Merge tiger.hpl.hp.com:/data1/bk/vanilla/linux-2.5

into tiger.hpl.hp.com:/data1/bk/lia64/to-linus-2.5

arch/ia64/Kconfig

@@ -544,6 +544,8 @@ source "drivers/pnp/Kconfig"
 
 source "drivers/block/Kconfig"
 
+source "drivers/ide/Kconfig"
+
 source "drivers/ieee1394/Kconfig"
 
 source "drivers/message/i2o/Kconfig"
@@ -787,6 +789,10 @@ config IA64_EARLY_PRINTK_VGA
 	bool "Early printk on VGA"
 	depends on IA64_EARLY_PRINTK
 
+config IA64_EARLY_PRINTK_SGI_SN
+	bool "Early printk on SGI SN serial console"
+	depends on IA64_EARLY_PRINTK && (IA64_GENERIC || IA64_SGI_SN2)
+
 config DEBUG_SLAB
 	bool "Debug memory allocations"
 	depends on DEBUG_KERNEL

arch/ia64/Makefile

@@ -27,7 +27,7 @@ GCC_MINOR_VERSION=$(shell $(CC) -v 2>&1 | fgrep 'gcc version' | cut -f3 -d' ' |
 
 GAS_STATUS=$(shell arch/ia64/scripts/check-gas $(CC) $(OBJDUMP))
 
-arch-cppflags	:= $(shell arch/ia64/scripts/toolchain-flags $(CC) $(LD) $(OBJDUMP))
+arch-cppflags	:= $(shell arch/ia64/scripts/toolchain-flags $(CC) $(OBJDUMP))
 cflags-y	+= $(arch-cppflags)
 AFLAGS		+= $(arch-cppflags)
 
@@ -66,7 +66,8 @@ core-$(CONFIG_IA64_SGI_SN2)	+= arch/ia64/sn/
 drivers-$(CONFIG_PCI)		+= arch/ia64/pci/
 drivers-$(CONFIG_IA64_HP_SIM)	+= arch/ia64/hp/sim/
 drivers-$(CONFIG_IA64_HP_ZX1)	+= arch/ia64/hp/common/ arch/ia64/hp/zx1/
-drivers-$(CONFIG_IA64_GENERIC)	+= arch/ia64/hp/common/ arch/ia64/hp/zx1/ arch/ia64/hp/sim/
+drivers-$(CONFIG_IA64_GENERIC)	+= arch/ia64/hp/common/ arch/ia64/hp/zx1/ arch/ia64/hp/sim/ \
+				   arch/ia64/sn/
 
 boot := arch/ia64/boot
 

arch/ia64/kernel/acpi.c

@@ -575,59 +575,6 @@ acpi_find_rsdp (void)
 }
 
 
-#ifdef CONFIG_SERIAL_8250_ACPI
-
-#include <linux/acpi_serial.h>
-
-static int __init
-acpi_parse_spcr (unsigned long phys_addr, unsigned long size)
-{
-	acpi_ser_t *spcr;
-	unsigned int gsi;
-
-	if (!phys_addr || !size)
-		return -EINVAL;
-
-	if (!iosapic_register_intr)
-		return -ENODEV;
-
-	/*
-	 * ACPI is able to describe serial ports that live at non-standard
-	 * memory addresses and use non-standard interrupts, either via
-	 * direct SAPIC mappings or via PCI interrupts.  We handle interrupt
-	 * routing for SAPIC-based (non-PCI) devices here.  Interrupt routing
-	 * for PCI devices will be handled when processing the PCI Interrupt
-	 * Routing Table (PRT).
-	 */
-
-	spcr = (acpi_ser_t *) __va(phys_addr);
-
-	setup_serial_acpi(spcr);
-
-	if (spcr->length < sizeof(acpi_ser_t))
-		/* Table not long enough for full info, thus no interrupt */
-		return -ENODEV;
-
-	if ((spcr->base_addr.space_id != ACPI_SERIAL_PCICONF_SPACE) &&
-	    (spcr->int_type == ACPI_SERIAL_INT_SAPIC))
-	{
-		int vector;
-
-		/* We have a UART in memory space with an SAPIC interrupt */
-
-		gsi = (  (spcr->global_int[3] << 24) |
-			 (spcr->global_int[2] << 16) |
-			 (spcr->global_int[1] << 8)  |
-			 (spcr->global_int[0])  );
-
-		vector = iosapic_register_intr(gsi, IOSAPIC_POL_HIGH, IOSAPIC_EDGE);
-	}
-	return 0;
-}
-
-#endif /* CONFIG_SERIAL_8250_ACPI */
-
-
 int __init
 acpi_boot_init (void)
 {
@@ -682,16 +629,6 @@ acpi_boot_init (void)
 	if (acpi_table_parse(ACPI_FADT, acpi_parse_fadt) < 1)
 		printk(KERN_ERR PREFIX "Can't find FADT\n");
 
-#ifdef CONFIG_SERIAL_8250_ACPI
-	/*
-	 * TBD: Need phased approach to table parsing (only do those absolutely
-	 *      required during boot-up).  Recommend expanding concept of fix-
-	 *      feature devices (LDM) to include table-based devices such as
-	 *      serial ports, EC, SMBus, etc.
-	 */
-	acpi_table_parse(ACPI_SPCR, acpi_parse_spcr);
-#endif
-
 #ifdef CONFIG_SMP
 	smp_boot_data.cpu_count = available_cpus;
 	if (available_cpus == 0) {

arch/ia64/kernel/efi.c

@@ -46,7 +46,7 @@ static efi_runtime_services_t *runtime;
  * prior to creating their own entries under /proc/efi.
  */
 #ifdef CONFIG_PROC_FS
-struct proc_dir_entry *efi_dir = NULL;
+struct proc_dir_entry *efi_dir;
 #endif
 
 static unsigned long mem_limit = ~0UL;

arch/ia64/kernel/efivars.c

@@ -119,7 +119,7 @@ typedef struct _efivar_entry_t {
 */
 static spinlock_t efivars_lock = SPIN_LOCK_UNLOCKED;
 static LIST_HEAD(efivar_list);
-static struct proc_dir_entry *efi_vars_dir = NULL;
+static struct proc_dir_entry *efi_vars_dir;
 
 #define efivar_entry(n) list_entry(n, efivar_entry_t, list)
 

arch/ia64/kernel/gate.S

@@ -199,7 +199,7 @@ GLOBAL_ENTRY(__kernel_sigtramp)
 	cmp.ne p8,p0=r15,r0		// do we need to switch the rbs?
 	mov.m r9=ar.bsp			// fetch ar.bsp
 	.spillsp.p p8, ar.rnat, RNAT_OFF+SIGCONTEXT_OFF
-(p8)	br.cond.spnt setup_rbs		// yup -> (clobbers r14, r15, and r16)
+(p8)	br.cond.spnt setup_rbs		// yup -> (clobbers p8, r14-r16, and r18-r20)
 back_from_setup_rbs:
 	alloc r8=ar.pfs,0,0,3,0
 	ld8 out0=[base0],16		// load arg0 (signum)
@@ -268,26 +268,30 @@ back_from_restore_rbs:
 setup_rbs:
 	mov ar.rsc=0				// put RSE into enforced lazy mode
 	;;
-	.save ar.rnat, r16
-	mov r16=ar.rnat				// save RNaT before switching backing store area
+	.save ar.rnat, r19
+	mov r19=ar.rnat				// save RNaT before switching backing store area
 	adds r14=(RNAT_OFF+SIGCONTEXT_OFF),sp
 
+	mov r18=ar.bspstore
 	mov ar.bspstore=r15			// switch over to new register backing store area
 	;;
+
 	.spillsp ar.rnat, RNAT_OFF+SIGCONTEXT_OFF
-	st8 [r14]=r16				// save sc_ar_rnat
+	st8 [r14]=r19				// save sc_ar_rnat
 	.body
-	adds r14=(LOADRS_OFF+SIGCONTEXT_OFF),sp
-
 	mov.m r16=ar.bsp			// sc_loadrs <- (new bsp - new bspstore) << 16
+	adds r14=(LOADRS_OFF+SIGCONTEXT_OFF),sp
 	;;
 	invala
 	sub r15=r16,r15
+	extr.u r20=r18,3,6
 	;;
+	mov ar.rsc=0xf				// set RSE into eager mode, pl 3
+	cmp.eq p8,p0=63,r20
 	shl r15=r15,16
 	;;
 	st8 [r14]=r15				// save sc_loadrs
-	mov ar.rsc=0xf				// set RSE into eager mode, pl 3
+(p8)	st8 [r18]=r19		// if bspstore points at RNaT slot, store RNaT there now
 	.restore sp				// pop .prologue
 	br.cond.sptk back_from_setup_rbs
 

arch/ia64/kernel/head.S

@@ -144,13 +144,13 @@ start_ap:
 	movl r3=task_for_booting_cpu
  	;;
 	ld8 r3=[r3]
-	movl r2=init_thread_union
+	movl r2=init_task
 	;;
 	cmp.eq isBP,isAP=r3,r0
 	;;
 (isAP)	mov r2=r3
 #else
-	movl r2=init_thread_union
+	movl r2=init_task
 	cmp.eq isBP,isAP=r0,r0
 #endif
 	;;

arch/ia64/kernel/init_task.c

@@ -26,17 +26,17 @@ struct mm_struct init_mm = INIT_MM(init_mm);
  * We need to make sure that this is properly aligned due to the way process stacks are
  * handled. This is done by having a special ".data.init_task" section...
  */
-#define init_thread_info	init_thread_union.s.thread_info
+#define init_thread_info	init_task_mem.s.thread_info
 
-union init_thread {
+static union {
 	struct {
 		struct task_struct task;
 		struct thread_info thread_info;
 	} s;
 	unsigned long stack[KERNEL_STACK_SIZE/sizeof (unsigned long)];
-} init_thread_union __attribute__((section(".data.init_task"))) = {{
-	.task =		INIT_TASK(init_thread_union.s.task),
-	.thread_info =	INIT_THREAD_INFO(init_thread_union.s.task)
+} init_task_mem __attribute__((section(".data.init_task"))) = {{
+	.task =		INIT_TASK(init_task_mem.s.task),
+	.thread_info =	INIT_THREAD_INFO(init_task_mem.s.task)
 }};
 
-asm (".global init_task; init_task = init_thread_union");
+asm (".global init_task; init_task = init_task_mem");

arch/ia64/kernel/iosapic.c

@@ -382,7 +382,7 @@ iosapic_startup_edge_irq (unsigned int irq)
 static void
 iosapic_ack_edge_irq (unsigned int irq)
 {
-	irq_desc_t *idesc = irq_desc(irq);
+	irq_desc_t *idesc = irq_descp(irq);
 	/*
 	 * Once we have recorded IRQ_PENDING already, we can mask the
 	 * interrupt for real. This prevents IRQ storms from unhandled
@@ -478,7 +478,7 @@ register_intr (unsigned int gsi, int vector, unsigned char delivery,
 	else
 		irq_type = &irq_type_iosapic_level;
 
-	idesc = irq_desc(vector);
+	idesc = irq_descp(vector);
 	if (idesc->handler != irq_type) {
 		if (idesc->handler != &no_irq_type)
 			printk(KERN_WARNING "%s: changing vector %d from %s to %s\n",
@@ -724,7 +724,7 @@ iosapic_parse_prt (void)
 		 * If vector was previously initialized to a different
 		 * handler, re-initialize.
 		 */
-		idesc = irq_desc(vector);
+		idesc = irq_descp(vector);
 		if (idesc->handler != irq_type)
 			register_intr(gsi, vector, IOSAPIC_LOWEST_PRIORITY, IOSAPIC_POL_LOW,
 				      IOSAPIC_LEVEL);

arch/ia64/kernel/irq.c

@@ -74,7 +74,7 @@ irq_desc_t _irq_desc[NR_IRQS] __cacheline_aligned = {
 };
 
 #ifdef CONFIG_IA64_GENERIC
-struct irq_desc * __ia64_irq_desc (unsigned int irq)
+irq_desc_t * __ia64_irq_desc (unsigned int irq)
 {
 	return _irq_desc + irq;
 }
@@ -171,7 +171,7 @@ int show_interrupts(struct seq_file *p, void *v)
 	seq_putc(p, '\n');
 
 	for (i = 0 ; i < NR_IRQS ; i++) {
-		idesc = irq_desc(i);
+		idesc = irq_descp(i);
 		spin_lock_irqsave(&idesc->lock, flags);
 		action = idesc->action;
 		if (!action)
@@ -218,7 +218,7 @@ int show_interrupts(struct seq_file *p, void *v)
 #ifdef CONFIG_SMP
 inline void synchronize_irq(unsigned int irq)
 {
-	while (irq_desc(irq)->status & IRQ_INPROGRESS)
+	while (irq_descp(irq)->status & IRQ_INPROGRESS)
 		cpu_relax();
 }
 #endif
@@ -352,7 +352,7 @@ static void note_interrupt(int irq, irq_desc_t *desc, irqreturn_t action_ret)
 
 inline void disable_irq_nosync(unsigned int irq)
 {
-	irq_desc_t *desc = irq_desc(irq);
+	irq_desc_t *desc = irq_descp(irq);
 	unsigned long flags;
 
 	spin_lock_irqsave(&desc->lock, flags);
@@ -395,7 +395,7 @@ void disable_irq(unsigned int irq)
 
 void enable_irq(unsigned int irq)
 {
-	irq_desc_t *desc = irq_desc(irq);
+	irq_desc_t *desc = irq_descp(irq);
 	unsigned long flags;
 
 	spin_lock_irqsave(&desc->lock, flags);
@@ -437,7 +437,7 @@ unsigned int do_IRQ(unsigned long irq, struct pt_regs *regs)
 	 * 0 return value means that this irq is already being
 	 * handled by some other CPU. (or is disabled)
 	 */
-	irq_desc_t *desc = irq_desc(irq);
+	irq_desc_t *desc = irq_descp(irq);
 	struct irqaction * action;
 	irqreturn_t action_ret;
 	unsigned int status;
@@ -620,7 +620,7 @@ void free_irq(unsigned int irq, void *dev_id)
 	if (irq >= NR_IRQS)
 		return;
 
-	desc = irq_desc(irq);
+	desc = irq_descp(irq);
 	spin_lock_irqsave(&desc->lock,flags);
 	p = &desc->action;
 	for (;;) {
@@ -682,7 +682,7 @@ unsigned long probe_irq_on(void)
 	 * flush such a longstanding irq before considering it as spurious.
 	 */
 	for (i = NR_IRQS-1; i > 0; i--)  {
-		desc = irq_desc(i);
+		desc = irq_descp(i);
 
 		spin_lock_irq(&desc->lock);
 		if (!desc->action)
@@ -700,7 +700,7 @@ unsigned long probe_irq_on(void)
 	 * happened in the previous stage, it may have masked itself)
 	 */
 	for (i = NR_IRQS-1; i > 0; i--) {
-		desc = irq_desc(i);
+		desc = irq_descp(i);
 
 		spin_lock_irq(&desc->lock);
 		if (!desc->action) {
@@ -722,7 +722,7 @@ unsigned long probe_irq_on(void)
 	 */
 	val = 0;
 	for (i = 0; i < NR_IRQS; i++) {
-		irq_desc_t *desc = irq_desc(i);
+		irq_desc_t *desc = irq_descp(i);
 		unsigned int status;
 
 		spin_lock_irq(&desc->lock);
@@ -762,7 +762,7 @@ unsigned int probe_irq_mask(unsigned long val)
 
 	mask = 0;
 	for (i = 0; i < 16; i++) {
-		irq_desc_t *desc = irq_desc(i);
+		irq_desc_t *desc = irq_descp(i);
 		unsigned int status;
 
 		spin_lock_irq(&desc->lock);
@@ -807,7 +807,7 @@ int probe_irq_off(unsigned long val)
 	nr_irqs = 0;
 	irq_found = 0;
 	for (i = 0; i < NR_IRQS; i++) {
-		irq_desc_t *desc = irq_desc(i);
+		irq_desc_t *desc = irq_descp(i);
 		unsigned int status;
 
 		spin_lock_irq(&desc->lock);
@@ -836,7 +836,7 @@ int setup_irq(unsigned int irq, struct irqaction * new)
 	int shared = 0;
 	unsigned long flags;
 	struct irqaction *old, **p;
-	irq_desc_t *desc = irq_desc(irq);
+	irq_desc_t *desc = irq_descp(irq);
 
 	if (desc->handler == &no_irq_type)
 		return -ENOSYS;
@@ -963,15 +963,16 @@ static int irq_affinity_read_proc (char *page, char **start, off_t off,
 }
 
 static int irq_affinity_write_proc (struct file *file, const char *buffer,
-					unsigned long count, void *data)
+				    unsigned long count, void *data)
 {
 	unsigned int irq = (unsigned long) data;
 	int full_count = count, err;
 	unsigned long new_value;
 	const char *buf = buffer;
+	irq_desc_t *desc = irq_descp(irq);
 	int redir;
 
-	if (!irq_desc(irq)->handler->set_affinity)
+	if (!desc->handler->set_affinity)
 		return -EIO;
 
 	if (buf[0] == 'r' || buf[0] == 'R') {
@@ -993,8 +994,7 @@ static int irq_affinity_write_proc (struct file *file, const char *buffer,
 	if (!(new_value & cpu_online_map))
 		return -EINVAL;
 
-	irq_desc(irq)->handler->set_affinity(irq | (redir? IA64_IRQ_REDIRECTED : 0), new_value);
-
+	desc->handler->set_affinity(irq | (redir? IA64_IRQ_REDIRECTED : 0), new_value);
 	return full_count;
 }
 
@@ -1030,7 +1030,7 @@ static void register_irq_proc (unsigned int irq)
 {
 	char name [MAX_NAMELEN];
 
-	if (!root_irq_dir || (irq_desc(irq)->handler == &no_irq_type) || irq_dir[irq])
+	if (!root_irq_dir || (irq_descp(irq)->handler == &no_irq_type) || irq_dir[irq])
 		return;
 
 	memset(name, 0, MAX_NAMELEN);
@@ -1083,7 +1083,7 @@ void init_irq_proc (void)
 	 * Create entries for all existing IRQs.
 	 */
 	for (i = 0; i < NR_IRQS; i++) {
-		if (irq_desc(i)->handler == &no_irq_type)
+		if (irq_descp(i)->handler == &no_irq_type)
 			continue;
 		register_irq_proc(i);
 	}

arch/ia64/kernel/irq_ia64.c

@@ -162,7 +162,7 @@ register_percpu_irq (ia64_vector vec, struct irqaction *action)
 
 	for (irq = 0; irq < NR_IRQS; ++irq)
 		if (irq_to_vector(irq) == vec) {
-			desc = irq_desc(irq);
+			desc = irq_descp(irq);
 			desc->status |= IRQ_PER_CPU;
 			desc->handler = &irq_type_ia64_lsapic;
 			if (action)

arch/ia64/kernel/mca.c

@@ -734,7 +734,7 @@ ia64_mca_init(void)
 		if (cpev >= 0) {
 			for (irq = 0; irq < NR_IRQS; ++irq)
 				if (irq_to_vector(irq) == cpev) {
-					desc = irq_desc(irq);
+					desc = irq_descp(irq);
 					desc->status |= IRQ_PER_CPU;
 					desc->handler = &irq_type_iosapic_level;
 					setup_irq(irq, &mca_cpe_irqaction);

arch/ia64/kernel/smpboot.c

@@ -452,7 +452,7 @@ smp_build_cpu_map (void)
 		sapicid = smp_boot_data.cpu_phys_id[i];
 		if (sapicid == boot_cpu_id)
 			continue;
-		phys_cpu_present_map |= (1 << cpu);
+		phys_cpu_present_map |= (1UL << cpu);
 		ia64_cpu_to_sapicid[cpu] = sapicid;
 		cpu++;
 	}

arch/ia64/lib/Makefile

@@ -12,12 +12,7 @@ lib-y := __divsi3.o __udivsi3.o __modsi3.o __umodsi3.o			\
 lib-$(CONFIG_ITANIUM)	+= copy_page.o copy_user.o memcpy.o
 lib-$(CONFIG_MCKINLEY)	+= copy_page_mck.o memcpy_mck.o
 lib-$(CONFIG_PERFMON)	+= carta_random.o
-
-ifeq ($(CONFIG_MD_RAID5),m)
-	lib-y += xor.o
-else
-	lib-$(CONFIG_MD_RAID5)	+= xor.o
-endif
+lib-$(CONFIG_MD_RAID5)	+= xor.o
 
 IGNORE_FLAGS_OBJS =	__divsi3.o __udivsi3.o __modsi3.o __umodsi3.o \
 			__divdi3.o __udivdi3.o __moddi3.o __umoddi3.o

arch/ia64/pci/pci.c

@@ -364,8 +364,6 @@ pcibios_fixup_bus (struct pci_bus *b)
 	return;
 }
 
-#warning pcibios_update_resource() is now a generic implementation - please check
-
 void __devinit
 pcibios_update_irq (struct pci_dev *dev, int irq)
 {

arch/ia64/scripts/toolchain-flags

@@ -3,15 +3,13 @@
 # Check whether linker can handle cross-segment @segrel():
 #
 CC=$1
-LD=$2
-OBJDUMP=$3
+OBJDUMP=$2
 dir=$(dirname $0)
 tmp=${TMPDIR:-/tmp}
 out=$tmp/out$$
-$CC -c $dir/check-segrel.S -o $out.o
-$LD -static -T$dir/check-segrel.lds $out.o -o $out
+$CC -nostdlib -static -Wl,-T$dir/check-segrel.lds $dir/check-segrel.S -o $out
 res=$($OBJDUMP --full --section .rodata $out | fgrep 000 | cut -f3 -d' ')
-rm -f $out $out.o
+rm -f $out
 if [ $res != 00000a00 ]; then
     echo " -DHAVE_BUGGY_SEGREL"
     cat >&2 <<EOF

arch/ia64/sn/io/drivers/Makefile

@@ -9,4 +9,4 @@
 
 EXTRA_CFLAGS    := -DLITTLE_ENDIAN
 
-obj-y				+= ioconfig_bus.o ifconfig_net.o
+obj-y				+= ioconfig_bus.o

arch/ia64/sn/io/drivers/ifconfig_net.c

-/* $Id: ifconfig_net.c,v 1.1 2002/02/28 17:31:25 marcelo Exp $
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- *  ifconfig_net - SGI's Persistent Network Device names.
- *
- * Copyright (C) 1992-1997, 2000-2003 Silicon Graphics, Inc.  All rights reserved.
- */
-
-#include <linux/types.h>
-#include <linux/config.h>
-#include <linux/slab.h>
-#include <linux/ctype.h>
-#include <linux/module.h>
-#include <linux/init.h>
-
-#include <linux/pci.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/skbuff.h>
-
-#include <asm/sn/sgi.h>
-#include <linux/devfs_fs.h>
-#include <linux/devfs_fs_kernel.h>
-#include <asm/io.h>
-#include <asm/sn/iograph.h>
-#include <asm/sn/invent.h>
-#include <asm/sn/hcl.h>
-#include <asm/sn/labelcl.h>
-#include <asm/sn/ifconfig_net.h>
-
-#define SGI_IFCONFIG_NET "SGI-PERSISTENT NETWORK DEVICE NAME DRIVER"
-#define SGI_IFCONFIG_NET_VERSION "1.0"
-
-/*
- * Some Global definitions.
- */
-static devfs_handle_t ifconfig_net_handle;
-static unsigned long ifconfig_net_debug;
-
-/*
- * ifconfig_net_open - Opens the special device node "/devhw/.ifconfig_net".
- */
-static int ifconfig_net_open(struct inode * inode, struct file * filp)
-{
-	if (ifconfig_net_debug) {
-        	printk("ifconfig_net_open called.\n");
-	}
-
-        return(0);
-
-}
-
-/*
- * ifconfig_net_close - Closes the special device node "/devhw/.ifconfig_net".
- */
-static int ifconfig_net_close(struct inode * inode, struct file * filp)
-{
-
-	if (ifconfig_net_debug) {
-        	printk("ifconfig_net_close called.\n");
-	}
-
-        return(0);
-}
-
-/*
- * assign_ifname - Assign the next available interface name from the persistent list.
- */
-void
-assign_ifname(struct net_device *dev,
-		  struct ifname_num *ifname_num)
-
-{
-
-	/*
-	 * Handle eth devices.
-	 */
-        if ( (memcmp(dev->name, "eth", 3) == 0) ) {
-		if (ifname_num->next_eth != -1) {
-			/*
-			 * Assign it the next available eth interface number. 
-			 */
-			memset(dev->name, 0, strlen(dev->name));
-			sprintf(dev->name, "eth%d", (int)ifname_num->next_eth);
-			ifname_num->next_eth++;
-		} 
-
-                return;
-        }
-
-	/*
-	 * Handle fddi devices.
-	 */
-	if ( (memcmp(dev->name, "fddi", 4) == 0) ) {
-		if (ifname_num->next_fddi != -1) {
-			/*
-			 * Assign it the next available fddi interface number.
-			 */
-			memset(dev->name, 0, strlen(dev->name));
-			sprintf(dev->name, "fddi%d", (int)ifname_num->next_fddi);
-			ifname_num->next_fddi++;
-		}
-
-		return;
-	}
-
-	/*
-	 * Handle hip devices.
-	 */
-	if ( (memcmp(dev->name, "hip", 3) == 0) ) {
-		if (ifname_num->next_hip != -1) {
-			/*
-			 * Assign it the next available hip interface number.
-			 */
-			memset(dev->name, 0, strlen(dev->name));
-			sprintf(dev->name, "hip%d", (int)ifname_num->next_hip);
-			ifname_num->next_hip++;
-		}
-
-		return;
-	}
-
-	/*
-	 * Handle tr devices.
-	 */
-	if ( (memcmp(dev->name, "tr", 2) == 0) ) {
-		if (ifname_num->next_tr != -1) {
-			/*
-			 * Assign it the next available tr interface number.
-			 */
-			memset(dev->name, 0, strlen(dev->name));
-			sprintf(dev->name, "tr%d", (int)ifname_num->next_tr);
-			ifname_num->next_tr++;
-		}
-
-		return;
-	}
-
-	/*
-	 * Handle fc devices.
-	 */
-	if ( (memcmp(dev->name, "fc", 2) == 0) ) {
-		if (ifname_num->next_fc != -1) {
-			/*
-			 * Assign it the next available fc interface number.
-			 */
-			memset(dev->name, 0, strlen(dev->name));
-			sprintf(dev->name, "fc%d", (int)ifname_num->next_fc);
-			ifname_num->next_fc++;
-		}
-
-		return;
-	}
-}
-
-/*
- * find_persistent_ifname: Returns the entry that was seen in previous boot.
- */
-struct ifname_MAC *
-find_persistent_ifname(struct net_device *dev,
-	struct ifname_MAC *ifname_MAC)
-
-{
-
-	while (ifname_MAC->addr_len) {
-		if (memcmp(dev->dev_addr, ifname_MAC->dev_addr, dev->addr_len) == 0)
-			return(ifname_MAC);
-
-		ifname_MAC++;
-	}
-
-	return(NULL);
-}
-
-/*
- * ifconfig_net_ioctl: ifconfig_net driver ioctl interface.
- */
-static int ifconfig_net_ioctl(struct inode * inode, struct file * file,
-        unsigned int cmd, unsigned long arg)
-{
-
-	extern struct net_device *__dev_get_by_name(const char *);
-#ifdef CONFIG_NET
-	struct net_device *dev;
-	struct ifname_MAC *found;
-	char temp[64];
-#endif
-	struct ifname_MAC *ifname_MAC;
-	struct ifname_MAC *new_devices, *temp_new_devices;
-	struct ifname_num *ifname_num;
-	unsigned long size;
-
-
-	if (ifconfig_net_debug) {
-		printk("HCL: hcl_ioctl called.\n");
-	}
-
-	/*
-	 * Read in the header and see how big of a buffer we really need to 
-	 * allocate.
-	 */
-	ifname_num = (struct ifname_num *) kmalloc(sizeof(struct ifname_num), 
-			GFP_KERNEL);
-	copy_from_user( ifname_num, (char *) arg, sizeof(struct ifname_num));
-	size = ifname_num->size;
-	kfree(ifname_num);
-	ifname_num = (struct ifname_num *) kmalloc(size, GFP_KERNEL);
-	ifname_MAC = (struct ifname_MAC *) ((char *)ifname_num + (sizeof(struct ifname_num)) );
-
-	copy_from_user( ifname_num, (char *) arg, size);
-	new_devices =  kmalloc(size - sizeof(struct ifname_num), GFP_KERNEL);
-	temp_new_devices = new_devices;
-
-	memset(new_devices, 0, size - sizeof(struct ifname_num));
-
-#ifdef CONFIG_NET
-	/*
-	 * Go through the net device entries and make them persistent!
-	 */
-	for (dev = dev_base; dev != NULL; dev = dev->next) {
-		/*
-		 * Skip NULL entries or "lo"
-		 */
-		if ( (dev->addr_len == 0) || ( !strncmp(dev->name, "lo", strlen(dev->name))) ){
-			continue;
-		}
-
-		/*
-		 * See if we have a persistent interface name for this device.
-		 */
-		found = NULL;
-		found = find_persistent_ifname(dev, ifname_MAC);
-		if (found) {
-			strcpy(dev->name, found->name);
-		} else {
-			/* Never seen this before .. */
-			assign_ifname(dev, ifname_num);
-
-			/* 
-			 * Save the information for the next boot.
-			 */
- 			sprintf(temp,"%s %02x:%02x:%02x:%02x:%02x:%02x\n", dev->name,
-				dev->dev_addr[0],  dev->dev_addr[1],  dev->dev_addr[2],
-				dev->dev_addr[3],  dev->dev_addr[4],  dev->dev_addr[5]);
-			strcpy(temp_new_devices->name, dev->name);
-			temp_new_devices->addr_len = dev->addr_len;
-			memcpy(temp_new_devices->dev_addr, dev->dev_addr, dev->addr_len);
-			temp_new_devices++;
-		}
-		
-	}
-#endif
-
-	/*
-	 * Copy back to the User Buffer area any new devices encountered.
-	 */
-	copy_to_user((char *)arg + (sizeof(struct ifname_num)), new_devices, 
-			size - sizeof(struct ifname_num));
-
-	return(0);
-
-}
-
-struct file_operations ifconfig_net_fops = {
-	ioctl:ifconfig_net_ioctl,	/* ioctl */
-	open:ifconfig_net_open,		/* open */
-	release:ifconfig_net_close	/* release */
-};
-
-
-/*
- * init_ifconfig_net() - Boot time initialization.  Ensure that it is called 
- *	after devfs has been initialized.
- *
- */
-#ifdef MODULE
-int init_module (void)
-#else
-int __init init_ifconfig_net(void)
-#endif
-{
-	ifconfig_net_handle = NULL;
-	ifconfig_net_handle = hwgraph_register(hwgraph_root, ".ifconfig_net",
- 		        0, 0,
-			0, 0,
-			S_IFCHR | S_IRUSR | S_IWUSR | S_IRGRP, 0, 0,
-			&ifconfig_net_fops, NULL);
-
-	if (ifconfig_net_handle == NULL) {
-		panic("Unable to create SGI PERSISTENT NETWORK DEVICE Name Driver.\n");
-	}
-
-	return(0);
-
-}

arch/ia64/sn/io/hwgfs/hcl.c

@@ -113,22 +113,10 @@ static int hcl_ioctl(struct inode * inode, struct file * file,
 }
 
 struct file_operations hcl_fops = {
-	(struct module *)0,
-	NULL,		/* lseek - default */
-	NULL,		/* read - general block-dev read */
-	NULL,		/* write - general block-dev write */
-	NULL,		/* readdir - bad */
-	NULL,		/* poll */
-	hcl_ioctl,      /* ioctl */
-	NULL,		/* mmap */
-	hcl_open,	/* open */
-	NULL,		/* flush */
-	hcl_close,	/* release */
-	NULL,		/* fsync */
-	NULL,		/* fasync */
-	NULL,		/* lock */
-	NULL,		/* readv */
-	NULL,		/* writev */
+	.owner = (struct module *)0,
+	.ioctl = hcl_ioctl,
+	.open = hcl_open,
+	.release = hcl_close,
 };
 
 
@@ -140,7 +128,6 @@ int __init init_hcl(void)
 {
 	extern void string_table_init(struct string_table *);
 	extern struct string_table label_string_table;
-	extern int init_ifconfig_net(void);
 	extern int init_ioconfig_bus(void);
 	extern int init_hwgfs_fs(void);
 	int rv = 0;
@@ -195,7 +182,6 @@ int __init init_hcl(void)
 	 * Initialize the ifconfgi_net driver that does network devices 
 	 * Persistent Naming.
 	 */
-	init_ifconfig_net();
 	init_ioconfig_bus();
 
 	return(0);
@@ -258,6 +244,7 @@ hwgraph_fastinfo_get(vertex_hdl_t de)
 
 	if (!de) {
 		printk(KERN_WARNING "HCL: hwgraph_fastinfo_get handle given is NULL.\n");
+		dump_stack();
 		return(-1);
 	}
 
@@ -568,7 +555,7 @@ hwgraph_edge_add(vertex_hdl_t from, vertex_hdl_t to, char *name)
 	 * In this case the vertex was previous created with a REAL pathname.
 	 */
 	rv = hwgfs_mk_symlink (from, (const char *)name,
-			       DEVFS_FL_DEFAULT, link,
+			       0, link,
 			       &handle, NULL);
 	kfree(path);
 	kfree(link);

arch/ia64/sn/io/machvec/pci.c

@@ -49,6 +49,8 @@ int sn_read_config(struct pci_bus *bus, unsigned int devfn, int where, int size,
 	vertex_hdl_t device_vertex;
 
 	device_vertex = devfn_to_vertex(bus->number, devfn);
+	if (!device_vertex)
+		return PCIBIOS_DEVICE_NOT_FOUND;
 	res = pciio_config_get(device_vertex, (unsigned) where, size);
 	*val = (unsigned int) res;
 	return PCIBIOS_SUCCESSFUL;
@@ -59,6 +61,8 @@ int sn_write_config(struct pci_bus *bus, unsigned int devfn, int where, int size
 	vertex_hdl_t device_vertex;
 
 	device_vertex = devfn_to_vertex(bus->number, devfn);
+	if (!device_vertex)
+		return PCIBIOS_DEVICE_NOT_FOUND;
 	pciio_config_set( device_vertex, (unsigned)where, size, (uint64_t) val);
 	return PCIBIOS_SUCCESSFUL;
 }

arch/ia64/sn/io/machvec/pci_dma.c

@@ -280,7 +280,7 @@ sn_pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg, int nents, int dire
 	 */
 	for (i = 0; i < nents; i++, sg++) {
 		phys_addr = __pa(sg->dma_address ? sg->dma_address :
-			page_address(sg->page) + sg->offset);
+			(unsigned long)page_address(sg->page) + sg->offset);
 
 		/*
 		 * Handle the most common case: 64 bit cards.  This
@@ -578,7 +578,7 @@ sn_dma_supported(struct device *dev, u64 mask)
 {
 	BUG_ON(dev->bus != &pci_bus_type);
 
-	return pci_dma_supported(to_pci_dev(dev), mask);
+	return sn_pci_dma_supported(to_pci_dev(dev), mask);
 }
 EXPORT_SYMBOL(sn_dma_supported);
 
@@ -587,7 +587,11 @@ sn_dma_set_mask(struct device *dev, u64 dma_mask)
 {
 	BUG_ON(dev->bus != &pci_bus_type);
 
-	return pci_set_dma_mask(to_pci_dev(dev), dma_mask);
+	if (!sn_dma_supported(dev, dma_mask))
+		return 0;
+
+	dev->dma_mask = dma_mask;
+	return 1;
 }
 EXPORT_SYMBOL(sn_dma_set_mask);
 
@@ -597,7 +601,7 @@ sn_dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
 {
 	BUG_ON(dev->bus != &pci_bus_type);
 
-	return pci_alloc_consistent(to_pci_dev(dev), size, dma_handle);
+	return sn_pci_alloc_consistent(to_pci_dev(dev), size, dma_handle);
 }
 EXPORT_SYMBOL(sn_dma_alloc_coherent);
 
@@ -607,7 +611,7 @@ sn_dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
 {
 	BUG_ON(dev->bus != &pci_bus_type);
 
-	pci_free_consistent(to_pci_dev(dev), size, cpu_addr, dma_handle);
+	sn_pci_free_consistent(to_pci_dev(dev), size, cpu_addr, dma_handle);
 }
 EXPORT_SYMBOL(sn_dma_free_coherent);
 
@@ -617,7 +621,7 @@ sn_dma_map_single(struct device *dev, void *cpu_addr, size_t size,
 {
 	BUG_ON(dev->bus != &pci_bus_type);
 
-	return pci_map_single(to_pci_dev(dev), cpu_addr, size, (int)direction);
+	return sn_pci_map_single(to_pci_dev(dev), cpu_addr, size, (int)direction);
 }
 EXPORT_SYMBOL(sn_dma_map_single);
 
@@ -627,7 +631,7 @@ sn_dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
 {
 	BUG_ON(dev->bus != &pci_bus_type);
 
-	pci_unmap_single(to_pci_dev(dev), dma_addr, size, (int)direction);
+	sn_pci_unmap_single(to_pci_dev(dev), dma_addr, size, (int)direction);
 }
 EXPORT_SYMBOL(sn_dma_unmap_single);
 
@@ -658,7 +662,7 @@ sn_dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
 {
 	BUG_ON(dev->bus != &pci_bus_type);
 
-	return pci_map_sg(to_pci_dev(dev), sg, nents, (int)direction);
+	return sn_pci_map_sg(to_pci_dev(dev), sg, nents, (int)direction);
 }
 EXPORT_SYMBOL(sn_dma_map_sg);
 
@@ -668,7 +672,7 @@ sn_dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
 {
 	BUG_ON(dev->bus != &pci_bus_type);
 
-	pci_unmap_sg(to_pci_dev(dev), sg, nhwentries, (int)direction);
+	sn_pci_unmap_sg(to_pci_dev(dev), sg, nhwentries, (int)direction);
 }
 EXPORT_SYMBOL(sn_dma_unmap_sg);
 
@@ -678,7 +682,7 @@ sn_dma_sync_single(struct device *dev, dma_addr_t dma_handle, size_t size,
 {
 	BUG_ON(dev->bus != &pci_bus_type);
 
-	pci_dma_sync_single(to_pci_dev(dev), dma_handle, size, (int)direction);
+	sn_pci_dma_sync_single(to_pci_dev(dev), dma_handle, size, (int)direction);
 }
 EXPORT_SYMBOL(sn_dma_sync_single);
 
@@ -688,7 +692,7 @@ sn_dma_sync_sg(struct device *dev, struct scatterlist *sg, int nelems,
 {
 	BUG_ON(dev->bus != &pci_bus_type);
 
-	pci_dma_sync_sg(to_pci_dev(dev), sg, nelems, (int)direction);
+	sn_pci_dma_sync_sg(to_pci_dev(dev), sg, nelems, (int)direction);
 }
 EXPORT_SYMBOL(sn_dma_sync_sg);
 

arch/ia64/sn/kernel/Makefile

@@ -9,7 +9,8 @@
 
 EXTRA_CFLAGS := -DLITTLE_ENDIAN
 
-obj-y				:= probe.o setup.o sv.o bte.o irq.o mca.o sn2/
+obj-y				:= probe.o setup.o sv.o bte.o irq.o mca.o \
+				   idle.o sn2/
 
 obj-$(CONFIG_IA64_GENERIC)      += machvec.o
 obj-$(CONFIG_MODULES)           += sn_ksyms.o

arch/ia64/sn/kernel/idle.c

@@ -12,7 +12,7 @@
 
 void snidle(int state) {
 	if (state) {
-		if (pda.idle_flag == 0) {
+		if (pda->idle_flag == 0) {
 			/* 
 			 * Turn the activity LED off.
 			 */
@@ -24,13 +24,13 @@ void snidle(int state) {
 			SIMULATOR_SLEEP();
 #endif
 
-		pda.idle_flag = 1;
+		pda->idle_flag = 1;
 	} else {
 		/* 
 		 * Turn the activity LED on.
 		 */
 		set_led_bits(LED_CPU_ACTIVITY, LED_CPU_ACTIVITY);
 
-		pda.idle_flag = 0;
+		pda->idle_flag = 0;
 	}
 }

arch/ia64/sn/kernel/machvec.c

@@ -31,4 +31,5 @@
  */
 
 #define MACHVEC_PLATFORM_NAME	sn2
+#define MACHVEC_PLATFORM_HEADER	<asm/machvec_sn2.h>
 #include <asm/machvec_init.h>

arch/ia64/sn/kernel/setup.c

@@ -75,11 +75,13 @@ DEFINE_PER_CPU(struct pda_s, pda_percpu);
 
 #define pxm_to_nasid(pxm) ((pxm)<<1)
 
+#define MAX_PHYS_MEMORY		(1UL << 49)     /* 1 TB */
+
 extern void bte_init_node (nodepda_t *, cnodeid_t);
 extern void bte_init_cpu (void);
-extern void sn_timer_init (void);
+extern void sn_timer_init(void);
 extern void (*ia64_mark_idle)(int);
-void snidle(int);
+extern void snidle(int);
 
 unsigned long sn_rtc_cycles_per_second;   
 
@@ -296,21 +298,20 @@ sn_setup(char **cmdline_p)
 	 */
 	sn_check_for_wars();
 
+	ia64_mark_idle = &snidle;
+
 	/* 
 	 * For the bootcpu, we do this here. All other cpus will make the
 	 * call as part of cpu_init in slave cpu initialization.
 	 */
 	sn_cpu_init();
 
-
 #ifdef CONFIG_SMP
 	init_smp_config();
 #endif
 	screen_info = sn_screen_info;
 
 	sn_timer_init();
-
-	ia64_mark_idle = &snidle;
 }
 
 /**
@@ -438,19 +439,3 @@ sn_cpu_init(void)
 
 	bte_init_cpu();
 }
-
-void snidle(int idleness)
-{
-	if (!idleness) {
-		if (pda->idle_flag == 0) {
-			set_led_bits(0, LED_CPU_ACTIVITY);
-		}
-
-		pda->idle_flag = 1;
-	}
-	else {
-		set_led_bits(LED_CPU_ACTIVITY, LED_CPU_ACTIVITY);
-
-		pda->idle_flag = 0;
-	}
-}

include/asm-ia64/agp.h

@@ -4,7 +4,7 @@
 /*
  * IA-64 specific AGP definitions.
  *
- * Copyright (C) 2002 Hewlett-Packard Co
+ * Copyright (C) 2002-2003 Hewlett-Packard Co
  *	David Mosberger-Tang <davidm@hpl.hp.com>
  */
 
@@ -18,7 +18,4 @@
 #define flush_agp_mappings()		/* nothing */
 #define flush_agp_cache()		mb()
 
-/* Page-protection value to be used for AGP memory mapped into kernel space.  */
-#define PAGE_AGP			PAGE_KERNEL
-
 #endif /* _ASM_IA64_AGP_H */

include/asm-ia64/hw_irq.h

@@ -2,7 +2,7 @@
 #define _ASM_IA64_HW_IRQ_H
 
 /*
- * Copyright (C) 2001-2002 Hewlett-Packard Co
+ * Copyright (C) 2001-2003 Hewlett-Packard Co
  *	David Mosberger-Tang <davidm@hpl.hp.com>
  */
 
@@ -91,10 +91,10 @@ hw_resend_irq (struct hw_interrupt_type *h, unsigned int vector)
  * Default implementations for the irq-descriptor API:
  */
 
-extern struct irq_desc _irq_desc[NR_IRQS];
+extern irq_desc_t _irq_desc[NR_IRQS];
 
 #ifndef CONFIG_IA64_GENERIC
-static inline struct irq_desc *
+static inline irq_desc_t *
 __ia64_irq_desc (unsigned int irq)
 {
 	return _irq_desc + irq;
@@ -124,8 +124,8 @@ __ia64_local_vector_to_irq (ia64_vector vec)
  */
 
 /* Return a pointer to the irq descriptor for IRQ.  */
-static inline struct irq_desc *
-irq_desc (int irq)
+static inline irq_desc_t *
+irq_descp (int irq)
 {
 	return platform_irq_desc(irq);
 }

include/asm-ia64/thread_info.h

@@ -37,7 +37,6 @@ struct thread_info {
 	struct restart_block restart_block;
 };
 
-#define INIT_THREAD_SIZE		/* tell sched.h not to declare the thread_union */
 #define THREAD_SIZE			KERNEL_STACK_SIZE
 
 #define INIT_THREAD_INFO(tsk)			\

include/asm-ia64/timex.h

@@ -15,8 +15,15 @@
 typedef unsigned long cycles_t;
 
 /*
- * Something low processor frequency like 100Mhz but 
- * yet multiple of HZ to avoid truncation in some formulas.
+ * For performance reasons, we don't want to define CLOCK_TICK_TRATE as
+ * local_cpu_data->itc_rate.  Fortunately, we don't have to, either: according to George
+ * Anzinger, 1/CLOCK_TICK_RATE is taken as the resolution of the timer clock.  The time
+ * calculation assumes that you will use enough of these so that your tick size <= 1/HZ.
+ * If the calculation shows that your CLOCK_TICK_RATE can not supply exactly 1/HZ ticks,
+ * the actual value is calculated and used to update the wall clock each jiffie.  Setting
+ * the CLOCK_TICK_RATE to x*HZ insures that the calculation will find no errors.  Hence we
+ * pick a multiple of HZ which gives us a (totally virtual) CLOCK_TICK_RATE of about
+ * 100MHz.
  */
 #define CLOCK_TICK_RATE		(HZ * 100000UL)
 

include/asm-ia64/tlb.h

@@ -39,6 +39,7 @@
  */
 #include <linux/config.h>
 #include <linux/mm.h>
+#include <linux/swap.h>
 
 #include <asm/processor.h>
 #include <asm/tlbflush.h>

include/asm-ia64/topology.h

@@ -28,11 +28,6 @@
  */
 #define node_to_cpumask(node) (node_to_cpu_mask[node])
 
-#else
-#define cpu_to_node(cpu) (0)
-#define node_to_cpumask(node) (phys_cpu_present_map)
-#endif
-
 /*
  * Returns the number of the node containing MemBlk 'memblk'
  */
@@ -65,4 +60,8 @@
 
 void build_cpu_to_node_map(void);
 
+#endif /* CONFIG_NUMA */
+
+#include <asm-generic/topology.h>
+
 #endif /* _ASM_IA64_TOPOLOGY_H */