Merge flint.arm.linux.org.uk:/usr/src/linux-bk-2.5/linux-2.5

into flint.arm.linux.org.uk:/usr/src/linux-bk-2.5/linux-2.5-rmk

arch/arm/Makefile

@@ -15,8 +15,8 @@ GZFLAGS		:=-9
 
 CFLAGS		:=$(CFLAGS:-O2=-Os)
 
-ifneq ($(CONFIG_NO_FRAME_POINTER),y)
-CFLAGS		:=$(CFLAGS: -fomit-frame-pointer=)
+ifeq ($(CONFIG_FRAME_POINTER),y)
+CFLAGS		:=$(CFLAGS:-fomit-frame-pointer=-mapcs -mno-sched-prolog)
 endif
 
 ifeq ($(CONFIG_DEBUG_INFO),y)
@@ -179,8 +179,10 @@ FASTFPE_OBJ	:=$(FASTFPE)/
 endif
 
 # If we have a machine-specific directory, then include it in the build.
-core-y				+= arch/arm/mach-$(MACHINE)/ \
-				   arch/arm/kernel/ arch/arm/mm/
+ifneq ($(MACHINE),)
+core-y				+= arch/arm/mach-$(MACHINE)/
+endif
+core-y				+= arch/arm/kernel/ arch/arm/mm/
 core-$(CONFIG_FPE_NWFPE)	+= arch/arm/nwfpe/
 core-$(CONFIG_FPE_FASTFPE)	+= $(FASTFPE_OBJ)
 

arch/arm/boot/compressed/head-sa1100.S

@@ -76,4 +76,3 @@ __SA1100_start:
 		mov	r0, #0x00200000
 1:		subs	r0, r0, #1
 		bne	1b
-

arch/arm/def-configs/adi_evb

@@ -669,7 +669,7 @@ CONFIG_PARTITION_ADVANCED=y
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_ERRORS=y
 CONFIG_DEBUG_USER=y
 # CONFIG_DEBUG_INFO is not set

arch/arm/def-configs/adsbitsy

@@ -654,7 +654,7 @@ CONFIG_USB_MOUSE=y
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_ERRORS=y
 # CONFIG_DEBUG_USER is not set
 # CONFIG_DEBUG_INFO is not set

arch/arm/def-configs/anakin

@@ -610,7 +610,7 @@ CONFIG_FONT_8x16=y
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_USER=y
 # CONFIG_DEBUG_INFO is not set
 # CONFIG_DEBUG_KERNEL is not set

arch/arm/def-configs/assabet

@@ -954,7 +954,7 @@ CONFIG_SWITCHES_UCB1X00=y
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_ERRORS=y
 CONFIG_DEBUG_USER=y
 # CONFIG_DEBUG_INFO is not set

arch/arm/def-configs/badge4

@@ -1141,7 +1141,7 @@ CONFIG_BT_HCIVHCI=m
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_USER=y
 CONFIG_DEBUG_INFO=y
 CONFIG_DEBUG_KERNEL=y

arch/arm/def-configs/cerfcube

@@ -863,7 +863,7 @@ CONFIG_PC_KEYMAP=y
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_ERRORS=y
 CONFIG_DEBUG_USER=y
 # CONFIG_DEBUG_INFO is not set

arch/arm/def-configs/cerfpda

@@ -957,7 +957,7 @@ CONFIG_BT_HCIUART=y
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_ERRORS=y
 CONFIG_DEBUG_USER=y
 # CONFIG_DEBUG_INFO is not set

arch/arm/def-configs/cerfpod

@@ -884,7 +884,7 @@ CONFIG_FONT_8x16=y
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_ERRORS=y
 CONFIG_DEBUG_USER=y
 # CONFIG_DEBUG_INFO is not set

arch/arm/def-configs/ebsa110

@@ -595,7 +595,7 @@ CONFIG_PARTITION_ADVANCED=y
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_ERRORS=y
 # CONFIG_DEBUG_USER is not set
 # CONFIG_DEBUG_INFO is not set

arch/arm/def-configs/epxa10db

@@ -678,7 +678,7 @@ CONFIG_MSDOS_PARTITION=y
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 # CONFIG_DEBUG_USER is not set
 # CONFIG_DEBUG_INFO is not set
 # CONFIG_NO_PGT_CACHE is not set

arch/arm/def-configs/flexanet

@@ -886,7 +886,7 @@ CONFIG_SOUND=y
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_USER=y
 # CONFIG_DEBUG_INFO is not set
 # CONFIG_NO_PGT_CACHE is not set

arch/arm/def-configs/fortunet

@@ -577,7 +577,7 @@ CONFIG_MSDOS_PARTITION=y
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_USER=y
 # CONFIG_DEBUG_INFO is not set
 # CONFIG_NO_PGT_CACHE is not set

arch/arm/def-configs/freebird

@@ -605,7 +605,7 @@ CONFIG_SOUND_UDA1341=y
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_ERRORS=y
 CONFIG_DEBUG_USER=y
 # CONFIG_DEBUG_INFO is not set

arch/arm/def-configs/freebird_new

@@ -625,7 +625,7 @@ CONFIG_SOUND_UDA1341=y
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_ERRORS=y
 # CONFIG_DEBUG_USER is not set
 # CONFIG_DEBUG_INFO is not set

arch/arm/def-configs/graphicsclient

@@ -722,7 +722,7 @@ CONFIG_FONT_8x16=y
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_ERRORS=y
 CONFIG_DEBUG_USER=y
 # CONFIG_DEBUG_INFO is not set

arch/arm/def-configs/graphicsmaster

@@ -735,7 +735,7 @@ CONFIG_USB_MOUSE=y
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_ERRORS=y
 CONFIG_DEBUG_USER=y
 # CONFIG_DEBUG_INFO is not set

arch/arm/def-configs/h3600

@@ -939,7 +939,7 @@ CONFIG_SOUND_H3600_UDA1341=y
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_ERRORS=y
 # CONFIG_DEBUG_USER is not set
 # CONFIG_DEBUG_INFO is not set

arch/arm/def-configs/integrator

@@ -653,7 +653,7 @@ CONFIG_FONT_8x16=y
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_ERRORS=y
 CONFIG_DEBUG_USER=y
 # CONFIG_DEBUG_INFO is not set

arch/arm/def-configs/iq80310

@@ -786,7 +786,7 @@ CONFIG_MSDOS_PARTITION=y
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_USER=y
 # CONFIG_DEBUG_INFO is not set
 # CONFIG_NO_PGT_CACHE is not set

arch/arm/def-configs/jornada720

@@ -881,7 +881,7 @@ CONFIG_SOUND_SA1100=m
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 # CONFIG_DEBUG_USER is not set
 # CONFIG_DEBUG_INFO is not set
 # CONFIG_NO_PGT_CACHE is not set

arch/arm/def-configs/lart

@@ -883,7 +883,7 @@ CONFIG_SOUND_SA1100SSP=m
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_ERRORS=y
 CONFIG_DEBUG_USER=y
 # CONFIG_DEBUG_INFO is not set

arch/arm/def-configs/lubbock

@@ -860,7 +860,7 @@ CONFIG_SOUND_PRIME=y
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_USER=y
 CONFIG_DEBUG_INFO=y
 CONFIG_DEBUG_KERNEL=y

arch/arm/def-configs/lusl7200

@@ -466,7 +466,7 @@ CONFIG_EXT2_FS=y
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_USER=y
 CONFIG_DEBUG_INFO=y
 # CONFIG_DEBUG_KERNEL is not set

arch/arm/def-configs/neponset

@@ -1104,7 +1104,7 @@ CONFIG_USB_OHCI_SA1111=m
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_USER=y
 # CONFIG_DEBUG_INFO is not set
 CONFIG_DEBUG_KERNEL=y

arch/arm/def-configs/pangolin

@@ -732,7 +732,7 @@ CONFIG_SOUND_PANGOLIN_UDA1341=y
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_ERRORS=y
 CONFIG_DEBUG_USER=y
 CONFIG_DEBUG_INFO=y

arch/arm/def-configs/pfs168_mqtft

@@ -773,7 +773,7 @@ CONFIG_USB_MOUSE=m
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_ERRORS=y
 CONFIG_DEBUG_USER=y
 CONFIG_DEBUG_INFO=y

arch/arm/def-configs/pfs168_mqvga

@@ -773,7 +773,7 @@ CONFIG_USB_MOUSE=m
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_ERRORS=y
 CONFIG_DEBUG_USER=y
 CONFIG_DEBUG_INFO=y

arch/arm/def-configs/pfs168_sastn

@@ -764,7 +764,7 @@ CONFIG_USB_MOUSE=m
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_ERRORS=y
 CONFIG_DEBUG_USER=y
 CONFIG_DEBUG_INFO=y

arch/arm/def-configs/pfs168_satft

@@ -773,7 +773,7 @@ CONFIG_USB_MOUSE=m
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_ERRORS=y
 CONFIG_DEBUG_USER=y
 CONFIG_DEBUG_INFO=y

arch/arm/def-configs/pleb

@@ -525,7 +525,7 @@ CONFIG_MSDOS_PARTITION=y
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_ERRORS=y
 CONFIG_DEBUG_USER=y
 # CONFIG_DEBUG_INFO is not set

arch/arm/def-configs/rpc

@@ -830,7 +830,7 @@ CONFIG_SOUND_VIDC=m
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_ERRORS=y
 CONFIG_DEBUG_USER=y
 # CONFIG_DEBUG_INFO is not set

arch/arm/def-configs/shannon

@@ -726,7 +726,7 @@ CONFIG_MCP_UCB1200_TS=y
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_ERRORS=y
 CONFIG_DEBUG_USER=y
 # CONFIG_DEBUG_INFO is not set

arch/arm/def-configs/shark

@@ -917,7 +917,7 @@ CONFIG_SOUND_SB=m
 #
 # Kernel hacking
 #
-CONFIG_NO_FRAME_POINTER=y
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_USER=y
 # CONFIG_DEBUG_INFO is not set
 # CONFIG_DEBUG_KERNEL is not set

arch/arm/def-configs/stork

@@ -946,7 +946,7 @@ CONFIG_SOUND_H3600_UDA1341=m
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 # CONFIG_DEBUG_USER is not set
 # CONFIG_DEBUG_INFO is not set
 # CONFIG_NO_PGT_CACHE is not set

arch/arm/def-configs/system3

@@ -952,7 +952,7 @@ CONFIG_USB_USBNET=m
 #
 # Kernel hacking
 #
-# CONFIG_NO_FRAME_POINTER is not set
+CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_USER=y
 CONFIG_DEBUG_INFO=y
 # CONFIG_NO_PGT_CACHE is not set

arch/arm/kernel/armksyms.c

@@ -127,6 +127,7 @@ EXPORT_SYMBOL(__bad_xchg);
 EXPORT_SYMBOL(__readwrite_bug);
 EXPORT_SYMBOL(enable_irq);
 EXPORT_SYMBOL(disable_irq);
+EXPORT_SYMBOL(probe_irq_mask);
 EXPORT_SYMBOL(set_irq_type);
 EXPORT_SYMBOL(pm_idle);
 EXPORT_SYMBOL(pm_power_off);

arch/arm/kernel/bios32.c

@@ -259,7 +259,7 @@ struct pci_fixup pcibios_fixups[] = {
 	}, { 0 }
 };
 
-void __init
+void __devinit
 pcibios_update_resource(struct pci_dev *dev, struct resource *root,
 			struct resource *res, int resource)
 {
@@ -300,7 +300,7 @@ pcibios_update_resource(struct pci_dev *dev, struct resource *root,
 	}
 }
 
-void __init pcibios_update_irq(struct pci_dev *dev, int irq)
+void __devinit pcibios_update_irq(struct pci_dev *dev, int irq)
 {
 	if (debug_pci)
 		printk("PCI: Assigning IRQ %02d to %s\n", irq, dev->name);
@@ -321,7 +321,7 @@ static inline int pdev_bad_for_parity(struct pci_dev *dev)
 /*
  * Adjust the device resources from bus-centric to Linux-centric.
  */
-static void __init
+static void __devinit
 pdev_fixup_device_resources(struct pci_sys_data *root, struct pci_dev *dev)
 {
 	unsigned long offset;
@@ -340,7 +340,7 @@ pdev_fixup_device_resources(struct pci_sys_data *root, struct pci_dev *dev)
 	}
 }
 
-static void __init
+static void __devinit
 pbus_assign_bus_resources(struct pci_bus *bus, struct pci_sys_data *root)
 {
 	struct pci_dev *dev = bus->self;
@@ -359,7 +359,7 @@ pbus_assign_bus_resources(struct pci_bus *bus, struct pci_sys_data *root)
  * pcibios_fixup_bus - Called after each bus is probed,
  * but before its children are examined.
  */
-void __init pcibios_fixup_bus(struct pci_bus *bus)
+void __devinit pcibios_fixup_bus(struct pci_bus *bus)
 {
 	struct pci_sys_data *root = bus->sysdata;
 	struct list_head *walk;
@@ -428,7 +428,7 @@ void __init pcibios_fixup_bus(struct pci_bus *bus)
 /*
  * Convert from Linux-centric to bus-centric addresses for bridge devices.
  */
-void __init
+void __devinit
 pcibios_fixup_pbus_ranges(struct pci_bus *bus, struct pbus_set_ranges_data *ranges)
 {
 	struct pci_sys_data *root = bus->sysdata;
@@ -587,12 +587,12 @@ char * __init pcibios_setup(char *str)
 void pcibios_align_resource(void *data, struct resource *res,
 			    unsigned long size, unsigned long align)
 {
-	if (res->flags & IORESOURCE_IO) {
-		unsigned long start = res->start;
+	unsigned long start = res->start;
 
-		if (start & 0x300)
-			res->start = (start + 0x3ff) & ~0x3ff;
-	}
+	if (res->flags & IORESOURCE_IO && start & 0x300)
+		start = (start + 0x3ff) & ~0x3ff;
+
+	res->start = (start + align - 1) & ~(align - 1);
 }
 
 /**
@@ -623,6 +623,13 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
 		if (r->flags & IORESOURCE_MEM)
 			cmd |= PCI_COMMAND_MEMORY;
 	}
+
+	/*
+	 * Bridges (eg, cardbus bridges) need to be fully enabled
+	 */
+	if ((dev->class >> 16) == PCI_BASE_CLASS_BRIDGE)
+		cmd |= PCI_COMMAND_IO | PCI_COMMAND_MEMORY;
+
 	if (cmd != old_cmd) {
 		printk("PCI: enabling device %s (%04x -> %04x)\n",
 		       dev->slot_name, old_cmd, cmd);

arch/arm/kernel/entry-armo.S

@@ -26,6 +26,7 @@
  *  adhering to the above criteria.
  */
 #include <linux/config.h>
+#include <linux/init.h>
 #include "entry-header.S"
 
 		.text
@@ -597,7 +598,7 @@ ENTRY(__switch_to)
  * What we need to put into 0-0x1c are branches to branch to the kernel.
  */
 
-		.section ".text.init",#alloc,#execinstr
+		__INIT
 
 .Ljump_addresses:
 		swi	SYS_ERROR0

arch/arm/kernel/entry-armv.S

@@ -14,6 +14,7 @@
  *  it to save wrong values...  Be aware!
  */
 #include <linux/config.h>
+#include <linux/init.h>
 #include "entry-header.S"
 #include <asm/thread_info.h>
 #include <asm/glue.h>
@@ -1013,7 +1014,7 @@ ENTRY(__switch_to)
 		mcr	p15, 0, r2, c3, c0		@ Set domain register
 		ldmib	r1, {r4 - sl, fp, sp, pc}	@ Load all regs saved previously
 
-		.section ".text.init",#alloc,#execinstr
+		__INIT
 /*
  * Vector stubs.  NOTE that we only align 'vector_IRQ' to a cache line boundary,
  * and we rely on each stub being exactly 48 (1.5 cache lines) in size.  This

arch/arm/kernel/entry-header.S

@@ -12,7 +12,7 @@
 #endif
 
 	.macro	zero_fp
-#ifndef CONFIG_NO_FRAME_POINTER
+#ifdef CONFIG_FRAME_POINTER
 	mov	fp, #0
 #endif
 	.endm

arch/arm/kernel/fiq.c

@@ -37,6 +37,7 @@
  */
 #include <linux/config.h>
 #include <linux/module.h>
+#include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/mman.h>
 #include <linux/init.h>
@@ -203,9 +204,7 @@ void release_fiq(struct fiq_handler *f)
 	if (current_fiq != f) {
 		printk(KERN_ERR "%s FIQ trying to release %s FIQ\n",
 		       f->name, current_fiq->name);
-#ifdef CONFIG_DEBUG_ERRORS
-		__backtrace();
-#endif
+		dump_stack();
 		return;
 	}
 

arch/arm/kernel/head.S

@@ -11,6 +11,7 @@
  */
 #include <linux/config.h>
 #include <linux/linkage.h>
+#include <linux/init.h>
 
 #include <asm/assembler.h>
 #include <asm/mach-types.h>
@@ -68,7 +69,7 @@
  * crap here - that's what the boot loader (or in extreme, well justified
  * circumstances, zImage) is for.
  */
-	.section ".text.init",#alloc,#execinstr
+	__INIT
 	.type	stext, #function
 ENTRY(stext)
 	mov	r12, r0

arch/arm/kernel/irq.c

@@ -578,9 +578,7 @@ void free_irq(unsigned int irq, void *dev_id)
 
 	if (irq >= NR_IRQS || !irq_desc[irq].valid) {
 		printk(KERN_ERR "Trying to free IRQ%d\n",irq);
-#ifdef CONFIG_DEBUG_ERRORS
-		__backtrace();
-#endif
+		dump_stack();
 		return;
 	}
 
@@ -597,15 +595,15 @@ void free_irq(unsigned int irq, void *dev_id)
 
 	if (!action) {
 		printk(KERN_ERR "Trying to free free IRQ%d\n",irq);
-#ifdef CONFIG_DEBUG_ERRORS
-		__backtrace();
-#endif
+		dump_stack();
 	} else {
 		synchronize_irq(irq);
 		kfree(action);
 	}
 }
 
+static DECLARE_MUTEX(probe_sem);
+
 /* Start the interrupt probing.  Unlike other architectures,
  * we don't return a mask of interrupts from probe_irq_on,
  * but return the number of interrupts enabled for the probe.
@@ -617,6 +615,8 @@ unsigned long probe_irq_on(void)
 	unsigned int i, irqs = 0;
 	unsigned long delay;
 
+	down(&probe_sem);
+
 	/*
 	 * first snaffle up any unassigned but
 	 * probe-able interrupts
@@ -656,6 +656,21 @@ unsigned long probe_irq_on(void)
 	return irqs;
 }
 
+unsigned int probe_irq_mask(unsigned long irqs)
+{
+	unsigned int mask = 0, i;
+
+	spin_lock_irq(&irq_controller_lock);
+	for(i = 0; i < 16 && i < NR_IRQS; i++)
+		if (irq_desc[i].probing && irq_desc[i].triggered)
+			mask |= 1 << i;
+	spin_unlock_irq(&irq_controller_lock);
+
+	up(&probe_sem);
+
+	return mask;
+}
+
 /*
  * Possible return values:
  *  >= 0 - interrupt number
@@ -687,6 +702,8 @@ int probe_irq_off(unsigned long irqs)
 out:
 	spin_unlock_irq(&irq_controller_lock);
 
+	up(&probe_sem);
+
 	return irq_found;
 }
 

arch/arm/kernel/process.c

@@ -158,6 +158,8 @@ void show_regs(struct pt_regs * regs)
 
 	flags = condition_codes(regs);
 
+	print_symbol("PC is at %s\n", instruction_pointer(regs));
+	print_symbol("LR is at %s\n", regs->ARM_lr);
 	printk("pc : [<%08lx>]    lr : [<%08lx>]    %s\n"
 	       "sp : %08lx  ip : %08lx  fp : %08lx\n",
 		instruction_pointer(regs),

arch/arm/kernel/setup.c

@@ -170,6 +170,26 @@ static const char *cache_lockdown[16] = {
 	"undefined 15",
 };
 
+static const char *proc_arch[] = {
+	"undefined/unknown",
+	"3",
+	"4",
+	"4T",
+	"5",
+	"5T",
+	"5TE",
+	"?(8)",
+	"?(9)",
+	"?(10)",
+	"?(11)",
+	"?(12)",
+	"?(13)",
+	"?(14)",
+	"?(15)",
+	"?(16)",
+	"?(17)",
+};
+
 #define CACHE_TYPE(x)	(((x) >> 25) & 15)
 #define CACHE_S(x)	((x) & (1 << 24))
 #define CACHE_DSIZE(x)	(((x) >> 12) & 4095)	/* only if S=1 */
@@ -214,6 +234,23 @@ static void __init dump_cpu_info(void)
 #define dump_cpu_info() do { } while (0)
 #endif
 
+int cpu_architecture(void)
+{
+	int cpu_arch;
+
+	if ((processor_id & 0x0000f000) == 0) {
+		cpu_arch = CPU_ARCH_UNKNOWN;
+	} else if ((processor_id & 0x0000f000) == 0x00007000) {
+		cpu_arch = (processor_id & (1 << 23)) ? CPU_ARCH_ARMv4T : CPU_ARCH_ARMv3;
+	} else {
+		cpu_arch = (processor_id >> 16) & 15;
+		if (cpu_arch)
+			cpu_arch += CPU_ARCH_ARMv3;
+	}
+
+	return cpu_arch;
+}
+
 static void __init setup_processor(void)
 {
 	extern struct proc_info_list __proc_info_begin, __proc_info_end;
@@ -250,9 +287,9 @@ static void __init setup_processor(void)
 	cpu_user = *list->user;
 #endif
 
-	printk("CPU: %s %s revision %d\n",
+	printk("CPU: %s %s revision %d (ARMv%s)\n",
 	       proc_info.manufacturer, proc_info.cpu_name,
-	       (int)processor_id & 15);
+	       (int)processor_id & 15, proc_arch[cpu_architecture()]);
 
 	dump_cpu_info();
 
@@ -666,25 +703,6 @@ static const char *hwcap_str[] = {
 	NULL
 };
 
-static const char *proc_arch[16] = {
-	"undefined 0",
-	"4",
-	"4T",
-	"5",
-	"5T",
-	"5TE",
-	"undefined 6",
-	"undefined 7",
-	"undefined 8",
-	"undefined 9",
-	"undefined 10",
-	"undefined 11",
-	"undefined 12",
-	"undefined 13",
-	"undefined 14",
-	"undefined 15"
-};
-
 static void
 c_show_cache(struct seq_file *m, const char *type, unsigned int cache)
 {
@@ -720,30 +738,23 @@ static int c_show(struct seq_file *m, void *v)
 		if (elf_hwcap & (1 << i))
 			seq_printf(m, "%s ", hwcap_str[i]);
 
-	seq_puts(m, "\n");
+	seq_printf(m, "\nCPU implementer\t: 0x%02x\n", processor_id >> 24);
+	seq_printf(m, "CPU architecture: %s\n", proc_arch[cpu_architecture()]);
 
 	if ((processor_id & 0x0000f000) == 0x00000000) {
 		/* pre-ARM7 */
 		seq_printf(m, "CPU part\t\t: %07x\n", processor_id >> 4);
-	} else if ((processor_id & 0x0000f000) == 0x00007000) {
-		/* ARM7 */
-		seq_printf(m, "CPU implementor\t: 0x%02x\n"
-			      "CPU architecture: %s\n"
-			      "CPU variant\t: 0x%02x\n"
-			      "CPU part\t: 0x%03x\n",
-			   processor_id >> 24,
-			   processor_id & (1 << 23) ? "4T" : "3",
-			   (processor_id >> 16) & 127,
-			   (processor_id >> 4) & 0xfff);
 	} else {
-		/* post-ARM7 */
-		seq_printf(m, "CPU implementor\t: 0x%02x\n"
-			      "CPU architecture: %s\n"
-			      "CPU variant\t: 0x%x\n"
-			      "CPU part\t: 0x%03x\n",
-			   processor_id >> 24,
-			   proc_arch[(processor_id >> 16) & 15],
-			   (processor_id >> 20) & 15,
+		if ((processor_id & 0x0000f000) == 0x00007000) {
+			/* ARM7 */
+			seq_printf(m, "CPU variant\t: 0x%02x\n",
+				   (processor_id >> 16) & 127);
+		} else {
+			/* post-ARM7 */
+			seq_printf(m, "CPU variant\t: 0x%x\n",
+				   (processor_id >> 20) & 15);
+		}
+		seq_printf(m, "CPU part\t: 0x%03x\n",
 			   (processor_id >> 4) & 0xfff);
 	}
 	seq_printf(m, "CPU revision\t: %d\n", processor_id & 15);

arch/arm/kernel/traps.c

@@ -48,6 +48,12 @@ const char *processor_modes[]=
 
 static const char *handler[]= { "prefetch abort", "data abort", "address exception", "interrupt" };
 
+void dump_backtrace_entry(unsigned long where, unsigned long from)
+{
+	printk("Function entered at [<%08lx>] from [<%08lx>]\n", where, from);
+	print_symbol("  %s\n", where);
+}
+
 /*
  * Stack pointers should always be within the kernels view of
  * physical memory.  If it is not there, then we can't dump
@@ -162,6 +168,13 @@ static void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk)
 		c_backtrace(fp, processor_mode(regs));
 }
 
+void dump_stack(void)
+{
+#ifdef CONFIG_DEBUG_ERRORS
+	__backtrace();
+#endif
+}
+
 /*
  * This is called from SysRq-T (show_task) to display the current call
  * trace for each process.  This version will also display the running
@@ -190,6 +203,7 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err)
 
 	console_verbose();
 	spin_lock_irq(&die_lock);
+	bust_spinlocks(1);
 
 	printk("Internal error: %s: %x\n", str, err);
 	printk("CPU: %d\n", smp_processor_id());
@@ -203,6 +217,7 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err)
 		dump_instr(regs);
 	}
 
+	bust_spinlocks(0);
 	spin_unlock_irq(&die_lock);
 	do_exit(SIGSEGV);
 }
@@ -517,7 +532,7 @@ void __pgd_error(const char *file, int line, unsigned long val)
 asmlinkage void __div0(void)
 {
 	printk("Division by zero in kernel.\n");
-	__backtrace();
+	dump_stack();
 }
 
 void abort(void)

arch/arm/lib/Makefile

@@ -26,12 +26,12 @@ obj-edb7211	:= io-acorn.o
 
 obj-y		+= $(obj-$(MACHINE))
 
-ifeq ($(CONFIG_CPU_32v4),y)
-  v3		:= n
-  v4		:= y
-else
+ifeq ($(CONFIG_CPU_32v3),y)
   v3		:= y
   v4		:= n
+else
+  v3		:= n
+  v4		:= y
 endif
 
 obj-y		+= io-readsb.o io-writesb.o

arch/arm/lib/backtrace.S

@@ -26,7 +26,7 @@ ENTRY(__backtrace)
 
 ENTRY(c_backtrace)
 
-#ifdef CONFIG_NO_FRAME_POINTER
+#ifndef CONFIG_FRAME_POINTER
 		mov	pc, lr
 #else
 
@@ -62,10 +62,9 @@ ENTRY(c_backtrace)
 		ldr	r3, .Ldsi+4
 		teq	r1, r3
 		subeq	save, save, #4
-		adr	r0, .Lfe
-		mov	r1, save
-		bic	r2, r2, mask
-		bl	printk			@ print pc and link register
+		mov	r0, save
+		bic	r1, r2, mask
+		bl	dump_backtrace_entry
 
 		ldr	r0, [frame, #-8]	@ get sp
 		sub	r0, r0, #4
@@ -140,7 +139,6 @@ ENTRY(c_backtrace)
 		mov	r0, stack
 		LOADREGS(fd, sp!, {instr, reg, stack, r7, pc})
 
-.Lfe:		.asciz	"Function entered at [<%p>] from [<%p>]\n"
 .Lfp:		.asciz	" r%d = %08X%c"
 .Lcr:		.asciz	"\n"
 .Lbad:		.asciz	"Backtrace aborted due to bad frame pointer <%p>\n"

arch/arm/mach-arc/head.S

@@ -11,6 +11,7 @@
  */
 #include <linux/config.h>
 #include <linux/linkage.h>
+#include <linux/init.h>
 #include <asm/mach-types.h>
 
 		.globl	swapper_pg_dir
@@ -19,7 +20,7 @@
 /*
  * Entry point.
  */
-		.section ".text.init",#alloc,#execinstr
+		__INIT
 ENTRY(stext)
 __entry:	cmp	pc, #0x02000000
 		ldrlt	pc, LC0			@ if 0x01800000, call at 0x02080000

arch/arm/mach-clps711x/time.c

@@ -35,7 +35,7 @@ static unsigned long clps711x_gettimeoffset(void)
 {
 	unsigned long hwticks;
 	hwticks = LATCH - (clps_readl(TC2D) & 0xffff);	/* since last underflow */
-	return (hwticks * tick) / LATCH;
+	return (hwticks * (tick_nsec / 1000)) / LATCH;
 }
 
 void __init clps711x_setup_timer(void)

arch/arm/mach-footbridge/mm.c

@@ -84,12 +84,8 @@ void __init footbridge_map_io(void)
  */
 unsigned long __virt_to_bus(unsigned long res)
 {
-#ifdef CONFIG_DEBUG_ERRORS
-	if (res < PAGE_OFFSET || res >= (unsigned long)high_memory) {
-		printk("__virt_to_bus: invalid virtual address 0x%08lx\n", res);
-		__backtrace();
-	}
-#endif
+	WARN_ON(res < PAGE_OFFSET || res >= (unsigned long)high_memory);
+
 	return (res - PAGE_OFFSET) + (*CSR_PCISDRAMBASE & 0xfffffff0);
 }
 
@@ -98,12 +94,8 @@ unsigned long __bus_to_virt(unsigned long res)
 	res -= (*CSR_PCISDRAMBASE & 0xfffffff0);
 	res += PAGE_OFFSET;
 
-#ifdef CONFIG_DEBUG_ERRORS
-	if (res < PAGE_OFFSET || res >= (unsigned long)high_memory) {
-		printk("__bus_to_virt: invalid virtual address 0x%08lx\n", res);
-		__backtrace();
-	}
-#endif
+	WARN_ON(res < PAGE_OFFSET || res >= (unsigned long)high_memory);
+
 	return res;
 }
 

arch/arm/mm/copypage-v3.S

@@ -10,6 +10,7 @@
  *  ASM optimised string functions
  */
 #include <linux/linkage.h>
+#include <linux/init.h>
 #include <asm/assembler.h>
 #include <asm/constants.h>
 
@@ -57,7 +58,7 @@ ENTRY(v3_clear_user_page)
 	bne	1b				@ 1
 	ldr	pc, [sp], #4
 
-	.section ".text.init", #alloc, #execinstr
+	__INIT
 
 ENTRY(v3_user_fns)
 	.long	v3_clear_user_page

arch/arm/mm/copypage-v4mc.S

@@ -10,6 +10,7 @@
  *  ASM optimised string functions
  */
 #include <linux/linkage.h>
+#include <linux/init.h>
 #include <asm/constants.h>
 
 	.text
@@ -70,7 +71,7 @@ ENTRY(v4_mc_clear_user_page)
 	bne	1b				@ 1
 	ldr	pc, [sp], #4
 
-	.section ".text.init", #alloc, #execinstr
+	__INIT
 
 ENTRY(v4_mc_user_fns)
 	.long	v4_mc_clear_user_page

arch/arm/mm/copypage-v4wb.S

@@ -10,6 +10,7 @@
  *  ASM optimised string functions
  */
 #include <linux/linkage.h>
+#include <linux/init.h>
 #include <asm/constants.h>
 
 	.text
@@ -69,7 +70,7 @@ ENTRY(v4wb_clear_user_page)
 	mcr	p15, 0, r1, c7, c10, 4		@ 1   drain WB
 	ldr	pc, [sp], #4
 
-	.section ".text.init", #alloc, #execinstr
+	__INIT
 
 ENTRY(v4wb_user_fns)
 	.long	v4wb_clear_user_page

arch/arm/mm/copypage-v4wt.S

@@ -13,6 +13,7 @@
  *  the only supported cache operation.
  */
 #include <linux/linkage.h>
+#include <linux/init.h>
 #include <asm/constants.h>
 
 	.text
@@ -63,7 +64,7 @@ ENTRY(v4wt_clear_user_page)
 	mcr	p15, 0, r2, c7, c7, 0		@ flush ID cache
 	ldr	pc, [sp], #4
 
-	.section ".text.init", #alloc, #execinstr
+	__INIT
 
 ENTRY(v4wt_user_fns)
 	.long	v4wt_clear_user_page

arch/arm/mm/copypage-xscale.S

@@ -8,6 +8,7 @@
  * published by the Free Software Foundation.
  */
 #include <linux/linkage.h>
+#include <linux/init.h>
 #include <asm/constants.h>
 
 /*
@@ -78,7 +79,7 @@ ENTRY(xscale_mc_clear_user_page)
 	bne	1b
 	ldr	pc, [sp], #4
 
-	.section ".text.init", #alloc, #execinstr
+	__INIT
 
 ENTRY(xscale_mc_user_fns)
 	.long	xscale_mc_clear_user_page

arch/arm/mm/mm-armv.c

@@ -169,7 +169,7 @@ alloc_init_section(unsigned long virt, unsigned long phys, int prot)
 	pmd_t *pmdp, pmd;
 
 	pmdp = pmd_offset(pgd_offset_k(virt), virt);
-	if (virt & (1 << PMD_SHIFT))
+	if (virt & (1 << 20))
 		pmdp++;
 
 	pmd_val(pmd) = phys | prot;
@@ -184,7 +184,7 @@ alloc_init_section(unsigned long virt, unsigned long phys, int prot)
  * the hardware pte table.
  */
 static inline void
-alloc_init_page(unsigned long virt, unsigned long phys, int domain, int prot)
+alloc_init_page(unsigned long virt, unsigned long phys, unsigned int prot_l1, pgprot_t prot)
 {
 	pmd_t *pmdp, pmd;
 	pte_t *ptep;
@@ -195,14 +195,14 @@ alloc_init_page(unsigned long virt, unsigned long phys, int domain, int prot)
 		ptep = alloc_bootmem_low_pages(2 * PTRS_PER_PTE *
 					       sizeof(pte_t));
 
-		pmd_val(pmd) = __pa(ptep) | PMD_TYPE_TABLE | PMD_DOMAIN(domain);
+		pmd_val(pmd) = __pa(ptep) | prot_l1;
 		set_pmd(pmdp, pmd);
 		pmd_val(pmd) += 256 * sizeof(pte_t);
 		set_pmd(pmdp + 1, pmd);
 	}
 	ptep = pte_offset_kernel(pmdp, virt);
 
-	set_pte(ptep, pfn_pte(phys >> PAGE_SHIFT, __pgprot(prot)));
+	set_pte(ptep, pfn_pte(phys >> PAGE_SHIFT, prot));
 }
 
 /*
@@ -217,6 +217,7 @@ static inline void clear_mapping(unsigned long virt)
 
 struct mem_types {
 	unsigned int	prot_pte;
+	unsigned int	prot_l1;
 	unsigned int	prot_sect;
 	unsigned int	domain;
 };
@@ -225,40 +226,82 @@ static struct mem_types mem_types[] __initdata = {
 	[MT_DEVICE] = {
 		.prot_pte  = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY |
 				L_PTE_WRITE,
-		.prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE,
+		.prot_l1   = PMD_TYPE_TABLE | PMD_BIT4,
+		.prot_sect = PMD_TYPE_SECT | PMD_BIT4 | PMD_SECT_UNCACHED |
+				PMD_SECT_AP_WRITE,
 		.domain    = DOMAIN_IO,
 	},
 	[MT_CACHECLEAN] = {
 		.prot_pte  = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY |
 				L_PTE_CACHEABLE | L_PTE_BUFFERABLE,
-		.prot_sect = PMD_TYPE_SECT | PMD_SECT_CACHEABLE |
-				PMD_SECT_BUFFERABLE,
+		.prot_l1   = PMD_TYPE_TABLE | PMD_BIT4,
+		.prot_sect = PMD_TYPE_SECT | PMD_BIT4,
 		.domain    = DOMAIN_KERNEL,
 	},
 	[MT_MINICLEAN] = {
 		.prot_pte  = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY |
 				L_PTE_CACHEABLE,
-		.prot_sect = PMD_TYPE_SECT | PMD_SECT_CACHEABLE,
+		.prot_l1   = PMD_TYPE_TABLE | PMD_BIT4,
+		.prot_sect = PMD_TYPE_SECT | PMD_BIT4 | PMD_SECT_MINICACHE,
 		.domain    = DOMAIN_KERNEL,
 	},
 	[MT_VECTORS] = {
 		.prot_pte  = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY |
 				L_PTE_CACHEABLE | L_PTE_BUFFERABLE |
 				L_PTE_EXEC,
-		.prot_sect = PMD_TYPE_SECT | PMD_SECT_CACHEABLE |
-				PMD_SECT_BUFFERABLE,
+		.prot_l1   = PMD_TYPE_TABLE | PMD_BIT4,
+		.prot_sect = PMD_TYPE_SECT | PMD_BIT4,
 		.domain    = DOMAIN_USER,
 	},
 	[MT_MEMORY] = {
 		.prot_pte  = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY |
 				L_PTE_CACHEABLE | L_PTE_BUFFERABLE |
 				L_PTE_EXEC | L_PTE_WRITE,
-		.prot_sect = PMD_TYPE_SECT | PMD_SECT_CACHEABLE |
-				PMD_SECT_BUFFERABLE | PMD_SECT_AP_WRITE,
+		.prot_l1   = PMD_TYPE_TABLE | PMD_BIT4,
+		.prot_sect = PMD_TYPE_SECT | PMD_BIT4 | PMD_SECT_AP_WRITE,
 		.domain    = DOMAIN_KERNEL,
 	}
 };
 
+/*
+ * Adjust the PMD section entries according to the CPU in use.
+ */
+static void __init build_mem_type_table(void)
+{
+	int cpu_arch = cpu_architecture();
+#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH
+	int writethrough = 1;
+#else
+	int writethrough = 0;
+#endif
+	int writealloc = 0, ecc = 0;
+
+	if (cpu_arch < CPU_ARCH_ARMv5) {
+		writealloc = 0;
+		ecc = 0;
+		mem_types[MT_MINICACHE].prot_sect &= ~PMD_SECT_TEX(1);
+	}
+
+	if (writethrough) {
+		mem_types[MT_CACHECLEAN].prot_sect |= PMD_SECT_WT;
+		mem_types[MT_VECTORS].prot_sect |= PMD_SECT_WT;
+		mem_types[MT_MEMORY].prot_sect |= PMD_SECT_WT;
+	} else {
+		mem_types[MT_CACHECLEAN].prot_sect |= PMD_SECT_WB;
+		mem_types[MT_VECTORS].prot_sect |= PMD_SECT_WB;
+
+		if (writealloc)
+			mem_types[MT_MEMORY].prot_sect |= PMD_SECT_WBWA;
+		else
+			mem_types[MT_MEMORY].prot_sect |= PMD_SECT_WB;
+	}
+
+	if (ecc) {
+		mem_types[MT_VECTORS].prot_sect |= PMD_PROTECTION;
+		mem_types[MT_MEMORY].prot_sect |= PMD_PROTECTION;
+	}
+}
+
 /*
  * Create the page directory entries and any necessary
  * page tables for the mapping specified by `md'.  We
@@ -268,7 +311,8 @@ static struct mem_types mem_types[] __initdata = {
 static void __init create_mapping(struct map_desc *md)
 {
 	unsigned long virt, length;
-	int prot_sect, prot_pte, domain;
+	int prot_sect, prot_l1, domain;
+	pgprot_t prot_pte;
 	long off;
 
 	if (md->virtual != vectors_base() && md->virtual < PAGE_OFFSET) {
@@ -279,7 +323,8 @@ static void __init create_mapping(struct map_desc *md)
 	}
 
 	domain	  = mem_types[md->type].domain;
-	prot_pte  = mem_types[md->type].prot_pte;
+	prot_pte  = __pgprot(mem_types[md->type].prot_pte);
+	prot_l1   = mem_types[md->type].prot_l1 | PMD_DOMAIN(domain);
 	prot_sect = mem_types[md->type].prot_sect | PMD_DOMAIN(domain);
 
 	virt   = md->virtual;
@@ -287,7 +332,7 @@ static void __init create_mapping(struct map_desc *md)
 	length = md->length;
 
 	while ((virt & 0xfffff || (virt + off) & 0xfffff) && length >= PAGE_SIZE) {
-		alloc_init_page(virt, virt + off, domain, prot_pte);
+		alloc_init_page(virt, virt + off, prot_l1, prot_pte);
 
 		virt   += PAGE_SIZE;
 		length -= PAGE_SIZE;
@@ -301,7 +346,7 @@ static void __init create_mapping(struct map_desc *md)
 	}
 
 	while (length >= PAGE_SIZE) {
-		alloc_init_page(virt, virt + off, domain, prot_pte);
+		alloc_init_page(virt, virt + off, prot_l1, prot_pte);
 
 		virt   += PAGE_SIZE;
 		length -= PAGE_SIZE;
@@ -343,6 +388,8 @@ void __init memtable_init(struct meminfo *mi)
 	unsigned long address = 0;
 	int i;
 
+	build_mem_type_table();
+
 	init_maps = p = alloc_bootmem_low_pages(PAGE_SIZE);
 
 	for (i = 0; i < mi->nr_banks; i++) {

arch/arm/mm/proc-arm1020.S

@@ -26,6 +26,7 @@
  */
 #include <linux/linkage.h>
 #include <linux/config.h>
+#include <linux/init.h>
 #include <asm/assembler.h>
 #include <asm/constants.h>
 #include <asm/procinfo.h>
@@ -374,11 +375,6 @@ ENTRY(cpu_arm1020_set_pgd)
  */
 	.align	5
 ENTRY(cpu_arm1020_set_pmd)
-#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH
-	eor	r2, r1, #0x0a			@ C & Section
-	tst	r2, #0x0b
-	biceq	r1, r1, #4			@ clear bufferable bit
-#endif
 	str	r1, [r0]
 #ifndef CONFIG_CPU_DCACHE_DISABLE
 	mcr	p15, 0, r0, c7, c10, 4
@@ -450,7 +446,7 @@ ENTRY(cpu_arm1020_name)
 	.ascii	"\0"
 	.align
 
-	.section ".text.init", #alloc, #execinstr
+	__INIT
 
 __arm1020_setup:
 	mov	r0, #0

arch/arm/mm/proc-arm2_3.S

@@ -13,6 +13,7 @@
  *  and memory functions on ARM2, ARM250 and ARM3 processors.
  */
 #include <linux/linkage.h>
+#include <linux/init.h>
 #include <asm/assembler.h>
 #include <asm/constants.h>
 #include <asm/procinfo.h>
@@ -280,7 +281,7 @@ _arm2_name:	.asciz	"ARM 2"
 _arm250_name:	.asciz	"ARM 250"
 _arm3_name:	.asciz	"ARM 3"
 
-		.section ".text.init", #alloc, #execinstr
+		__INIT
 /*
  * Purpose : Function pointers used to access above functions - all calls
  *	     come through these

arch/arm/mm/proc-arm6_7.S

@@ -11,6 +11,7 @@
  *  functions on the ARM610 & ARM710.
  */
 #include <linux/linkage.h>
+#include <linux/init.h>
 #include <asm/assembler.h>
 #include <asm/constants.h>
 #include <asm/procinfo.h>
@@ -316,7 +317,7 @@ cpu_arm710_name:
 		.asciz	"ARM 710"
 		.align
 
-		.section ".text.init", #alloc, #execinstr
+		__INIT
 
 __arm6_setup:	mov	r0, #0
 		mcr	p15, 0, r0, c7, c0		@ flush caches on v3

arch/arm/mm/proc-arm720.S

@@ -31,6 +31,7 @@
  *   08-25-2000	DBS	Updated for integration of ARM Ltd version.
  */
 #include <linux/linkage.h>
+#include <linux/init.h>
 #include <asm/assembler.h>
 #include <asm/constants.h>
 #include <asm/procinfo.h>
@@ -177,7 +178,7 @@ cpu_arm720_name:
 		.asciz	"ARM720T"
 		.align
 
-		.section ".text.init", #alloc, #execinstr
+		__INIT
 
 __arm720_setup:	mov	r0, #0
 		mcr	p15, 0, r0, c7, c7, 0		@ invalidate caches

arch/arm/mm/proc-arm920.S

@@ -26,6 +26,7 @@
  */
 #include <linux/linkage.h>
 #include <linux/config.h>
+#include <linux/init.h>
 #include <asm/assembler.h>
 #include <asm/constants.h>
 #include <asm/procinfo.h>
@@ -377,11 +378,6 @@ ENTRY(cpu_arm920_set_pgd)
  */
 	.align	5
 ENTRY(cpu_arm920_set_pmd)
-#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH
-	eor	r2, r1, #0x0a			@ C & Section
-	tst	r2, #0x0b
-	biceq	r1, r1, #4			@ clear bufferable bit
-#endif
 	str	r1, [r0]
 	mcr	p15, 0, r0, c7, c10, 1		@ clean D entry
 	mcr	p15, 0, r0, c7, c10, 4		@ drain WB
@@ -443,7 +439,7 @@ ENTRY(cpu_arm920_name)
 	.ascii	"\0"
 	.align
 
-	.section ".text.init", #alloc, #execinstr
+	__INIT
 
 __arm920_setup:
 	mov	r0, #0

arch/arm/mm/proc-arm922.S

@@ -27,6 +27,7 @@
  */
 #include <linux/linkage.h>
 #include <linux/config.h>
+#include <linux/init.h>
 #include <asm/assembler.h>
 #include <asm/constants.h>
 #include <asm/procinfo.h>
@@ -378,11 +379,6 @@ ENTRY(cpu_arm922_set_pgd)
  */
 	.align	5
 ENTRY(cpu_arm922_set_pmd)
-#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH
-	eor	r2, r1, #0x0a			@ C & Section
-	tst	r2, #0x0b
-	biceq	r1, r1, #4			@ clear bufferable bit
-#endif
 	str	r1, [r0]
 	mcr	p15, 0, r0, c7, c10, 1		@ clean D entry
 	mcr	p15, 0, r0, c7, c10, 4		@ drain WB
@@ -442,7 +438,7 @@ ENTRY(cpu_arm922_name)
 	.ascii	"\0"
 	.align
 
-	.section ".text.init", #alloc, #execinstr
+	__INIT
 
 __arm922_setup:
 	mov	r0, #0

arch/arm/mm/proc-arm926.S

@@ -26,6 +26,7 @@
  */
 #include <linux/linkage.h>
 #include <linux/config.h>
+#include <linux/init.h>
 #include <asm/assembler.h>
 #include <asm/constants.h>
 #include <asm/procinfo.h>
@@ -359,11 +360,6 @@ ENTRY(cpu_arm926_set_pgd)
  */
 	.align	5
 ENTRY(cpu_arm926_set_pmd)
-#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH
-	eor	r2, r1, #0x0a			@ C & Section
-	tst	r2, #0x0b
-	biceq	r1, r1, #4			@ clear bufferable bit
-#endif
 	str	r1, [r0]
 #ifndef CONFIG_CPU_DCACHE_WRITETHROUGH
 	mcr	p15, 0, r0, c7, c10, 1		@ clean D entry
@@ -430,7 +426,7 @@ ENTRY(cpu_arm926_name)
 	.ascii	"\0"
 	.align
 
-	.section ".text.init", #alloc, #execinstr
+	__INIT
 
 __arm926_setup:
 	mov	r0, #0

arch/arm/mm/proc-sa110.S

@@ -18,6 +18,7 @@
  *    Flush the read buffer at context switches
  */
 #include <linux/linkage.h>
+#include <linux/init.h>
 #include <asm/assembler.h>
 #include <asm/constants.h>
 #include <asm/procinfo.h>
@@ -484,7 +485,7 @@ cpu_sa1110_name:
 	.asciz	"StrongARM-1110"
 	.align
 
-	.section ".text.init", #alloc, #execinstr
+	__INIT
 
 __sa1100_setup:	@ Allow read-buffer operations from userland
 	mcr	p15, 0, r0, c9, c0, 5

arch/arm/mm/proc-xscale.S

@@ -21,6 +21,7 @@
  */
 
 #include <linux/linkage.h>
+#include <linux/init.h>
 #include <asm/assembler.h>
 #include <asm/constants.h>
 #include <asm/procinfo.h>
@@ -582,11 +583,6 @@ ENTRY(cpu_xscale_set_pgd)
  */
 	.align	5
 ENTRY(cpu_xscale_set_pmd)
-#if PMD_CACHE_WRITE_ALLOCATE
-	and	r2, r1, #PMD_TYPE_MASK|PMD_SECT_CACHEABLE|PMD_SECT_BUFFERABLE
-	cmp	r2, #PMD_TYPE_SECT|PMD_SECT_CACHEABLE|PMD_SECT_BUFFERABLE
-	orreq	r1, r1, #PMD_SECT_TEX(1)
-#endif
 	str	r1, [r0]
 	mov	ip, #0
 	mcr	p15, 0, r0, c7, c10, 1		@ Clean D cache line
@@ -668,7 +664,7 @@ cpu_pxa250_name:
 
 	.align
 
-	.section ".text.init", #alloc, #execinstr
+	__INIT
 
 __xscale_setup:
 	mov	r0, #PSR_F_BIT|PSR_I_BIT|SVC_MODE

arch/arm/mm/tlb-v3.S

@@ -12,6 +12,7 @@
  * Processors: ARM610, ARM710.
  */
 #include <linux/linkage.h>
+#include <linux/init.h>
 #include <asm/constants.h>
 #include <asm/tlbflush.h>
 #include "proc-macros.S"
@@ -41,7 +42,7 @@ ENTRY(v3_flush_kern_tlb_range)
 	blo	1b
 	mov	pc, lr
 
-	.section ".text.init", #alloc, #execinstr
+	__INIT
 
 	.type	v3_tlb_fns, #object
 ENTRY(v3_tlb_fns)

arch/arm/mm/tlb-v4.S

@@ -13,6 +13,7 @@
  * Processors: ARM720T
  */
 #include <linux/linkage.h>
+#include <linux/init.h>
 #include <asm/constants.h>
 #include <asm/tlbflush.h>
 #include "proc-macros.S"
@@ -55,7 +56,7 @@ ENTRY(v4_flush_user_tlb_range)
 .globl v4_flush_kern_tlb_range
 .equ v4_flush_kern_tlb_range, .v4_flush_kern_tlb_range
 
-	.section ".text.init", #alloc, #execinstr
+	__INIT
 
 	.type	v4_tlb_fns, #object
 ENTRY(v4_tlb_fns)

arch/arm/mm/tlb-v4wb.S

@@ -13,6 +13,7 @@
  *  Processors: ARM920 ARM922 ARM926 SA110 SA1100 SA1110 XScale
  */
 #include <linux/linkage.h>
+#include <linux/init.h>
 #include <asm/constants.h>
 #include <asm/tlbflush.h>
 #include "proc-macros.S"
@@ -110,7 +111,7 @@ ENTRY(v4wbi_flush_kern_tlb_range)
 	blo	1b
 	mov	pc, lr
 
-	.section ".text.init", #alloc, #execinstr
+	__INIT
 
 	.type	v4wb_tlb_fns, #object
 ENTRY(v4wb_tlb_fns)

arch/arm/vmlinux-armo.lds.in

@@ -11,7 +11,7 @@ SECTIONS
 	.init : {			/* Init code and data		*/
 		_stext = .;
 		__init_begin = .;
-			*(.text.init)
+			*(.init.text)
 		__proc_info_begin = .;
 			*(.proc.info)
 		__proc_info_end = .;
@@ -21,10 +21,10 @@ SECTIONS
 		__tagtable_begin = .;
 			*(.taglist)
 		__tagtable_end = .;
-			*(.data.init)
+			*(.init.data)
 		. = ALIGN(16);
 		__setup_start = .;
-			*(.setup.init)
+			*(.init.setup)
 		__setup_end = .;
 		__initcall_start = .;
 			*(.initcall1.init)
@@ -44,8 +44,8 @@ SECTIONS
 	}
 
 	/DISCARD/ : {			/* Exit code and data		*/
-		*(.text.exit)
-		*(.data.exit)
+		*(.exit.text)
+		*(.exit.data)
 		*(.exitcall.exit)
 	}
 

arch/arm/vmlinux-armv.lds.in

@@ -11,7 +11,7 @@ SECTIONS
 	.init : {			/* Init code and data		*/
 		_stext = .;
 		__init_begin = .;
-			*(.text.init)
+			*(.init.text)
 		__proc_info_begin = .;
 			*(.proc.info)
 		__proc_info_end = .;
@@ -21,10 +21,10 @@ SECTIONS
 		__tagtable_begin = .;
 			*(.taglist)
 		__tagtable_end = .;
-			*(.data.init)
+			*(.init.data)
 		. = ALIGN(16);
 		__setup_start = .;
-			*(.setup.init)
+			*(.init.setup)
 		__setup_end = .;
 		__initcall_start = .;
 			*(.initcall1.init)
@@ -40,8 +40,8 @@ SECTIONS
 	}
 
 	/DISCARD/ : {			/* Exit code and data		*/
-		*(.text.exit)
-		*(.data.exit)
+		*(.exit.text)
+		*(.exit.data)
 		*(.exitcall.exit)
 	}
 
@@ -74,6 +74,12 @@ SECTIONS
 		__stop___ksymtab = .;
 	}
 
+	__kallsyms : {			/* All kernel symbols		*/
+		__start___kallsyms = .;
+			*(__kallsyms)
+		__stop___kallsyms = .;
+	}
+
 	. = ALIGN(8192);
 
 	.data : {

include/asm-arm/arch-ebsa285/hardware.h

@@ -133,7 +133,7 @@ extern void cpld_modify(int mask, int set);
 
 #define pcibios_assign_all_busses()	1
 
-#define PCIBIOS_MIN_IO		0x6000
-#define PCIBIOS_MIN_MEM 	0x40000000
+#define PCIBIOS_MIN_IO		0x1000
+#define PCIBIOS_MIN_MEM 	0x81000000
 
 #endif

include/asm-arm/io.h

@@ -22,7 +22,6 @@
 
 #ifdef __KERNEL__
 
-#include <linux/config.h>
 #include <linux/types.h>
 #include <asm/byteorder.h>
 #include <asm/memory.h>
@@ -94,6 +93,8 @@ extern void __readwrite_bug(const char *fn);
  * Note that we prevent GCC re-ordering or caching values in expressions
  * by introducing sequence points into the in*() definitions.  Note that
  * __raw_* do not guarantee this behaviour.
+ *
+ * The {in,out}[bwl] macros are for emulating x86-style PCI/ISA IO space.
  */
 #ifdef __io
 #define outb(v,p)		__raw_writeb(v,__io(p))

include/asm-arm/pci.h

@@ -241,7 +241,7 @@ static inline int pci_dma_supported(struct pci_dev *hwdev, u64 mask)
 
 /* kmem_cache style wrapper around pci_alloc_consistent() */
 struct pci_pool *pci_pool_create (const char *name, struct pci_dev *dev,
-		size_t size, size_t align, size_t allocation, int flags);
+		size_t size, size_t align, size_t allocation);
 void pci_pool_destroy (struct pci_pool *pool);
 
 void *pci_pool_alloc (struct pci_pool *pool, int flags, dma_addr_t *handle);

include/asm-arm/proc-armv/pgtable.h

@@ -38,7 +38,7 @@
 #define PMD_TYPE_FAULT		(0 << 0)
 #define PMD_TYPE_TABLE		(1 << 0)
 #define PMD_TYPE_SECT		(2 << 0)
-#define PMD_UPDATABLE		(1 << 4)
+#define PMD_BIT4		(1 << 4)
 #define PMD_DOMAIN(x)		((x) << 5)
 #define PMD_PROTECTION		(1 << 9)	/* v5 */
 /*
@@ -49,6 +49,13 @@
 #define PMD_SECT_AP_WRITE	(1 << 10)
 #define PMD_SECT_AP_READ	(1 << 11)
 #define PMD_SECT_TEX(x)		((x) << 12)	/* v5 */
+
+#define PMD_SECT_UNCACHED	(0)
+#define PMD_SECT_WT		(PMD_SECT_CACHEABLE)
+#define PMD_SECT_WB		(PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE)
+#define PMD_SECT_MINICACHE	(PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE)
+#define PMD_SECT_WBWA		(PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE)
+
 /*
  *   - coarse table (not used)
  */
@@ -184,6 +191,7 @@ PTE_BIT_FUNC(mkyoung,   |= L_PTE_YOUNG);
  * Mark the prot value as uncacheable and unbufferable.
  */
 #define pgprot_noncached(prot)	__pgprot(pgprot_val(prot) & ~(L_PTE_CACHEABLE | L_PTE_BUFFERABLE))
+#define pgprot_writecombine(prot) __pgprot(pgprot_val(prot) & ~L_PTE_CACHEABLE)
 
 #define pgtable_cache_init() do { } while (0)
 

include/asm-arm/system.h

@@ -44,6 +44,16 @@ void hook_fault_code(int nr, int (*fn)(unsigned long, unsigned int,
 
 extern asmlinkage void __backtrace(void);
 
+#define CPU_ARCH_UNKNOWN	0
+#define CPU_ARCH_ARMv3		1
+#define CPU_ARCH_ARMv4		2
+#define CPU_ARCH_ARMv4T		3
+#define CPU_ARCH_ARMv5		4
+#define CPU_ARCH_ARMv5T		5
+#define CPU_ARCH_ARMv5TE	6
+
+extern int cpu_architecture(void);
+
 /*
  * Include processor dependent parts
  */