CMIPCI is not set
 # CONFIG_SND_CS4281 is not set
+# CONFIG_SND_CS46XX is not set
 # CONFIG_SND_EMU10K1 is not set
 # CONFIG_SND_EMU10K1X is not set
-# CONFIG_SND_CA0106 is not set
-# CONFIG_SND_KORG1212 is not set
-# CONFIG_SND_MIXART is not set
-# CONFIG_SND_NM256 is not set
-# CONFIG_SND_RME32 is not set
-# CONFIG_SND_RME96 is not set
-# CONFIG_SND_RME9652 is not set
-# CONFIG_SND_HDSP is not set
-# CONFIG_SND_HDSPM is not set
-# CONFIG_SND_TRIDENT is not set
-# CONFIG_SND_YMFPCI is not set
-# CONFIG_SND_AD1889 is not set
-# CONFIG_SND_ALS4000 is not set
-# CONFIG_SND_CMIPCI is not set
 # CONFIG_SND_ENS1370 is not set
 # CONFIG_SND_ENS1371 is not set
 # CONFIG_SND_ES1938 is not set
 # CONFIG_SND_ES1968 is not set
-# CONFIG_SND_MAESTRO3 is not set
 # CONFIG_SND_FM801 is not set
+# CONFIG_SND_HDA_INTEL is not set
+# CONFIG_SND_HDSP is not set
+# CONFIG_SND_HDSPM is not set
 # CONFIG_SND_ICE1712 is not set
 # CONFIG_SND_ICE1724 is not set
 # CONFIG_SND_INTEL8X0 is not set
 # CONFIG_SND_INTEL8X0M is not set
+# CONFIG_SND_KORG1212 is not set
+# CONFIG_SND_MAESTRO3 is not set
+# CONFIG_SND_MIXART is not set
+# CONFIG_SND_NM256 is not set
+# CONFIG_SND_PCXHR is not set
+# CONFIG_SND_RME32 is not set
+# CONFIG_SND_RME96 is not set
+# CONFIG_SND_RME9652 is not set
 # CONFIG_SND_SONICVIBES is not set
+# CONFIG_SND_TRIDENT is not set
 # CONFIG_SND_VIA82XX is not set
 # CONFIG_SND_VIA82XX_MODEM is not set
 # CONFIG_SND_VX222 is not set
-# CONFIG_SND_HDA_INTEL is not set
+# CONFIG_SND_YMFPCI is not set
 
 #
 # ALSA PowerMac devices
@@ -1136,13 +1089,16 @@ CONFIG_USB_STORAGE_DPCM=y
 CONFIG_USB_STORAGE_SDDR09=y
 CONFIG_USB_STORAGE_SDDR55=y
 CONFIG_USB_STORAGE_JUMPSHOT=y
+# CONFIG_USB_STORAGE_ALAUDA is not set
 # CONFIG_USB_STORAGE_ONETOUCH is not set
+# CONFIG_USB_LIBUSUAL is not set
 
 #
 # USB Input Devices
 #
 CONFIG_USB_HID=y
 CONFIG_USB_HIDINPUT=y
+# CONFIG_USB_HIDINPUT_POWERBOOK is not set
 CONFIG_HID_FF=y
 CONFIG_HID_PID=y
 CONFIG_LOGITECH_FF=y
@@ -1159,6 +1115,7 @@ CONFIG_USB_HIDDEV=y
 # CONFIG_USB_YEALINK is not set
 # CONFIG_USB_XPAD is not set
 # CONFIG_USB_ATI_REMOTE is not set
+# CONFIG_USB_ATI_REMOTE2 is not set
 # CONFIG_USB_KEYSPAN_REMOTE is not set
 # CONFIG_USB_APPLETOUCH is not set
 
@@ -1207,6 +1164,7 @@ CONFIG_USB_SERIAL_GENERIC=y
 # CONFIG_USB_SERIAL_AIRPRIME is not set
 # CONFIG_USB_SERIAL_ANYDATA is not set
 CONFIG_USB_SERIAL_BELKIN=m
+# CONFIG_USB_SERIAL_WHITEHEAT is not set
 CONFIG_USB_SERIAL_DIGI_ACCELEPORT=m
 # CONFIG_USB_SERIAL_CP2101 is not set
 CONFIG_USB_SERIAL_CYPRESS_M8=m
@@ -1288,6 +1246,10 @@ CONFIG_USB_EZUSB=y
 #
 
 #
+# EDAC - error detection and reporting (RAS)
+#
+
+#
 # File systems
 #
 CONFIG_EXT2_FS=y
@@ -1317,6 +1279,7 @@ CONFIG_XFS_EXPORT=y
 CONFIG_XFS_SECURITY=y
 CONFIG_XFS_POSIX_ACL=y
 # CONFIG_XFS_RT is not set
+# CONFIG_OCFS2_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_ROMFS_FS is not set
 CONFIG_INOTIFY=y
@@ -1357,6 +1320,7 @@ CONFIG_HUGETLBFS=y
 CONFIG_HUGETLB_PAGE=y
 CONFIG_RAMFS=y
 # CONFIG_RELAYFS_FS is not set
+# CONFIG_CONFIGFS_FS is not set
 
 #
 # Miscellaneous filesystems
@@ -1426,6 +1390,7 @@ CONFIG_MSDOS_PARTITION=y
 # CONFIG_SGI_PARTITION is not set
 # CONFIG_ULTRIX_PARTITION is not set
 # CONFIG_SUN_PARTITION is not set
+# CONFIG_KARMA_PARTITION is not set
 # CONFIG_EFI_PARTITION is not set
 
 #
@@ -1481,10 +1446,6 @@ CONFIG_CRC32=y
 CONFIG_LIBCRC32C=m
 CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=m
-CONFIG_TEXTSEARCH=y
-CONFIG_TEXTSEARCH_KMP=m
-CONFIG_TEXTSEARCH_BM=m
-CONFIG_TEXTSEARCH_FSM=m
 
 #
 # Instrumentation Support
@@ -1497,24 +1458,31 @@ CONFIG_OPROFILE=y
 # Kernel hacking
 #
 # CONFIG_PRINTK_TIME is not set
-CONFIG_DEBUG_KERNEL=y
 CONFIG_MAGIC_SYSRQ=y
+CONFIG_DEBUG_KERNEL=y
 CONFIG_LOG_BUF_SHIFT=17
 CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_DEBUG_SLAB is not set
+CONFIG_DEBUG_MUTEXES=y
 # CONFIG_DEBUG_SPINLOCK is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_KOBJECT is not set
 # CONFIG_DEBUG_INFO is not set
 CONFIG_DEBUG_FS=y
 # CONFIG_DEBUG_VM is not set
+CONFIG_FORCED_INLINING=y
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_DEBUG_STACKOVERFLOW is not set
 # CONFIG_DEBUG_STACK_USAGE is not set
 # CONFIG_DEBUGGER is not set
 CONFIG_IRQSTACKS=y
 CONFIG_BOOTX_TEXT=y
+# CONFIG_PPC_EARLY_DEBUG_LPAR is not set
+# CONFIG_PPC_EARLY_DEBUG_G5 is not set
+# CONFIG_PPC_EARLY_DEBUG_RTAS is not set
+# CONFIG_PPC_EARLY_DEBUG_MAPLE is not set
+# CONFIG_PPC_EARLY_DEBUG_ISERIES is not set
 
 #
 # Security options
diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig
index 6f6c6be..0362a70 100644
--- a/arch/powerpc/configs/ppc64_defconfig
+++ b/arch/powerpc/configs/ppc64_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.15-rc5
-# Tue Dec 20 15:59:38 2005
+# Linux kernel version: 2.6.16-rc2
+# Fri Feb 10 17:32:14 2006
 #
 CONFIG_PPC64=y
 CONFIG_64BIT=y
@@ -16,6 +16,10 @@ CONFIG_COMPAT=y
 CONFIG_SYSVIPC_COMPAT=y
 CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
 CONFIG_ARCH_MAY_HAVE_PC_FDC=y
+CONFIG_PPC_OF=y
+CONFIG_PPC_UDBG_16550=y
+CONFIG_GENERIC_TBSYNC=y
+# CONFIG_DEFAULT_UIMAGE is not set
 
 #
 # Processor support
@@ -33,7 +37,6 @@ CONFIG_NR_CPUS=32
 # Code maturity level options
 #
 CONFIG_EXPERIMENTAL=y
-CONFIG_CLEAN_COMPILE=y
 CONFIG_LOCK_KERNEL=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 
@@ -48,8 +51,6 @@ CONFIG_POSIX_MQUEUE=y
 # CONFIG_BSD_PROCESS_ACCT is not set
 CONFIG_SYSCTL=y
 # CONFIG_AUDIT is not set
-CONFIG_HOTPLUG=y
-CONFIG_KOBJECT_UEVENT=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_CPUSETS=y
@@ -59,8 +60,10 @@ CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_KALLSYMS=y
 CONFIG_KALLSYMS_ALL=y
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
+CONFIG_ELF_CORE=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
@@ -69,8 +72,10 @@ CONFIG_CC_ALIGN_FUNCTIONS=0
 CONFIG_CC_ALIGN_LABELS=0
 CONFIG_CC_ALIGN_LOOPS=0
 CONFIG_CC_ALIGN_JUMPS=0
+CONFIG_SLAB=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
+# CONFIG_SLOB is not set
 
 #
 # Loadable module support
@@ -113,7 +118,6 @@ CONFIG_PPC_PMAC=y
 CONFIG_PPC_PMAC64=y
 CONFIG_PPC_MAPLE=y
 # CONFIG_PPC_CELL is not set
-CONFIG_PPC_OF=y
 CONFIG_XICS=y
 CONFIG_U3_DART=y
 CONFIG_MPIC=y
@@ -124,8 +128,8 @@ CONFIG_RTAS_FLASH=m
 # CONFIG_MMIO_NVRAM is not set
 CONFIG_MPIC_BROKEN_U3=y
 CONFIG_IBMVIO=y
+# CONFIG_IBMEBUS is not set
 # CONFIG_PPC_MPC106 is not set
-CONFIG_GENERIC_TBSYNC=y
 CONFIG_CPU_FREQ=y
 CONFIG_CPU_FREQ_TABLE=y
 # CONFIG_CPU_FREQ_DEBUG is not set
@@ -158,6 +162,7 @@ CONFIG_FORCE_MAX_ZONEORDER=13
 CONFIG_IOMMU_VMERGE=y
 CONFIG_HOTPLUG_CPU=y
 CONFIG_KEXEC=y
+# CONFIG_CRASH_DUMP is not set
 CONFIG_IRQ_ALL_CPUS=y
 CONFIG_PPC_SPLPAR=y
 CONFIG_EEH=y
@@ -178,6 +183,7 @@ CONFIG_HAVE_MEMORY_PRESENT=y
 CONFIG_SPARSEMEM_EXTREME=y
 # CONFIG_MEMORY_HOTPLUG is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+CONFIG_MIGRATION=y
 # CONFIG_PPC_64K_PAGES is not set
 # CONFIG_SCHED_SMT is not set
 CONFIG_PROC_DEVICETREE=y
@@ -221,6 +227,7 @@ CONFIG_NET=y
 #
 # Networking options
 #
+# CONFIG_NETDEBUG is not set
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
@@ -260,6 +267,7 @@ CONFIG_NETFILTER=y
 CONFIG_NETFILTER_NETLINK=y
 CONFIG_NETFILTER_NETLINK_QUEUE=m
 CONFIG_NETFILTER_NETLINK_LOG=m
+# CONFIG_NETFILTER_XTABLES is not set
 
 #
 # IP: Netfilter Configuration
@@ -277,65 +285,6 @@ CONFIG_IP_NF_TFTP=m
 CONFIG_IP_NF_AMANDA=m
 # CONFIG_IP_NF_PPTP is not set
 CONFIG_IP_NF_QUEUE=m
-CONFIG_IP_NF_IPTABLES=m
-CONFIG_IP_NF_MATCH_LIMIT=m
-CONFIG_IP_NF_MATCH_IPRANGE=m
-CONFIG_IP_NF_MATCH_MAC=m
-CONFIG_IP_NF_MATCH_PKTTYPE=m
-CONFIG_IP_NF_MATCH_MARK=m
-CONFIG_IP_NF_MATCH_MULTIPORT=m
-CONFIG_IP_NF_MATCH_TOS=m
-CONFIG_IP_NF_MATCH_RECENT=m
-CONFIG_IP_NF_MATCH_ECN=m
-CONFIG_IP_NF_MATCH_DSCP=m
-CONFIG_IP_NF_MATCH_AH_ESP=m
-CONFIG_IP_NF_MATCH_LENGTH=m
-CONFIG_IP_NF_MATCH_TTL=m
-CONFIG_IP_NF_MATCH_TCPMSS=m
-CONFIG_IP_NF_MATCH_HELPER=m
-CONFIG_IP_NF_MATCH_STATE=m
-CONFIG_IP_NF_MATCH_CONNTRACK=m
-CONFIG_IP_NF_MATCH_OWNER=m
-CONFIG_IP_NF_MATCH_ADDRTYPE=m
-CONFIG_IP_NF_MATCH_REALM=m
-CONFIG_IP_NF_MATCH_SCTP=m
-CONFIG_IP_NF_MATCH_DCCP=m
-CONFIG_IP_NF_MATCH_COMMENT=m
-CONFIG_IP_NF_MATCH_CONNMARK=m
-CONFIG_IP_NF_MATCH_CONNBYTES=m
-CONFIG_IP_NF_MATCH_HASHLIMIT=m
-CONFIG_IP_NF_MATCH_STRING=m
-CONFIG_IP_NF_FILTER=m
-CONFIG_IP_NF_TARGET_REJECT=m
-CONFIG_IP_NF_TARGET_LOG=m
-CONFIG_IP_NF_TARGET_ULOG=m
-CONFIG_IP_NF_TARGET_TCPMSS=m
-CONFIG_IP_NF_TARGET_NFQUEUE=m
-CONFIG_IP_NF_NAT=m
-CONFIG_IP_NF_NAT_NEEDED=y
-CONFIG_IP_NF_TARGET_MASQUERADE=m
-CONFIG_IP_NF_TARGET_REDIRECT=m
-CONFIG_IP_NF_TARGET_NETMAP=m
-CONFIG_IP_NF_TARGET_SAME=m
-CONFIG_IP_NF_NAT_SNMP_BASIC=m
-CONFIG_IP_NF_NAT_IRC=m
-CONFIG_IP_NF_NAT_FTP=m
-CONFIG_IP_NF_NAT_TFTP=m
-CONFIG_IP_NF_NAT_AMANDA=m
-CONFIG_IP_NF_MANGLE=m
-CONFIG_IP_NF_TARGET_TOS=m
-CONFIG_IP_NF_TARGET_ECN=m
-CONFIG_IP_NF_TARGET_DSCP=m
-CONFIG_IP_NF_TARGET_MARK=m
-CONFIG_IP_NF_TARGET_CLASSIFY=m
-CONFIG_IP_NF_TARGET_TTL=m
-CONFIG_IP_NF_TARGET_CONNMARK=m
-CONFIG_IP_NF_TARGET_CLUSTERIP=m
-CONFIG_IP_NF_RAW=m
-CONFIG_IP_NF_TARGET_NOTRACK=m
-CONFIG_IP_NF_ARPTABLES=m
-CONFIG_IP_NF_ARPFILTER=m
-CONFIG_IP_NF_ARP_MANGLE=m
 
 #
 # DCCP Configuration (EXPERIMENTAL)
@@ -346,6 +295,11 @@ CONFIG_IP_NF_ARP_MANGLE=m
 # SCTP Configuration (EXPERIMENTAL)
 #
 # CONFIG_IP_SCTP is not set
+
+#
+# TIPC Configuration (EXPERIMENTAL)
+#
+# CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
 # CONFIG_VLAN_8021Q is not set
@@ -364,7 +318,6 @@ CONFIG_LLC=y
 # QoS and/or fair queueing
 #
 # CONFIG_NET_SCHED is not set
-CONFIG_NET_CLS_ROUTE=y
 
 #
 # Network testing
@@ -572,13 +525,7 @@ CONFIG_SCSI_IPR_TRACE=y
 CONFIG_SCSI_IPR_DUMP=y
 # CONFIG_SCSI_QLOGIC_FC is not set
 # CONFIG_SCSI_QLOGIC_1280 is not set
-CONFIG_SCSI_QLA2XXX=y
-CONFIG_SCSI_QLA21XX=m
-CONFIG_SCSI_QLA22XX=m
-CONFIG_SCSI_QLA2300=m
-CONFIG_SCSI_QLA2322=m
-CONFIG_SCSI_QLA6312=m
-CONFIG_SCSI_QLA24XX=m
+# CONFIG_SCSI_QLA_FC is not set
 CONFIG_SCSI_LPFC=m
 # CONFIG_SCSI_DC395x is not set
 # CONFIG_SCSI_DC390T is not set
@@ -642,8 +589,6 @@ CONFIG_IEEE1394_SBP2=m
 CONFIG_IEEE1394_ETH1394=m
 CONFIG_IEEE1394_DV1394=m
 CONFIG_IEEE1394_RAWIO=y
-CONFIG_IEEE1394_CMP=m
-CONFIG_IEEE1394_AMDTP=m
 
 #
 # I2O device support
@@ -659,6 +604,7 @@ CONFIG_THERM_PM72=y
 CONFIG_WINDFARM=y
 CONFIG_WINDFARM_PM81=y
 CONFIG_WINDFARM_PM91=y
+CONFIG_WINDFARM_PM112=y
 
 #
 # Network device support
@@ -731,6 +677,7 @@ CONFIG_E1000=y
 # CONFIG_R8169 is not set
 # CONFIG_SIS190 is not set
 # CONFIG_SKGE is not set
+# CONFIG_SKY2 is not set
 # CONFIG_SK98LIN is not set
 # CONFIG_VIA_VELOCITY is not set
 CONFIG_TIGON3=y
@@ -853,6 +800,7 @@ CONFIG_HW_CONSOLE=y
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_8250_NR_UARTS=4
+CONFIG_SERIAL_8250_RUNTIME_UARTS=4
 # CONFIG_SERIAL_8250_EXTENDED is not set
 
 #
@@ -880,6 +828,7 @@ CONFIG_HVCS=m
 # CONFIG_WATCHDOG is not set
 # CONFIG_RTC is not set
 CONFIG_GEN_RTC=y
+# CONFIG_GEN_RTC_X is not set
 # CONFIG_DTLK is not set
 # CONFIG_R3964 is not set
 # CONFIG_APPLICOM is not set
@@ -923,8 +872,7 @@ CONFIG_I2C_AMD8111=y
 # CONFIG_I2C_I801 is not set
 # CONFIG_I2C_I810 is not set
 # CONFIG_I2C_PIIX4 is not set
-CONFIG_I2C_KEYWEST=y
-CONFIG_I2C_PMAC_SMU=y
+CONFIG_I2C_POWERMAC=y
 # CONFIG_I2C_NFORCE2 is not set
 # CONFIG_I2C_PARPORT_LIGHT is not set
 # CONFIG_I2C_PROSAVAGE is not set
@@ -957,6 +905,12 @@ CONFIG_I2C_PMAC_SMU=y
 # CONFIG_I2C_DEBUG_CHIP is not set
 
 #
+# SPI support
+#
+# CONFIG_SPI is not set
+# CONFIG_SPI_MASTER is not set
+
+#
 # Dallas's 1-wire bus
 #
 # CONFIG_W1 is not set
@@ -1028,7 +982,6 @@ CONFIG_FB_RADEON_I2C=y
 # CONFIG_FB_KYRO is not set
 # CONFIG_FB_3DFX is not set
 # CONFIG_FB_VOODOO1 is not set
-# CONFIG_FB_CYBLA is not set
 # CONFIG_FB_TRIDENT is not set
 # CONFIG_FB_VIRTUAL is not set
 
@@ -1073,9 +1026,10 @@ CONFIG_SND_OSSEMUL=y
 CONFIG_SND_MIXER_OSS=m
 CONFIG_SND_PCM_OSS=m
 CONFIG_SND_SEQUENCER_OSS=y
+# CONFIG_SND_DYNAMIC_MINORS is not set
+CONFIG_SND_SUPPORT_OLD_API=y
 # CONFIG_SND_VERBOSE_PRINTK is not set
 # CONFIG_SND_DEBUG is not set
-CONFIG_SND_GENERIC_DRIVER=y
 
 #
 # Generic devices
@@ -1089,6 +1043,8 @@ CONFIG_SND_GENERIC_DRIVER=y
 #
 # PCI devices
 #
+# CONFIG_SND_AD1889 is not set
+# CONFIG_SND_ALS4000 is not set
 # CONFIG_SND_ALI5451 is not set
 # CONFIG_SND_ATIIXP is not set
 # CONFIG_SND_ATIIXP_MODEM is not set
@@ -1097,39 +1053,38 @@ CONFIG_SND_GENERIC_DRIVER=y
 # CONFIG_SND_AU8830 is not set
 # CONFIG_SND_AZT3328 is not set
 # CONFIG_SND_BT87X is not set
-# CONFIG_SND_CS46XX is not set
+# CONFIG_SND_CA0106 is not set
+# CONFIG_SND_CMIPCI is not set
 # CONFIG_SND_CS4281 is not set
+# CONFIG_SND_CS46XX is not set
 # CONFIG_SND_EMU10K1 is not set
 # CONFIG_SND_EMU10K1X is not set
-# CONFIG_SND_CA0106 is not set
-# CONFIG_SND_KORG1212 is not set
-# CONFIG_SND_MIXART is not set
-# CONFIG_SND_NM256 is not set
-# CONFIG_SND_RME32 is not set
-# CONFIG_SND_RME96 is not set
-# CONFIG_SND_RME9652 is not set
-# CONFIG_SND_HDSP is not set
-# CONFIG_SND_HDSPM is not set
-# CONFIG_SND_TRIDENT is not set
-# CONFIG_SND_YMFPCI is not set
-# CONFIG_SND_AD1889 is not set
-# CONFIG_SND_ALS4000 is not set
-# CONFIG_SND_CMIPCI is not set
 # CONFIG_SND_ENS1370 is not set
 # CONFIG_SND_ENS1371 is not set
 # CONFIG_SND_ES1938 is not set
 # CONFIG_SND_ES1968 is not set
-# CONFIG_SND_MAESTRO3 is not set
 # CONFIG_SND_FM801 is not set
+# CONFIG_SND_HDA_INTEL is not set
+# CONFIG_SND_HDSP is not set
+# CONFIG_SND_HDSPM is not set
 # CONFIG_SND_ICE1712 is not set
 # CONFIG_SND_ICE1724 is not set
 # CONFIG_SND_INTEL8X0 is not set
 # CONFIG_SND_INTEL8X0M is not set
+# CONFIG_SND_KORG1212 is not set
+# CONFIG_SND_MAESTRO3 is not set
+# CONFIG_SND_MIXART is not set
+# CONFIG_SND_NM256 is not set
+# CONFIG_SND_PCXHR is not set
+# CONFIG_SND_RME32 is not set
+# CONFIG_SND_RME96 is not set
+# CONFIG_SND_RME9652 is not set
 # CONFIG_SND_SONICVIBES is not set
+# CONFIG_SND_TRIDENT is not set
 # CONFIG_SND_VIA82XX is not set
 # CONFIG_SND_VIA82XX_MODEM is not set
 # CONFIG_SND_VX222 is not set
-# CONFIG_SND_HDA_INTEL is not set
+# CONFIG_SND_YMFPCI is not set
 
 #
 # ALSA PowerMac devices
@@ -1201,13 +1156,16 @@ CONFIG_USB_STORAGE=m
 # CONFIG_USB_STORAGE_SDDR09 is not set
 # CONFIG_USB_STORAGE_SDDR55 is not set
 # CONFIG_USB_STORAGE_JUMPSHOT is not set
+# CONFIG_USB_STORAGE_ALAUDA is not set
 # CONFIG_USB_STORAGE_ONETOUCH is not set
+# CONFIG_USB_LIBUSUAL is not set
 
 #
 # USB Input Devices
 #
 CONFIG_USB_HID=y
 CONFIG_USB_HIDINPUT=y
+# CONFIG_USB_HIDINPUT_POWERBOOK is not set
 # CONFIG_HID_FF is not set
 CONFIG_USB_HIDDEV=y
 # CONFIG_USB_AIPTEK is not set
@@ -1221,6 +1179,7 @@ CONFIG_USB_HIDDEV=y
 # CONFIG_USB_YEALINK is not set
 # CONFIG_USB_XPAD is not set
 # CONFIG_USB_ATI_REMOTE is not set
+# CONFIG_USB_ATI_REMOTE2 is not set
 # CONFIG_USB_KEYSPAN_REMOTE is not set
 # CONFIG_USB_APPLETOUCH is not set
 
@@ -1307,6 +1266,10 @@ CONFIG_INFINIBAND_IPOIB=m
 #
 
 #
+# EDAC - error detection and reporting (RAS)
+#
+
+#
 # File systems
 #
 CONFIG_EXT2_FS=y
@@ -1340,6 +1303,7 @@ CONFIG_XFS_EXPORT=y
 CONFIG_XFS_SECURITY=y
 CONFIG_XFS_POSIX_ACL=y
 # CONFIG_XFS_RT is not set
+# CONFIG_OCFS2_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_ROMFS_FS is not set
 CONFIG_INOTIFY=y
@@ -1379,6 +1343,7 @@ CONFIG_HUGETLBFS=y
 CONFIG_HUGETLB_PAGE=y
 CONFIG_RAMFS=y
 # CONFIG_RELAYFS_FS is not set
+# CONFIG_CONFIGFS_FS is not set
 
 #
 # Miscellaneous filesystems
@@ -1449,6 +1414,7 @@ CONFIG_MSDOS_PARTITION=y
 # CONFIG_SGI_PARTITION is not set
 # CONFIG_ULTRIX_PARTITION is not set
 # CONFIG_SUN_PARTITION is not set
+# CONFIG_KARMA_PARTITION is not set
 # CONFIG_EFI_PARTITION is not set
 
 #
@@ -1504,10 +1470,6 @@ CONFIG_CRC32=y
 CONFIG_LIBCRC32C=m
 CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=m
-CONFIG_TEXTSEARCH=y
-CONFIG_TEXTSEARCH_KMP=m
-CONFIG_TEXTSEARCH_BM=m
-CONFIG_TEXTSEARCH_FSM=m
 
 #
 # Instrumentation Support
@@ -1520,18 +1482,20 @@ CONFIG_OPROFILE=y
 # Kernel hacking
 #
 # CONFIG_PRINTK_TIME is not set
-CONFIG_DEBUG_KERNEL=y
 CONFIG_MAGIC_SYSRQ=y
+CONFIG_DEBUG_KERNEL=y
 CONFIG_LOG_BUF_SHIFT=17
 CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_DEBUG_SLAB is not set
+CONFIG_DEBUG_MUTEXES=y
 # CONFIG_DEBUG_SPINLOCK is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_KOBJECT is not set
 # CONFIG_DEBUG_INFO is not set
 CONFIG_DEBUG_FS=y
 # CONFIG_DEBUG_VM is not set
+CONFIG_FORCED_INLINING=y
 # CONFIG_RCU_TORTURE_TEST is not set
 CONFIG_DEBUG_STACKOVERFLOW=y
 CONFIG_DEBUG_STACK_USAGE=y
@@ -1540,6 +1504,11 @@ CONFIG_XMON=y
 # CONFIG_XMON_DEFAULT is not set
 CONFIG_IRQSTACKS=y
 CONFIG_BOOTX_TEXT=y
+# CONFIG_PPC_EARLY_DEBUG_LPAR is not set
+# CONFIG_PPC_EARLY_DEBUG_G5 is not set
+# CONFIG_PPC_EARLY_DEBUG_RTAS is not set
+# CONFIG_PPC_EARLY_DEBUG_MAPLE is not set
+# CONFIG_PPC_EARLY_DEBUG_ISERIES is not set
 
 #
 # Security options
diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig
index aa9893a..daaf038 100644
--- a/arch/powerpc/configs/pseries_defconfig
+++ b/arch/powerpc/configs/pseries_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.15-rc5
-# Tue Dec 20 15:59:40 2005
+# Linux kernel version: 2.6.16-rc2
+# Fri Feb 10 17:33:32 2006
 #
 CONFIG_PPC64=y
 CONFIG_64BIT=y
@@ -16,6 +16,10 @@ CONFIG_COMPAT=y
 CONFIG_SYSVIPC_COMPAT=y
 CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
 CONFIG_ARCH_MAY_HAVE_PC_FDC=y
+CONFIG_PPC_OF=y
+CONFIG_PPC_UDBG_16550=y
+# CONFIG_GENERIC_TBSYNC is not set
+# CONFIG_DEFAULT_UIMAGE is not set
 
 #
 # Processor support
@@ -33,7 +37,6 @@ CONFIG_NR_CPUS=128
 # Code maturity level options
 #
 CONFIG_EXPERIMENTAL=y
-CONFIG_CLEAN_COMPILE=y
 CONFIG_LOCK_KERNEL=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 
@@ -49,8 +52,6 @@ CONFIG_POSIX_MQUEUE=y
 CONFIG_SYSCTL=y
 CONFIG_AUDIT=y
 CONFIG_AUDITSYSCALL=y
-CONFIG_HOTPLUG=y
-CONFIG_KOBJECT_UEVENT=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_CPUSETS=y
@@ -60,8 +61,10 @@ CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_KALLSYMS=y
 CONFIG_KALLSYMS_ALL=y
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
+CONFIG_ELF_CORE=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
@@ -70,8 +73,10 @@ CONFIG_CC_ALIGN_FUNCTIONS=0
 CONFIG_CC_ALIGN_LABELS=0
 CONFIG_CC_ALIGN_LOOPS=0
 CONFIG_CC_ALIGN_JUMPS=0
+CONFIG_SLAB=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
+# CONFIG_SLOB is not set
 
 #
 # Loadable module support
@@ -113,7 +118,6 @@ CONFIG_PPC_PSERIES=y
 # CONFIG_PPC_PMAC is not set
 # CONFIG_PPC_MAPLE is not set
 # CONFIG_PPC_CELL is not set
-CONFIG_PPC_OF=y
 CONFIG_XICS=y
 # CONFIG_U3_DART is not set
 CONFIG_MPIC=y
@@ -123,8 +127,8 @@ CONFIG_RTAS_PROC=y
 CONFIG_RTAS_FLASH=m
 # CONFIG_MMIO_NVRAM is not set
 CONFIG_IBMVIO=y
+# CONFIG_IBMEBUS is not set
 # CONFIG_PPC_MPC106 is not set
-# CONFIG_GENERIC_TBSYNC is not set
 # CONFIG_CPU_FREQ is not set
 # CONFIG_WANT_EARLY_SERIAL is not set
 
@@ -145,6 +149,7 @@ CONFIG_FORCE_MAX_ZONEORDER=13
 CONFIG_IOMMU_VMERGE=y
 CONFIG_HOTPLUG_CPU=y
 CONFIG_KEXEC=y
+# CONFIG_CRASH_DUMP is not set
 CONFIG_IRQ_ALL_CPUS=y
 CONFIG_PPC_SPLPAR=y
 CONFIG_EEH=y
@@ -165,6 +170,7 @@ CONFIG_HAVE_MEMORY_PRESENT=y
 CONFIG_SPARSEMEM_EXTREME=y
 # CONFIG_MEMORY_HOTPLUG is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+CONFIG_MIGRATION=y
 CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y
 # CONFIG_PPC_64K_PAGES is not set
 CONFIG_SCHED_SMT=y
@@ -209,6 +215,7 @@ CONFIG_NET=y
 #
 # Networking options
 #
+# CONFIG_NETDEBUG is not set
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
@@ -248,6 +255,7 @@ CONFIG_NETFILTER=y
 CONFIG_NETFILTER_NETLINK=y
 CONFIG_NETFILTER_NETLINK_QUEUE=m
 CONFIG_NETFILTER_NETLINK_LOG=m
+# CONFIG_NETFILTER_XTABLES is not set
 
 #
 # IP: Netfilter Configuration
@@ -265,65 +273,6 @@ CONFIG_IP_NF_TFTP=m
 CONFIG_IP_NF_AMANDA=m
 # CONFIG_IP_NF_PPTP is not set
 CONFIG_IP_NF_QUEUE=m
-CONFIG_IP_NF_IPTABLES=m
-CONFIG_IP_NF_MATCH_LIMIT=m
-CONFIG_IP_NF_MATCH_IPRANGE=m
-CONFIG_IP_NF_MATCH_MAC=m
-CONFIG_IP_NF_MATCH_PKTTYPE=m
-CONFIG_IP_NF_MATCH_MARK=m
-CONFIG_IP_NF_MATCH_MULTIPORT=m
-CONFIG_IP_NF_MATCH_TOS=m
-CONFIG_IP_NF_MATCH_RECENT=m
-CONFIG_IP_NF_MATCH_ECN=m
-CONFIG_IP_NF_MATCH_DSCP=m
-CONFIG_IP_NF_MATCH_AH_ESP=m
-CONFIG_IP_NF_MATCH_LENGTH=m
-CONFIG_IP_NF_MATCH_TTL=m
-CONFIG_IP_NF_MATCH_TCPMSS=m
-CONFIG_IP_NF_MATCH_HELPER=m
-CONFIG_IP_NF_MATCH_STATE=m
-CONFIG_IP_NF_MATCH_CONNTRACK=m
-CONFIG_IP_NF_MATCH_OWNER=m
-CONFIG_IP_NF_MATCH_ADDRTYPE=m
-CONFIG_IP_NF_MATCH_REALM=m
-CONFIG_IP_NF_MATCH_SCTP=m
-# CONFIG_IP_NF_MATCH_DCCP is not set
-CONFIG_IP_NF_MATCH_COMMENT=m
-CONFIG_IP_NF_MATCH_CONNMARK=m
-CONFIG_IP_NF_MATCH_CONNBYTES=m
-CONFIG_IP_NF_MATCH_HASHLIMIT=m
-CONFIG_IP_NF_MATCH_STRING=m
-CONFIG_IP_NF_FILTER=m
-CONFIG_IP_NF_TARGET_REJECT=m
-CONFIG_IP_NF_TARGET_LOG=m
-CONFIG_IP_NF_TARGET_ULOG=m
-CONFIG_IP_NF_TARGET_TCPMSS=m
-CONFIG_IP_NF_TARGET_NFQUEUE=m
-CONFIG_IP_NF_NAT=m
-CONFIG_IP_NF_NAT_NEEDED=y
-CONFIG_IP_NF_TARGET_MASQUERADE=m
-CONFIG_IP_NF_TARGET_REDIRECT=m
-CONFIG_IP_NF_TARGET_NETMAP=m
-CONFIG_IP_NF_TARGET_SAME=m
-CONFIG_IP_NF_NAT_SNMP_BASIC=m
-CONFIG_IP_NF_NAT_IRC=m
-CONFIG_IP_NF_NAT_FTP=m
-CONFIG_IP_NF_NAT_TFTP=m
-CONFIG_IP_NF_NAT_AMANDA=m
-CONFIG_IP_NF_MANGLE=m
-CONFIG_IP_NF_TARGET_TOS=m
-CONFIG_IP_NF_TARGET_ECN=m
-CONFIG_IP_NF_TARGET_DSCP=m
-CONFIG_IP_NF_TARGET_MARK=m
-CONFIG_IP_NF_TARGET_CLASSIFY=m
-CONFIG_IP_NF_TARGET_TTL=m
-CONFIG_IP_NF_TARGET_CONNMARK=m
-CONFIG_IP_NF_TARGET_CLUSTERIP=m
-CONFIG_IP_NF_RAW=m
-CONFIG_IP_NF_TARGET_NOTRACK=m
-CONFIG_IP_NF_ARPTABLES=m
-CONFIG_IP_NF_ARPFILTER=m
-CONFIG_IP_NF_ARP_MANGLE=m
 
 #
 # DCCP Configuration (EXPERIMENTAL)
@@ -334,6 +283,11 @@ CONFIG_IP_NF_ARP_MANGLE=m
 # SCTP Configuration (EXPERIMENTAL)
 #
 # CONFIG_IP_SCTP is not set
+
+#
+# TIPC Configuration (EXPERIMENTAL)
+#
+# CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
 # CONFIG_VLAN_8021Q is not set
@@ -352,7 +306,6 @@ CONFIG_LLC=y
 # QoS and/or fair queueing
 #
 # CONFIG_NET_SCHED is not set
-CONFIG_NET_CLS_ROUTE=y
 
 #
 # Network testing
@@ -550,13 +503,7 @@ CONFIG_SCSI_IPR_TRACE=y
 CONFIG_SCSI_IPR_DUMP=y
 # CONFIG_SCSI_QLOGIC_FC is not set
 # CONFIG_SCSI_QLOGIC_1280 is not set
-CONFIG_SCSI_QLA2XXX=y
-CONFIG_SCSI_QLA21XX=m
-CONFIG_SCSI_QLA22XX=m
-CONFIG_SCSI_QLA2300=m
-CONFIG_SCSI_QLA2322=m
-CONFIG_SCSI_QLA6312=m
-CONFIG_SCSI_QLA24XX=m
+# CONFIG_SCSI_QLA_FC is not set
 CONFIG_SCSI_LPFC=m
 # CONFIG_SCSI_DC395x is not set
 # CONFIG_SCSI_DC390T is not set
@@ -678,6 +625,7 @@ CONFIG_E1000=y
 # CONFIG_R8169 is not set
 # CONFIG_SIS190 is not set
 # CONFIG_SKGE is not set
+# CONFIG_SKY2 is not set
 # CONFIG_SK98LIN is not set
 # CONFIG_VIA_VELOCITY is not set
 CONFIG_TIGON3=y
@@ -803,6 +751,7 @@ CONFIG_HW_CONSOLE=y
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_8250_NR_UARTS=4
+CONFIG_SERIAL_8250_RUNTIME_UARTS=4
 # CONFIG_SERIAL_8250_EXTENDED is not set
 
 #
@@ -909,6 +858,12 @@ CONFIG_I2C_ALGOBIT=y
 # CONFIG_I2C_DEBUG_CHIP is not set
 
 #
+# SPI support
+#
+# CONFIG_SPI is not set
+# CONFIG_SPI_MASTER is not set
+
+#
 # Dallas's 1-wire bus
 #
 # CONFIG_W1 is not set
@@ -976,7 +931,6 @@ CONFIG_FB_RADEON_I2C=y
 # CONFIG_FB_KYRO is not set
 # CONFIG_FB_3DFX is not set
 # CONFIG_FB_VOODOO1 is not set
-# CONFIG_FB_CYBLA is not set
 # CONFIG_FB_TRIDENT is not set
 # CONFIG_FB_VIRTUAL is not set
 
@@ -1061,12 +1015,15 @@ CONFIG_USB_STORAGE=y
 # CONFIG_USB_STORAGE_SDDR09 is not set
 # CONFIG_USB_STORAGE_SDDR55 is not set
 # CONFIG_USB_STORAGE_JUMPSHOT is not set
+# CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_LIBUSUAL is not set
 
 #
 # USB Input Devices
 #
 CONFIG_USB_HID=y
 CONFIG_USB_HIDINPUT=y
+# CONFIG_USB_HIDINPUT_POWERBOOK is not set
 # CONFIG_HID_FF is not set
 CONFIG_USB_HIDDEV=y
 # CONFIG_USB_AIPTEK is not set
@@ -1080,6 +1037,7 @@ CONFIG_USB_HIDDEV=y
 # CONFIG_USB_YEALINK is not set
 # CONFIG_USB_XPAD is not set
 # CONFIG_USB_ATI_REMOTE is not set
+# CONFIG_USB_ATI_REMOTE2 is not set
 # CONFIG_USB_KEYSPAN_REMOTE is not set
 # CONFIG_USB_APPLETOUCH is not set
 
@@ -1167,6 +1125,10 @@ CONFIG_INFINIBAND_IPOIB=m
 #
 
 #
+# EDAC - error detection and reporting (RAS)
+#
+
+#
 # File systems
 #
 CONFIG_EXT2_FS=y
@@ -1200,6 +1162,7 @@ CONFIG_XFS_EXPORT=y
 CONFIG_XFS_SECURITY=y
 CONFIG_XFS_POSIX_ACL=y
 # CONFIG_XFS_RT is not set
+# CONFIG_OCFS2_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_ROMFS_FS is not set
 CONFIG_INOTIFY=y
@@ -1240,6 +1203,7 @@ CONFIG_HUGETLBFS=y
 CONFIG_HUGETLB_PAGE=y
 CONFIG_RAMFS=y
 # CONFIG_RELAYFS_FS is not set
+# CONFIG_CONFIGFS_FS is not set
 
 #
 # Miscellaneous filesystems
@@ -1351,10 +1315,6 @@ CONFIG_CRC32=y
 CONFIG_LIBCRC32C=m
 CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=m
-CONFIG_TEXTSEARCH=y
-CONFIG_TEXTSEARCH_KMP=m
-CONFIG_TEXTSEARCH_BM=m
-CONFIG_TEXTSEARCH_FSM=m
 
 #
 # Instrumentation Support
@@ -1367,18 +1327,20 @@ CONFIG_OPROFILE=y
 # Kernel hacking
 #
 # CONFIG_PRINTK_TIME is not set
-CONFIG_DEBUG_KERNEL=y
 CONFIG_MAGIC_SYSRQ=y
+CONFIG_DEBUG_KERNEL=y
 CONFIG_LOG_BUF_SHIFT=17
 CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_DEBUG_SLAB is not set
+CONFIG_DEBUG_MUTEXES=y
 # CONFIG_DEBUG_SPINLOCK is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_KOBJECT is not set
 # CONFIG_DEBUG_INFO is not set
 CONFIG_DEBUG_FS=y
 # CONFIG_DEBUG_VM is not set
+CONFIG_FORCED_INLINING=y
 # CONFIG_RCU_TORTURE_TEST is not set
 CONFIG_DEBUG_STACKOVERFLOW=y
 CONFIG_DEBUG_STACK_USAGE=y
@@ -1387,6 +1349,11 @@ CONFIG_XMON=y
 CONFIG_XMON_DEFAULT=y
 CONFIG_IRQSTACKS=y
 # CONFIG_BOOTX_TEXT is not set
+# CONFIG_PPC_EARLY_DEBUG_LPAR is not set
+# CONFIG_PPC_EARLY_DEBUG_G5 is not set
+# CONFIG_PPC_EARLY_DEBUG_RTAS is not set
+# CONFIG_PPC_EARLY_DEBUG_MAPLE is not set
+# CONFIG_PPC_EARLY_DEBUG_ISERIES is not set
 
 #
 # Security options
diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c
index 8c21d37..778f22f 100644
--- a/arch/powerpc/kernel/crash.c
+++ b/arch/powerpc/kernel/crash.c
@@ -134,8 +134,10 @@ static void crash_kexec_prepare_cpus(void)
 	 * the crash CPU will send an IPI and wait for other CPUs to
 	 * respond. If not, proceed the kexec boot even though we failed to
 	 * capture other CPU states.
+	 * Delay of at least 10 seconds.
 	 */
-	msecs = 1000000;
+	printk(KERN_ALERT "Sending IPI to other cpus...\n");
+	msecs = 10000;
 	while ((atomic_read(&waiting_for_crash_ipi) > 0) && (--msecs > 0)) {
 		barrier();
 		mdelay(1);
diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S
index 03b25f9..a0579e8 100644
--- a/arch/powerpc/kernel/head_32.S
+++ b/arch/powerpc/kernel/head_32.S
@@ -714,6 +714,7 @@ AltiVecUnavailable:
 #ifdef CONFIG_ALTIVEC
 	bne	load_up_altivec		/* if from user, just load it up */
 #endif /* CONFIG_ALTIVEC */
+	addi	r3,r1,STACK_FRAME_OVERHEAD
 	EXC_XFER_EE_LITE(0xf20, altivec_unavailable_exception)
 
 PerformanceMonitor:
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index 2b03a09..11f2cd5 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -139,7 +139,7 @@ _GLOBAL(__secondary_hold)
 	ori	r24,r24,MSR_RI
 	mtmsrd	r24			/* RI on */
 
-	/* Grab our linux cpu number */
+	/* Grab our physical cpu number */
 	mr	r24,r3
 
 	/* Tell the master cpu we're here */
@@ -153,11 +153,7 @@ _GLOBAL(__secondary_hold)
 	cmpdi	0,r4,1
 	bne	100b
 
-#ifdef CONFIG_HMT
-	SET_REG_IMMEDIATE(r4, .hmt_init)
-	mtctr	r4
-	bctr
-#elif defined(CONFIG_SMP) || defined(CONFIG_KEXEC)
+#if defined(CONFIG_SMP) || defined(CONFIG_KEXEC)
 	LOAD_REG_IMMEDIATE(r4, .pSeries_secondary_smp_init)
 	mtctr	r4
 	mr	r3,r24
@@ -319,7 +315,6 @@ exception_marker:
 label##_pSeries:					\
 	HMT_MEDIUM;					\
 	mtspr	SPRN_SPRG1,r13;		/* save r13 */	\
-	RUNLATCH_ON(r13);				\
 	EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common)
 
 #define STD_EXCEPTION_ISERIES(n, label, area)		\
@@ -327,7 +322,6 @@ label##_pSeries:					\
 label##_iSeries:					\
 	HMT_MEDIUM;					\
 	mtspr	SPRN_SPRG1,r13;		/* save r13 */	\
-	RUNLATCH_ON(r13);				\
 	EXCEPTION_PROLOG_ISERIES_1(area);		\
 	EXCEPTION_PROLOG_ISERIES_2;			\
 	b	label##_common
@@ -337,7 +331,6 @@ label##_iSeries:					\
 label##_iSeries:							\
 	HMT_MEDIUM;							\
 	mtspr	SPRN_SPRG1,r13;		/* save r13 */			\
-	RUNLATCH_ON(r13);						\
 	EXCEPTION_PROLOG_ISERIES_1(PACA_EXGEN);				\
 	lbz	r10,PACAPROCENABLED(r13);				\
 	cmpwi	0,r10,0;						\
@@ -390,6 +383,7 @@ label##_common:						\
 label##_common:						\
 	EXCEPTION_PROLOG_COMMON(trap, PACA_EXGEN);	\
 	DISABLE_INTS;					\
+	bl	.ppc64_runlatch_on;			\
 	addi	r3,r1,STACK_FRAME_OVERHEAD;		\
 	bl	hdlr;					\
 	b	.ret_from_except_lite
@@ -407,7 +401,6 @@ __start_interrupts:
 _machine_check_pSeries:
 	HMT_MEDIUM
 	mtspr	SPRN_SPRG1,r13		/* save r13 */
-	RUNLATCH_ON(r13)
 	EXCEPTION_PROLOG_PSERIES(PACA_EXMC, machine_check_common)
 
 	. = 0x300
@@ -434,7 +427,6 @@ END_FTR_SECTION_IFCLR(CPU_FTR_SLB)
 data_access_slb_pSeries:
 	HMT_MEDIUM
 	mtspr	SPRN_SPRG1,r13
-	RUNLATCH_ON(r13)
 	mfspr	r13,SPRN_SPRG3		/* get paca address into r13 */
 	std	r3,PACA_EXSLB+EX_R3(r13)
 	mfspr	r3,SPRN_DAR
@@ -460,7 +452,6 @@ data_access_slb_pSeries:
 instruction_access_slb_pSeries:
 	HMT_MEDIUM
 	mtspr	SPRN_SPRG1,r13
-	RUNLATCH_ON(r13)
 	mfspr	r13,SPRN_SPRG3		/* get paca address into r13 */
 	std	r3,PACA_EXSLB+EX_R3(r13)
 	mfspr	r3,SPRN_SRR0		/* SRR0 is faulting address */
@@ -491,7 +482,6 @@ instruction_access_slb_pSeries:
 	.globl	system_call_pSeries
 system_call_pSeries:
 	HMT_MEDIUM
-	RUNLATCH_ON(r9)
 	mr	r9,r13
 	mfmsr	r10
 	mfspr	r13,SPRN_SPRG3
@@ -575,7 +565,6 @@ slb_miss_user_pseries:
 system_reset_fwnmi:
 	HMT_MEDIUM
 	mtspr	SPRN_SPRG1,r13		/* save r13 */
-	RUNLATCH_ON(r13)
 	EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, system_reset_common)
 
 	.globl machine_check_fwnmi
@@ -583,7 +572,6 @@ system_reset_fwnmi:
 machine_check_fwnmi:
 	HMT_MEDIUM
 	mtspr	SPRN_SPRG1,r13		/* save r13 */
-	RUNLATCH_ON(r13)
 	EXCEPTION_PROLOG_PSERIES(PACA_EXMC, machine_check_common)
 
 #ifdef CONFIG_PPC_ISERIES
@@ -894,7 +882,6 @@ unrecov_fer:
 	.align	7
 	.globl data_access_common
 data_access_common:
-	RUNLATCH_ON(r10)		/* It wont fit in the 0x300 handler */
 	mfspr	r10,SPRN_DAR
 	std	r10,PACA_EXGEN+EX_DAR(r13)
 	mfspr	r10,SPRN_DSISR
@@ -1042,6 +1029,7 @@ hardware_interrupt_common:
 	EXCEPTION_PROLOG_COMMON(0x500, PACA_EXGEN)
 hardware_interrupt_entry:
 	DISABLE_INTS
+	bl	.ppc64_runlatch_on
 	addi	r3,r1,STACK_FRAME_OVERHEAD
 	bl	.do_IRQ
 	b	.ret_from_except_lite
@@ -1816,22 +1804,6 @@ _STATIC(start_here_multiplatform)
 	ori	r6,r6,MSR_RI
 	mtmsrd	r6			/* RI on */
 
-#ifdef CONFIG_HMT
-	/* Start up the second thread on cpu 0 */
-	mfspr	r3,SPRN_PVR
-	srwi	r3,r3,16
-	cmpwi	r3,0x34			/* Pulsar  */
-	beq	90f
-	cmpwi	r3,0x36			/* Icestar */
-	beq	90f
-	cmpwi	r3,0x37			/* SStar   */
-	beq	90f
-	b	91f			/* HMT not supported */
-90:	li	r3,0
-	bl	.hmt_start_secondary
-91:
-#endif
-
 	/* The following gets the stack and TOC set up with the regs */
 	/* pointing to the real addr of the kernel stack.  This is   */
 	/* all done to support the C function call below which sets  */
@@ -1945,77 +1917,8 @@ _STATIC(start_here_common)
 
 	bl .start_kernel
 
-_GLOBAL(hmt_init)
-#ifdef CONFIG_HMT
-	LOAD_REG_IMMEDIATE(r5, hmt_thread_data)
-	mfspr	r7,SPRN_PVR
-	srwi	r7,r7,16
-	cmpwi	r7,0x34			/* Pulsar  */
-	beq	90f
-	cmpwi	r7,0x36			/* Icestar */
-	beq	91f
-	cmpwi	r7,0x37			/* SStar   */
-	beq	91f
-	b	101f
-90:	mfspr	r6,SPRN_PIR
-	andi.	r6,r6,0x1f
-	b	92f
-91:	mfspr	r6,SPRN_PIR
-	andi.	r6,r6,0x3ff
-92:	sldi	r4,r24,3
-	stwx	r6,r5,r4
-	bl	.hmt_start_secondary
-	b	101f
-
-__hmt_secondary_hold:
-	LOAD_REG_IMMEDIATE(r5, hmt_thread_data)
-	clrldi	r5,r5,4
-	li	r7,0
-	mfspr	r6,SPRN_PIR
-	mfspr	r8,SPRN_PVR
-	srwi	r8,r8,16
-	cmpwi	r8,0x34
-	bne	93f
-	andi.	r6,r6,0x1f
-	b	103f
-93:	andi.	r6,r6,0x3f
-
-103:	lwzx	r8,r5,r7
-	cmpw	r8,r6
-	beq	104f
-	addi	r7,r7,8
-	b	103b
-
-104:	addi	r7,r7,4
-	lwzx	r9,r5,r7
-	mr	r24,r9
-101:
-#endif
-	mr	r3,r24
-	b	.pSeries_secondary_smp_init
-
-#ifdef CONFIG_HMT
-_GLOBAL(hmt_start_secondary)
-	LOAD_REG_IMMEDIATE(r4,__hmt_secondary_hold)
-	clrldi	r4,r4,4
-	mtspr	SPRN_NIADORM, r4
-	mfspr	r4, SPRN_MSRDORM
-	li	r5, -65
-	and	r4, r4, r5
-	mtspr	SPRN_MSRDORM, r4
-	lis	r4,0xffef
-	ori	r4,r4,0x7403
-	mtspr	SPRN_TSC, r4
-	li	r4,0x1f4
-	mtspr	SPRN_TST, r4
-	mfspr	r4, SPRN_HID0
-	ori	r4, r4, 0x1
-	mtspr	SPRN_HID0, r4
-	mfspr	r4, SPRN_CTRLF
-	oris	r4, r4, 0x40
-	mtspr	SPRN_CTRLT, r4
-	blr
-#endif
+	/* Not reached */
+	BUG_OPCODE
 
 /*
  * We put a few things here that have to be page-aligned.
diff --git a/arch/powerpc/kernel/machine_kexec_64.c b/arch/powerpc/kernel/machine_kexec_64.c
index d643144..ee166c5 100644
--- a/arch/powerpc/kernel/machine_kexec_64.c
+++ b/arch/powerpc/kernel/machine_kexec_64.c
@@ -26,8 +26,6 @@
 #include <asm/prom.h>
 #include <asm/smp.h>
 
-#define HASH_GROUP_SIZE 0x80	/* size of each hash group, asm/mmu.h */
-
 int default_machine_kexec_prepare(struct kimage *image)
 {
 	int i;
@@ -61,7 +59,7 @@ int default_machine_kexec_prepare(struct kimage *image)
 	 */
 	if (htab_address) {
 		low = __pa(htab_address);
-		high = low + (htab_hash_mask + 1) * HASH_GROUP_SIZE;
+		high = low + htab_size_bytes;
 
 		for (i = 0; i < image->nr_segments; i++) {
 			begin = image->segment[i].mem;
@@ -294,7 +292,7 @@ void default_machine_kexec(struct kimage *image)
 }
 
 /* Values we need to export to the second kernel via the device tree. */
-static unsigned long htab_base, htab_size, kernel_end;
+static unsigned long htab_base, kernel_end;
 
 static struct property htab_base_prop = {
 	.name = "linux,htab-base",
@@ -305,7 +303,7 @@ static struct property htab_base_prop = {
 static struct property htab_size_prop = {
 	.name = "linux,htab-size",
 	.length = sizeof(unsigned long),
-	.value = (unsigned char *)&htab_size,
+	.value = (unsigned char *)&htab_size_bytes,
 };
 
 static struct property kernel_end_prop = {
@@ -331,8 +329,6 @@ static void __init export_htab_values(void)
 
 	htab_base = __pa(htab_address);
 	prom_add_property(node, &htab_base_prop);
-
-	htab_size = 1UL << ppc64_pft_size;
 	prom_add_property(node, &htab_size_prop);
 
  out:
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 5770399..c225cf1 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -888,3 +888,35 @@ void dump_stack(void)
 	show_stack(current, NULL);
 }
 EXPORT_SYMBOL(dump_stack);
+
+#ifdef CONFIG_PPC64
+void ppc64_runlatch_on(void)
+{
+	unsigned long ctrl;
+
+	if (cpu_has_feature(CPU_FTR_CTRL) && !test_thread_flag(TIF_RUNLATCH)) {
+		HMT_medium();
+
+		ctrl = mfspr(SPRN_CTRLF);
+		ctrl |= CTRL_RUNLATCH;
+		mtspr(SPRN_CTRLT, ctrl);
+
+		set_thread_flag(TIF_RUNLATCH);
+	}
+}
+
+void ppc64_runlatch_off(void)
+{
+	unsigned long ctrl;
+
+	if (cpu_has_feature(CPU_FTR_CTRL) && test_thread_flag(TIF_RUNLATCH)) {
+		HMT_medium();
+
+		clear_thread_flag(TIF_RUNLATCH);
+
+		ctrl = mfspr(SPRN_CTRLF);
+		ctrl &= ~CTRL_RUNLATCH;
+		mtspr(SPRN_CTRLT, ctrl);
+	}
+}
+#endif
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 294832a..6dbd217 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -816,8 +816,6 @@ void __init unflatten_device_tree(void)
 {
 	unsigned long start, mem, size;
 	struct device_node **allnextp = &allnodes;
-	char *p = NULL;
-	int l = 0;
 
 	DBG(" -> unflatten_device_tree()\n");
 
@@ -857,19 +855,6 @@ void __init unflatten_device_tree(void)
 	if (of_chosen == NULL)
 		of_chosen = of_find_node_by_path("/chosen@0");
 
-	/* Retreive command line */
-	if (of_chosen != NULL) {
-		p = (char *)get_property(of_chosen, "bootargs", &l);
-		if (p != NULL && l > 0)
-			strlcpy(cmd_line, p, min(l, COMMAND_LINE_SIZE));
-	}
-#ifdef CONFIG_CMDLINE
-	if (l == 0 || (l == 1 && (*p) == 0))
-		strlcpy(cmd_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
-#endif /* CONFIG_CMDLINE */
-
-	DBG("Command line is: %s\n", cmd_line);
-
 	DBG(" <- unflatten_device_tree()\n");
 }
 
@@ -940,6 +925,8 @@ static int __init early_init_dt_scan_chosen(unsigned long node,
 {
 	u32 *prop;
 	unsigned long *lprop;
+	unsigned long l;
+	char *p;
 
 	DBG("search \"chosen\", depth: %d, uname: %s\n", depth, uname);
 
@@ -1004,6 +991,41 @@ static int __init early_init_dt_scan_chosen(unsigned long node,
                crashk_res.end = crashk_res.start + *lprop - 1;
 #endif
 
+	/* Retreive command line */
+ 	p = of_get_flat_dt_prop(node, "bootargs", &l);
+	if (p != NULL && l > 0)
+		strlcpy(cmd_line, p, min((int)l, COMMAND_LINE_SIZE));
+
+#ifdef CONFIG_CMDLINE
+	if (l == 0 || (l == 1 && (*p) == 0))
+		strlcpy(cmd_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
+#endif /* CONFIG_CMDLINE */
+
+	DBG("Command line is: %s\n", cmd_line);
+
+	if (strstr(cmd_line, "mem=")) {
+		char *p, *q;
+		unsigned long maxmem = 0;
+
+		for (q = cmd_line; (p = strstr(q, "mem=")) != 0; ) {
+			q = p + 4;
+			if (p > cmd_line && p[-1] != ' ')
+				continue;
+			maxmem = simple_strtoul(q, &q, 0);
+			if (*q == 'k' || *q == 'K') {
+				maxmem <<= 10;
+				++q;
+			} else if (*q == 'm' || *q == 'M') {
+				maxmem <<= 20;
+				++q;
+			} else if (*q == 'g' || *q == 'G') {
+				maxmem <<= 30;
+				++q;
+			}
+		}
+		memory_limit = maxmem;
+	}
+
 	/* break now */
 	return 1;
 }
@@ -1124,7 +1146,7 @@ static void __init early_reserve_mem(void)
 			size_32 = *(reserve_map_32++);
 			if (size_32 == 0)
 				break;
-			DBG("reserving: %lx -> %lx\n", base_32, size_32);
+			DBG("reserving: %x -> %x\n", base_32, size_32);
 			lmb_reserve(base_32, size_32);
 		}
 		return;
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index ec7153f..d34fe53 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -205,14 +205,6 @@ static cell_t __initdata regbuf[1024];
 
 #define MAX_CPU_THREADS 2
 
-/* TO GO */
-#ifdef CONFIG_HMT
-struct {
-	unsigned int pir;
-	unsigned int threadid;
-} hmt_thread_data[NR_CPUS];
-#endif /* CONFIG_HMT */
-
 /*
  * Error results ... some OF calls will return "-1" on error, some
  * will return 0, some will return either. To simplify, here are
@@ -1319,10 +1311,6 @@ static void __init prom_hold_cpus(void)
 	 */
 	*spinloop = 0;
 
-#ifdef CONFIG_HMT
-	for (i = 0; i < NR_CPUS; i++)
-		RELOC(hmt_thread_data)[i].pir = 0xdeadbeef;
-#endif
 	/* look for cpus */
 	for (node = 0; prom_next_node(&node); ) {
 		type[0] = 0;
@@ -1389,32 +1377,6 @@ static void __init prom_hold_cpus(void)
 		/* Reserve cpu #s for secondary threads.   They start later. */
 		cpuid += cpu_threads;
 	}
-#ifdef CONFIG_HMT
-	/* Only enable HMT on processors that provide support. */
-	if (__is_processor(PV_PULSAR) || 
-	    __is_processor(PV_ICESTAR) ||
-	    __is_processor(PV_SSTAR)) {
-		prom_printf("    starting secondary threads\n");
-
-		for (i = 0; i < NR_CPUS; i += 2) {
-			if (!cpu_online(i))
-				continue;
-
-			if (i == 0) {
-				unsigned long pir = mfspr(SPRN_PIR);
-				if (__is_processor(PV_PULSAR)) {
-					RELOC(hmt_thread_data)[i].pir = 
-						pir & 0x1f;
-				} else {
-					RELOC(hmt_thread_data)[i].pir = 
-						pir & 0x3ff;
-				}
-			}
-		}
-	} else {
-		prom_printf("Processor is not HMT capable\n");
-	}
-#endif
 
 	if (cpuid > NR_CPUS)
 		prom_printf("WARNING: maximum CPUs (" __stringify(NR_CPUS)
diff --git a/arch/powerpc/mm/hash_native_64.c b/arch/powerpc/mm/hash_native_64.c
index d96bcfe..33654d1 100644
--- a/arch/powerpc/mm/hash_native_64.c
+++ b/arch/powerpc/mm/hash_native_64.c
@@ -403,12 +403,17 @@ static void native_hpte_clear(void)
 		 */
 		hpte_v = hptep->v;
 
+		/*
+		 * Call __tlbie() here rather than tlbie() since we
+		 * already hold the native_tlbie_lock.
+		 */
 		if (hpte_v & HPTE_V_VALID) {
 			hptep->v = 0;
-			tlbie(slot2va(hpte_v, slot), MMU_PAGE_4K, 0);
+			__tlbie(slot2va(hpte_v, slot), MMU_PAGE_4K);
 		}
 	}
 
+	asm volatile("eieio; tlbsync; ptesync":::"memory");
 	spin_unlock(&native_tlbie_lock);
 	local_irq_restore(flags);
 }
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 149351a..b1f614c 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -88,6 +88,7 @@ static unsigned long _SDR1;
 struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT];
 
 hpte_t *htab_address;
+unsigned long htab_size_bytes;
 unsigned long htab_hash_mask;
 int mmu_linear_psize = MMU_PAGE_4K;
 int mmu_virtual_psize = MMU_PAGE_4K;
@@ -399,7 +400,7 @@ void create_section_mapping(unsigned long start, unsigned long end)
 
 void __init htab_initialize(void)
 {
-	unsigned long table, htab_size_bytes;
+	unsigned long table;
 	unsigned long pteg_count;
 	unsigned long mode_rw;
 	unsigned long base = 0, size = 0;
diff --git a/arch/powerpc/oprofile/Kconfig b/arch/powerpc/oprofile/Kconfig
index eb2dece..d03c0e5 100644
--- a/arch/powerpc/oprofile/Kconfig
+++ b/arch/powerpc/oprofile/Kconfig
@@ -1,4 +1,5 @@
 config PROFILING
+	depends on !PPC_ISERIES
 	bool "Profiling support (EXPERIMENTAL)"
 	help
 	  Say Y here to enable the extended profiling support mechanisms used
diff --git a/arch/powerpc/platforms/iseries/lpevents.c b/arch/powerpc/platforms/iseries/lpevents.c
index 0b88530..8ca7b939 100644
--- a/arch/powerpc/platforms/iseries/lpevents.c
+++ b/arch/powerpc/platforms/iseries/lpevents.c
@@ -184,6 +184,8 @@ void setup_hvlpevent_queue(void)
 {
 	void *eventStack;
 
+	spin_lock_init(&hvlpevent_queue.lock);
+
 	/* Allocate a page for the Event Stack. */
 	eventStack = alloc_bootmem_pages(LpEventStackSize);
 	memset(eventStack, 0, LpEventStackSize);
diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c
index 3f87901..3ecc4a6 100644
--- a/arch/powerpc/platforms/iseries/setup.c
+++ b/arch/powerpc/platforms/iseries/setup.c
@@ -648,6 +648,7 @@ static void yield_shared_processor(void)
 	 * here and let the timer_interrupt code sort out the actual time.
 	 */
 	get_lppaca()->int_dword.fields.decr_int = 1;
+	ppc64_runlatch_on();
 	process_iSeries_events();
 }
 
diff --git a/arch/powerpc/platforms/maple/pci.c b/arch/powerpc/platforms/maple/pci.c
index 7d4099a..85d6c93 100644
--- a/arch/powerpc/platforms/maple/pci.c
+++ b/arch/powerpc/platforms/maple/pci.c
@@ -435,8 +435,8 @@ void __init maple_pci_init(void)
 			PCI_DN(np)->busno = 0xf0;
 	}
 
-	/* Tell pci.c to use the common resource allocation mecanism */
-	pci_probe_only = 0;
+	/* Tell pci.c to not change any resource allocations.  */
+	pci_probe_only = 1;
 	
 	/* Allow all IO */
 	io_page_mask = -1;
diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig
index e3fc340..4e5c8f8 100644
--- a/arch/powerpc/platforms/pseries/Kconfig
+++ b/arch/powerpc/platforms/pseries/Kconfig
@@ -9,13 +9,6 @@ config PPC_SPLPAR
 	  processors, that is, which share physical processors between
 	  two or more partitions.
 
-config HMT
-	bool "Hardware multithreading"
-	depends on SMP && PPC_PSERIES && BROKEN
-	help
-	  This option enables hardware multithreading on RS64 cpus.
-	  pSeries systems p620 and p660 have such a cpu type.
-
 config EEH
 	bool "PCI Extended Error Handling (EEH)" if EMBEDDED
 	depends on PPC_PSERIES
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 4f26304..7dcdfcb 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -234,7 +234,7 @@ static void mpic_shutdown_ht_interrupt(struct mpic *mpic, unsigned int source,
 	spin_lock_irqsave(&mpic->fixup_lock, flags);
 	writeb(0x10 + 2 * fixup->index, fixup->base + 2);
 	tmp = readl(fixup->base + 4);
-	tmp &= ~1U;
+	tmp |= 1;
 	writel(tmp, fixup->base + 4);
 	spin_unlock_irqrestore(&mpic->fixup_lock, flags);
 }
@@ -446,14 +446,15 @@ static unsigned int mpic_startup_irq(unsigned int irq)
 #ifdef CONFIG_MPIC_BROKEN_U3
 	struct mpic *mpic = mpic_from_irq(irq);
 	unsigned int src = irq - mpic->irq_offset;
+#endif /* CONFIG_MPIC_BROKEN_U3 */
+
+	mpic_enable_irq(irq);
 
+#ifdef CONFIG_MPIC_BROKEN_U3
 	if (mpic_is_ht_interrupt(mpic, src))
 		mpic_startup_ht_interrupt(mpic, src, irq_desc[irq].status);
-
 #endif /* CONFIG_MPIC_BROKEN_U3 */
 
-	mpic_enable_irq(irq);
-
 	return 0;
 }
 
diff --git a/arch/ppc/kernel/head.S b/arch/ppc/kernel/head.S
index c5a890d..53ea845 100644
--- a/arch/ppc/kernel/head.S
+++ b/arch/ppc/kernel/head.S
@@ -751,6 +751,7 @@ AltiVecUnavailable:
 #ifdef CONFIG_ALTIVEC
 	bne	load_up_altivec		/* if from user, just load it up */
 #endif /* CONFIG_ALTIVEC */
+	addi	r3,r1,STACK_FRAME_OVERHEAD
 	EXC_XFER_EE_LITE(0xf20, altivec_unavailable_exception)
 
 #ifdef CONFIG_PPC64BRIDGE
diff --git a/arch/ppc/xmon/adb.c b/arch/ppc/xmon/adb.c
deleted file mode 100644
index e91384d..0000000
--- a/arch/ppc/xmon/adb.c
+++ /dev/null
@@ -1,212 +0,0 @@
-/*
- * Copyright (C) 1996 Paul Mackerras.
- */
-#include "nonstdio.h"
-#include "privinst.h"
-
-#define scanhex	xmon_scanhex
-#define skipbl	xmon_skipbl
-
-#define ADB_B		(*(volatile unsigned char *)0xf3016000)
-#define ADB_SR		(*(volatile unsigned char *)0xf3017400)
-#define ADB_ACR		(*(volatile unsigned char *)0xf3017600)
-#define ADB_IFR		(*(volatile unsigned char *)0xf3017a00)
-
-static inline void eieio(void) { asm volatile ("eieio" : :); }
-
-#define N_ADB_LOG	1000
-struct adb_log {
-    unsigned char b;
-    unsigned char ifr;
-    unsigned char acr;
-    unsigned int time;
-} adb_log[N_ADB_LOG];
-int n_adb_log;
-
-void
-init_adb_log(void)
-{
-    adb_log[0].b = ADB_B;
-    adb_log[0].ifr = ADB_IFR;
-    adb_log[0].acr = ADB_ACR;
-    adb_log[0].time = get_dec();
-    n_adb_log = 0;
-}
-
-void
-dump_adb_log(void)
-{
-    unsigned t, t0;
-    struct adb_log *ap;
-    int i;
-
-    ap = adb_log;
-    t0 = ap->time;
-    for (i = 0; i <= n_adb_log; ++i, ++ap) {
-	t = t0 - ap->time;
-	printf("b=%x ifr=%x acr=%x at %d.%.7d\n", ap->b, ap->ifr, ap->acr,
-	       t / 1000000000, (t % 1000000000) / 100);
-    }
-}
-
-void
-adb_chklog(void)
-{
-    struct adb_log *ap = &adb_log[n_adb_log + 1];
-
-    ap->b = ADB_B;
-    ap->ifr = ADB_IFR;
-    ap->acr = ADB_ACR;
-    if (ap->b != ap[-1].b || (ap->ifr & 4) != (ap[-1].ifr & 4)
-	|| ap->acr != ap[-1].acr) {
-	ap->time = get_dec();
-	++n_adb_log;
-    }
-}
-
-int
-adb_bitwait(int bmask, int bval, int fmask, int fval)
-{
-    int i;
-    struct adb_log *ap;
-
-    for (i = 10000; i > 0; --i) {
-	adb_chklog();
-	ap = &adb_log[n_adb_log];
-	if ((ap->b & bmask) == bval && (ap->ifr & fmask) == fval)
-	    return 0;
-    }
-    return -1;
-}
-
-int
-adb_wait(void)
-{
-    if (adb_bitwait(0, 0, 4, 4) < 0) {
-	printf("adb: ready wait timeout\n");
-	return -1;
-    }
-    return 0;
-}
-
-void
-adb_readin(void)
-{
-    int i, j;
-    unsigned char d[64];
-
-    if (ADB_B & 8) {
-	printf("ADB_B: %x\n", ADB_B);
-	return;
-    }
-    i = 0;
-    adb_wait();
-    j = ADB_SR;
-    eieio();
-    ADB_B &= ~0x20;
-    eieio();
-    for (;;) {
-	if (adb_wait() < 0)
-	    break;
-	d[i++] = ADB_SR;
-	eieio();
-	if (ADB_B & 8)
-	    break;
-	ADB_B ^= 0x10;
-	eieio();
-    }
-    ADB_B |= 0x30;
-    if (adb_wait() == 0)
-	j = ADB_SR;
-    for (j = 0; j < i; ++j)
-	printf("%.2x ", d[j]);
-    printf("\n");
-}
-
-int
-adb_write(unsigned char *d, int i)
-{
-    int j;
-    unsigned x;
-
-    if ((ADB_B & 8) == 0) {
-	printf("r: ");
-	adb_readin();
-    }
-    for (;;) {
-	ADB_ACR = 0x1c;
-	eieio();
-	ADB_SR = d[0];
-	eieio();
-	ADB_B &= ~0x20;
-	eieio();
-	if (ADB_B & 8)
-	    break;
-	ADB_ACR = 0xc;
-	eieio();
-	ADB_B |= 0x20;
-	eieio();
-	adb_readin();
-    }
-    adb_wait();
-    for (j = 1; j < i; ++j) {
-	ADB_SR = d[j];
-	eieio();
-	ADB_B ^= 0x10;
-	eieio();
-	if (adb_wait() < 0)
-	    break;
-    }
-    ADB_ACR = 0xc;
-    eieio();
-    x = ADB_SR;
-    eieio();
-    ADB_B |= 0x30;
-    return j;
-}
-
-void
-adbcmds(void)
-{
-    char cmd;
-    unsigned rtcu, rtcl, dec, pdec, x;
-    int i, j;
-    unsigned char d[64];
-
-    cmd = skipbl();
-    switch (cmd) {
-    case 't':
-	for (;;) {
-	    rtcl = get_rtcl();
-	    rtcu = get_rtcu();
-	    dec = get_dec();
-	    printf("rtc u=%u l=%u dec=%x (%d = %d.%.7d)\n",
-		   rtcu, rtcl, dec, pdec - dec, (pdec - dec) / 1000000000,
-		   ((pdec - dec) % 1000000000) / 100);
-	    pdec = dec;
-	    if (cmd == 'x')
-		break;
-	    while (xmon_read(stdin, &cmd, 1) != 1)
-		;
-	}
-	break;
-    case 'r':
-	init_adb_log();
-	while (adb_bitwait(8, 0, 0, 0) == 0)
-	    adb_readin();
-	break;
-    case 'w':
-	i = 0;
-	while (scanhex(&x))
-	    d[i++] = x;
-	init_adb_log();
-	j = adb_write(d, i);
-	printf("sent %d bytes\n", j);
-	while (adb_bitwait(8, 0, 0, 0) == 0)
-	    adb_readin();
-	break;
-    case 'l':
-	dump_adb_log();
-	break;
-    }
-}
diff --git a/arch/ppc/xmon/start.c b/arch/ppc/xmon/start.c
index 484f5bb..ff86b2d 100644
--- a/arch/ppc/xmon/start.c
+++ b/arch/ppc/xmon/start.c
@@ -6,16 +6,11 @@
 #include <asm/machdep.h>
 #include <asm/io.h>
 #include <asm/page.h>
-#include <linux/adb.h>
-#include <linux/pmu.h>
-#include <linux/cuda.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/sysrq.h>
 #include <linux/bitops.h>
 #include <asm/xmon.h>
-#include <asm/prom.h>
-#include <asm/bootx.h>
 #include <asm/machdep.h>
 #include <asm/errno.h>
 #include <asm/processor.h>
@@ -26,9 +21,7 @@ static volatile unsigned char *sccc, *sccd;
 unsigned int TXRDY, RXRDY, DLAB;
 static int xmon_expect(const char *str, unsigned int timeout);
 
-static int use_screen;
 static int via_modem;
-static int xmon_use_sccb;
 
 #define TB_SPEED	25000000
 
@@ -46,47 +39,6 @@ void buf_access(void)
 		sccd[3] &= ~DLAB;	/* reset DLAB */
 }
 
-extern int adb_init(void);
-
-#ifdef CONFIG_PPC_CHRP
-/*
- * This looks in the "ranges" property for the primary PCI host bridge
- * to find the physical address of the start of PCI/ISA I/O space.
- * It is basically a cut-down version of pci_process_bridge_OF_ranges.
- */
-static unsigned long chrp_find_phys_io_base(void)
-{
-	struct device_node *node;
-	unsigned int *ranges;
-	unsigned long base = CHRP_ISA_IO_BASE;
-	int rlen = 0;
-	int np;
-
-	node = find_devices("isa");
-	if (node != NULL) {
-		node = node->parent;
-		if (node == NULL || node->type == NULL
-		    || strcmp(node->type, "pci") != 0)
-			node = NULL;
-	}
-	if (node == NULL)
-		node = find_devices("pci");
-	if (node == NULL)
-		return base;
-
-	ranges = (unsigned int *) get_property(node, "ranges", &rlen);
-	np = prom_n_addr_cells(node) + 5;
-	while ((rlen -= np * sizeof(unsigned int)) >= 0) {
-		if ((ranges[0] >> 24) == 1 && ranges[2] == 0) {
-			/* I/O space starting at 0, grab the phys base */
-			base = ranges[np - 3];
-			break;
-		}
-		ranges += np;
-	}
-	return base;
-}
-#endif /* CONFIG_PPC_CHRP */
 
 #ifdef CONFIG_MAGIC_SYSRQ
 static void sysrq_handle_xmon(int key, struct pt_regs *regs,
@@ -109,22 +61,6 @@ xmon_map_scc(void)
 #ifdef CONFIG_PPC_MULTIPLATFORM
 	volatile unsigned char *base;
 
-#ifdef CONFIG_PPC_CHRP
-	base = (volatile unsigned char *) isa_io_base;
-	if (_machine == _MACH_chrp)
-		base = (volatile unsigned char *)
-			ioremap(chrp_find_phys_io_base(), 0x1000);
-
-	sccc = base + 0x3fd;
-	sccd = base + 0x3f8;
-	if (xmon_use_sccb) {
-		sccc -= 0x100;
-		sccd -= 0x100;
-	}
-	TXRDY = 0x20;
-	RXRDY = 1;
-	DLAB = 0x80;
-#endif /* CONFIG_PPC_CHRP */
 #elif defined(CONFIG_GEMINI)
 	/* should already be mapped by the kernel boot */
 	sccc = (volatile unsigned char *) 0xffeffb0d;
@@ -143,7 +79,7 @@ xmon_map_scc(void)
 	register_sysrq_key('x', &sysrq_xmon_op);
 }
 
-static int scc_initialized = 0;
+static int scc_initialized;
 
 void xmon_init_scc(void);
 
@@ -163,14 +99,6 @@ xmon_write(void *handle, void *ptr, int nb)
 			break;
 #endif
 
-#ifdef CONFIG_BOOTX_TEXT
-	if (use_screen) {
-		/* write it on the screen */
-		for (i = 0; i < nb; ++i)
-			btext_drawchar(*p++);
-		goto out;
-	}
-#endif
 	if (!scc_initialized)
 		xmon_init_scc();
 	ct = 0;
@@ -190,7 +118,6 @@ xmon_write(void *handle, void *ptr, int nb)
 		eieio();
 	}
 
- out:
 #ifdef CONFIG_SMP
 	if (!locked)
 		clear_bit(0, &xmon_write_lock);
@@ -199,65 +126,7 @@ xmon_write(void *handle, void *ptr, int nb)
 }
 
 int xmon_wants_key;
-int xmon_adb_keycode;
-
-#ifdef CONFIG_BOOTX_TEXT
-static int xmon_adb_shiftstate;
-
-static unsigned char xmon_keytab[128] =
-	"asdfhgzxcv\000bqwer"				/* 0x00 - 0x0f */
-	"yt123465=97-80]o"				/* 0x10 - 0x1f */
-	"u[ip\rlj'k;\\,/nm."				/* 0x20 - 0x2f */
-	"\t `\177\0\033\0\0\0\0\0\0\0\0\0\0"		/* 0x30 - 0x3f */
-	"\0.\0*\0+\0\0\0\0\0/\r\0-\0"			/* 0x40 - 0x4f */
-	"\0\0000123456789\0\0\0";			/* 0x50 - 0x5f */
-
-static unsigned char xmon_shift_keytab[128] =
-	"ASDFHGZXCV\000BQWER"				/* 0x00 - 0x0f */
-	"YT!@#$^%+(&_*)}O"				/* 0x10 - 0x1f */
-	"U{IP\rLJ\"K:|<?NM>"				/* 0x20 - 0x2f */
-	"\t ~\177\0\033\0\0\0\0\0\0\0\0\0\0"		/* 0x30 - 0x3f */
-	"\0.\0*\0+\0\0\0\0\0/\r\0-\0"			/* 0x40 - 0x4f */
-	"\0\0000123456789\0\0\0";			/* 0x50 - 0x5f */
-
-static int
-xmon_get_adb_key(void)
-{
-	int k, t, on;
 
-	xmon_wants_key = 1;
-	for (;;) {
-		xmon_adb_keycode = -1;
-		t = 0;
-		on = 0;
-		do {
-			if (--t < 0) {
-				on = 1 - on;
-				btext_drawchar(on? 0xdb: 0x20);
-				btext_drawchar('\b');
-				t = 200000;
-			}
-			do_poll_adb();
-		} while (xmon_adb_keycode == -1);
-		k = xmon_adb_keycode;
-		if (on)
-			btext_drawstring(" \b");
-
-		/* test for shift keys */
-		if ((k & 0x7f) == 0x38 || (k & 0x7f) == 0x7b) {
-			xmon_adb_shiftstate = (k & 0x80) == 0;
-			continue;
-		}
-		if (k >= 0x80)
-			continue;	/* ignore up transitions */
-		k = (xmon_adb_shiftstate? xmon_shift_keytab: xmon_keytab)[k];
-		if (k != 0)
-			break;
-	}
-	xmon_wants_key = 0;
-	return k;
-}
-#endif /* CONFIG_BOOTX_TEXT */
 
 int
 xmon_read(void *handle, void *ptr, int nb)
@@ -265,18 +134,11 @@ xmon_read(void *handle, void *ptr, int nb)
     char *p = ptr;
     int i;
 
-#ifdef CONFIG_BOOTX_TEXT
-    if (use_screen) {
-	for (i = 0; i < nb; ++i)
-	    *p++ = xmon_get_adb_key();
-	return i;
-    }
-#endif
     if (!scc_initialized)
 	xmon_init_scc();
     for (i = 0; i < nb; ++i) {
 	while ((*sccc & RXRDY) == 0)
-	    do_poll_adb();
+	    ;
 	buf_access();
 	*p++ = *sccd;
     }
@@ -287,7 +149,7 @@ int
 xmon_read_poll(void)
 {
 	if ((*sccc & RXRDY) == 0) {
-		do_poll_adb();
+		;
 		return -1;
 	}
 	buf_access();
@@ -297,15 +159,6 @@ xmon_read_poll(void)
 void
 xmon_init_scc(void)
 {
-	if ( _machine == _MACH_chrp )
-	{
-		sccd[3] = 0x83; eieio();	/* LCR = 8N1 + DLAB */
-		sccd[0] = 12; eieio();		/* DLL = 9600 baud */
-		sccd[1] = 0; eieio();
-		sccd[2] = 0; eieio();		/* FCR = 0 */
-		sccd[3] = 3; eieio();		/* LCR = 8N1 */
-		sccd[1] = 0; eieio();		/* IER = 0 */
-	}
 	scc_initialized = 1;
 	if (via_modem) {
 		for (;;) {
@@ -321,22 +174,6 @@ xmon_init_scc(void)
 	}
 }
 
-#if 0
-extern int (*prom_entry)(void *);
-
-int
-xmon_exit(void)
-{
-    struct prom_args {
-	char *service;
-    } args;
-
-    for (;;) {
-	args.service = "exit";
-	(*prom_entry)(&args);
-    }
-}
-#endif
 
 void *xmon_stdin;
 void *xmon_stdout;
diff --git a/arch/ppc/xmon/xmon.c b/arch/ppc/xmon/xmon.c
index bdaf659..06fa44b 100644
--- a/arch/ppc/xmon/xmon.c
+++ b/arch/ppc/xmon/xmon.c
@@ -12,8 +12,6 @@
 #include <linux/kallsyms.h>
 #include <asm/ptrace.h>
 #include <asm/string.h>
-#include <asm/prom.h>
-#include <asm/bootx.h>
 #include <asm/machdep.h>
 #include <asm/xmon.h>
 #include "nonstdio.h"
@@ -101,9 +99,6 @@ void cacheflush(void);
 static void cpu_cmd(void);
 #endif /* CONFIG_SMP */
 static void csum(void);
-#ifdef CONFIG_BOOTX_TEXT
-static void vidcmds(void);
-#endif
 static void bootcmds(void);
 static void proccall(void);
 static void printtime(void);
@@ -522,11 +517,6 @@ cmds(struct pt_regs *excp)
 			cpu_cmd();
 			break;
 #endif /* CONFIG_SMP */
-#ifdef CONFIG_BOOTX_TEXT
-		case 'v':
-			vidcmds();
-			break;
-#endif
 		case 'z':
 			bootcmds();
 			break;
@@ -618,43 +608,6 @@ static void cpu_cmd(void)
 }
 #endif /* CONFIG_SMP */
 
-#ifdef CONFIG_BOOTX_TEXT
-extern boot_infos_t disp_bi;
-
-static void vidcmds(void)
-{
-	int c = inchar();
-	unsigned int val, w;
-	extern int boot_text_mapped;
-
-	if (!boot_text_mapped)
-		return;
-	if (c != '\n' && scanhex(&val)) {
-		switch (c) {
-		case 'd':
-			w = disp_bi.dispDeviceRowBytes
-				/ (disp_bi.dispDeviceDepth >> 3);
-			disp_bi.dispDeviceDepth = val;
-			disp_bi.dispDeviceRowBytes = w * (val >> 3);
-			return;
-		case 'p':
-			disp_bi.dispDeviceRowBytes = val;
-			return;
-		case 'w':
-			disp_bi.dispDeviceRect[2] = val;
-			return;
-		case 'h':
-			disp_bi.dispDeviceRect[3] = val;
-			return;
-		}
-	}
-	printf("W = %d (0x%x) H = %d (0x%x) D = %d (0x%x) P = %d (0x%x)\n",
-	       disp_bi.dispDeviceRect[2], disp_bi.dispDeviceRect[2],
-	       disp_bi.dispDeviceRect[3], disp_bi.dispDeviceRect[3],
-	       disp_bi.dispDeviceDepth, disp_bi.dispDeviceDepth,
-	       disp_bi.dispDeviceRowBytes, disp_bi.dispDeviceRowBytes);
-}
-#endif /* CONFIG_BOOTX_TEXT */
 
 static unsigned short fcstab[256] = {
 	0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf,
@@ -1020,7 +973,6 @@ dump_hash_table(void)
 }
 #else
 
-#ifndef CONFIG_PPC64BRIDGE
 static void
 dump_hash_table_seg(unsigned seg, unsigned start, unsigned end)
 {
@@ -1079,66 +1031,6 @@ dump_hash_table_seg(unsigned seg, unsigned start, unsigned end)
 		printf(" ... %x\n", last_va);
 }
 
-#else /* CONFIG_PPC64BRIDGE */
-static void
-dump_hash_table_seg(unsigned seg, unsigned start, unsigned end)
-{
-	extern void *Hash;
-	extern unsigned long Hash_size;
-	unsigned *htab = Hash;
-	unsigned hsize = Hash_size;
-	unsigned v, hmask, va, last_va;
-	int found, last_found, i;
-	unsigned *hg, w1, last_w2, last_va0;
-
-	last_found = 0;
-	hmask = hsize / 128 - 1;
-	va = start;
-	start = (start >> 12) & 0xffff;
-	end = (end >> 12) & 0xffff;
-	for (v = start; v < end; ++v) {
-		found = 0;
-		hg = htab + (((v ^ seg) & hmask) * 32);
-		w1 = 1 | (seg << 12) | ((v & 0xf800) >> 4);
-		for (i = 0; i < 8; ++i, hg += 4) {
-			if (hg[1] == w1) {
-				found = 1;
-				break;
-			}
-		}
-		if (!found) {
-			w1 ^= 2;
-			hg = htab + ((~(v ^ seg) & hmask) * 32);
-			for (i = 0; i < 8; ++i, hg += 4) {
-				if (hg[1] == w1) {
-					found = 1;
-					break;
-				}
-			}
-		}
-		if (!(last_found && found && (hg[3] & ~0x180) == last_w2 + 4096)) {
-			if (last_found) {
-				if (last_va != last_va0)
-					printf(" ... %x", last_va);
-				printf("\n");
-			}
-			if (found) {
-				printf("%x to %x", va, hg[3]);
-				last_va0 = va;
-			}
-			last_found = found;
-		}
-		if (found) {
-			last_w2 = hg[3] & ~0x180;
-			last_va = va;
-		}
-		va += 4096;
-	}
-	if (last_found)
-		printf(" ... %x\n", last_va);
-}
-#endif /* CONFIG_PPC64BRIDGE */
-
 static unsigned hash_ctx;
 static unsigned hash_start;
 static unsigned hash_end;
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 615964c..50e8013 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -1552,6 +1552,7 @@ sys_linkat_wrapper:
 	llgtr	%r3,%r3			# const char *
 	lgfr	%r4,%r4			# int
 	llgtr	%r5,%r5			# const char *
+	lgfr	%r6,%r6			# int
 	jg	sys_linkat
 
 	.globl sys_symlinkat_wrapper
diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig
index ab733be..4c0a50a 100644
--- a/arch/sparc64/Kconfig
+++ b/arch/sparc64/Kconfig
@@ -383,6 +383,7 @@ source "arch/sparc64/oprofile/Kconfig"
 
 config KPROBES
 	bool "Kprobes (EXPERIMENTAL)"
+	depends on EXPERIMENTAL && MODULES
 	help
 	  Kprobes allows you to trap at almost any kernel address and
 	  execute a callback function.  register_kprobe() establishes
diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c
index 054461e..158bd31 100644
--- a/arch/sparc64/kernel/setup.c
+++ b/arch/sparc64/kernel/setup.c
@@ -542,6 +542,8 @@ void __init setup_arch(char **cmdline_p)
 	}
 #endif
 
+	smp_setup_cpu_possible_map();
+
 	paging_init();
 }
 
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index 1fb6323..1f7ad8a 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -1079,18 +1079,12 @@ int setup_profiling_timer(unsigned int multiplier)
 	return 0;
 }
 
+/* Constrain the number of cpus to max_cpus.  */
 void __init smp_prepare_cpus(unsigned int max_cpus)
 {
-	int instance, mid;
-
-	instance = 0;
-	while (!cpu_find_by_instance(instance, NULL, &mid)) {
-		if (mid < max_cpus)
-			cpu_set(mid, phys_cpu_present_map);
-		instance++;
-	}
-
 	if (num_possible_cpus() > max_cpus) {
+		int instance, mid;
+
 		instance = 0;
 		while (!cpu_find_by_instance(instance, NULL, &mid)) {
 			if (mid != boot_cpu_id) {
@@ -1105,6 +1099,22 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
 	smp_store_cpu_info(boot_cpu_id);
 }
 
+/* Set this up early so that things like the scheduler can init
+ * properly.  We use the same cpu mask for both the present and
+ * possible cpu map.
+ */
+void __init smp_setup_cpu_possible_map(void)
+{
+	int instance, mid;
+
+	instance = 0;
+	while (!cpu_find_by_instance(instance, NULL, &mid)) {
+		if (mid < NR_CPUS)
+			cpu_set(mid, phys_cpu_present_map);
+		instance++;
+	}
+}
+
 void __devinit smp_prepare_boot_cpu(void)
 {
 	if (hard_smp_processor_id() >= NR_CPUS) {
diff --git a/arch/um/drivers/cow.h b/arch/um/drivers/cow.h
index dc36b22..04e3958 100644
--- a/arch/um/drivers/cow.h
+++ b/arch/um/drivers/cow.h
@@ -46,7 +46,7 @@ extern int file_reader(__u64 offset, char *buf, int len, void *arg);
 extern int read_cow_header(int (*reader)(__u64, char *, int, void *),
 			   void *arg, __u32 *version_out,
 			   char **backing_file_out, time_t *mtime_out,
-			   unsigned long long *size_out, int *sectorsize_out,
+			   __u64 *size_out, int *sectorsize_out,
 			   __u32 *align_out, int *bitmap_offset_out);
 
 extern int write_cow_header(char *cow_file, int fd, char *backing_file,
diff --git a/arch/um/drivers/cow_sys.h b/arch/um/drivers/cow_sys.h
index c83fc5d..94de4ea 100644
--- a/arch/um/drivers/cow_sys.h
+++ b/arch/um/drivers/cow_sys.h
@@ -23,17 +23,17 @@ static inline char *cow_strdup(char *str)
 	return(uml_strdup(str));
 }
 
-static inline int cow_seek_file(int fd, unsigned long long offset)
+static inline int cow_seek_file(int fd, __u64 offset)
 {
 	return(os_seek_file(fd, offset));
 }
 
-static inline int cow_file_size(char *file, unsigned long long *size_out)
+static inline int cow_file_size(char *file, __u64 *size_out)
 {
 	return(os_file_size(file, size_out));
 }
 
-static inline int cow_write_file(int fd, char *buf, int size)
+static inline int cow_write_file(int fd, void *buf, int size)
 {
 	return(os_write_file(fd, buf, size));
 }
diff --git a/arch/um/drivers/cow_user.c b/arch/um/drivers/cow_user.c
index fbe2217..61951b7 100644
--- a/arch/um/drivers/cow_user.c
+++ b/arch/um/drivers/cow_user.c
@@ -176,7 +176,7 @@ int write_cow_header(char *cow_file, int fd, char *backing_file,
 	err = -ENOMEM;
 	header = cow_malloc(sizeof(*header));
 	if(header == NULL){
-		cow_printf("Failed to allocate COW V3 header\n");
+		cow_printf("write_cow_header - failed to allocate COW V3 header\n");
 		goto out;
 	}
 	header->magic = htonl(COW_MAGIC);
@@ -196,15 +196,17 @@ int write_cow_header(char *cow_file, int fd, char *backing_file,
 
 	err = os_file_modtime(header->backing_file, &modtime);
 	if(err < 0){
-		cow_printf("Backing file '%s' mtime request failed, "
-			   "err = %d\n", header->backing_file, -err);
+		cow_printf("write_cow_header - backing file '%s' mtime "
+			   "request failed, err = %d\n", header->backing_file,
+			   -err);
 		goto out_free;
 	}
 
 	err = cow_file_size(header->backing_file, size);
 	if(err < 0){
-		cow_printf("Couldn't get size of backing file '%s', "
-			   "err = %d\n", header->backing_file, -err);
+		cow_printf("write_cow_header - couldn't get size of "
+			   "backing file '%s', err = %d\n",
+			   header->backing_file, -err);
 		goto out_free;
 	}
 
@@ -214,10 +216,11 @@ int write_cow_header(char *cow_file, int fd, char *backing_file,
 	header->alignment = htonl(alignment);
 	header->cow_format = COW_BITMAP;
 
-	err = os_write_file(fd, header, sizeof(*header));
+	err = cow_write_file(fd, header, sizeof(*header));
 	if(err != sizeof(*header)){
-		cow_printf("Write of header to new COW file '%s' failed, "
-			   "err = %d\n", cow_file, -err);
+		cow_printf("write_cow_header - write of header to "
+			   "new COW file '%s' failed, err = %d\n", cow_file,
+			   -err);
 		goto out_free;
 	}
 	err = 0;
@@ -299,7 +302,7 @@ int read_cow_header(int (*reader)(__u64, char *, int, void *), void *arg,
 	}
 	else if(version == 3){
 		if(n < sizeof(header->v3)){
-			cow_printf("read_cow_header - failed to read V2 "
+			cow_printf("read_cow_header - failed to read V3 "
 				   "header\n");
 			goto out;
 		}
@@ -359,7 +362,8 @@ int init_cow_file(int fd, char *cow_file, char *backing_file, int sectorsize,
 	if(err != sizeof(zero)){
 		cow_printf("Write of bitmap to new COW file '%s' failed, "
 			   "err = %d\n", cow_file, -err);
-		err = -EINVAL;
+		if (err >= 0)
+			err = -EINVAL;
 		goto out;
 	}
 
diff --git a/arch/um/drivers/net_user.c b/arch/um/drivers/net_user.c
index 098fa65..0e2f061 100644
--- a/arch/um/drivers/net_user.c
+++ b/arch/um/drivers/net_user.c
@@ -47,10 +47,12 @@ void tap_check_ips(char *gate_addr, unsigned char *eth_addr)
 	}
 }
 
+/* Do reliable error handling as this fails frequently enough. */
 void read_output(int fd, char *output, int len)
 {
-	int remain, n, actual;
+	int remain, ret, expected;
 	char c;
+	char *str;
 
 	if(output == NULL){
 		output = &c;
@@ -58,23 +60,31 @@ void read_output(int fd, char *output, int len)
 	}
 		
 	*output = '\0';
-	n = os_read_file(fd, &remain, sizeof(remain));
-	if(n != sizeof(remain)){
-		printk("read_output - read of length failed, err = %d\n", -n);
-		return;
+	ret = os_read_file(fd, &remain, sizeof(remain));
+
+	if (ret != sizeof(remain)) {
+		expected = sizeof(remain);
+		str = "length";
+		goto err;
 	}
 
 	while(remain != 0){
-		n = (remain < len) ? remain : len;
-		actual = os_read_file(fd, output, n);
-		if(actual != n){
-			printk("read_output - read of data failed, "
-			       "err = %d\n", -actual);
-			return;
+		expected = (remain < len) ? remain : len;
+		ret = os_read_file(fd, output, expected);
+		if (ret != expected) {
+			str = "data";
+			goto err;
 		}
-		remain -= actual;
+		remain -= ret;
 	}
+
 	return;
+
+err:
+	if (ret < 0)
+		printk("read_output - read of %s failed, errno = %d\n", str, -ret);
+	else
+		printk("read_output - read of %s failed, read only %d of %d bytes\n", str, ret, expected);
 }
 
 int net_read(int fd, void *buf, int len)
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 101efd2..fa617e0 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -1135,7 +1135,7 @@ static int path_requires_switch(char *from_cmdline, char *from_cow, char *cow)
 static int backing_file_mismatch(char *file, __u64 size, time_t mtime)
 {
 	unsigned long modtime;
-	long long actual;
+	unsigned long long actual;
 	int err;
 
 	err = os_file_modtime(file, &modtime);
diff --git a/arch/um/include/init.h b/arch/um/include/init.h
index cbd79a8..d4de7c0 100644
--- a/arch/um/include/init.h
+++ b/arch/um/include/init.h
@@ -122,7 +122,7 @@ extern struct uml_param __uml_setup_start, __uml_setup_end;
 
 #define __exitcall(fn) static exitcall_t __exitcall_##fn __exit_call = fn
 
-#define __init_call __attribute__ ((unused,__section__ (".initcall.init")))
+#define __init_call	__attribute_used__ __attribute__ ((__section__ (".initcall.init")))
 
 #endif
 
diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index eb1710b..2a1c64d 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -179,8 +179,11 @@ extern void os_stop_process(int pid);
 extern void os_kill_process(int pid, int reap_child);
 extern void os_kill_ptraced_process(int pid, int reap_child);
 extern void os_usr1_process(int pid);
+extern long os_ptrace_ldt(long pid, long addr, long data);
+
 extern int os_getpid(void);
 extern int os_getpgrp(void);
+
 extern void init_new_thread_stack(void *sig_stack, void (*usr1_handler)(int));
 extern void init_new_thread_signals(int altstack);
 extern int run_kernel_thread(int (*fn)(void *), void *arg, void **jmp_ptr);
diff --git a/arch/um/os-Linux/file.c b/arch/um/os-Linux/file.c
index f55773c..3bd10de 100644
--- a/arch/um/os-Linux/file.c
+++ b/arch/um/os-Linux/file.c
@@ -272,14 +272,23 @@ int os_connect_socket(char *name)
 	snprintf(sock.sun_path, sizeof(sock.sun_path), "%s", name);
 
 	fd = socket(AF_UNIX, SOCK_STREAM, 0);
-	if(fd < 0)
-		return(fd);
+	if(fd < 0) {
+		err = -errno;
+		goto out;
+	}
 
 	err = connect(fd, (struct sockaddr *) &sock, sizeof(sock));
-	if(err)
-		return(-errno);
+	if(err) {
+		err = -errno;
+		goto out_close;
+	}
 
-	return(fd);
+	return fd;
+
+out_close:
+	close(fd);
+out:
+	return err;
 }
 
 void os_close_file(int fd)
diff --git a/arch/um/os-Linux/process.c b/arch/um/os-Linux/process.c
index 7f5e2da..d261888 100644
--- a/arch/um/os-Linux/process.c
+++ b/arch/um/os-Linux/process.c
@@ -19,6 +19,7 @@
 #include "irq_user.h"
 #include "kern_util.h"
 #include "longjmp.h"
+#include "skas_ptrace.h"
 
 #define ARBITRARY_ADDR -1
 #define FAILURE_PID    -1
@@ -100,6 +101,21 @@ void os_kill_process(int pid, int reap_child)
 		
 }
 
+/* This is here uniquely to have access to the userspace errno, i.e. the one
+ * used by ptrace in case of error.
+ */
+
+long os_ptrace_ldt(long pid, long addr, long data)
+{
+	int ret;
+
+	ret = ptrace(PTRACE_LDT, pid, addr, data);
+
+	if (ret < 0)
+		return -errno;
+	return ret;
+}
+
 /* Kill off a ptraced child by all means available.  kill it normally first,
  * then PTRACE_KILL it, then PTRACE_CONT it in case it's in a run state from
  * which it can't exit directly.
diff --git a/arch/um/sys-i386/ldt.c b/arch/um/sys-i386/ldt.c
index 1fa09a7..fe0877b 100644
--- a/arch/um/sys-i386/ldt.c
+++ b/arch/um/sys-i386/ldt.c
@@ -107,7 +107,7 @@ long write_ldt_entry(struct mm_id * mm_idp, int func, struct user_desc * desc,
 		 * So we need to switch child's mm into our userspace, then
 		 * later switch back.
 		 *
-		 * Note: I'm unshure: should interrupts be disabled here?
+		 * Note: I'm unsure: should interrupts be disabled here?
 		 */
 		if(!current->active_mm || current->active_mm == &init_mm ||
 		   mm_idp != &current->active_mm->context.skas.id)
@@ -129,9 +129,7 @@ long write_ldt_entry(struct mm_id * mm_idp, int func, struct user_desc * desc,
 			pid = userspace_pid[cpu];
 		}
 
-		res = ptrace(PTRACE_LDT, pid, 0, (unsigned long) &ldt_op);
-		if(res)
-			res = errno;
+		res = os_ptrace_ldt(pid, 0, (unsigned long) &ldt_op);
 
 		if(proc_mm)
 			put_cpu();
@@ -181,8 +179,7 @@ static long read_ldt_from_host(void __user * ptr, unsigned long bytecount)
 	 */
 
 	cpu = get_cpu();
-	res = ptrace(PTRACE_LDT, userspace_pid[cpu], 0,
-		     (unsigned long) &ptrace_ldt);
+	res = os_ptrace_ldt(userspace_pid[cpu], 0, (unsigned long) &ptrace_ldt);
 	put_cpu();
 	if(res < 0)
 		goto out;
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig
index 2f9deca..e18eb79 100644
--- a/arch/x86_64/Kconfig
+++ b/arch/x86_64/Kconfig
@@ -354,21 +354,6 @@ config HPET_TIMER
 	  as it is off-chip.  You can find the HPET spec at
 	  <http://www.intel.com/hardwaredesign/hpetspec.htm>.
 
-config X86_PM_TIMER
-	bool "PM timer" if EMBEDDED
-	depends on ACPI
-	default y
-	help
-	  Support the ACPI PM timer for time keeping. This is slow,
-	  but is useful on some chipsets without HPET on systems with more
-	  than one CPU. On a single processor or single socket multi core
-	  system it is normally not required.
-	  When the PM timer is active 64bit vsyscalls are disabled
-	  and should not be enabled (/proc/sys/kernel/vsyscall64 should
-	  not be changed).
-	  The kernel selects the PM timer only as a last resort, so it is
-	  useful to enable just in case.
-
 config HPET_EMULATE_RTC
 	bool "Provide RTC interrupt"
 	depends on HPET_TIMER && RTC=y
@@ -592,6 +577,7 @@ source "arch/x86_64/oprofile/Kconfig"
 
 config KPROBES
 	bool "Kprobes (EXPERIMENTAL)"
+	depends on EXPERIMENTAL && MODULES
 	help
 	  Kprobes allows you to trap at almost any kernel address and
 	  execute a callback function.  register_kprobe() establishes
diff --git a/arch/x86_64/kernel/Makefile b/arch/x86_64/kernel/Makefile
index 72fe60c..a098a11 100644
--- a/arch/x86_64/kernel/Makefile
+++ b/arch/x86_64/kernel/Makefile
@@ -43,7 +43,7 @@ CFLAGS_vsyscall.o		:= $(PROFILING) -g0
 
 bootflag-y			+= ../../i386/kernel/bootflag.o
 cpuid-$(subst m,y,$(CONFIG_X86_CPUID))  += ../../i386/kernel/cpuid.o
-topology-y                     += ../../i386/mach-default/topology.o
+topology-y                     += ../../i386/kernel/topology.o
 microcode-$(subst m,y,$(CONFIG_MICROCODE))  += ../../i386/kernel/microcode.o
 intel_cacheinfo-y		+= ../../i386/kernel/cpu/intel_cacheinfo.o
 quirks-y			+= ../../i386/kernel/quirks.o
diff --git a/arch/x86_64/kernel/aperture.c b/arch/x86_64/kernel/aperture.c
index e4e2b7d..a0f955b 100644
--- a/arch/x86_64/kernel/aperture.c
+++ b/arch/x86_64/kernel/aperture.c
@@ -248,7 +248,7 @@ void __init iommu_hole_init(void)
 		/* Got the aperture from the AGP bridge */
 	} else if (swiotlb && !valid_agp) {
 		/* Do nothing */
-	} else if ((!no_iommu && end_pfn >= MAX_DMA32_PFN) ||
+	} else if ((!no_iommu && end_pfn > MAX_DMA32_PFN) ||
 		   force_iommu ||
 		   valid_agp ||
 		   fallback_aper_force) { 
diff --git a/arch/x86_64/kernel/apic.c b/arch/x86_64/kernel/apic.c
index e5b14c5..d70605e 100644
--- a/arch/x86_64/kernel/apic.c
+++ b/arch/x86_64/kernel/apic.c
@@ -962,12 +962,14 @@ void smp_apic_timer_interrupt(struct pt_regs *regs)
 	irq_exit();
 }
 
+int __initdata unsync_tsc_on_multicluster;
+
 /*
  * oem_force_hpet_timer -- force HPET mode for some boxes.
  *
  * Thus far, the major user of this is IBM's Summit2 series:
  *
- * Clustered boxes may have unsynced TSC problems if they are
+ * Some clustered boxes may have unsynced TSC problems if they are
  * multi-chassis. Use available data to take a good guess.
  * If in doubt, go HPET.
  */
@@ -977,6 +979,11 @@ __cpuinit int oem_force_hpet_timer(void)
 	unsigned id;
 	DECLARE_BITMAP(clustermap, NUM_APIC_CLUSTERS);
 
+	/* Only do this check on IBM machines - big Unisys systems
+	   use multiple clusters too, but have synchronized TSC */
+	if (!unsync_tsc_on_multicluster)
+		return 0;
+
 	bitmap_zero(clustermap, NUM_APIC_CLUSTERS);
 
 	for (i = 0; i < NR_CPUS; i++) {
diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c
index 2585c1d..ffed464 100644
--- a/arch/x86_64/kernel/io_apic.c
+++ b/arch/x86_64/kernel/io_apic.c
@@ -50,6 +50,8 @@ static int no_timer_check;
 
 int disable_timer_pin_1 __initdata;
 
+int timer_over_8254 __initdata = 1;
+
 /* Where if anywhere is the i8259 connect in external int mode */
 static struct { int pin, apic; } ioapic_i8259 = { -1, -1 };
 
@@ -251,6 +253,20 @@ static int __init enable_ioapic_setup(char *str)
 __setup("noapic", disable_ioapic_setup);
 __setup("apic", enable_ioapic_setup);
 
+static int __init setup_disable_8254_timer(char *s)
+{
+	timer_over_8254 = -1;
+	return 1;
+}
+static int __init setup_enable_8254_timer(char *s)
+{
+	timer_over_8254 = 2;
+	return 1;
+}
+
+__setup("disable_8254_timer", setup_disable_8254_timer);
+__setup("enable_8254_timer", setup_enable_8254_timer);
+
 #include <asm/pci-direct.h>
 #include <linux/pci_ids.h>
 #include <linux/pci.h>
@@ -309,27 +325,20 @@ void __init check_ioapic(void)
 #endif
 					/* RED-PEN skip them on mptables too? */
 					return;
+
+				/* This should be actually default, but
+				   for 2.6.16 let's do it for ATI only where
+				   it's really needed. */
 				case PCI_VENDOR_ID_ATI:
-					if (apic_runs_main_timer != 0)
-						break;
-#ifdef CONFIG_ACPI
-					/* Don't do this for laptops right
-					   right now because their timer
-					   doesn't necessarily tick in C2/3 */
-					if (acpi_fadt.revision >= 3 &&
-			(acpi_fadt.plvl2_lat + acpi_fadt.plvl3_lat) < 1100) {
-						printk(KERN_INFO
-"ATI board detected, but seems to be a laptop. Timer might be shakey, sorry\n");
-						break;
-					}
-#endif					
+					if (timer_over_8254 == 1) {	
+						timer_over_8254 = 0;	
 					printk(KERN_INFO
-	     "ATI board detected. Using APIC/PM timer.\n");
-					apic_runs_main_timer = 1;
-					nohpet = 1;
+		"ATI board detected. Disabling timer routing over 8254.\n");
+					}	
 					return;
 				} 
 
+
 				/* No multi-function device? */
 				type = read_pci_config_byte(num,slot,func,
 							    PCI_HEADER_TYPE);
@@ -1773,6 +1782,8 @@ static inline void unlock_ExtINT_logic(void)
  * a wide range of boards and BIOS bugs.  Fortunately only the timer IRQ
  * is so screwy.  Thanks to Brian Perkins for testing/hacking this beast
  * fanatically on his truly buggy board.
+ *
+ * FIXME: really need to revamp this for modern platforms only.
  */
 static inline void check_timer(void)
 {
@@ -1795,7 +1806,8 @@ static inline void check_timer(void)
 	 */
 	apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT);
 	init_8259A(1);
-	enable_8259A_irq(0);
+	if (timer_over_8254 > 0)
+		enable_8259A_irq(0);
 
 	pin1  = find_isa_irq_pin(0, mp_INT);
 	apic1 = find_isa_irq_apic(0, mp_INT);
@@ -1850,7 +1862,7 @@ static inline void check_timer(void)
 	}
 	printk(" failed.\n");
 
-	if (nmi_watchdog) {
+	if (nmi_watchdog == NMI_IO_APIC) {
 		printk(KERN_WARNING "timer doesn't work through the IO-APIC - disabling NMI Watchdog!\n");
 		nmi_watchdog = 0;
 	}
diff --git a/arch/x86_64/kernel/pci-gart.c b/arch/x86_64/kernel/pci-gart.c
index dd0718d..0c3f052 100644
--- a/arch/x86_64/kernel/pci-gart.c
+++ b/arch/x86_64/kernel/pci-gart.c
@@ -228,11 +228,6 @@ static inline int need_iommu(struct device *dev, unsigned long addr, size_t size
 	int mmu = high;
 	if (force_iommu) 
 		mmu = 1; 
-	if (no_iommu) { 
-		if (high) 
-			panic("PCI-DMA: high address but no IOMMU.\n"); 
-		mmu = 0; 
-	} 	
 	return mmu; 
 }
 
@@ -241,11 +236,6 @@ static inline int nonforced_iommu(struct device *dev, unsigned long addr, size_t
 	u64 mask = *dev->dma_mask;
 	int high = addr + size >= mask;
 	int mmu = high;
-	if (no_iommu) { 
-		if (high) 
-			panic("PCI-DMA: high address but no IOMMU.\n"); 
-		mmu = 0; 
-	} 	
 	return mmu; 
 }
 
@@ -310,7 +300,7 @@ void gart_unmap_sg(struct device *dev, struct scatterlist *sg, int nents, int di
 
 	for (i = 0; i < nents; i++) {
 		struct scatterlist *s = &sg[i];
-		if (!s->dma_length)
+		if (!s->dma_length || !s->length)
 			break;
 		dma_unmap_single(dev, s->dma_address, s->dma_length, dir);
 	}
@@ -364,6 +354,7 @@ static int __dma_map_cont(struct scatterlist *sg, int start, int stopat,
 		
 		BUG_ON(i > start && s->offset);
 		if (i == start) {
+			*sout = *s; 
 			sout->dma_address = iommu_bus_base;
 			sout->dma_address += iommu_page*PAGE_SIZE + s->offset;
 			sout->dma_length = s->length;
@@ -390,6 +381,7 @@ static inline int dma_map_cont(struct scatterlist *sg, int start, int stopat,
 {
 	if (!need) { 
 		BUG_ON(stopat - start != 1);
+		*sout = sg[start]; 
 		sout->dma_length = sg[start].length; 
 		return 0;
 	} 
@@ -632,17 +624,13 @@ static int __init pci_iommu_init(void)
 		(agp_copy_info(agp_bridge, &info) < 0);
 #endif	
 
-	if (swiotlb) { 
-		no_iommu = 1;
+	if (swiotlb)
 		return -1; 
-	} 
-	
+
 	if (no_iommu ||
 	    (!force_iommu && end_pfn <= MAX_DMA32_PFN) ||
 	    !iommu_aperture ||
 	    (no_agp && init_k8_gatt(&info) < 0)) {
-		no_iommu = 1;
-		no_iommu_init();
 		printk(KERN_INFO "PCI-DMA: Disabling IOMMU.\n");
 		if (end_pfn > MAX_DMA32_PFN) {
 			printk(KERN_ERR "WARNING more than 4GB of memory "
diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 9435ab7..aa55e3c 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -423,6 +423,12 @@ static __init void parse_cmdline_early (char ** cmdline_p)
 		else if(!memcmp(from, "elfcorehdr=", 11))
 			elfcorehdr_addr = memparse(from+11, &from);
 #endif
+
+#ifdef CONFIG_HOTPLUG_CPU
+		else if (!memcmp(from, "additional_cpus=", 16))
+			setup_additional_cpus(from+16);
+#endif
+
 	next_char:
 		c = *(from++);
 		if (!c)
diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c
index 67e4e28..66e9865 100644
--- a/arch/x86_64/kernel/smpboot.c
+++ b/arch/x86_64/kernel/smpboot.c
@@ -1152,8 +1152,6 @@ void __init smp_cpus_done(unsigned int max_cpus)
 	setup_ioapic_dest();
 #endif
 
-	time_init_gtod();
-
 	check_nmi_watchdog();
 }
 
@@ -1244,7 +1242,7 @@ void __cpu_die(unsigned int cpu)
  	printk(KERN_ERR "CPU %u didn't die...\n", cpu);
 }
 
-static __init int setup_additional_cpus(char *s)
+__init int setup_additional_cpus(char *s)
 {
 	return get_option(&s, &additional_cpus);
 }
diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c
index 67841d1..3080f84 100644
--- a/arch/x86_64/kernel/time.c
+++ b/arch/x86_64/kernel/time.c
@@ -48,6 +48,8 @@ static void cpufreq_delayed_get(void);
 extern void i8254_timer_resume(void);
 extern int using_apic_timer;
 
+static char *time_init_gtod(void);
+
 DEFINE_SPINLOCK(rtc_lock);
 DEFINE_SPINLOCK(i8253_lock);
 
@@ -901,6 +903,7 @@ static struct irqaction irq0 = {
 void __init time_init(void)
 {
 	char *timename;
+	char *gtod;
 
 #ifdef HPET_HACK_ENABLE_DANGEROUS
         if (!vxtime.hpet_address) {
@@ -945,21 +948,19 @@ void __init time_init(void)
 		timename = "PIT";
 	}
 
-	printk(KERN_INFO "time.c: Using %ld.%06ld MHz %s timer.\n",
-	       vxtime_hz / 1000000, vxtime_hz % 1000000, timename);
+	vxtime.mode = VXTIME_TSC;
+	gtod = time_init_gtod();
+
+	printk(KERN_INFO "time.c: Using %ld.%06ld MHz WALL %s GTOD %s timer.\n",
+	       vxtime_hz / 1000000, vxtime_hz % 1000000, timename, gtod);
 	printk(KERN_INFO "time.c: Detected %d.%03d MHz processor.\n",
 		cpu_khz / 1000, cpu_khz % 1000);
-	vxtime.mode = VXTIME_TSC;
 	vxtime.quot = (1000000L << 32) / vxtime_hz;
 	vxtime.tsc_quot = (1000L << 32) / cpu_khz;
 	vxtime.last_tsc = get_cycles_sync();
 	setup_irq(0, &irq0);
 
 	set_cyc2ns_scale(cpu_khz);
-
-#ifndef CONFIG_SMP
-	time_init_gtod();
-#endif
 }
 
 /*
@@ -981,9 +982,9 @@ __cpuinit int unsynchronized_tsc(void)
 }
 
 /*
- * Decide after all CPUs are booted what mode gettimeofday should use.
+ * Decide what mode gettimeofday should use.
  */
-void __init time_init_gtod(void)
+__init static char *time_init_gtod(void)
 {
 	char *timetype;
 
@@ -1011,8 +1012,7 @@ void __init time_init_gtod(void)
 		timetype = hpet_use_timer ? "HPET/TSC" : "PIT/TSC";
 		vxtime.mode = VXTIME_TSC;
 	}
-
-	printk(KERN_INFO "time.c: Using %s based timekeeping.\n", timetype);
+	return timetype;
 }
 
 __setup("report_lost_ticks", time_setup);