Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

Conflicts:

	drivers/net/wireless/rt2x00/rt2x00dev.c
	net/8021q/vlan_dev.c

16 files changed, 368 insertions, 435 deletions

diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c
index f1cf2df97a2d..fbe742ad2fde 100644
--- a/arch/ia64/kernel/crash.c
+++ b/arch/ia64/kernel/crash.c
@@ -155,7 +155,7 @@ kdump_init_notifier(struct notifier_block *self, unsigned long val, void *data)
 		if (val == DIE_INIT_MONARCH_LEAVE)
 			ia64_mca_printk(KERN_NOTICE
 					"%s: kdump not configured\n",
-					__FUNCTION__);
+					__func__);
 		return NOTIFY_DONE;
 	}
 
diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
index 919070a9aed7..728d7247a1a6 100644
--- a/arch/ia64/kernel/efi.c
+++ b/arch/ia64/kernel/efi.c
@@ -379,8 +379,8 @@ efi_get_pal_addr (void)
 		 * a dedicated ITR for the PAL code.
 		 */
 		if ((vaddr & mask) == (KERNEL_START & mask)) {
-			printk(KERN_INFO "%s: no need to install ITR for "
-			       "PAL code\n", __FUNCTION__);
+			printk(KERN_INFO "%s: no need to install ITR for PAL code\n",
+			       __func__);
 			continue;
 		}
 
@@ -399,7 +399,7 @@ efi_get_pal_addr (void)
 		return __va(md->phys_addr);
 	}
 	printk(KERN_WARNING "%s: no PAL-code memory-descriptor found\n",
-	       __FUNCTION__);
+	       __func__);
 	return NULL;
 }
 
@@ -543,12 +543,30 @@ efi_init (void)
 		for (i = 0, p = efi_map_start; p < efi_map_end;
 		     ++i, p += efi_desc_size)
 		{
+			const char *unit;
+			unsigned long size;
+
 			md = p;
-			printk("mem%02u: type=%u, attr=0x%lx, "
-			       "range=[0x%016lx-0x%016lx) (%luMB)\n",
+			size = md->num_pages << EFI_PAGE_SHIFT;
+
+			if ((size >> 40) > 0) {
+				size >>= 40;
+				unit = "TB";
+			} else if ((size >> 30) > 0) {
+				size >>= 30;
+				unit = "GB";
+			} else if ((size >> 20) > 0) {
+				size >>= 20;
+				unit = "MB";
+			} else {
+				size >>= 10;
+				unit = "KB";
+			}
+
+			printk("mem%02d: type=%2u, attr=0x%016lx, "
+			       "range=[0x%016lx-0x%016lx) (%4lu%s)\n",
 			       i, md->type, md->attribute, md->phys_addr,
-			       md->phys_addr + efi_md_size(md),
-			       md->num_pages >> (20 - EFI_PAGE_SHIFT));
+			       md->phys_addr + efi_md_size(md), size, unit);
 		}
 	}
 #endif
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index 398e2fd1cd25..082c31dcfd99 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -345,7 +345,7 @@ iosapic_set_affinity (unsigned int irq, cpumask_t mask)
 	if (cpus_empty(mask))
 		return;
 
-	if (reassign_irq_vector(irq, first_cpu(mask)))
+	if (irq_prepare_move(irq, first_cpu(mask)))
 		return;
 
 	dest = cpu_physical_id(first_cpu(mask));
@@ -397,6 +397,7 @@ iosapic_end_level_irq (unsigned int irq)
 	struct iosapic_rte_info *rte;
 	int do_unmask_irq = 0;
 
+	irq_complete_move(irq);
 	if (unlikely(irq_desc[irq].status & IRQ_MOVE_PENDING)) {
 		do_unmask_irq = 1;
 		mask_irq(irq);
@@ -450,6 +451,7 @@ iosapic_ack_edge_irq (unsigned int irq)
 {
 	irq_desc_t *idesc = irq_desc + irq;
 
+	irq_complete_move(irq);
 	move_native_irq(irq);
 	/*
 	 * Once we have recorded IRQ_PENDING already, we can mask the
@@ -532,7 +534,7 @@ iosapic_reassign_vector (int irq)
 	if (iosapic_intr_info[irq].count) {
 		new_irq = create_irq();
 		if (new_irq < 0)
-			panic("%s: out of interrupt vectors!\n", __FUNCTION__);
+			panic("%s: out of interrupt vectors!\n", __func__);
 		printk(KERN_INFO "Reassigning vector %d to %d\n",
 		       irq_to_vector(irq), irq_to_vector(new_irq));
 		memcpy(&iosapic_intr_info[new_irq], &iosapic_intr_info[irq],
@@ -597,7 +599,7 @@ register_intr (unsigned int gsi, int irq, unsigned char delivery,
 	index = find_iosapic(gsi);
 	if (index < 0) {
 		printk(KERN_WARNING "%s: No IOSAPIC for GSI %u\n",
-		       __FUNCTION__, gsi);
+		       __func__, gsi);
 		return -ENODEV;
 	}
 
@@ -606,7 +608,7 @@ register_intr (unsigned int gsi, int irq, unsigned char delivery,
 		rte = iosapic_alloc_rte();
 		if (!rte) {
 			printk(KERN_WARNING "%s: cannot allocate memory\n",
-			       __FUNCTION__);
+			       __func__);
 			return -ENOMEM;
 		}
 
@@ -623,7 +625,7 @@ register_intr (unsigned int gsi, int irq, unsigned char delivery,
 		    (info->trigger != trigger || info->polarity != polarity)){
 			printk (KERN_WARNING
 				"%s: cannot override the interrupt\n",
-				__FUNCTION__);
+				__func__);
 			return -EINVAL;
 		}
 		rte->refcnt++;
@@ -645,7 +647,7 @@ register_intr (unsigned int gsi, int irq, unsigned char delivery,
 		if (idesc->chip != &no_irq_type)
 			printk(KERN_WARNING
 			       "%s: changing vector %d from %s to %s\n",
-			       __FUNCTION__, irq_to_vector(irq),
+			       __func__, irq_to_vector(irq),
 			       idesc->chip->name, irq_type->name);
 		idesc->chip = irq_type;
 	}
@@ -918,7 +920,7 @@ iosapic_register_platform_intr (u32 int_type, unsigned int gsi,
 	      case ACPI_INTERRUPT_INIT:
 		irq = create_irq();
 		if (irq < 0)
-			panic("%s: out of interrupt vectors!\n", __FUNCTION__);
+			panic("%s: out of interrupt vectors!\n", __func__);
 		vector = irq_to_vector(irq);
 		delivery = IOSAPIC_INIT;
 		break;
@@ -929,7 +931,7 @@ iosapic_register_platform_intr (u32 int_type, unsigned int gsi,
 		mask = 1;
 		break;
 	      default:
-		printk(KERN_ERR "%s: invalid int type 0x%x\n", __FUNCTION__,
+		printk(KERN_ERR "%s: invalid int type 0x%x\n", __func__,
 		       int_type);
 		return -1;
 	}
@@ -994,7 +996,7 @@ iosapic_system_init (int system_pcat_compat)
 		 */
 		printk(KERN_INFO
 		       "%s: Disabling PC-AT compatible 8259 interrupts\n",
-		       __FUNCTION__);
+		       __func__);
 		outb(0xff, 0xA1);
 		outb(0xff, 0x21);
 	}
@@ -1009,7 +1011,7 @@ iosapic_alloc (void)
 		if (!iosapic_lists[index].addr)
 			return index;
 
-	printk(KERN_WARNING "%s: failed to allocate iosapic\n", __FUNCTION__);
+	printk(KERN_WARNING "%s: failed to allocate iosapic\n", __func__);
 	return -1;
 }
 
@@ -1107,14 +1109,14 @@ iosapic_remove (unsigned int gsi_base)
 	index = find_iosapic(gsi_base);
 	if (index < 0) {
 		printk(KERN_WARNING "%s: No IOSAPIC for GSI base %u\n",
-		       __FUNCTION__, gsi_base);
+		       __func__, gsi_base);
 		goto out;
 	}
 
 	if (iosapic_lists[index].rtes_inuse) {
 		err = -EBUSY;
 		printk(KERN_WARNING "%s: IOSAPIC for GSI base %u is busy\n",
-		       __FUNCTION__, gsi_base);
+		       __func__, gsi_base);
 		goto out;
 	}
 
@@ -1135,7 +1137,7 @@ map_iosapic_to_node(unsigned int gsi_base, int node)
 	index = find_iosapic(gsi_base);
 	if (index < 0) {
 		printk(KERN_WARNING "%s: No IOSAPIC for GSI %u\n",
-		       __FUNCTION__, gsi_base);
+		       __func__, gsi_base);
 		return;
 	}
 	iosapic_lists[index].node = node;
diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index 0b52f19ed046..d8be23fbe6bc 100644
--- a/arch/ia64/kernel/irq_ia64.c
+++ b/arch/ia64/kernel/irq_ia64.c
@@ -260,6 +260,8 @@ void __setup_vector_irq(int cpu)
 }
 
 #if defined(CONFIG_SMP) && (defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_DIG))
+#define IA64_IRQ_MOVE_VECTOR	IA64_DEF_FIRST_DEVICE_VECTOR
+
 static enum vector_domain_type {
 	VECTOR_DOMAIN_NONE,
 	VECTOR_DOMAIN_PERCPU
@@ -272,6 +274,101 @@ static cpumask_t vector_allocation_domain(int cpu)
 	return CPU_MASK_ALL;
 }
 
+static int __irq_prepare_move(int irq, int cpu)
+{
+	struct irq_cfg *cfg = &irq_cfg[irq];
+	int vector;
+	cpumask_t domain;
+
+	if (cfg->move_in_progress || cfg->move_cleanup_count)
+		return -EBUSY;
+	if (cfg->vector == IRQ_VECTOR_UNASSIGNED || !cpu_online(cpu))
+		return -EINVAL;
+	if (cpu_isset(cpu, cfg->domain))
+		return 0;
+	domain = vector_allocation_domain(cpu);
+	vector = find_unassigned_vector(domain);
+	if (vector < 0)
+		return -ENOSPC;
+	cfg->move_in_progress = 1;
+	cfg->old_domain = cfg->domain;
+	cfg->vector = IRQ_VECTOR_UNASSIGNED;
+	cfg->domain = CPU_MASK_NONE;
+	BUG_ON(__bind_irq_vector(irq, vector, domain));
+	return 0;
+}
+
+int irq_prepare_move(int irq, int cpu)
+{
+	unsigned long flags;
+	int ret;
+
+	spin_lock_irqsave(&vector_lock, flags);
+	ret = __irq_prepare_move(irq, cpu);
+	spin_unlock_irqrestore(&vector_lock, flags);
+	return ret;
+}
+
+void irq_complete_move(unsigned irq)
+{
+	struct irq_cfg *cfg = &irq_cfg[irq];
+	cpumask_t cleanup_mask;
+	int i;
+
+	if (likely(!cfg->move_in_progress))
+		return;
+
+	if (unlikely(cpu_isset(smp_processor_id(), cfg->old_domain)))
+		return;
+
+	cpus_and(cleanup_mask, cfg->old_domain, cpu_online_map);
+	cfg->move_cleanup_count = cpus_weight(cleanup_mask);
+	for_each_cpu_mask(i, cleanup_mask)
+		platform_send_ipi(i, IA64_IRQ_MOVE_VECTOR, IA64_IPI_DM_INT, 0);
+	cfg->move_in_progress = 0;
+}
+
+static irqreturn_t smp_irq_move_cleanup_interrupt(int irq, void *dev_id)
+{
+	int me = smp_processor_id();
+	ia64_vector vector;
+	unsigned long flags;
+
+	for (vector = IA64_FIRST_DEVICE_VECTOR;
+	     vector < IA64_LAST_DEVICE_VECTOR; vector++) {
+		int irq;
+		struct irq_desc *desc;
+		struct irq_cfg *cfg;
+		irq = __get_cpu_var(vector_irq)[vector];
+		if (irq < 0)
+			continue;
+
+		desc = irq_desc + irq;
+		cfg = irq_cfg + irq;
+		spin_lock(&desc->lock);
+		if (!cfg->move_cleanup_count)
+			goto unlock;
+
+		if (!cpu_isset(me, cfg->old_domain))
+			goto unlock;
+
+		spin_lock_irqsave(&vector_lock, flags);
+		__get_cpu_var(vector_irq)[vector] = -1;
+		cpu_clear(me, vector_table[vector]);
+		spin_unlock_irqrestore(&vector_lock, flags);
+		cfg->move_cleanup_count--;
+	unlock:
+		spin_unlock(&desc->lock);
+	}
+	return IRQ_HANDLED;
+}
+
+static struct irqaction irq_move_irqaction = {
+	.handler =	smp_irq_move_cleanup_interrupt,
+	.flags =	IRQF_DISABLED,
+	.name =		"irq_move"
+};
+
 static int __init parse_vector_domain(char *arg)
 {
 	if (!arg)
@@ -303,36 +400,6 @@ void destroy_and_reserve_irq(unsigned int irq)
 	spin_unlock_irqrestore(&vector_lock, flags);
 }
 
-static int __reassign_irq_vector(int irq, int cpu)
-{
-	struct irq_cfg *cfg = &irq_cfg[irq];
-	int vector;
-	cpumask_t domain;
-
-	if (cfg->vector == IRQ_VECTOR_UNASSIGNED || !cpu_online(cpu))
-		return -EINVAL;
-	if (cpu_isset(cpu, cfg->domain))
-		return 0;
-	domain = vector_allocation_domain(cpu);
-	vector = find_unassigned_vector(domain);
-	if (vector < 0)
-		return -ENOSPC;
-	__clear_irq_vector(irq);
-	BUG_ON(__bind_irq_vector(irq, vector, domain));
-	return 0;
-}
-
-int reassign_irq_vector(int irq, int cpu)
-{
-	unsigned long flags;
-	int ret;
-
-	spin_lock_irqsave(&vector_lock, flags);
-	ret = __reassign_irq_vector(irq, cpu);
-	spin_unlock_irqrestore(&vector_lock, flags);
-	return ret;
-}
-
 /*
  * Dynamic irq allocate and deallocation for MSI
  */
@@ -440,7 +507,7 @@ ia64_handle_irq (ia64_vector vector, struct pt_regs *regs)
 			if (unlikely(irq < 0)) {
 				printk(KERN_ERR "%s: Unexpected interrupt "
 				       "vector %d on CPU %d is not mapped "
-				       "to any IRQ!\n", __FUNCTION__, vector,
+				       "to any IRQ!\n", __func__, vector,
 				       smp_processor_id());
 			} else
 				generic_handle_irq(irq);
@@ -505,7 +572,7 @@ void ia64_process_pending_intr(void)
 			if (unlikely(irq < 0)) {
 				printk(KERN_ERR "%s: Unexpected interrupt "
 				       "vector %d on CPU %d not being mapped "
-				       "to any IRQ!!\n", __FUNCTION__, vector,
+				       "to any IRQ!!\n", __func__, vector,
 				       smp_processor_id());
 			} else {
 				vectors_in_migration[irq]=0;
@@ -578,6 +645,13 @@ init_IRQ (void)
 	register_percpu_irq(IA64_IPI_VECTOR, &ipi_irqaction);
 	register_percpu_irq(IA64_IPI_RESCHEDULE, &resched_irqaction);
 	register_percpu_irq(IA64_IPI_LOCAL_TLB_FLUSH, &tlb_irqaction);
+#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_DIG)
+	if (vector_domain_type != VECTOR_DOMAIN_NONE) {
+		BUG_ON(IA64_FIRST_DEVICE_VECTOR != IA64_IRQ_MOVE_VECTOR);
+		IA64_FIRST_DEVICE_VECTOR++;
+		register_percpu_irq(IA64_IRQ_MOVE_VECTOR, &irq_move_irqaction);
+	}
+#endif
 #endif
 #ifdef CONFIG_PERFMON
 	pfm_init_percpu();
@@ -592,11 +666,7 @@ ia64_send_ipi (int cpu, int vector, int delivery_mode, int redirect)
 	unsigned long ipi_data;
 	unsigned long phys_cpu_id;
 
-#ifdef CONFIG_SMP
 	phys_cpu_id = cpu_physical_id(cpu);
-#else
-	phys_cpu_id = (ia64_getreg(_IA64_REG_CR_LID) >> 16) & 0xffff;
-#endif
 
 	/*
 	 * cpu number is in 8bit ID and 8bit EID
diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c
index b618487cdc85..8d9a446a0d17 100644
--- a/arch/ia64/kernel/kprobes.c
+++ b/arch/ia64/kernel/kprobes.c
@@ -838,7 +838,7 @@ out:
 	return 1;
 }
 
-int __kprobes kprobes_fault_handler(struct pt_regs *regs, int trapnr)
+int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
 {
 	struct kprobe *cur = kprobe_running();
 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
@@ -1001,6 +1001,11 @@ int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs)
 	return 1;
 }
 
+/* ia64 does not need this */
+void __kprobes jprobe_return(void)
+{
+}
+
 int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs)
 {
 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 6e17aed53135..6c18221dba36 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -413,8 +413,8 @@ ia64_log_get(int sal_info_type, u8 **buffer, int irq_safe)
 		IA64_LOG_INDEX_INC(sal_info_type);
 		IA64_LOG_UNLOCK(sal_info_type);
 		if (irq_safe) {
-			IA64_MCA_DEBUG("%s: SAL error record type %d retrieved. "
-				       "Record length = %ld\n", __FUNCTION__, sal_info_type, total_len);
+			IA64_MCA_DEBUG("%s: SAL error record type %d retrieved. Record length = %ld\n",
+				       __func__, sal_info_type, total_len);
 		}
 		*buffer = (u8 *) log_buffer;
 		return total_len;
@@ -518,7 +518,7 @@ ia64_mca_cpe_int_handler (int cpe_irq, void *arg)
 	static DEFINE_SPINLOCK(cpe_history_lock);
 
 	IA64_MCA_DEBUG("%s: received interrupt vector = %#x on CPU %d\n",
-		       __FUNCTION__, cpe_irq, smp_processor_id());
+		       __func__, cpe_irq, smp_processor_id());
 
 	/* SAL spec states this should run w/ interrupts enabled */
 	local_irq_enable();
@@ -594,7 +594,7 @@ ia64_mca_register_cpev (int cpev)
 	}
 
 	IA64_MCA_DEBUG("%s: corrected platform error "
-		       "vector %#x registered\n", __FUNCTION__, cpev);
+		       "vector %#x registered\n", __func__, cpev);
 }
 #endif /* CONFIG_ACPI */
 
@@ -621,12 +621,11 @@ ia64_mca_cmc_vector_setup (void)
 	cmcv.cmcv_vector	= IA64_CMC_VECTOR;
 	ia64_setreg(_IA64_REG_CR_CMCV, cmcv.cmcv_regval);
 
-	IA64_MCA_DEBUG("%s: CPU %d corrected "
-		       "machine check vector %#x registered.\n",
-		       __FUNCTION__, smp_processor_id(), IA64_CMC_VECTOR);
+	IA64_MCA_DEBUG("%s: CPU %d corrected machine check vector %#x registered.\n",
+		       __func__, smp_processor_id(), IA64_CMC_VECTOR);
 
 	IA64_MCA_DEBUG("%s: CPU %d CMCV = %#016lx\n",
-		       __FUNCTION__, smp_processor_id(), ia64_getreg(_IA64_REG_CR_CMCV));
+		       __func__, smp_processor_id(), ia64_getreg(_IA64_REG_CR_CMCV));
 }
 
 /*
@@ -651,9 +650,8 @@ ia64_mca_cmc_vector_disable (void *dummy)
 	cmcv.cmcv_mask = 1; /* Mask/disable interrupt */
 	ia64_setreg(_IA64_REG_CR_CMCV, cmcv.cmcv_regval);
 
-	IA64_MCA_DEBUG("%s: CPU %d corrected "
-		       "machine check vector %#x disabled.\n",
-		       __FUNCTION__, smp_processor_id(), cmcv.cmcv_vector);
+	IA64_MCA_DEBUG("%s: CPU %d corrected machine check vector %#x disabled.\n",
+		       __func__, smp_processor_id(), cmcv.cmcv_vector);
 }
 
 /*
@@ -678,9 +676,8 @@ ia64_mca_cmc_vector_enable (void *dummy)
 	cmcv.cmcv_mask = 0; /* Unmask/enable interrupt */
 	ia64_setreg(_IA64_REG_CR_CMCV, cmcv.cmcv_regval);
 
-	IA64_MCA_DEBUG("%s: CPU %d corrected "
-		       "machine check vector %#x enabled.\n",
-		       __FUNCTION__, smp_processor_id(), cmcv.cmcv_vector);
+	IA64_MCA_DEBUG("%s: CPU %d corrected machine check vector %#x enabled.\n",
+		       __func__, smp_processor_id(), cmcv.cmcv_vector);
 }
 
 /*
@@ -767,7 +764,7 @@ ia64_mca_rendez_int_handler(int rendez_irq, void *arg)
 	local_irq_save(flags);
 	if (notify_die(DIE_MCA_RENDZVOUS_ENTER, "MCA", get_irq_regs(),
 		       (long)&nd, 0, 0) == NOTIFY_STOP)
-		ia64_mca_spin(__FUNCTION__);
+		ia64_mca_spin(__func__);
 
 	ia64_mc_info.imi_rendez_checkin[cpu] = IA64_MCA_RENDEZ_CHECKIN_DONE;
 	/* Register with the SAL monarch that the slave has
@@ -777,7 +774,7 @@ ia64_mca_rendez_int_handler(int rendez_irq, void *arg)
 
 	if (notify_die(DIE_MCA_RENDZVOUS_PROCESS, "MCA", get_irq_regs(),
 		       (long)&nd, 0, 0) == NOTIFY_STOP)
-		ia64_mca_spin(__FUNCTION__);
+		ia64_mca_spin(__func__);
 
 	/* Wait for the monarch cpu to exit. */
 	while (monarch_cpu != -1)
@@ -785,7 +782,7 @@ ia64_mca_rendez_int_handler(int rendez_irq, void *arg)
 
 	if (notify_die(DIE_MCA_RENDZVOUS_LEAVE, "MCA", get_irq_regs(),
 		       (long)&nd, 0, 0) == NOTIFY_STOP)
-		ia64_mca_spin(__FUNCTION__);
+		ia64_mca_spin(__func__);
 
 	ia64_mc_info.imi_rendez_checkin[cpu] = IA64_MCA_RENDEZ_CHECKIN_NOTDONE;
 	/* Enable all interrupts */
@@ -1230,7 +1227,7 @@ ia64_mca_handler(struct pt_regs *regs, struct switch_stack *sw,
 
 	if (notify_die(DIE_MCA_MONARCH_ENTER, "MCA", regs, (long)&nd, 0, 0)
 			== NOTIFY_STOP)
-		ia64_mca_spin(__FUNCTION__);
+		ia64_mca_spin(__func__);
 
 	ia64_mc_info.imi_rendez_checkin[cpu] = IA64_MCA_RENDEZ_CHECKIN_CONCURRENT_MCA;
 	if (sos->monarch) {
@@ -1246,7 +1243,7 @@ ia64_mca_handler(struct pt_regs *regs, struct switch_stack *sw,
 		ia64_mca_wakeup_all();
 		if (notify_die(DIE_MCA_MONARCH_PROCESS, "MCA", regs, (long)&nd, 0, 0)
 				== NOTIFY_STOP)
-			ia64_mca_spin(__FUNCTION__);
+			ia64_mca_spin(__func__);
 	} else {
 		while (cpu_isset(cpu, mca_cpu))
 			cpu_relax();	/* spin until monarch wakes us */
@@ -1276,7 +1273,7 @@ ia64_mca_handler(struct pt_regs *regs, struct switch_stack *sw,
 	}
 	if (notify_die(DIE_MCA_MONARCH_LEAVE, "MCA", regs, (long)&nd, 0, recover)
 			== NOTIFY_STOP)
-		ia64_mca_spin(__FUNCTION__);
+		ia64_mca_spin(__func__);
 
 
 	if (atomic_dec_return(&mca_count) > 0) {
@@ -1328,7 +1325,7 @@ ia64_mca_cmc_int_handler(int cmc_irq, void *arg)
 	static DEFINE_SPINLOCK(cmc_history_lock);
 
 	IA64_MCA_DEBUG("%s: received interrupt vector = %#x on CPU %d\n",
-		       __FUNCTION__, cmc_irq, smp_processor_id());
+		       __func__, cmc_irq, smp_processor_id());
 
 	/* SAL spec states this should run w/ interrupts enabled */
 	local_irq_enable();
@@ -1614,7 +1611,7 @@ ia64_init_handler(struct pt_regs *regs, struct switch_stack *sw,
 	 */
 	if (!sos->monarch && atomic_add_return(1, &slaves) == num_online_cpus()) {
 		mprintk(KERN_WARNING "%s: Promoting cpu %d to monarch.\n",
-		       __FUNCTION__, cpu);
+		        __func__, cpu);
 		atomic_dec(&slaves);
 		sos->monarch = 1;
 	}
@@ -1626,7 +1623,7 @@ ia64_init_handler(struct pt_regs *regs, struct switch_stack *sw,
 	 */
 	if (sos->monarch && atomic_add_return(1, &monarchs) > 1) {
 		mprintk(KERN_WARNING "%s: Demoting cpu %d to slave.\n",
-			       __FUNCTION__, cpu);
+			       __func__, cpu);
 		atomic_dec(&monarchs);
 		sos->monarch = 0;
 	}
@@ -1637,15 +1634,15 @@ ia64_init_handler(struct pt_regs *regs, struct switch_stack *sw,
 		       cpu_relax();	/* spin until monarch enters */
 		if (notify_die(DIE_INIT_SLAVE_ENTER, "INIT", regs, (long)&nd, 0, 0)
 				== NOTIFY_STOP)
-			ia64_mca_spin(__FUNCTION__);
+			ia64_mca_spin(__func__);
 		if (notify_die(DIE_INIT_SLAVE_PROCESS, "INIT", regs, (long)&nd, 0, 0)
 				== NOTIFY_STOP)
-			ia64_mca_spin(__FUNCTION__);
+			ia64_mca_spin(__func__);
 		while (monarch_cpu != -1)
 		       cpu_relax();	/* spin until monarch leaves */
 		if (notify_die(DIE_INIT_SLAVE_LEAVE, "INIT", regs, (long)&nd, 0, 0)
 				== NOTIFY_STOP)
-			ia64_mca_spin(__FUNCTION__);
+			ia64_mca_spin(__func__);
 		mprintk("Slave on cpu %d returning to normal service.\n", cpu);
 		set_curr_task(cpu, previous_current);
 		ia64_mc_info.imi_rendez_checkin[cpu] = IA64_MCA_RENDEZ_CHECKIN_NOTDONE;
@@ -1656,7 +1653,7 @@ ia64_init_handler(struct pt_regs *regs, struct switch_stack *sw,
 	monarch_cpu = cpu;
 	if (notify_die(DIE_INIT_MONARCH_ENTER, "INIT", regs, (long)&nd, 0, 0)
 			== NOTIFY_STOP)
-		ia64_mca_spin(__FUNCTION__);
+		ia64_mca_spin(__func__);
 
 	/*
 	 * Wait for a bit.  On some machines (e.g., HP's zx2000 and zx6000, INIT can be
@@ -1673,10 +1670,10 @@ ia64_init_handler(struct pt_regs *regs, struct switch_stack *sw,
 	 */
 	if (notify_die(DIE_INIT_MONARCH_PROCESS, "INIT", regs, (long)&nd, 0, 0)
 			== NOTIFY_STOP)
-		ia64_mca_spin(__FUNCTION__);
+		ia64_mca_spin(__func__);
 	if (notify_die(DIE_INIT_MONARCH_LEAVE, "INIT", regs, (long)&nd, 0, 0)
 			== NOTIFY_STOP)
-		ia64_mca_spin(__FUNCTION__);
+		ia64_mca_spin(__func__);
 	mprintk("\nINIT dump complete.  Monarch on cpu %d returning to normal service.\n", cpu);
 	atomic_dec(&monarchs);
 	set_curr_task(cpu, previous_current);
@@ -1884,7 +1881,7 @@ ia64_mca_init(void)
 		.priority = 0/* we need to notified last */
 	};
 
-	IA64_MCA_DEBUG("%s: begin\n", __FUNCTION__);
+	IA64_MCA_DEBUG("%s: begin\n", __func__);
 
 	/* Clear the Rendez checkin flag for all cpus */
 	for(i = 0 ; i < NR_CPUS; i++)
@@ -1928,7 +1925,7 @@ ia64_mca_init(void)
 		return;
 	}
 
-	IA64_MCA_DEBUG("%s: registered MCA rendezvous spinloop and wakeup mech.\n", __FUNCTION__);
+	IA64_MCA_DEBUG("%s: registered MCA rendezvous spinloop and wakeup mech.\n", __func__);
 
 	ia64_mc_info.imi_mca_handler        = ia64_tpa(mca_hldlr_ptr->fp);
 	/*
@@ -1949,7 +1946,7 @@ ia64_mca_init(void)
 		return;
 	}
 
-	IA64_MCA_DEBUG("%s: registered OS MCA handler with SAL at 0x%lx, gp = 0x%lx\n", __FUNCTION__,
+	IA64_MCA_DEBUG("%s: registered OS MCA handler with SAL at 0x%lx, gp = 0x%lx\n", __func__,
 		       ia64_mc_info.imi_mca_handler, ia64_tpa(mca_hldlr_ptr->gp));
 
 	/*
@@ -1961,7 +1958,7 @@ ia64_mca_init(void)
 	ia64_mc_info.imi_slave_init_handler		= ia64_tpa(init_hldlr_ptr_slave->fp);
 	ia64_mc_info.imi_slave_init_handler_size	= 0;
 
-	IA64_MCA_DEBUG("%s: OS INIT handler at %lx\n", __FUNCTION__,
+	IA64_MCA_DEBUG("%s: OS INIT handler at %lx\n", __func__,
 		       ia64_mc_info.imi_monarch_init_handler);
 
 	/* Register the os init handler with SAL */
@@ -1982,7 +1979,7 @@ ia64_mca_init(void)
 		return;
 	}
 
-	IA64_MCA_DEBUG("%s: registered OS INIT handler with SAL\n", __FUNCTION__);
+	IA64_MCA_DEBUG("%s: registered OS INIT handler with SAL\n", __func__);
 
 	/*
 	 *  Configure the CMCI/P vector and handler. Interrupts for CMC are
@@ -2042,7 +2039,7 @@ ia64_mca_late_init(void)
 	cmc_polling_enabled = 0;
 	schedule_work(&cmc_enable_work);
 
-	IA64_MCA_DEBUG("%s: CMCI/P setup and enabled.\n", __FUNCTION__);
+	IA64_MCA_DEBUG("%s: CMCI/P setup and enabled.\n", __func__);
 
 #ifdef CONFIG_ACPI
 	/* Setup the CPEI/P vector and handler */
@@ -2065,17 +2062,17 @@ ia64_mca_late_init(void)
 				ia64_cpe_irq = irq;
 				ia64_mca_register_cpev(cpe_vector);
 				IA64_MCA_DEBUG("%s: CPEI/P setup and enabled.\n",
-					__FUNCTION__);
+					__func__);
 				return 0;
 			}
 			printk(KERN_ERR "%s: Failed to find irq for CPE "
 					"interrupt handler, vector %d\n",
-					__FUNCTION__, cpe_vector);
+					__func__, cpe_vector);
 		}
 		/* If platform doesn't support CPEI, get the timer going. */
 		if (cpe_poll_enabled) {
 			ia64_mca_cpe_poll(0UL);
-			IA64_MCA_DEBUG("%s: CPEP setup and enabled.\n", __FUNCTION__);
+			IA64_MCA_DEBUG("%s: CPEP setup and enabled.\n", __func__);
 		}
 	}
 #endif
diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c
index e58f4367cf11..e83e2ea3b3e0 100644
--- a/arch/ia64/kernel/module.c
+++ b/arch/ia64/kernel/module.c
@@ -493,7 +493,7 @@ module_frob_arch_sections (Elf_Ehdr *ehdr, Elf_Shdr *sechdrs, char *secstrings,
 	mod->arch.opd->sh_addralign = 8;
 	mod->arch.opd->sh_size = fdescs * sizeof(struct fdesc);
 	DEBUGP("%s: core.plt=%lx, init.plt=%lx, got=%lx, fdesc=%lx\n",
-	       __FUNCTION__, mod->arch.core_plt->sh_size, mod->arch.init_plt->sh_size,
+	       __func__, mod->arch.core_plt->sh_size, mod->arch.init_plt->sh_size,
 	       mod->arch.got->sh_size, mod->arch.opd->sh_size);
 	return 0;
 }
@@ -585,7 +585,7 @@ get_plt (struct module *mod, const struct insn *insn, uint64_t value, int *okp)
 #if ARCH_MODULE_DEBUG
 	if (plt_target(plt) != target_ip) {
 		printk("%s: mistargeted PLT: wanted %lx, got %lx\n",
-		       __FUNCTION__, target_ip, plt_target(plt));
+		       __func__, target_ip, plt_target(plt));
 		*okp = 0;
 		return 0;
 	}
@@ -703,7 +703,7 @@ do_reloc (struct module *mod, uint8_t r_type, Elf64_Sym *sym, uint64_t addend,
 		if (r_type == R_IA64_PCREL21BI) {
 			if (!is_internal(mod, val)) {
 				printk(KERN_ERR "%s: %s reloc against non-local symbol (%lx)\n",
-				       __FUNCTION__, reloc_name[r_type], val);
+				       __func__, reloc_name[r_type], val);
 				return -ENOEXEC;
 			}
 			format = RF_INSN21B;
@@ -737,7 +737,7 @@ do_reloc (struct module *mod, uint8_t r_type, Elf64_Sym *sym, uint64_t addend,
 		      case R_IA64_LDXMOV:
 			if (gp_addressable(mod, val)) {
 				/* turn "ld8" into "mov": */
-				DEBUGP("%s: patching ld8 at %p to mov\n", __FUNCTION__, location);
+				DEBUGP("%s: patching ld8 at %p to mov\n", __func__, location);
 				ia64_patch((u64) location, 0x1fff80fe000UL, 0x10000000000UL);
 			}
 			return 0;
@@ -771,7 +771,7 @@ do_reloc (struct module *mod, uint8_t r_type, Elf64_Sym *sym, uint64_t addend,
 	if (!ok)
 		return -ENOEXEC;
 
-	DEBUGP("%s: [%p]<-%016lx = %s(%lx)\n", __FUNCTION__, location, val,
+	DEBUGP("%s: [%p]<-%016lx = %s(%lx)\n", __func__, location, val,
 	       reloc_name[r_type] ? reloc_name[r_type] : "?", sym->st_value + addend);
 
 	switch (format) {
@@ -807,7 +807,7 @@ apply_relocate_add (Elf64_Shdr *sechdrs, const char *strtab, unsigned int symind
 	Elf64_Shdr *target_sec;
 	int ret;
 
-	DEBUGP("%s: applying section %u (%u relocs) to %u\n", __FUNCTION__,
+	DEBUGP("%s: applying section %u (%u relocs) to %u\n", __func__,
 	       relsec, n, sechdrs[relsec].sh_info);
 
 	target_sec = sechdrs + sechdrs[relsec].sh_info;
@@ -835,7 +835,7 @@ apply_relocate_add (Elf64_Shdr *sechdrs, const char *strtab, unsigned int symind
 			gp = mod->core_size / 2;
 		gp = (uint64_t) mod->module_core + ((gp + 7) & -8);
 		mod->arch.gp = gp;
-		DEBUGP("%s: placing gp at 0x%lx\n", __FUNCTION__, gp);
+		DEBUGP("%s: placing gp at 0x%lx\n", __func__, gp);
 	}
 
 	for (i = 0; i < n; i++) {
@@ -903,7 +903,7 @@ register_unwind_table (struct module *mod)
 		init = start + num_core;
 	}
 
-	DEBUGP("%s: name=%s, gp=%lx, num_init=%lu, num_core=%lu\n", __FUNCTION__,
+	DEBUGP("%s: name=%s, gp=%lx, num_init=%lu, num_core=%lu\n", __func__,
 	       mod->name, mod->arch.gp, num_init, num_core);
 
 	/*
@@ -912,13 +912,13 @@ register_unwind_table (struct module *mod)
 	if (num_core > 0) {
 		mod->arch.core_unw_table = unw_add_unwind_table(mod->name, 0, mod->arch.gp,
 								core, core + num_core);
-		DEBUGP("%s:  core: handle=%p [%p-%p)\n", __FUNCTION__,
+		DEBUGP("%s:  core: handle=%p [%p-%p)\n", __func__,
 		       mod->arch.core_unw_table, core, core + num_core);
 	}
 	if (num_init > 0) {
 		mod->arch.init_unw_table = unw_add_unwind_table(mod->name, 0, mod->arch.gp,
 								init, init + num_init);
-		DEBUGP("%s:  init: handle=%p [%p-%p)\n", __FUNCTION__,
+		DEBUGP("%s:  init: handle=%p [%p-%p)\n", __func__,
 		       mod->arch.init_unw_table, init, init + num_init);
 	}
 }
@@ -926,7 +926,7 @@ register_unwind_table (struct module *mod)
 int
 module_finalize (const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs, struct module *mod)
 {
-	DEBUGP("%s: init: entry=%p\n", __FUNCTION__, mod->init);
+	DEBUGP("%s: init: entry=%p\n", __func__, mod->init);
 	if (mod->arch.unwind)
 		register_unwind_table(mod);
 	return 0;
diff --git a/arch/ia64/kernel/msi_ia64.c b/arch/ia64/kernel/msi_ia64.c
index e86d02959794..60c6ef67ebb2 100644
--- a/arch/ia64/kernel/msi_ia64.c
+++ b/arch/ia64/kernel/msi_ia64.c
@@ -57,7 +57,7 @@ static void ia64_set_msi_irq_affinity(unsigned int irq, cpumask_t cpu_mask)
 	if (!cpu_online(cpu))
 		return;
 
-	if (reassign_irq_vector(irq, cpu))
+	if (irq_prepare_move(irq, cpu))
 		return;
 
 	read_msi_msg(irq, &msg);
@@ -119,6 +119,7 @@ void ia64_teardown_msi_irq(unsigned int irq)
 
 static void ia64_ack_msi_irq(unsigned int irq)
 {
+	irq_complete_move(irq);
 	move_native_irq(irq);
 	ia64_eoi();
 }
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index f6b99719f10f..a2aabfdc80d9 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -227,12 +227,12 @@
 #ifdef PFM_DEBUGGING
 #define DPRINT(a) \
 	do { \
-		if (unlikely(pfm_sysctl.debug >0)) { printk("%s.%d: CPU%d [%d] ", __FUNCTION__, __LINE__, smp_processor_id(), task_pid_nr(current)); printk a; } \
+		if (unlikely(pfm_sysctl.debug >0)) { printk("%s.%d: CPU%d [%d] ", __func__, __LINE__, smp_processor_id(), task_pid_nr(current)); printk a; } \
 	} while (0)
 
 #define DPRINT_ovfl(a) \
 	do { \
-		if (unlikely(pfm_sysctl.debug > 0 && pfm_sysctl.debug_ovfl >0)) { printk("%s.%d: CPU%d [%d] ", __FUNCTION__, __LINE__, smp_processor_id(), task_pid_nr(current)); printk a; } \
+		if (unlikely(pfm_sysctl.debug > 0 && pfm_sysctl.debug_ovfl >0)) { printk("%s.%d: CPU%d [%d] ", __func__, __LINE__, smp_processor_id(), task_pid_nr(current)); printk a; } \
 	} while (0)
 #endif
 
diff --git a/arch/ia64/kernel/perfmon_default_smpl.c b/arch/ia64/kernel/perfmon_default_smpl.c
index a7af1cb419f9..5f637bbfcccd 100644
--- a/arch/ia64/kernel/perfmon_default_smpl.c
+++ b/arch/ia64/kernel/perfmon_default_smpl.c
@@ -24,12 +24,12 @@ MODULE_LICENSE("GPL");
 #ifdef DEFAULT_DEBUG
 #define DPRINT(a) \
 	do { \
-		if (unlikely(pfm_sysctl.debug >0)) { printk("%s.%d: CPU%d ", __FUNCTION__, __LINE__, smp_processor_id()); printk a; } \
+		if (unlikely(pfm_sysctl.debug >0)) { printk("%s.%d: CPU%d ", __func__, __LINE__, smp_processor_id()); printk a; } \
 	} while (0)
 
 #define DPRINT_ovfl(a) \
 	do { \
-		if (unlikely(pfm_sysctl.debug > 0 && pfm_sysctl.debug_ovfl >0)) { printk("%s.%d: CPU%d ", __FUNCTION__, __LINE__, smp_processor_id()); printk a; } \
+		if (unlikely(pfm_sysctl.debug > 0 && pfm_sysctl.debug_ovfl >0)) { printk("%s.%d: CPU%d ", __func__, __LINE__, smp_processor_id()); printk a; } \
 	} while (0)
 
 #else
diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c
index 331d6768b5d5..ab784ec4319d 100644
--- a/arch/ia64/kernel/ptrace.c
+++ b/arch/ia64/kernel/ptrace.c
@@ -698,52 +698,6 @@ thread_matches (struct task_struct *thread, unsigned long addr)
 }
 
 /*
- * GDB apparently wants to be able to read the register-backing store
- * of any thread when attached to a given process.  If we are peeking
- * or poking an address that happens to reside in the kernel-backing
- * store of another thread, we need to attach to that thread, because
- * otherwise we end up accessing stale data.
- *
- * task_list_lock must be read-locked before calling this routine!
- */
-static struct task_struct *
-find_thread_for_addr (struct task_struct *child, unsigned long addr)
-{
-	struct task_struct *p;
-	struct mm_struct *mm;
-	struct list_head *this, *next;
-	int mm_users;
-
-	if (!(mm = get_task_mm(child)))
-		return child;
-
-	/* -1 because of our get_task_mm(): */
-	mm_users = atomic_read(&mm->mm_users) - 1;
-	if (mm_users <= 1)
-		goto out;		/* not multi-threaded */
-
-	/*
-	 * Traverse the current process' children list.  Every task that
-	 * one attaches to becomes a child.  And it is only attached children
-	 * of the debugger that are of interest (ptrace_check_attach checks
-	 * for this).
-	 */
- 	list_for_each_safe(this, next, &current->children) {
-		p = list_entry(this, struct task_struct, sibling);
-		if (p->tgid != child->tgid)
-			continue;
-		if (thread_matches(p, addr)) {
-			child = p;
-			goto out;
-		}
-	}
-
-  out:
-	mmput(mm);
-	return child;
-}
-
-/*
  * Write f32-f127 back to task->thread.fph if it has been modified.
  */
 inline void
@@ -826,14 +780,14 @@ convert_to_non_syscall (struct task_struct *child, struct pt_regs  *pt,
 		if ((long)((unsigned long)child + IA64_STK_OFFSET - sp)
 		    < IA64_PT_REGS_SIZE) {
 			dprintk("ptrace.%s: ran off the top of the kernel "
-				"stack\n", __FUNCTION__);
+				"stack\n", __func__);
 			return;
 		}
 		if (unw_get_pr (&prev_info, &pr) < 0) {
 			unw_get_rp(&prev_info, &ip);
 			dprintk("ptrace.%s: failed to read "
 				"predicate register (ip=0x%lx)\n",
-				__FUNCTION__, ip);
+				__func__, ip);
 			return;
 		}
 		if (unw_is_intr_frame(&info)
@@ -908,7 +862,7 @@ static int
 access_uarea (struct task_struct *child, unsigned long addr,
 	      unsigned long *data, int write_access)
 {
-	unsigned long *ptr, regnum, urbs_end, rnat_addr, cfm;
+	unsigned long *ptr, regnum, urbs_end, cfm;
 	struct switch_stack *sw;
 	struct pt_regs *pt;
 #	define pt_reg_addr(pt, reg)	((void *)			    \
@@ -1011,14 +965,9 @@ access_uarea (struct task_struct *child, unsigned long addr,
 			 * the kernel was entered.
 			 *
 			 * Furthermore, when changing the contents of
-			 * PT_AR_BSP (or PT_CFM) we MUST copy any
-			 * users-level stacked registers that are
-			 * stored on the kernel stack back to
-			 * user-space because otherwise, we might end
-			 * up clobbering kernel stacked registers.
-			 * Also, if this happens while the task is
-			 * blocked in a system call, which convert the
-			 * state such that the non-system-call exit
+			 * PT_AR_BSP (or PT_CFM) while the task is
+			 * blocked in a system call, convert the state
+			 * so that the non-system-call exit
 			 * path is used.  This ensures that the proper
 			 * state will be picked up when resuming
 			 * execution.  However, it *also* means that
@@ -1035,10 +984,6 @@ access_uarea (struct task_struct *child, unsigned long addr,
 			urbs_end = ia64_get_user_rbs_end(child, pt, &cfm);
 			if (write_access) {
 				if (*data != urbs_end) {
-					if (ia64_sync_user_rbs(child, sw,
-							       pt->ar_bspstore,
-							       urbs_end) < 0)
-						return -1;
 					if (in_syscall(pt))
 						convert_to_non_syscall(child,
 								       pt,
@@ -1058,10 +1003,6 @@ access_uarea (struct task_struct *child, unsigned long addr,
 			urbs_end = ia64_get_user_rbs_end(child, pt, &cfm);
 			if (write_access) {
 				if (((cfm ^ *data) & PFM_MASK) != 0) {
-					if (ia64_sync_user_rbs(child, sw,
-							       pt->ar_bspstore,
-							       urbs_end) < 0)
-						return -1;
 					if (in_syscall(pt))
 						convert_to_non_syscall(child,
 								       pt,
@@ -1093,16 +1034,8 @@ access_uarea (struct task_struct *child, unsigned long addr,
 			return 0;
 
 		      case PT_AR_RNAT:
-			urbs_end = ia64_get_user_rbs_end(child, pt, NULL);
-			rnat_addr = (long) ia64_rse_rnat_addr((long *)
-							      urbs_end);
-			if (write_access)
-				return ia64_poke(child, sw, urbs_end,
-						 rnat_addr, *data);
-			else
-				return ia64_peek(child, sw, urbs_end,
-						 rnat_addr, data);
-
+			ptr = pt_reg_addr(pt, ar_rnat);
+			break;
 		      case PT_R1:
 			ptr = pt_reg_addr(pt, r1);
 			break;
@@ -1521,215 +1454,97 @@ ptrace_setregs (struct task_struct *child, struct pt_all_user_regs __user *ppr)
 	return ret;
 }
 
-/*
- * Called by kernel/ptrace.c when detaching..
- *
- * Make sure the single step bit is not set.
- */
 void
-ptrace_disable (struct task_struct *child)
+user_enable_single_step (struct task_struct *child)
 {
 	struct ia64_psr *child_psr = ia64_psr(task_pt_regs(child));
 
-	/* make sure the single step/taken-branch trap bits are not set: */
-	clear_tsk_thread_flag(child, TIF_SINGLESTEP);
-	child_psr->ss = 0;
-	child_psr->tb = 0;
+	set_tsk_thread_flag(child, TIF_SINGLESTEP);
+	child_psr->ss = 1;
 }
 
-asmlinkage long
-sys_ptrace (long request, pid_t pid, unsigned long addr, unsigned long data)
+void
+user_enable_block_step (struct task_struct *child)
 {
-	struct pt_regs *pt;
-	unsigned long urbs_end, peek_or_poke;
-	struct task_struct *child;
-	struct switch_stack *sw;
-	long ret;
-	struct unw_frame_info info;
+	struct ia64_psr *child_psr = ia64_psr(task_pt_regs(child));
 
-	lock_kernel();
-	ret = -EPERM;
-	if (request == PTRACE_TRACEME) {
-		ret = ptrace_traceme();
-		goto out;
-	}
+	set_tsk_thread_flag(child, TIF_SINGLESTEP);
+	child_psr->tb = 1;
+}
 
-	peek_or_poke = (request == PTRACE_PEEKTEXT
-			|| request == PTRACE_PEEKDATA
-			|| request == PTRACE_POKETEXT
-			|| request == PTRACE_POKEDATA);
-	ret = -ESRCH;
-	read_lock(&tasklist_lock);
-	{
-		child = find_task_by_pid(pid);
-		if (child) {
-			if (peek_or_poke)
-				child = find_thread_for_addr(child, addr);
-			get_task_struct(child);
-		}
-	}
-	read_unlock(&tasklist_lock);
-	if (!child)
-		goto out;
-	ret = -EPERM;
-	if (pid == 1)		/* no messing around with init! */
-		goto out_tsk;
-
-	if (request == PTRACE_ATTACH) {
-		ret = ptrace_attach(child);
-		if (!ret)
-			arch_ptrace_attach(child);
-		goto out_tsk;
-	}
+void
+user_disable_single_step (struct task_struct *child)
+{
+	struct ia64_psr *child_psr = ia64_psr(task_pt_regs(child));
 
-	ret = ptrace_check_attach(child, request == PTRACE_KILL);
-	if (ret < 0)
-		goto out_tsk;
+	/* make sure the single step/taken-branch trap bits are not set: */
+	clear_tsk_thread_flag(child, TIF_SINGLESTEP);
+	child_psr->ss = 0;
+	child_psr->tb = 0;
+}
 
-	pt = task_pt_regs(child);
-	sw = (struct switch_stack *) (child->thread.ksp + 16);
+/*
+ * Called by kernel/ptrace.c when detaching..
+ *
+ * Make sure the single step bit is not set.
+ */
+void
+ptrace_disable (struct task_struct *child)
+{
+	user_disable_single_step(child);
+}
 
+long
+arch_ptrace (struct task_struct *child, long request, long addr, long data)
+{
 	switch (request) {
-	      case PTRACE_PEEKTEXT:
-	      case PTRACE_PEEKDATA:
+	case PTRACE_PEEKTEXT:
+	case PTRACE_PEEKDATA:
 		/* read word at location addr */
-		urbs_end = ia64_get_user_rbs_end(child, pt, NULL);
-		ret = ia64_peek(child, sw, urbs_end, addr, &data);
-		if (ret == 0) {
-			ret = data;
-			/* ensure "ret" is not mistaken as an error code: */
-			force_successful_syscall_return();
-		}
-		goto out_tsk;
-
-	      case PTRACE_POKETEXT:
-	      case PTRACE_POKEDATA:
-		/* write the word at location addr */
-		urbs_end = ia64_get_user_rbs_end(child, pt, NULL);
-		ret = ia64_poke(child, sw, urbs_end, addr, data);
-
-		/* Make sure user RBS has the latest data */
-		unw_init_from_blocked_task(&info, child);
-		do_sync_rbs(&info, ia64_sync_user_rbs);
+		if (access_process_vm(child, addr, &data, sizeof(data), 0)
+		    != sizeof(data))
+			return -EIO;
+		/* ensure return value is not mistaken for error code */
+		force_successful_syscall_return();
+		return data;
 
-		goto out_tsk;
+	/* PTRACE_POKETEXT and PTRACE_POKEDATA is handled
+	 * by the generic ptrace_request().
+	 */
 
-	      case PTRACE_PEEKUSR:
+	case PTRACE_PEEKUSR:
 		/* read the word at addr in the USER area */
-		if (access_uarea(child, addr, &data, 0) < 0) {
-			ret = -EIO;
-			goto out_tsk;
-		}
-		ret = data;
-		/* ensure "ret" is not mistaken as an error code */
+		if (access_uarea(child, addr, &data, 0) < 0)
+			return -EIO;
+		/* ensure return value is not mistaken for error code */
 		force_successful_syscall_return();
-		goto out_tsk;
+		return data;
 
-	      case PTRACE_POKEUSR:
+	case PTRACE_POKEUSR:
 		/* write the word at addr in the USER area */
-		if (access_uarea(child, addr, &data, 1) < 0) {
-			ret = -EIO;
-			goto out_tsk;
-		}
-		ret = 0;
-		goto out_tsk;
+		if (access_uarea(child, addr, &data, 1) < 0)
+			return -EIO;
+		return 0;
 
-	      case PTRACE_OLD_GETSIGINFO:
+	case PTRACE_OLD_GETSIGINFO:
 		/* for backwards-compatibility */
-		ret = ptrace_request(child, PTRACE_GETSIGINFO, addr, data);
-		goto out_tsk;
+		return ptrace_request(child, PTRACE_GETSIGINFO, addr, data);
 
-	      case PTRACE_OLD_SETSIGINFO:
+	case PTRACE_OLD_SETSIGINFO:
 		/* for backwards-compatibility */
-		ret = ptrace_request(child, PTRACE_SETSIGINFO, addr, data);
-		goto out_tsk;
-
-	      case PTRACE_SYSCALL:
-		/* continue and stop at next (return from) syscall */
-	      case PTRACE_CONT:
-		/* restart after signal. */
-		ret = -EIO;
-		if (!valid_signal(data))
-			goto out_tsk;
-		if (request == PTRACE_SYSCALL)
-			set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		else
-			clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		child->exit_code = data;
+		return ptrace_request(child, PTRACE_SETSIGINFO, addr, data);
 
-		/*
-		 * Make sure the single step/taken-branch trap bits
-		 * are not set:
-		 */
-		clear_tsk_thread_flag(child, TIF_SINGLESTEP);
-		ia64_psr(pt)->ss = 0;
-		ia64_psr(pt)->tb = 0;
+	case PTRACE_GETREGS:
+		return ptrace_getregs(child,
+				      (struct pt_all_user_regs __user *) data);
 
-		wake_up_process(child);
-		ret = 0;
-		goto out_tsk;
+	case PTRACE_SETREGS:
+		return ptrace_setregs(child,
+				      (struct pt_all_user_regs __user *) data);
 
-	      case PTRACE_KILL:
-		/*
-		 * Make the child exit.  Best I can do is send it a
-		 * sigkill.  Perhaps it should be put in the status
-		 * that it wants to exit.
-		 */
-		if (child->exit_state == EXIT_ZOMBIE)
-			/* already dead */
-			goto out_tsk;
-		child->exit_code = SIGKILL;
-
-		ptrace_disable(child);
-		wake_up_process(child);
-		ret = 0;
-		goto out_tsk;
-
-	      case PTRACE_SINGLESTEP:
-		/* let child execute for one instruction */
-	      case PTRACE_SINGLEBLOCK:
-		ret = -EIO;
-		if (!valid_signal(data))
-			goto out_tsk;
-
-		clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		set_tsk_thread_flag(child, TIF_SINGLESTEP);
-		if (request == PTRACE_SINGLESTEP) {
-			ia64_psr(pt)->ss = 1;
-		} else {
-			ia64_psr(pt)->tb = 1;
-		}
-		child->exit_code = data;
-
-		/* give it a chance to run. */
-		wake_up_process(child);
-		ret = 0;
-		goto out_tsk;
-
-	      case PTRACE_DETACH:
-		/* detach a process that was attached. */
-		ret = ptrace_detach(child, data);
-		goto out_tsk;
-
-	      case PTRACE_GETREGS:
-		ret = ptrace_getregs(child,
-				     (struct pt_all_user_regs __user *) data);
-		goto out_tsk;
-
-	      case PTRACE_SETREGS:
-		ret = ptrace_setregs(child,
-				     (struct pt_all_user_regs __user *) data);
-		goto out_tsk;
-
-	      default:
-		ret = ptrace_request(child, request, addr, data);
-		goto out_tsk;
+	default:
+		return ptrace_request(child, request, addr, data);
 	}
-  out_tsk:
-	put_task_struct(child);
-  out:
-	unlock_kernel();
-	return ret;
 }
 
 
diff --git a/arch/ia64/kernel/sal.c b/arch/ia64/kernel/sal.c
index f44fe8412162..a3022dc48ef8 100644
--- a/arch/ia64/kernel/sal.c
+++ b/arch/ia64/kernel/sal.c
@@ -109,6 +109,13 @@ check_versions (struct ia64_sal_systab *systab)
 		sal_revision = SAL_VERSION_CODE(2, 8);
 		sal_version = SAL_VERSION_CODE(0, 0);
 	}
+
+	if (ia64_platform_is("sn2") && (sal_revision == SAL_VERSION_CODE(2, 9)))
+		/*
+		 * SGI Altix has hard-coded version 2.9 in their prom
+		 * but they actually implement 3.2, so let's fix it here.
+		 */
+		sal_revision = SAL_VERSION_CODE(3, 2);
 }
 
 static void __init
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index ebd1a09f3201..4aa9eaea76c3 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -690,7 +690,7 @@ get_model_name(__u8 family, __u8 model)
 	if (overflow++ == 0)
 		printk(KERN_ERR
 		       "%s: Table overflow. Some processor model information will be missing\n",
-		       __FUNCTION__);
+		       __func__);
 	return "Unknown";
 }
 
@@ -785,7 +785,7 @@ get_max_cacheline_size (void)
         status = ia64_pal_cache_summary(&levels, &unique_caches);
         if (status != 0) {
                 printk(KERN_ERR "%s: ia64_pal_cache_summary() failed (status=%ld)\n",
-                       __FUNCTION__, status);
+                       __func__, status);
                 max = SMP_CACHE_BYTES;
 		/* Safest setup for "flush_icache_range()" */
 		ia64_i_cache_stride_shift = I_CACHE_STRIDE_SHIFT;
@@ -798,7 +798,7 @@ get_max_cacheline_size (void)
 		if (status != 0) {
 			printk(KERN_ERR
 			       "%s: ia64_pal_cache_config_info(l=%lu, 2) failed (status=%ld)\n",
-			       __FUNCTION__, l, status);
+			       __func__, l, status);
 			max = SMP_CACHE_BYTES;
 			/* The safest setup for "flush_icache_range()" */
 			cci.pcci_stride = I_CACHE_STRIDE_SHIFT;
@@ -814,7 +814,7 @@ get_max_cacheline_size (void)
 			if (status != 0) {
 				printk(KERN_ERR
 				"%s: ia64_pal_cache_config_info(l=%lu, 1) failed (status=%ld)\n",
-					__FUNCTION__, l, status);
+					__func__, l, status);
 				/* The safest setup for "flush_icache_range()" */
 				cci.pcci_stride = I_CACHE_STRIDE_SHIFT;
 			}
diff --git a/arch/ia64/kernel/signal.c b/arch/ia64/kernel/signal.c
index 309da3567bc8..5740296c35af 100644
--- a/arch/ia64/kernel/signal.c
+++ b/arch/ia64/kernel/signal.c
@@ -342,15 +342,33 @@ setup_frame (int sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *set,
 
 	new_sp = scr->pt.r12;
 	tramp_addr = (unsigned long) __kernel_sigtramp;
-	if ((ka->sa.sa_flags & SA_ONSTACK) && sas_ss_flags(new_sp) == 0) {
-		new_sp = current->sas_ss_sp + current->sas_ss_size;
-		/*
-		 * We need to check for the register stack being on the signal stack
-		 * separately, because it's switched separately (memory stack is switched
-		 * in the kernel, register stack is switched in the signal trampoline).
-		 */
-		if (!rbs_on_sig_stack(scr->pt.ar_bspstore))
-			new_rbs = (current->sas_ss_sp + sizeof(long) - 1) & ~(sizeof(long) - 1);
+	if (ka->sa.sa_flags & SA_ONSTACK) {
+		int onstack = sas_ss_flags(new_sp);
+
+		if (onstack == 0) {
+			new_sp = current->sas_ss_sp + current->sas_ss_size;
+			/*
+			 * We need to check for the register stack being on the
+			 * signal stack separately, because it's switched
+			 * separately (memory stack is switched in the kernel,
+			 * register stack is switched in the signal trampoline).
+			 */
+			if (!rbs_on_sig_stack(scr->pt.ar_bspstore))
+				new_rbs = ALIGN(current->sas_ss_sp,
+						sizeof(long));
+		} else if (onstack == SS_ONSTACK) {
+			unsigned long check_sp;
+
+			/*
+			 * If we are on the alternate signal stack and would
+			 * overflow it, don't. Return an always-bogus address
+			 * instead so we will die with SIGSEGV.
+			 */
+			check_sp = (new_sp - sizeof(*frame)) & -STACK_ALIGN;
+			if (!likely(on_sig_stack(check_sp)))
+				return force_sigsegv_info(sig, (void __user *)
+							  check_sp);
+		}
 	}
 	frame = (void __user *) ((new_sp - sizeof(*frame)) & -STACK_ALIGN);
 
diff --git a/arch/ia64/kernel/unaligned.c b/arch/ia64/kernel/unaligned.c
index 52f70bbc192a..6903361d11a5 100644
--- a/arch/ia64/kernel/unaligned.c
+++ b/arch/ia64/kernel/unaligned.c
@@ -28,7 +28,7 @@ extern int die_if_kernel(char *str, struct pt_regs *regs, long err);
 #undef DEBUG_UNALIGNED_TRAP
 
 #ifdef DEBUG_UNALIGNED_TRAP
-# define DPRINT(a...)	do { printk("%s %u: ", __FUNCTION__, __LINE__); printk (a); } while (0)
+# define DPRINT(a...)	do { printk("%s %u: ", __func__, __LINE__); printk (a); } while (0)
 # define DDUMP(str,vp,len)	dump(str, vp, len)
 
 static void
@@ -674,7 +674,7 @@ emulate_load_updates (update_t type, load_store_t ld, struct pt_regs *regs, unsi
 	 * just in case.
 	 */
 	if (ld.x6_op == 1 || ld.x6_op == 3) {
-		printk(KERN_ERR "%s: register update on speculative load, error\n", __FUNCTION__);
+		printk(KERN_ERR "%s: register update on speculative load, error\n", __func__);
 		if (die_if_kernel("unaligned reference on speculative load with register update\n",
 				  regs, 30))
 			return;
@@ -1104,7 +1104,7 @@ emulate_load_floatpair (unsigned long ifa, load_store_t ld, struct pt_regs *regs
 		 */
 		if (ld.x6_op == 1 || ld.x6_op == 3)
 			printk(KERN_ERR "%s: register update on speculative load pair, error\n",
-			       __FUNCTION__);
+			       __func__);
 
 		setreg(ld.r3, ifa, 0, regs);
 	}
diff --git a/arch/ia64/kernel/unwind.c b/arch/ia64/kernel/unwind.c
index c1bdb5131814..67810b77d998 100644
--- a/arch/ia64/kernel/unwind.c
+++ b/arch/ia64/kernel/unwind.c
@@ -257,7 +257,7 @@ pt_regs_off (unsigned long reg)
 		off = unw.pt_regs_offsets[reg];
 
 	if (off < 0) {
-		UNW_DPRINT(0, "unwind.%s: bad scratch reg r%lu\n", __FUNCTION__, reg);
+		UNW_DPRINT(0, "unwind.%s: bad scratch reg r%lu\n", __func__, reg);
 		off = 0;
 	}
 	return (unsigned long) off;
@@ -268,13 +268,13 @@ get_scratch_regs (struct unw_frame_info *info)
 {
 	if (!info->pt) {
 		/* This should not happen with valid unwind info.  */
-		UNW_DPRINT(0, "unwind.%s: bad unwind info: resetting info->pt\n", __FUNCTION__);
+		UNW_DPRINT(0, "unwind.%s: bad unwind info: resetting info->pt\n", __func__);
 		if (info->flags & UNW_FLAG_INTERRUPT_FRAME)
 			info->pt = (unsigned long) ((struct pt_regs *) info->psp - 1);
 		else
 			info->pt = info->sp - 16;
 	}
-	UNW_DPRINT(3, "unwind.%s: sp 0x%lx pt 0x%lx\n", __FUNCTION__, info->sp, info->pt);
+	UNW_DPRINT(3, "unwind.%s: sp 0x%lx pt 0x%lx\n", __func__, info->sp, info->pt);
 	return (struct pt_regs *) info->pt;
 }
 
@@ -294,7 +294,7 @@ unw_access_gr (struct unw_frame_info *info, int regnum, unsigned long *val, char
 			return 0;
 		}
 		UNW_DPRINT(0, "unwind.%s: trying to access non-existent r%u\n",
-			   __FUNCTION__, regnum);
+			   __func__, regnum);
 		return -1;
 	}
 
@@ -341,7 +341,7 @@ unw_access_gr (struct unw_frame_info *info, int regnum, unsigned long *val, char
 					{
 						UNW_DPRINT(0, "unwind.%s: %p outside of regstk "
 							"[0x%lx-0x%lx)\n",
-							__FUNCTION__, (void *) addr,
+							__func__, (void *) addr,
 							info->regstk.limit,
 							info->regstk.top);
 						return -1;
@@ -374,7 +374,7 @@ unw_access_gr (struct unw_frame_info *info, int regnum, unsigned long *val, char
 		    || (unsigned long) addr >= info->regstk.top)
 		{
 			UNW_DPRINT(0, "unwind.%s: ignoring attempt to access register outside "
-				   "of rbs\n",  __FUNCTION__);
+				   "of rbs\n",  __func__);
 			return -1;
 		}
 		if ((unsigned long) nat_addr >= info->regstk.top)
@@ -385,7 +385,7 @@ unw_access_gr (struct unw_frame_info *info, int regnum, unsigned long *val, char
 	if (write) {
 		if (read_only(addr)) {
 			UNW_DPRINT(0, "unwind.%s: ignoring attempt to write read-only location\n",
-				__FUNCTION__);
+				__func__);
 		} else {
 			*addr = *val;
 			if (*nat)
@@ -427,13 +427,13 @@ unw_access_br (struct unw_frame_info *info, int regnum, unsigned long *val, int
 
 	      default:
 		UNW_DPRINT(0, "unwind.%s: trying to access non-existent b%u\n",
-			   __FUNCTION__, regnum);
+			   __func__, regnum);
 		return -1;
 	}
 	if (write)
 		if (read_only(addr)) {
 			UNW_DPRINT(0, "unwind.%s: ignoring attempt to write read-only location\n",
-				__FUNCTION__);
+				__func__);
 		} else
 			*addr = *val;
 	else
@@ -450,7 +450,7 @@ unw_access_fr (struct unw_frame_info *info, int regnum, struct ia64_fpreg *val,
 
 	if ((unsigned) (regnum - 2) >= 126) {
 		UNW_DPRINT(0, "unwind.%s: trying to access non-existent f%u\n",
-			   __FUNCTION__, regnum);
+			   __func__, regnum);
 		return -1;
 	}
 
@@ -482,7 +482,7 @@ unw_access_fr (struct unw_frame_info *info, int regnum, struct ia64_fpreg *val,
 	if (write)
 		if (read_only(addr)) {
 			UNW_DPRINT(0, "unwind.%s: ignoring attempt to write read-only location\n",
-				__FUNCTION__);
+				__func__);
 		} else
 			*addr = *val;
 	else
@@ -572,14 +572,14 @@ unw_access_ar (struct unw_frame_info *info, int regnum, unsigned long *val, int
 
 	      default:
 		UNW_DPRINT(0, "unwind.%s: trying to access non-existent ar%u\n",
-			   __FUNCTION__, regnum);
+			   __func__, regnum);
 		return -1;
 	}
 
 	if (write) {
 		if (read_only(addr)) {
 			UNW_DPRINT(0, "unwind.%s: ignoring attempt to write read-only location\n",
-				__FUNCTION__);
+				__func__);
 		} else
 			*addr = *val;
 	} else
@@ -600,7 +600,7 @@ unw_access_pr (struct unw_frame_info *info, unsigned long *val, int write)
 	if (write) {
 		if (read_only(addr)) {
 			UNW_DPRINT(0, "unwind.%s: ignoring attempt to write read-only location\n",
-				__FUNCTION__);
+				__func__);
 		} else
 			*addr = *val;
 	} else
@@ -699,7 +699,7 @@ decode_abreg (unsigned char abreg, int memory)
 	      default:
 		break;
 	}
-	UNW_DPRINT(0, "unwind.%s: bad abreg=0x%x\n", __FUNCTION__, abreg);
+	UNW_DPRINT(0, "unwind.%s: bad abreg=0x%x\n", __func__, abreg);
 	return UNW_REG_LC;
 }
 
@@ -739,7 +739,7 @@ spill_next_when (struct unw_reg_info **regp, struct unw_reg_info *lim, unw_word
 			return;
 		}
 	}
-	UNW_DPRINT(0, "unwind.%s: excess spill!\n",  __FUNCTION__);
+	UNW_DPRINT(0, "unwind.%s: excess spill!\n",  __func__);
 }
 
 static inline void
@@ -855,11 +855,11 @@ desc_abi (unsigned char abi, unsigned char context, struct unw_state_record *sr)
 {
 	if (abi == 3 && context == 'i') {
 		sr->flags |= UNW_FLAG_INTERRUPT_FRAME;
-		UNW_DPRINT(3, "unwind.%s: interrupt frame\n",  __FUNCTION__);
+		UNW_DPRINT(3, "unwind.%s: interrupt frame\n",  __func__);
 	}
 	else
 		UNW_DPRINT(0, "unwind%s: ignoring unwabi(abi=0x%x,context=0x%x)\n",
-				__FUNCTION__, abi, context);
+				__func__, abi, context);
 }
 
 static inline void
@@ -1347,7 +1347,7 @@ script_emit (struct unw_script *script, struct unw_insn insn)
 {
 	if (script->count >= UNW_MAX_SCRIPT_LEN) {
 		UNW_DPRINT(0, "unwind.%s: script exceeds maximum size of %u instructions!\n",
-			__FUNCTION__, UNW_MAX_SCRIPT_LEN);
+			__func__, UNW_MAX_SCRIPT_LEN);
 		return;
 	}
 	script->insn[script->count++] = insn;
@@ -1389,7 +1389,7 @@ emit_nat_info (struct unw_state_record *sr, int i, struct unw_script *script)
 
 	      default:
 		UNW_DPRINT(0, "unwind.%s: don't know how to emit nat info for where = %u\n",
-			   __FUNCTION__, r->where);
+			   __func__, r->where);
 		return;
 	}
 	insn.opc = opc;
@@ -1446,7 +1446,7 @@ compile_reg (struct unw_state_record *sr, int i, struct unw_script *script)
 				val = offsetof(struct pt_regs, f6) + 16*(rval - 6);
 			else
 				UNW_DPRINT(0, "unwind.%s: kernel may not touch f%lu\n",
-					   __FUNCTION__, rval);
+					   __func__, rval);
 		}
 		break;
 
@@ -1474,7 +1474,7 @@ compile_reg (struct unw_state_record *sr, int i, struct unw_script *script)
 
 	      default:
 		UNW_DPRINT(0, "unwind%s: register %u has unexpected `where' value of %u\n",
-			   __FUNCTION__, i, r->where);
+			   __func__, i, r->where);
 		break;
 	}
 	insn.opc = opc;
@@ -1547,10 +1547,10 @@ build_script (struct unw_frame_info *info)
 		r->when = UNW_WHEN_NEVER;
 	sr.pr_val = info->pr;
 
-	UNW_DPRINT(3, "unwind.%s: ip 0x%lx\n", __FUNCTION__, ip);
+	UNW_DPRINT(3, "unwind.%s: ip 0x%lx\n", __func__, ip);
 	script = script_new(ip);
 	if (!script) {
-		UNW_DPRINT(0, "unwind.%s: failed to create unwind script\n",  __FUNCTION__);
+		UNW_DPRINT(0, "unwind.%s: failed to create unwind script\n",  __func__);
 		STAT(unw.stat.script.build_time += ia64_get_itc() - start);
 		return NULL;
 	}
@@ -1569,7 +1569,7 @@ build_script (struct unw_frame_info *info)
 	if (!e) {
 		/* no info, return default unwinder (leaf proc, no mem stack, no saved regs)  */
 		UNW_DPRINT(1, "unwind.%s: no unwind info for ip=0x%lx (prev ip=0x%lx)\n",
-			__FUNCTION__, ip, unw.cache[info->prev_script].ip);
+			__func__, ip, unw.cache[info->prev_script].ip);
 		sr.curr.reg[UNW_REG_RP].where = UNW_WHERE_BR;
 		sr.curr.reg[UNW_REG_RP].when = -1;
 		sr.curr.reg[UNW_REG_RP].val = 0;
@@ -1618,13 +1618,13 @@ build_script (struct unw_frame_info *info)
 		sr.curr.reg[UNW_REG_RP].when = -1;
 		sr.curr.reg[UNW_REG_RP].val = sr.return_link_reg;
 		UNW_DPRINT(1, "unwind.%s: using default for rp at ip=0x%lx where=%d val=0x%lx\n",
-			   __FUNCTION__, ip, sr.curr.reg[UNW_REG_RP].where,
+			   __func__, ip, sr.curr.reg[UNW_REG_RP].where,
 			   sr.curr.reg[UNW_REG_RP].val);
 	}
 
 #ifdef UNW_DEBUG
 	UNW_DPRINT(1, "unwind.%s: state record for func 0x%lx, t=%u:\n",
-		__FUNCTION__, table->segment_base + e->start_offset, sr.when_target);
+		__func__, table->segment_base + e->start_offset, sr.when_target);
 	for (r = sr.curr.reg; r < sr.curr.reg + UNW_NUM_REGS; ++r) {
 		if (r->where != UNW_WHERE_NONE || r->when != UNW_WHEN_NEVER) {
 			UNW_DPRINT(1, "  %s <- ", unw.preg_name[r - sr.curr.reg]);
@@ -1746,7 +1746,7 @@ run_script (struct unw_script *script, struct unw_frame_info *state)
 			} else {
 				s[dst] = 0;
 				UNW_DPRINT(0, "unwind.%s: no state->pt, dst=%ld, val=%ld\n",
-					   __FUNCTION__, dst, val);
+					   __func__, dst, val);
 			}
 			break;
 
@@ -1756,7 +1756,7 @@ run_script (struct unw_script *script, struct unw_frame_info *state)
 			else {
 				s[dst] = 0;
 				UNW_DPRINT(0, "unwind.%s: UNW_INSN_MOVE_CONST bad val=%ld\n",
-					   __FUNCTION__, val);
+					   __func__, val);
 			}
 			break;
 
@@ -1791,7 +1791,7 @@ run_script (struct unw_script *script, struct unw_frame_info *state)
 			    || s[val] < TASK_SIZE)
 			{
 				UNW_DPRINT(0, "unwind.%s: rejecting bad psp=0x%lx\n",
-					   __FUNCTION__, s[val]);
+					   __func__, s[val]);
 				break;
 			}
 #endif
@@ -1825,7 +1825,7 @@ find_save_locs (struct unw_frame_info *info)
 	if ((info->ip & (local_cpu_data->unimpl_va_mask | 0xf)) || info->ip < TASK_SIZE) {
 		/* don't let obviously bad addresses pollute the cache */
 		/* FIXME: should really be level 0 but it occurs too often. KAO */
-		UNW_DPRINT(1, "unwind.%s: rejecting bad ip=0x%lx\n", __FUNCTION__, info->ip);
+		UNW_DPRINT(1, "unwind.%s: rejecting bad ip=0x%lx\n", __func__, info->ip);
 		info->rp_loc = NULL;
 		return -1;
 	}
@@ -1838,7 +1838,7 @@ find_save_locs (struct unw_frame_info *info)
 			spin_unlock_irqrestore(&unw.lock, flags);
 			UNW_DPRINT(0,
 				   "unwind.%s: failed to locate/build unwind script for ip %lx\n",
-				   __FUNCTION__, info->ip);
+				   __func__, info->ip);
 			return -1;
 		}
 		have_write_lock = 1;
@@ -1882,21 +1882,21 @@ unw_unwind (struct unw_frame_info *info)
 	if (!unw_valid(info, info->rp_loc)) {
 		/* FIXME: should really be level 0 but it occurs too often. KAO */
 		UNW_DPRINT(1, "unwind.%s: failed to locate return link (ip=0x%lx)!\n",
-			   __FUNCTION__, info->ip);
+			   __func__, info->ip);
 		STAT(unw.stat.api.unwind_time += ia64_get_itc() - start; local_irq_restore(flags));
 		return -1;
 	}
 	/* restore the ip */
 	ip = info->ip = *info->rp_loc;
 	if (ip < GATE_ADDR) {
-		UNW_DPRINT(2, "unwind.%s: reached user-space (ip=0x%lx)\n", __FUNCTION__, ip);
+		UNW_DPRINT(2, "unwind.%s: reached user-space (ip=0x%lx)\n", __func__, ip);
 		STAT(unw.stat.api.unwind_time += ia64_get_itc() - start; local_irq_restore(flags));
 		return -1;
 	}
 
 	/* validate the previous stack frame pointer */
 	if (!unw_valid(info, info->pfs_loc)) {
-		UNW_DPRINT(0, "unwind.%s: failed to locate ar.pfs!\n", __FUNCTION__);
+		UNW_DPRINT(0, "unwind.%s: failed to locate ar.pfs!\n", __func__);
 		STAT(unw.stat.api.unwind_time += ia64_get_itc() - start; local_irq_restore(flags));
 		return -1;
 	}
@@ -1912,13 +1912,13 @@ unw_unwind (struct unw_frame_info *info)
 			num_regs = *info->cfm_loc & 0x7f;		/* size of frame */
 		info->pfs_loc =
 			(unsigned long *) (info->pt + offsetof(struct pt_regs, ar_pfs));
-		UNW_DPRINT(3, "unwind.%s: interrupt_frame pt 0x%lx\n", __FUNCTION__, info->pt);
+		UNW_DPRINT(3, "unwind.%s: interrupt_frame pt 0x%lx\n", __func__, info->pt);
 	} else
 		num_regs = (*info->cfm_loc >> 7) & 0x7f;	/* size of locals */
 	info->bsp = (unsigned long) ia64_rse_skip_regs((unsigned long *) info->bsp, -num_regs);
 	if (info->bsp < info->regstk.limit || info->bsp > info->regstk.top) {
 		UNW_DPRINT(0, "unwind.%s: bsp (0x%lx) out of range [0x%lx-0x%lx]\n",
-			__FUNCTION__, info->bsp, info->regstk.limit, info->regstk.top);
+			__func__, info->bsp, info->regstk.limit, info->regstk.top);
 		STAT(unw.stat.api.unwind_time += ia64_get_itc() - start; local_irq_restore(flags));
 		return -1;
 	}
@@ -1927,14 +1927,14 @@ unw_unwind (struct unw_frame_info *info)
 	info->sp = info->psp;
 	if (info->sp < info->memstk.top || info->sp > info->memstk.limit) {
 		UNW_DPRINT(0, "unwind.%s: sp (0x%lx) out of range [0x%lx-0x%lx]\n",
-			__FUNCTION__, info->sp, info->memstk.top, info->memstk.limit);
+			__func__, info->sp, info->memstk.top, info->memstk.limit);
 		STAT(unw.stat.api.unwind_time += ia64_get_itc() - start; local_irq_restore(flags));
 		return -1;
 	}
 
 	if (info->ip == prev_ip && info->sp == prev_sp && info->bsp == prev_bsp) {
 		UNW_DPRINT(0, "unwind.%s: ip, sp, bsp unchanged; stopping here (ip=0x%lx)\n",
-			   __FUNCTION__, ip);
+			   __func__, ip);
 		STAT(unw.stat.api.unwind_time += ia64_get_itc() - start; local_irq_restore(flags));
 		return -1;
 	}
@@ -1961,7 +1961,7 @@ unw_unwind_to_user (struct unw_frame_info *info)
 		if ((long)((unsigned long)info->task + IA64_STK_OFFSET - sp)
 		    < IA64_PT_REGS_SIZE) {
 			UNW_DPRINT(0, "unwind.%s: ran off the top of the kernel stack\n",
-				   __FUNCTION__);
+				   __func__);
 			break;
 		}
 		if (unw_is_intr_frame(info) &&
@@ -1971,13 +1971,13 @@ unw_unwind_to_user (struct unw_frame_info *info)
 			unw_get_rp(info, &ip);
 			UNW_DPRINT(0, "unwind.%s: failed to read "
 				   "predicate register (ip=0x%lx)\n",
-				__FUNCTION__, ip);
+				__func__, ip);
 			return -1;
 		}
 	} while (unw_unwind(info) >= 0);
 	unw_get_ip(info, &ip);
 	UNW_DPRINT(0, "unwind.%s: failed to unwind to user-level (ip=0x%lx)\n",
-		   __FUNCTION__, ip);
+		   __func__, ip);
 	return -1;
 }
 EXPORT_SYMBOL(unw_unwind_to_user);
@@ -2028,7 +2028,7 @@ init_frame_info (struct unw_frame_info *info, struct task_struct *t,
 		   "  pr     0x%lx\n"
 		   "  sw     0x%lx\n"
 		   "  sp     0x%lx\n",
-		   __FUNCTION__, (unsigned long) t, rbslimit, rbstop, stktop, stklimit,
+		   __func__, (unsigned long) t, rbslimit, rbstop, stktop, stklimit,
 		   info->pr, (unsigned long) info->sw, info->sp);
 	STAT(unw.stat.api.init_time += ia64_get_itc() - start; local_irq_restore(flags));
 }
@@ -2047,7 +2047,7 @@ unw_init_frame_info (struct unw_frame_info *info, struct task_struct *t, struct
 		   "  bsp    0x%lx\n"
 		   "  sol    0x%lx\n"
 		   "  ip     0x%lx\n",
-		   __FUNCTION__, info->bsp, sol, info->ip);
+		   __func__, info->bsp, sol, info->ip);
 	find_save_locs(info);
 }
 
@@ -2058,7 +2058,7 @@ unw_init_from_blocked_task (struct unw_frame_info *info, struct task_struct *t)
 {
 	struct switch_stack *sw = (struct switch_stack *) (t->thread.ksp + 16);
 
-	UNW_DPRINT(1, "unwind.%s\n", __FUNCTION__);
+	UNW_DPRINT(1, "unwind.%s\n", __func__);
 	unw_init_frame_info(info, t, sw);
 }
 EXPORT_SYMBOL(unw_init_from_blocked_task);
@@ -2088,7 +2088,7 @@ unw_add_unwind_table (const char *name, unsigned long segment_base, unsigned lon
 
 	if (end - start <= 0) {
 		UNW_DPRINT(0, "unwind.%s: ignoring attempt to insert empty unwind table\n",
-			   __FUNCTION__);
+			   __func__);
 		return NULL;
 	}
 
@@ -2119,14 +2119,14 @@ unw_remove_unwind_table (void *handle)
 
 	if (!handle) {
 		UNW_DPRINT(0, "unwind.%s: ignoring attempt to remove non-existent unwind table\n",
-			   __FUNCTION__);
+			   __func__);
 		return;
 	}
 
 	table = handle;
 	if (table == &unw.kernel_table) {
 		UNW_DPRINT(0, "unwind.%s: sorry, freeing the kernel's unwind table is a "
-			   "no-can-do!\n", __FUNCTION__);
+			   "no-can-do!\n", __func__);
 		return;
 	}
 
@@ -2139,7 +2139,7 @@ unw_remove_unwind_table (void *handle)
 				break;
 		if (!prev) {
 			UNW_DPRINT(0, "unwind.%s: failed to find unwind table %p\n",
-				   __FUNCTION__, (void *) table);
+				   __func__, (void *) table);
 			spin_unlock_irqrestore(&unw.lock, flags);
 			return;
 		}
@@ -2185,7 +2185,7 @@ create_gate_table (void)
 		}
 
 	if (!punw) {
-		printk("%s: failed to find gate DSO's unwind table!\n", __FUNCTION__);
+		printk("%s: failed to find gate DSO's unwind table!\n", __func__);
 		return 0;
 	}
 
@@ -2202,7 +2202,7 @@ create_gate_table (void)
 	unw.gate_table = kmalloc(size, GFP_KERNEL);
 	if (!unw.gate_table) {
 		unw.gate_table_size = 0;
-		printk(KERN_ERR "%s: unable to create unwind data for gate page!\n", __FUNCTION__);
+		printk(KERN_ERR "%s: unable to create unwind data for gate page!\n", __func__);
 		return 0;
 	}
 	unw.gate_table_size = size;