Merge branch 'master' into next

29 files changed, 144 insertions, 103 deletions

diff --git a/arch/sparc/kernel/ds.c b/arch/sparc/kernel/ds.c
index 57c39843fb2a..90350f838f05 100644
--- a/arch/sparc/kernel/ds.c
+++ b/arch/sparc/kernel/ds.c
@@ -653,7 +653,7 @@ static void __cpuinit dr_cpu_data(struct ds_info *dp,
 		if (cpu_list[i] == CPU_SENTINEL)
 			continue;
 
-		if (cpu_list[i] < NR_CPUS)
+		if (cpu_list[i] < nr_cpu_ids)
 			cpu_set(cpu_list[i], mask);
 	}
 
diff --git a/arch/sparc/kernel/head_32.S b/arch/sparc/kernel/head_32.S
index f0b4b516304f..6b4d8acc4c83 100644
--- a/arch/sparc/kernel/head_32.S
+++ b/arch/sparc/kernel/head_32.S
@@ -72,7 +72,7 @@ sun4e_notsup:
 	.align 4
 
 	/* The Sparc trap table, bootloader gives us control at _start. */
-	.section .text.head,"ax"
+	__HEAD
 	.globl	start, _stext, _start, __stext
 	.globl  trapbase
 _start:   /* danger danger */
@@ -735,7 +735,7 @@ go_to_highmem:
 		 nop
 
 /* The code above should be at beginning and we have to take care about
- * short jumps, as branching to .text.init section from .text is usually
+ * short jumps, as branching to .init.text section from .text is usually
  * impossible */
 		__INIT
 /* Acquire boot time privileged register values, this will help debugging.
diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S
index a46c3a21e26d..91bf4c7f79b9 100644
--- a/arch/sparc/kernel/head_64.S
+++ b/arch/sparc/kernel/head_64.S
@@ -467,7 +467,7 @@ jump_to_sun4u_init:
 	jmpl    %g2 + %g0, %g0
 	 nop
 
-	.section	.text.init.refok
+	__REF
 sun4u_init:
 	BRANCH_IF_SUN4V(g1, sun4v_init)
 
@@ -686,7 +686,7 @@ tlb_fixup_done:
 	 * point.
 	 *
 	 * There used to be enormous complexity wrt. transferring
-	 * over from the firwmare's trap table to the Linux kernel's.
+	 * over from the firmware's trap table to the Linux kernel's.
 	 * For example, there was a chicken & egg problem wrt. building
 	 * the OBP page tables, yet needing to be on the Linux kernel
 	 * trap table (to translate PAGE_OFFSET addresses) in order to
diff --git a/arch/sparc/kernel/irq_32.c b/arch/sparc/kernel/irq_32.c
index 44dd5ee64339..ad800b80c718 100644
--- a/arch/sparc/kernel/irq_32.c
+++ b/arch/sparc/kernel/irq_32.c
@@ -439,7 +439,6 @@ static int request_fast_irq(unsigned int irq,
 	flush_cache_all();
 
 	action->flags = irqflags;
-	cpus_clear(action->mask);
 	action->name = devname;
 	action->dev_id = NULL;
 	action->next = NULL;
@@ -574,7 +573,6 @@ int request_irq(unsigned int irq,
 
 	action->handler = handler;
 	action->flags = irqflags;
-	cpus_clear(action->mask);
 	action->name = devname;
 	action->next = NULL;
 	action->dev_id = dev_id;
diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c
index d0d6a515499a..5deabe921a47 100644
--- a/arch/sparc/kernel/irq_64.c
+++ b/arch/sparc/kernel/irq_64.c
@@ -266,12 +266,12 @@ static int irq_choose_cpu(unsigned int virt_irq)
 		spin_lock_irqsave(&irq_rover_lock, flags);
 
 		while (!cpu_online(irq_rover)) {
-			if (++irq_rover >= NR_CPUS)
+			if (++irq_rover >= nr_cpu_ids)
 				irq_rover = 0;
 		}
 		cpuid = irq_rover;
 		do {
-			if (++irq_rover >= NR_CPUS)
+			if (++irq_rover >= nr_cpu_ids)
 				irq_rover = 0;
 		} while (!cpu_online(irq_rover));
 
diff --git a/arch/sparc/kernel/ldc.c b/arch/sparc/kernel/ldc.c
index 6ce5d2598a09..adf5f273868a 100644
--- a/arch/sparc/kernel/ldc.c
+++ b/arch/sparc/kernel/ldc.c
@@ -1183,8 +1183,7 @@ out_free_txq:
 	free_queue(lp->tx_num_entries, lp->tx_base);
 
 out_free_mssbuf:
-	if (mssbuf)
-		kfree(mssbuf);
+	kfree(mssbuf);
 
 out_free_iommu:
 	ldc_iommu_release(lp);
@@ -1217,8 +1216,7 @@ void ldc_free(struct ldc_channel *lp)
 
 	hlist_del(&lp->list);
 
-	if (lp->mssbuf)
-		kfree(lp->mssbuf);
+	kfree(lp->mssbuf);
 
 	ldc_iommu_release(lp);
 
diff --git a/arch/sparc/kernel/led.c b/arch/sparc/kernel/led.c
index adaaed4ea2fb..00d034ea2164 100644
--- a/arch/sparc/kernel/led.c
+++ b/arch/sparc/kernel/led.c
@@ -126,7 +126,6 @@ static int __init led_init(void)
 	led = proc_create("led", 0, NULL, &led_proc_fops);
 	if (!led)
 		return -ENOMEM;
-	led->owner = THIS_MODULE;
 
 	printk(KERN_INFO
 	       "led: version %s, Lars Kotthoff <metalhead@metalhead.ws>\n",
diff --git a/arch/sparc/kernel/mdesc.c b/arch/sparc/kernel/mdesc.c
index 3f79f0c23a08..f0e6ed23a468 100644
--- a/arch/sparc/kernel/mdesc.c
+++ b/arch/sparc/kernel/mdesc.c
@@ -567,7 +567,7 @@ static void __init report_platform_properties(void)
 			max_cpu = NR_CPUS;
 		}
 		for (i = 0; i < max_cpu; i++)
-			cpu_set(i, cpu_possible_map);
+			set_cpu_possible(i, true);
 	}
 #endif
 
diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c
index f3577223c863..2c0cc72d295b 100644
--- a/arch/sparc/kernel/nmi.c
+++ b/arch/sparc/kernel/nmi.c
@@ -13,6 +13,7 @@
 #include <linux/module.h>
 #include <linux/kprobes.h>
 #include <linux/kernel_stat.h>
+#include <linux/reboot.h>
 #include <linux/slab.h>
 #include <linux/kdebug.h>
 #include <linux/delay.h>
@@ -206,13 +207,33 @@ void nmi_adjust_hz(unsigned int new_hz)
 }
 EXPORT_SYMBOL_GPL(nmi_adjust_hz);
 
+static int nmi_shutdown(struct notifier_block *nb, unsigned long cmd, void *p)
+{
+	on_each_cpu(stop_watchdog, NULL, 1);
+	return 0;
+}
+
+static struct notifier_block nmi_reboot_notifier = {
+	.notifier_call = nmi_shutdown,
+};
+
 int __init nmi_init(void)
 {
+	int err;
+
 	nmi_usable = 1;
 
 	on_each_cpu(start_watchdog, NULL, 1);
 
-	return check_nmi_watchdog();
+	err = check_nmi_watchdog();
+	if (!err) {
+		err = register_reboot_notifier(&nmi_reboot_notifier);
+		if (err) {
+			nmi_usable = 0;
+			on_each_cpu(stop_watchdog, NULL, 1);
+		}
+	}
+	return err;
 }
 
 static int __init setup_nmi_watchdog(char *str)
diff --git a/arch/sparc/kernel/of_device_32.c b/arch/sparc/kernel/of_device_32.c
index 0a83bd737654..c8f14c1dc521 100644
--- a/arch/sparc/kernel/of_device_32.c
+++ b/arch/sparc/kernel/of_device_32.c
@@ -246,8 +246,25 @@ static unsigned long of_bus_pci_get_flags(const u32 *addr, unsigned long flags)
 
 static int of_bus_sbus_match(struct device_node *np)
 {
-	return !strcmp(np->name, "sbus") ||
-		!strcmp(np->name, "sbi");
+	struct device_node *dp = np;
+
+	while (dp) {
+		if (!strcmp(dp->name, "sbus") ||
+		    !strcmp(dp->name, "sbi"))
+			return 1;
+
+		/* Have a look at use_1to1_mapping().  We're trying
+		 * to match SBUS if that's the top-level bus and we
+		 * don't have some intervening real bus that provides
+		 * ranges based translations.
+		 */
+		if (of_find_property(dp, "ranges", NULL) != NULL)
+			break;
+
+		dp = dp->parent;
+	}
+
+	return 0;
 }
 
 static void of_bus_sbus_count_cells(struct device_node *child,
diff --git a/arch/sparc/kernel/of_device_64.c b/arch/sparc/kernel/of_device_64.c
index b4a12c9aa5f8..5ac287ac03de 100644
--- a/arch/sparc/kernel/of_device_64.c
+++ b/arch/sparc/kernel/of_device_64.c
@@ -99,8 +99,7 @@ static inline u64 of_read_addr(const u32 *cell, int size)
 	return r;
 }
 
-static void __init get_cells(struct device_node *dp,
-			     int *addrc, int *sizec)
+static void get_cells(struct device_node *dp, int *addrc, int *sizec)
 {
 	if (addrc)
 		*addrc = of_n_addr_cells(dp);
@@ -301,8 +300,25 @@ static unsigned long of_bus_pci_get_flags(const u32 *addr, unsigned long flags)
 
 static int of_bus_sbus_match(struct device_node *np)
 {
-	return !strcmp(np->name, "sbus") ||
-		!strcmp(np->name, "sbi");
+	struct device_node *dp = np;
+
+	while (dp) {
+		if (!strcmp(dp->name, "sbus") ||
+		    !strcmp(dp->name, "sbi"))
+			return 1;
+
+		/* Have a look at use_1to1_mapping().  We're trying
+		 * to match SBUS if that's the top-level bus and we
+		 * don't have some intervening real bus that provides
+		 * ranges based translations.
+		 */
+		if (of_find_property(dp, "ranges", NULL) != NULL)
+			break;
+
+		dp = dp->parent;
+	}
+
+	return 0;
 }
 
 static void of_bus_sbus_count_cells(struct device_node *child,
diff --git a/arch/sparc/kernel/pci_fire.c b/arch/sparc/kernel/pci_fire.c
index 9462b68f4894..d53f45bc7dda 100644
--- a/arch/sparc/kernel/pci_fire.c
+++ b/arch/sparc/kernel/pci_fire.c
@@ -409,8 +409,8 @@ static void pci_fire_hw_init(struct pci_pbm_info *pbm)
 	upa_writeq(~(u64)0, pbm->pbm_regs + FIRE_PEC_IENAB);
 }
 
-static int __init pci_fire_pbm_init(struct pci_pbm_info *pbm,
-				    struct of_device *op, u32 portid)
+static int __devinit pci_fire_pbm_init(struct pci_pbm_info *pbm,
+				       struct of_device *op, u32 portid)
 {
 	const struct linux_prom64_registers *regs;
 	struct device_node *dp = op->node;
diff --git a/arch/sparc/kernel/pci_psycho.c b/arch/sparc/kernel/pci_psycho.c
index 3b34344082ef..142b9d6984a8 100644
--- a/arch/sparc/kernel/pci_psycho.c
+++ b/arch/sparc/kernel/pci_psycho.c
@@ -365,8 +365,8 @@ static void pbm_config_busmastering(struct pci_pbm_info *pbm)
 	pci_config_write8(addr, 64);
 }
 
-static void __init psycho_scan_bus(struct pci_pbm_info *pbm,
-				   struct device *parent)
+static void __devinit psycho_scan_bus(struct pci_pbm_info *pbm,
+				      struct device *parent)
 {
 	pbm_config_busmastering(pbm);
 	pbm->is_66mhz_capable = 0;
@@ -482,8 +482,8 @@ static void psycho_pbm_strbuf_init(struct pci_pbm_info *pbm,
 #define PSYCHO_MEMSPACE_B	0x180000000UL
 #define PSYCHO_MEMSPACE_SIZE	0x07fffffffUL
 
-static void __init psycho_pbm_init(struct pci_pbm_info *pbm,
-				   struct of_device *op, int is_pbm_a)
+static void __devinit psycho_pbm_init(struct pci_pbm_info *pbm,
+				      struct of_device *op, int is_pbm_a)
 {
 	psycho_pbm_init_common(pbm, op, "PSYCHO", PBM_CHIP_TYPE_PSYCHO);
 	psycho_pbm_strbuf_init(pbm, is_pbm_a);
diff --git a/arch/sparc/kernel/pci_sabre.c b/arch/sparc/kernel/pci_sabre.c
index 713257b6963c..ba6fbeba3e2c 100644
--- a/arch/sparc/kernel/pci_sabre.c
+++ b/arch/sparc/kernel/pci_sabre.c
@@ -402,8 +402,8 @@ static void apb_init(struct pci_bus *sabre_bus)
 	}
 }
 
-static void __init sabre_scan_bus(struct pci_pbm_info *pbm,
-				  struct device *parent)
+static void __devinit sabre_scan_bus(struct pci_pbm_info *pbm,
+				     struct device *parent)
 {
 	static int once;
 
@@ -442,8 +442,8 @@ static void __init sabre_scan_bus(struct pci_pbm_info *pbm,
 	sabre_register_error_handlers(pbm);
 }
 
-static void __init sabre_pbm_init(struct pci_pbm_info *pbm,
-				  struct of_device *op)
+static void __devinit sabre_pbm_init(struct pci_pbm_info *pbm,
+				     struct of_device *op)
 {
 	psycho_pbm_init_common(pbm, op, "SABRE", PBM_CHIP_TYPE_SABRE);
 	pbm->pci_afsr = pbm->controller_regs + SABRE_PIOAFSR;
diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c
index 0ef0ab3d4763..5db5ebed35da 100644
--- a/arch/sparc/kernel/pci_sun4v.c
+++ b/arch/sparc/kernel/pci_sun4v.c
@@ -545,8 +545,8 @@ static const struct dma_ops sun4v_dma_ops = {
 	.sync_sg_for_cpu		= dma_4v_sync_sg_for_cpu,
 };
 
-static void __init pci_sun4v_scan_bus(struct pci_pbm_info *pbm,
-				      struct device *parent)
+static void __devinit pci_sun4v_scan_bus(struct pci_pbm_info *pbm,
+					 struct device *parent)
 {
 	struct property *prop;
 	struct device_node *dp;
@@ -559,8 +559,8 @@ static void __init pci_sun4v_scan_bus(struct pci_pbm_info *pbm,
 	/* XXX register error interrupt handlers XXX */
 }
 
-static unsigned long __init probe_existing_entries(struct pci_pbm_info *pbm,
-						   struct iommu *iommu)
+static unsigned long __devinit probe_existing_entries(struct pci_pbm_info *pbm,
+						      struct iommu *iommu)
 {
 	struct iommu_arena *arena = &iommu->arena;
 	unsigned long i, cnt = 0;
@@ -587,7 +587,7 @@ static unsigned long __init probe_existing_entries(struct pci_pbm_info *pbm,
 	return cnt;
 }
 
-static int __init pci_sun4v_iommu_init(struct pci_pbm_info *pbm)
+static int __devinit pci_sun4v_iommu_init(struct pci_pbm_info *pbm)
 {
 	static const u32 vdma_default[] = { 0x80000000, 0x80000000 };
 	struct iommu *iommu = pbm->iommu;
@@ -889,8 +889,8 @@ static void pci_sun4v_msi_init(struct pci_pbm_info *pbm)
 }
 #endif /* !(CONFIG_PCI_MSI) */
 
-static int __init pci_sun4v_pbm_init(struct pci_pbm_info *pbm,
-				     struct of_device *op, u32 devhandle)
+static int __devinit pci_sun4v_pbm_init(struct pci_pbm_info *pbm,
+					struct of_device *op, u32 devhandle)
 {
 	struct device_node *dp = op->node;
 	int err;
diff --git a/arch/sparc/kernel/power.c b/arch/sparc/kernel/power.c
index ae88f06a7ec4..e2a045c235a1 100644
--- a/arch/sparc/kernel/power.c
+++ b/arch/sparc/kernel/power.c
@@ -23,7 +23,7 @@ static irqreturn_t power_handler(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-static int __init has_button_interrupt(unsigned int irq, struct device_node *dp)
+static int __devinit has_button_interrupt(unsigned int irq, struct device_node *dp)
 {
 	if (irq == 0xffffffff)
 		return 0;
diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c
index f4bee35a1b46..2830b415e214 100644
--- a/arch/sparc/kernel/process_32.c
+++ b/arch/sparc/kernel/process_32.c
@@ -455,7 +455,7 @@ asmlinkage int sparc_do_fork(unsigned long clone_flags,
  */
 extern void ret_from_fork(void);
 
-int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
+int copy_thread(unsigned long clone_flags, unsigned long sp,
 		unsigned long unused,
 		struct task_struct *p, struct pt_regs *regs)
 {
diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
index a73954b87f0a..4041f94e7724 100644
--- a/arch/sparc/kernel/process_64.c
+++ b/arch/sparc/kernel/process_64.c
@@ -561,7 +561,7 @@ asmlinkage long sparc_do_fork(unsigned long clone_flags,
  * Parent -->  %o0 == childs  pid, %o1 == 0
  * Child  -->  %o0 == parents pid, %o1 == 1
  */
-int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
+int copy_thread(unsigned long clone_flags, unsigned long sp,
 		unsigned long unused,
 		struct task_struct *p, struct pt_regs *regs)
 {
diff --git a/arch/sparc/kernel/prom_64.c b/arch/sparc/kernel/prom_64.c
index edecca7b8116..ca55c7012f77 100644
--- a/arch/sparc/kernel/prom_64.c
+++ b/arch/sparc/kernel/prom_64.c
@@ -518,8 +518,8 @@ void __init of_fill_in_cpu_data(void)
 		}
 
 #ifdef CONFIG_SMP
-		cpu_set(cpuid, cpu_present_map);
-		cpu_set(cpuid, cpu_possible_map);
+		set_cpu_present(cpuid, true);
+		set_cpu_possible(cpuid, true);
 #endif
 	}
 
diff --git a/arch/sparc/kernel/smp_32.c b/arch/sparc/kernel/smp_32.c
index 1e5ac4e282e1..132d81fb2616 100644
--- a/arch/sparc/kernel/smp_32.c
+++ b/arch/sparc/kernel/smp_32.c
@@ -70,13 +70,12 @@ void __init smp_cpus_done(unsigned int max_cpus)
 	extern void smp4m_smp_done(void);
 	extern void smp4d_smp_done(void);
 	unsigned long bogosum = 0;
-	int cpu, num;
+	int cpu, num = 0;
 
-	for (cpu = 0, num = 0; cpu < NR_CPUS; cpu++)
-		if (cpu_online(cpu)) {
-			num++;
-			bogosum += cpu_data(cpu).udelay_val;
-		}
+	for_each_online_cpu(cpu) {
+		num++;
+		bogosum += cpu_data(cpu).udelay_val;
+	}
 
 	printk("Total of %d processors activated (%lu.%02lu BogoMIPS).\n",
 		num, bogosum/(500000/HZ),
@@ -144,7 +143,7 @@ void smp_flush_tlb_all(void)
 void smp_flush_cache_mm(struct mm_struct *mm)
 {
 	if(mm->context != NO_CONTEXT) {
-		cpumask_t cpu_mask = mm->cpu_vm_mask;
+		cpumask_t cpu_mask = *mm_cpumask(mm);
 		cpu_clear(smp_processor_id(), cpu_mask);
 		if (!cpus_empty(cpu_mask))
 			xc1((smpfunc_t) BTFIXUP_CALL(local_flush_cache_mm), (unsigned long) mm);
@@ -155,12 +154,13 @@ void smp_flush_cache_mm(struct mm_struct *mm)
 void smp_flush_tlb_mm(struct mm_struct *mm)
 {
 	if(mm->context != NO_CONTEXT) {
-		cpumask_t cpu_mask = mm->cpu_vm_mask;
+		cpumask_t cpu_mask = *mm_cpumask(mm);
 		cpu_clear(smp_processor_id(), cpu_mask);
 		if (!cpus_empty(cpu_mask)) {
 			xc1((smpfunc_t) BTFIXUP_CALL(local_flush_tlb_mm), (unsigned long) mm);
 			if(atomic_read(&mm->mm_users) == 1 && current->active_mm == mm)
-				mm->cpu_vm_mask = cpumask_of_cpu(smp_processor_id());
+				cpumask_copy(mm_cpumask(mm),
+					     cpumask_of(smp_processor_id()));
 		}
 		local_flush_tlb_mm(mm);
 	}
@@ -172,7 +172,7 @@ void smp_flush_cache_range(struct vm_area_struct *vma, unsigned long start,
 	struct mm_struct *mm = vma->vm_mm;
 
 	if (mm->context != NO_CONTEXT) {
-		cpumask_t cpu_mask = mm->cpu_vm_mask;
+		cpumask_t cpu_mask = *mm_cpumask(mm);
 		cpu_clear(smp_processor_id(), cpu_mask);
 		if (!cpus_empty(cpu_mask))
 			xc3((smpfunc_t) BTFIXUP_CALL(local_flush_cache_range), (unsigned long) vma, start, end);
@@ -186,7 +186,7 @@ void smp_flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
 	struct mm_struct *mm = vma->vm_mm;
 
 	if (mm->context != NO_CONTEXT) {
-		cpumask_t cpu_mask = mm->cpu_vm_mask;
+		cpumask_t cpu_mask = *mm_cpumask(mm);
 		cpu_clear(smp_processor_id(), cpu_mask);
 		if (!cpus_empty(cpu_mask))
 			xc3((smpfunc_t) BTFIXUP_CALL(local_flush_tlb_range), (unsigned long) vma, start, end);
@@ -199,7 +199,7 @@ void smp_flush_cache_page(struct vm_area_struct *vma, unsigned long page)
 	struct mm_struct *mm = vma->vm_mm;
 
 	if(mm->context != NO_CONTEXT) {
-		cpumask_t cpu_mask = mm->cpu_vm_mask;
+		cpumask_t cpu_mask = *mm_cpumask(mm);
 		cpu_clear(smp_processor_id(), cpu_mask);
 		if (!cpus_empty(cpu_mask))
 			xc2((smpfunc_t) BTFIXUP_CALL(local_flush_cache_page), (unsigned long) vma, page);
@@ -212,7 +212,7 @@ void smp_flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
 	struct mm_struct *mm = vma->vm_mm;
 
 	if(mm->context != NO_CONTEXT) {
-		cpumask_t cpu_mask = mm->cpu_vm_mask;
+		cpumask_t cpu_mask = *mm_cpumask(mm);
 		cpu_clear(smp_processor_id(), cpu_mask);
 		if (!cpus_empty(cpu_mask))
 			xc2((smpfunc_t) BTFIXUP_CALL(local_flush_tlb_page), (unsigned long) vma, page);
@@ -241,7 +241,7 @@ void smp_flush_page_to_ram(unsigned long page)
 
 void smp_flush_sig_insns(struct mm_struct *mm, unsigned long insn_addr)
 {
-	cpumask_t cpu_mask = mm->cpu_vm_mask;
+	cpumask_t cpu_mask = *mm_cpumask(mm);
 	cpu_clear(smp_processor_id(), cpu_mask);
 	if (!cpus_empty(cpu_mask))
 		xc2((smpfunc_t) BTFIXUP_CALL(local_flush_sig_insns), (unsigned long) mm, insn_addr);
@@ -332,8 +332,8 @@ void __init smp_setup_cpu_possible_map(void)
 	instance = 0;
 	while (!cpu_find_by_instance(instance, NULL, &mid)) {
 		if (mid < NR_CPUS) {
-			cpu_set(mid, cpu_possible_map);
-			cpu_set(mid, cpu_present_map);
+			set_cpu_possible(mid, true);
+			set_cpu_present(mid, true);
 		}
 		instance++;
 	}
@@ -351,8 +351,8 @@ void __init smp_prepare_boot_cpu(void)
 		printk("boot cpu id != 0, this could work but is untested\n");
 
 	current_thread_info()->cpu = cpuid;
-	cpu_set(cpuid, cpu_online_map);
-	cpu_set(cpuid, cpu_possible_map);
+	set_cpu_online(cpuid, true);
+	set_cpu_possible(cpuid, true);
 }
 
 int __cpuinit __cpu_up(unsigned int cpu)
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index 79457f682b5a..f7642e5a94db 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -118,9 +118,9 @@ void __cpuinit smp_callin(void)
 	while (!cpu_isset(cpuid, smp_commenced_mask))
 		rmb();
 
-	ipi_call_lock();
+	ipi_call_lock_irq();
 	cpu_set(cpuid, cpu_online_map);
-	ipi_call_unlock();
+	ipi_call_unlock_irq();
 
 	/* idle thread is expected to have preempt disabled */
 	preempt_disable();
@@ -808,9 +808,9 @@ static void smp_start_sync_tick_client(int cpu)
 
 extern unsigned long xcall_call_function;
 
-void arch_send_call_function_ipi(cpumask_t mask)
+void arch_send_call_function_ipi_mask(const struct cpumask *mask)
 {
-	xcall_deliver((u64) &xcall_call_function, 0, 0, &mask);
+	xcall_deliver((u64) &xcall_call_function, 0, 0, mask);
 }
 
 extern unsigned long xcall_call_function_single;
@@ -850,7 +850,7 @@ static void tsb_sync(void *info)
 
 void smp_tsb_sync(struct mm_struct *mm)
 {
-	smp_call_function_mask(mm->cpu_vm_mask, tsb_sync, mm, 1);
+	smp_call_function_many(mm_cpumask(mm), tsb_sync, mm, 1);
 }
 
 extern unsigned long xcall_flush_tlb_mm;
@@ -1055,13 +1055,13 @@ void smp_flush_tlb_mm(struct mm_struct *mm)
 	int cpu = get_cpu();
 
 	if (atomic_read(&mm->mm_users) == 1) {
-		mm->cpu_vm_mask = cpumask_of_cpu(cpu);
+		cpumask_copy(mm_cpumask(mm), cpumask_of(cpu));
 		goto local_flush_and_out;
 	}
 
 	smp_cross_call_masked(&xcall_flush_tlb_mm,
 			      ctx, 0, 0,
-			      &mm->cpu_vm_mask);
+			      mm_cpumask(mm));
 
 local_flush_and_out:
 	__flush_tlb_mm(ctx, SECONDARY_CONTEXT);
@@ -1075,11 +1075,11 @@ void smp_flush_tlb_pending(struct mm_struct *mm, unsigned long nr, unsigned long
 	int cpu = get_cpu();
 
 	if (mm == current->mm && atomic_read(&mm->mm_users) == 1)
-		mm->cpu_vm_mask = cpumask_of_cpu(cpu);
+		cpumask_copy(mm_cpumask(mm), cpumask_of(cpu));
 	else
 		smp_cross_call_masked(&xcall_flush_tlb_pending,
 				      ctx, nr, (unsigned long) vaddrs,
-				      &mm->cpu_vm_mask);
+				      mm_cpumask(mm));
 
 	__flush_tlb_pending(ctx, nr, vaddrs);
 
diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c
index 3369fef5b4b3..ab036a72de5a 100644
--- a/arch/sparc/kernel/sun4d_irq.c
+++ b/arch/sparc/kernel/sun4d_irq.c
@@ -326,7 +326,6 @@ int sun4d_request_irq(unsigned int irq,
 
 	action->handler = handler;
 	action->flags = irqflags;
-	cpus_clear(action->mask);
 	action->name = devname;
 	action->next = NULL;
 	action->dev_id = dev_id;
diff --git a/arch/sparc/kernel/sun4d_smp.c b/arch/sparc/kernel/sun4d_smp.c
index 50afaed99c8a..54fb02468f0d 100644
--- a/arch/sparc/kernel/sun4d_smp.c
+++ b/arch/sparc/kernel/sun4d_smp.c
@@ -150,7 +150,7 @@ void __cpuinit smp4d_callin(void)
 	spin_lock_irqsave(&sun4d_imsk_lock, flags);
 	cc_set_imsk(cc_get_imsk() & ~0x4000); /* Allow PIL 14 as well */
 	spin_unlock_irqrestore(&sun4d_imsk_lock, flags);
-	cpu_set(cpuid, cpu_online_map);
+	set_cpu_online(cpuid, true);
 
 }
 
@@ -228,11 +228,10 @@ void __init smp4d_smp_done(void)
 	/* setup cpu list for irq rotation */
 	first = 0;
 	prev = &first;
-	for (i = 0; i < NR_CPUS; i++)
-		if (cpu_online(i)) {
-			*prev = i;
-			prev = &cpu_data(i).next;
-		}
+	for_each_online_cpu(i) {
+		*prev = i;
+		prev = &cpu_data(i).next;
+	}
 	*prev = first;
 	local_flush_cache_all();
 
diff --git a/arch/sparc/kernel/sun4m_smp.c b/arch/sparc/kernel/sun4m_smp.c
index 8040376c4890..960b113d0006 100644
--- a/arch/sparc/kernel/sun4m_smp.c
+++ b/arch/sparc/kernel/sun4m_smp.c
@@ -113,7 +113,7 @@ void __cpuinit smp4m_callin(void)
 
 	local_irq_enable();
 
-	cpu_set(cpuid, cpu_online_map);
+	set_cpu_online(cpuid, true);
 }
 
 /*
@@ -186,11 +186,9 @@ void __init smp4m_smp_done(void)
 	/* setup cpu list for irq rotation */
 	first = 0;
 	prev = &first;
-	for (i = 0; i < NR_CPUS; i++) {
-		if (cpu_online(i)) {
-			*prev = i;
-			prev = &cpu_data(i).next;
-		}
+	for_each_online_cpu(i) {
+		*prev = i;
+		prev = &cpu_data(i).next;
 	}
 	*prev = first;
 	local_flush_cache_all();
diff --git a/arch/sparc/kernel/sys_sparc32.c b/arch/sparc/kernel/sys_sparc32.c
index e800503879e4..f5000a460c05 100644
--- a/arch/sparc/kernel/sys_sparc32.c
+++ b/arch/sparc/kernel/sys_sparc32.c
@@ -206,21 +206,12 @@ asmlinkage long compat_sys_fstatat64(unsigned int dfd, char __user *filename,
 		struct compat_stat64 __user * statbuf, int flag)
 {
 	struct kstat stat;
-	int error = -EINVAL;
-
-	if ((flag & ~AT_SYMLINK_NOFOLLOW) != 0)
-		goto out;
-
-	if (flag & AT_SYMLINK_NOFOLLOW)
-		error = vfs_lstat_fd(dfd, filename, &stat);
-	else
-		error = vfs_stat_fd(dfd, filename, &stat);
-
-	if (!error)
-		error = cp_compat_stat64(&stat, statbuf);
+	int error;
 
-out:
-	return error;
+	error = vfs_fstatat(dfd, filename, &stat, flag);
+	if (error)
+		return error;
+	return cp_compat_stat64(&stat, statbuf);
 }
 
 asmlinkage long compat_sys_sysfs(int option, u32 arg1, u32 arg2)
diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S
index dccc95df0c7f..00ec3b15f38c 100644
--- a/arch/sparc/kernel/systbls_32.S
+++ b/arch/sparc/kernel/systbls_32.S
@@ -81,4 +81,4 @@ sys_call_table:
 /*305*/	.long sys_set_mempolicy, sys_kexec_load, sys_move_pages, sys_getcpu, sys_epoll_pwait
 /*310*/	.long sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate
 /*315*/	.long sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1
-/*320*/	.long sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4
+/*320*/	.long sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv, sys_pwritev
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index a8000b1cda74..82b5bf85b9d2 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -82,7 +82,7 @@ sys_call_table32:
 	.word compat_sys_set_mempolicy, compat_sys_kexec_load, compat_sys_move_pages, sys_getcpu, compat_sys_epoll_pwait
 /*310*/	.word compat_sys_utimensat, compat_sys_signalfd, sys_timerfd_create, sys_eventfd, compat_sys_fallocate
 	.word compat_sys_timerfd_settime, compat_sys_timerfd_gettime, compat_sys_signalfd4, sys_eventfd2, sys_epoll_create1
-/*320*/	.word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4
+/*320*/	.word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, compat_sys_preadv, compat_sys_pwritev
 
 #endif /* CONFIG_COMPAT */
 
@@ -156,4 +156,4 @@ sys_call_table:
 	.word sys_set_mempolicy, sys_kexec_load, sys_move_pages, sys_getcpu, sys_epoll_pwait
 /*310*/	.word sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate
 	.word sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1
-/*320*/	.word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4
+/*320*/	.word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv, sys_pwritev
diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c
index db310aa00183..5c12e79b4bdf 100644
--- a/arch/sparc/kernel/time_64.c
+++ b/arch/sparc/kernel/time_64.c
@@ -814,6 +814,11 @@ void udelay(unsigned long usecs)
 }
 EXPORT_SYMBOL(udelay);
 
+static cycle_t clocksource_tick_read(struct clocksource *cs)
+{
+	return tick_ops->get_tick();
+}
+
 void __init time_init(void)
 {
 	unsigned long freq = sparc64_init_timers();
@@ -827,7 +832,7 @@ void __init time_init(void)
 	clocksource_tick.mult =
 		clocksource_hz2mult(freq,
 				    clocksource_tick.shift);
-	clocksource_tick.read = tick_ops->get_tick;
+	clocksource_tick.read = clocksource_tick_read;
 
 	printk("clocksource: mult[%x] shift[%d]\n",
 	       clocksource_tick.mult, clocksource_tick.shift);
diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S
index 76267085b13b..fcbbd000ec08 100644
--- a/arch/sparc/kernel/vmlinux.lds.S
+++ b/arch/sparc/kernel/vmlinux.lds.S
@@ -41,7 +41,7 @@ SECTIONS
 	.text TEXTSTART :
 	{
 		_text = .;
-		*(.text.head)
+		HEAD_TEXT
 		TEXT_TEXT
 		SCHED_TEXT
 		LOCK_TEXT