44 files changed, 251 insertions, 174 deletions

diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h
index e0cabe790ec1..77f906d8cc21 100644
--- a/arch/sparc/include/asm/pgtable_32.h
+++ b/arch/sparc/include/asm/pgtable_32.h
@@ -330,9 +330,9 @@ BTFIXUPDEF_CALL(void, mmu_info, struct seq_file *)
 #define FAULT_CODE_WRITE    0x2
 #define FAULT_CODE_USER     0x4
 
-BTFIXUPDEF_CALL(void, update_mmu_cache, struct vm_area_struct *, unsigned long, pte_t)
+BTFIXUPDEF_CALL(void, update_mmu_cache, struct vm_area_struct *, unsigned long, pte_t *)
 
-#define update_mmu_cache(vma,addr,pte) BTFIXUP_CALL(update_mmu_cache)(vma,addr,pte)
+#define update_mmu_cache(vma,addr,ptep) BTFIXUP_CALL(update_mmu_cache)(vma,addr,ptep)
 
 BTFIXUPDEF_CALL(void, sparc_mapiorange, unsigned int, unsigned long,
     unsigned long, unsigned int)
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index f3cb790fa2ae..f5b5fa76c02d 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -706,7 +706,7 @@ extern unsigned long find_ecache_flush_span(unsigned long size);
 #define mmu_unlockarea(vaddr, len)              do { } while(0)
 
 struct vm_area_struct;
-extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t);
+extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t *);
 
 /* Encode and de-code a swap entry */
 #define __swp_type(entry)       (((entry).val >> PAGE_SHIFT) & 0xffUL)
diff --git a/arch/sparc/include/asm/scatterlist.h b/arch/sparc/include/asm/scatterlist.h
index e580f5581c88..d1120257b033 100644
--- a/arch/sparc/include/asm/scatterlist.h
+++ b/arch/sparc/include/asm/scatterlist.h
@@ -1,27 +1,8 @@
 #ifndef _SPARC_SCATTERLIST_H
 #define _SPARC_SCATTERLIST_H
 
-#include <asm/page.h>
-#include <asm/types.h>
-
-struct scatterlist {
-#ifdef CONFIG_DEBUG_SG
-        unsigned long   sg_magic;
-#endif
-        unsigned long   page_link;
-        unsigned int    offset;
-
-        unsigned int    length;
-
-        dma_addr_t      dma_address;
-        __u32           dma_length;
-};
-
-#define sg_dma_address(sg)      ((sg)->dma_address)
 #define sg_dma_len(sg)          ((sg)->dma_length)
 
-#define ISA_DMA_THRESHOLD       (~0UL)
-
-#define ARCH_HAS_SG_CHAIN
+#include <asm-generic/scatterlist.h>
 
 #endif /* !(_SPARC_SCATTERLIST_H) */
diff --git a/arch/sparc/include/asm/stat.h b/arch/sparc/include/asm/stat.h
index 55db5eca08e2..39327d6a57eb 100644
--- a/arch/sparc/include/asm/stat.h
+++ b/arch/sparc/include/asm/stat.h
@@ -53,8 +53,8 @@ struct stat {
         ino_t           st_ino;
         mode_t          st_mode;
         short           st_nlink;
-        uid_t           st_uid;
-        gid_t           st_gid;
+        uid16_t         st_uid;
+        gid16_t         st_gid;
         unsigned short  st_rdev;
         off_t           st_size;
         time_t          st_atime;
diff --git a/arch/sparc/include/asm/syscall.h b/arch/sparc/include/asm/syscall.h
index 7486c605e23c..025a02ad2e31 100644
--- a/arch/sparc/include/asm/syscall.h
+++ b/arch/sparc/include/asm/syscall.h
@@ -5,6 +5,13 @@
 #include <linux/sched.h>
 #include <asm/ptrace.h>
 
+/*
+ * The syscall table always contains 32 bit pointers since we know that the
+ * address of the function to be called is (way) below 4GB.  So the "int"
+ * type here is what we want [need] for both 32 bit and 64 bit systems.
+ */
+extern const unsigned int sys_call_table[];
+
 /* The system call number is given by the user in %g1 */
 static inline long syscall_get_nr(struct task_struct *task,
                                   struct pt_regs *regs)
diff --git a/arch/sparc/kernel/devices.c b/arch/sparc/kernel/devices.c
index b171ae8de90d..62dc7a021413 100644
--- a/arch/sparc/kernel/devices.c
+++ b/arch/sparc/kernel/devices.c
@@ -59,7 +59,7 @@ static int __cpu_find_by(int (*compare)(int, int, void *), void *compare_arg,
 
         cur_inst = 0;
         for_each_node_by_type(dp, "cpu") {
-                int err = check_cpu_node(dp->node, &cur_inst,
+                int err = check_cpu_node(dp->phandle, &cur_inst,
                                          compare, compare_arg,
                                          prom_node, mid);
                 if (!err) {
@@ -143,6 +143,4 @@ void __init device_scan(void)
 
         if (ARCH_SUN4C)
                 sun4c_probe_memerr_reg();
-
-        return;
 }
diff --git a/arch/sparc/kernel/ftrace.c b/arch/sparc/kernel/ftrace.c
index 29973daa9930..9103a56b39e8 100644
--- a/arch/sparc/kernel/ftrace.c
+++ b/arch/sparc/kernel/ftrace.c
@@ -91,14 +91,3 @@ int __init ftrace_dyn_arch_init(void *data)
         return 0;
 }
 #endif
-
-#ifdef CONFIG_FTRACE_SYSCALLS
-
-extern unsigned int sys_call_table[];
-
-unsigned long __init arch_syscall_addr(int nr)
-{
-        return (unsigned long)sys_call_table[nr];
-}
-
-#endif
diff --git a/arch/sparc/kernel/kstack.h b/arch/sparc/kernel/kstack.h
index 4248d969272f..5247283d1c03 100644
--- a/arch/sparc/kernel/kstack.h
+++ b/arch/sparc/kernel/kstack.h
@@ -11,6 +11,10 @@ static inline bool kstack_valid(struct thread_info *tp, unsigned long sp)
 {
         unsigned long base = (unsigned long) tp;
 
+        /* Stack pointer must be 16-byte aligned.  */
+        if (sp & (16UL - 1))
+                return false;
+
         if (sp >= (base + sizeof(struct thread_info)) &&
             sp <= (base + THREAD_SIZE - sizeof(struct sparc_stackf)))
                 return true;
diff --git a/arch/sparc/kernel/leon_kernel.c b/arch/sparc/kernel/leon_kernel.c
index 87f1760c0aa2..0409d62d8ca2 100644
--- a/arch/sparc/kernel/leon_kernel.c
+++ b/arch/sparc/kernel/leon_kernel.c
@@ -124,7 +124,7 @@ void __init leon_init_timers(irq_handler_t counter_fn)
 
                 if (!(LEON3_BYPASS_LOAD_PA(&leon3_gptimer_regs->config) &
                       (1<<LEON3_GPTIMER_SEPIRQ))) {
-                        prom_printf("irq timer not configured with seperate irqs \n");
+                        prom_printf("irq timer not configured with separate irqs\n");
                         BUG();
                 }
 
diff --git a/arch/sparc/kernel/leon_smp.c b/arch/sparc/kernel/leon_smp.c
index 05c0dadd6371..85787577f683 100644
--- a/arch/sparc/kernel/leon_smp.c
+++ b/arch/sparc/kernel/leon_smp.c
@@ -177,7 +177,7 @@ void __init leon_boot_cpus(void)
         int nrcpu = leon_smp_nrcpus();
         int me = smp_processor_id();
 
-        printk(KERN_INFO "%d:(%d:%d) cpus mpirq at 0x%x \n", (unsigned int)me,
+        printk(KERN_INFO "%d:(%d:%d) cpus mpirq at 0x%x\n", (unsigned int)me,
                (unsigned int)nrcpu, (unsigned int)NR_CPUS,
                (unsigned int)&(leon3_irqctrl_regs->mpstatus));
 
@@ -226,7 +226,7 @@ int __cpuinit leon_boot_one_cpu(int i)
                         break;
                 udelay(200);
         }
-        printk(KERN_INFO "Started CPU %d \n", (unsigned int)i);
+        printk(KERN_INFO "Started CPU %d\n", (unsigned int)i);
 
         if (!(cpu_callin_map[i])) {
                 printk(KERN_ERR "Processor %d is stuck.\n", i);
diff --git a/arch/sparc/kernel/of_device_32.c b/arch/sparc/kernel/of_device_32.c
index 4c26eb59e742..da527b33ebc7 100644
--- a/arch/sparc/kernel/of_device_32.c
+++ b/arch/sparc/kernel/of_device_32.c
@@ -105,7 +105,7 @@ static unsigned long of_bus_sbus_get_flags(const u32 *addr, unsigned long flags)
 
 static int of_bus_ambapp_match(struct device_node *np)
 {
-        return !strcmp(np->name, "ambapp");
+        return !strcmp(np->type, "ambapp");
 }
 
 static void of_bus_ambapp_count_cells(struct device_node *child,
@@ -433,7 +433,7 @@ build_resources:
         if (!parent)
                 dev_set_name(&op->dev, "root");
         else
-                dev_set_name(&op->dev, "%08x", dp->node);
+                dev_set_name(&op->dev, "%08x", dp->phandle);
 
         if (of_device_register(op)) {
                 printk("%s: Could not register of device.\n",
diff --git a/arch/sparc/kernel/of_device_64.c b/arch/sparc/kernel/of_device_64.c
index 0a6f2d1798d1..b3d4cb5d21b3 100644
--- a/arch/sparc/kernel/of_device_64.c
+++ b/arch/sparc/kernel/of_device_64.c
@@ -676,7 +676,7 @@ static struct of_device * __init scan_one_device(struct device_node *dp,
         if (!parent)
                 dev_set_name(&op->dev, "root");
         else
-                dev_set_name(&op->dev, "%08x", dp->node);
+                dev_set_name(&op->dev, "%08x", dp->phandle);
 
         if (of_device_register(op)) {
                 printk("%s: Could not register of device.\n",
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index 539e83f8e087..5ac539a5930f 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -247,6 +247,7 @@ static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm,
                                          struct pci_bus *bus, int devfn)
 {
         struct dev_archdata *sd;
+        struct pci_slot *slot;
         struct of_device *op;
         struct pci_dev *dev;
         const char *type;
@@ -286,6 +287,11 @@ static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm,
         dev->dev.bus = &pci_bus_type;
         dev->devfn = devfn;
         dev->multifunction = 0;         /* maybe a lie? */
+        set_pcie_port_type(dev);
+
+        list_for_each_entry(slot, &dev->bus->slots, list)
+                if (PCI_SLOT(dev->devfn) == slot->number)
+                        dev->slot = slot;
 
         dev->vendor = of_getintprop_default(node, "vendor-id", 0xffff);
         dev->device = of_getintprop_default(node, "device-id", 0xffff);
@@ -322,6 +328,7 @@ static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm,
 
         dev->current_state = 4;         /* unknown power state */
         dev->error_state = pci_channel_io_normal;
+        dev->dma_mask = 0xffffffff;
 
         if (!strcmp(node->name, "pci")) {
                 /* a PCI-PCI bridge */
@@ -715,9 +722,10 @@ void pcibios_update_irq(struct pci_dev *pdev, int irq)
 {
 }
 
-void pcibios_align_resource(void *data, struct resource *res,
-                            resource_size_t size, resource_size_t align)
+resource_size_t pcibios_align_resource(void *data, const struct resource *res,
+                                resource_size_t size, resource_size_t align)
 {
+        return res->start;
 }
 
 int pcibios_enable_device(struct pci_dev *dev, int mask)
@@ -1087,3 +1095,78 @@ static int __init pcibios_init(void)
         return 0;
 }
 subsys_initcall(pcibios_init);
+
+#ifdef CONFIG_SYSFS
+static void __devinit pci_bus_slot_names(struct device_node *node,
+                                         struct pci_bus *bus)
+{
+        const struct pci_slot_names {
+                u32     slot_mask;
+                char    names[0];
+        } *prop;
+        const char *sp;
+        int len, i;
+        u32 mask;
+
+        prop = of_get_property(node, "slot-names", &len);
+        if (!prop)
+                return;
+
+        mask = prop->slot_mask;
+        sp = prop->names;
+
+        if (ofpci_verbose)
+                printk("PCI: Making slots for [%s] mask[0x%02x]\n",
+                       node->full_name, mask);
+
+        i = 0;
+        while (mask) {
+                struct pci_slot *pci_slot;
+                u32 this_bit = 1 << i;
+
+                if (!(mask & this_bit)) {
+                        i++;
+                        continue;
+                }
+
+                if (ofpci_verbose)
+                        printk("PCI: Making slot [%s]\n", sp);
+
+                pci_slot = pci_create_slot(bus, i, sp, NULL);
+                if (IS_ERR(pci_slot))
+                        printk(KERN_ERR "PCI: pci_create_slot returned %ld\n",
+                               PTR_ERR(pci_slot));
+
+                sp += strlen(sp) + 1;
+                mask &= ~this_bit;
+                i++;
+        }
+}
+
+static int __init of_pci_slot_init(void)
+{
+        struct pci_bus *pbus = NULL;
+
+        while ((pbus = pci_find_next_bus(pbus)) != NULL) {
+                struct device_node *node;
+
+                if (pbus->self) {
+                        struct dev_archdata *sd = pbus->self->sysdata;
+
+                        /* PCI->PCI bridge */
+                        node = sd->prom_node;
+                } else {
+                        struct pci_pbm_info *pbm = pbus->sysdata;
+
+                        /* Host PCI controller */
+                        node = pbm->op->node;
+                }
+
+                pci_bus_slot_names(node, pbus);
+        }
+
+        return 0;
+}
+
+module_init(of_pci_slot_init);
+#endif
diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c
index 4e2724ec2bb6..d36a8d391ca0 100644
--- a/arch/sparc/kernel/pcic.c
+++ b/arch/sparc/kernel/pcic.c
@@ -585,8 +585,6 @@ pcic_fill_irq(struct linux_pcic *pcic, struct pci_dev *dev, int node)
                         writew(ivec, pcic->pcic_regs+PCI_INT_SELECT_LO);
                 }
         }
-
-        return;
 }
 
 /*
@@ -768,9 +766,10 @@ char * __devinit pcibios_setup(char *str)
         return str;
 }
 
-void pcibios_align_resource(void *data, struct resource *res,
-                            resource_size_t size, resource_size_t align)
+resource_size_t pcibios_align_resource(void *data, const struct resource *res,
+                                resource_size_t size, resource_size_t align)
 {
+        return res->start;
 }
 
 int pcibios_enable_device(struct pci_dev *pdev, int mask)
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index e856456ec02f..9f2b2bac8b2b 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -980,10 +980,10 @@ static int collect_events(struct perf_event *group, int max_count,
         return n;
 }
 
-static void event_sched_in(struct perf_event *event, int cpu)
+static void event_sched_in(struct perf_event *event)
 {
         event->state = PERF_EVENT_STATE_ACTIVE;
-        event->oncpu = cpu;
+        event->oncpu = smp_processor_id();
         event->tstamp_running += event->ctx->time - event->tstamp_stopped;
         if (is_software_event(event))
                 event->pmu->enable(event);
@@ -991,7 +991,7 @@ static void event_sched_in(struct perf_event *event, int cpu)
 
 int hw_perf_group_sched_in(struct perf_event *group_leader,
                            struct perf_cpu_context *cpuctx,
-                           struct perf_event_context *ctx, int cpu)
+                           struct perf_event_context *ctx)
 {
         struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
         struct perf_event *sub;
@@ -1015,10 +1015,10 @@ int hw_perf_group_sched_in(struct perf_event *group_leader,
 
         cpuctx->active_oncpu += n;
         n = 1;
-        event_sched_in(group_leader, cpu);
+        event_sched_in(group_leader);
         list_for_each_entry(sub, &group_leader->sibling_list, group_entry) {
                 if (sub->state != PERF_EVENT_STATE_OFF) {
-                        event_sched_in(sub, cpu);
+                        event_sched_in(sub);
                         n++;
                 }
         }
diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c
index 2830b415e214..c49865b30719 100644
--- a/arch/sparc/kernel/process_32.c
+++ b/arch/sparc/kernel/process_32.c
@@ -526,7 +526,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
                          * Set some valid stack frames to give to the child.
                          */
                         childstack = (struct sparc_stackf __user *)
-                                (sp & ~0x7UL);
+                                (sp & ~0xfUL);
                         parentstack = (struct sparc_stackf __user *)
                                 regs->u_regs[UREG_FP];
 
diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
index c3f1cce0e95e..cb70476bd8f5 100644
--- a/arch/sparc/kernel/process_64.c
+++ b/arch/sparc/kernel/process_64.c
@@ -398,11 +398,11 @@ static unsigned long clone_stackframe(unsigned long csp, unsigned long psp)
         } else
                 __get_user(fp, &(((struct reg_window32 __user *)psp)->ins[6]));
 
-        /* Now 8-byte align the stack as this is mandatory in the
-         * Sparc ABI due to how register windows work.  This hides
-         * the restriction from thread libraries etc.  -DaveM
+        /* Now align the stack as this is mandatory in the Sparc ABI
+         * due to how register windows work.  This hides the
+         * restriction from thread libraries etc.
          */
-        csp &= ~7UL;
+        csp &= ~15UL;
 
         distance = fp - psp;
         rval = (csp - distance);
diff --git a/arch/sparc/kernel/prom.h b/arch/sparc/kernel/prom.h
index 453397fe5e14..a8591ef2636d 100644
--- a/arch/sparc/kernel/prom.h
+++ b/arch/sparc/kernel/prom.h
@@ -4,9 +4,6 @@
 #include <linux/spinlock.h>
 #include <asm/prom.h>
 
-extern struct device_node *allnodes;    /* temporary while merging */
-extern rwlock_t devtree_lock;   /* temporary while merging */
-
 extern void * prom_early_alloc(unsigned long size);
 extern void irq_trans_init(struct device_node *dp);
 
diff --git a/arch/sparc/kernel/prom_common.c b/arch/sparc/kernel/prom_common.c
index d80a65d9e893..57ac9e28be0c 100644
--- a/arch/sparc/kernel/prom_common.c
+++ b/arch/sparc/kernel/prom_common.c
@@ -37,18 +37,6 @@ EXPORT_SYMBOL(of_console_path);
 char *of_console_options;
 EXPORT_SYMBOL(of_console_options);
 
-struct device_node *of_find_node_by_phandle(phandle handle)
-{
-        struct device_node *np;
-
-        for (np = allnodes; np; np = np->allnext)
-                if (np->node == handle)
-                        break;
-
-        return np;
-}
-EXPORT_SYMBOL(of_find_node_by_phandle);
-
 int of_getintprop_default(struct device_node *np, const char *name, int def)
 {
         struct property *prop;
@@ -89,7 +77,7 @@ int of_set_property(struct device_node *dp, const char *name, void *val, int len
                         void *old_val = prop->value;
                         int ret;
 
-                        ret = prom_setprop(dp->node, name, val, len);
+                        ret = prom_setprop(dp->phandle, name, val, len);
 
                         err = -EINVAL;
                         if (ret >= 0) {
@@ -236,7 +224,7 @@ static struct device_node * __init prom_create_node(phandle node,
 
         dp->name = get_one_property(node, "name");
         dp->type = get_one_property(node, "device_type");
-        dp->node = node;
+        dp->phandle = node;
 
         dp->properties = build_prop_list(node);
 
@@ -313,7 +301,7 @@ void __init prom_build_devicetree(void)
 
         nextp = &allnodes->allnext;
         allnodes->child = prom_build_tree(allnodes,
-                                          prom_getchild(allnodes->node),
+                                          prom_getchild(allnodes->phandle),
                                           &nextp);
         of_console_init();
 
diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c
index 9be2af55c5cd..b22ce6100403 100644
--- a/arch/sparc/kernel/setup_32.c
+++ b/arch/sparc/kernel/setup_32.c
@@ -95,8 +95,6 @@ static void prom_sync_me(void)
                              "nop\n\t"
                              "nop\n\t" : : "r" (prom_tbr));
         local_irq_restore(flags);
-
-        return;
 }
 
 static unsigned int boot_flags __initdata = 0;
diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c
index ba5b09ad6666..ea22cd373c64 100644
--- a/arch/sparc/kernel/signal32.c
+++ b/arch/sparc/kernel/signal32.c
@@ -120,8 +120,8 @@ struct rt_signal_frame32 {
 };
 
 /* Align macros */
-#define SF_ALIGNEDSZ  (((sizeof(struct signal_frame32) + 7) & (~7)))
-#define RT_ALIGNEDSZ  (((sizeof(struct rt_signal_frame32) + 7) & (~7)))
+#define SF_ALIGNEDSZ  (((sizeof(struct signal_frame32) + 15) & (~15)))
+#define RT_ALIGNEDSZ  (((sizeof(struct rt_signal_frame32) + 15) & (~15)))
 
 int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from)
 {
@@ -420,15 +420,17 @@ static void __user *get_sigframe(struct sigaction *sa, struct pt_regs *regs, uns
                         sp = current->sas_ss_sp + current->sas_ss_size;
         }
 
+        sp -= framesize;
+
         /* Always align the stack frame.  This handles two cases.  First,
          * sigaltstack need not be mindful of platform specific stack
          * alignment.  Second, if we took this signal because the stack
          * is not aligned properly, we'd like to take the signal cleanly
          * and report that.
          */
-        sp &= ~7UL;
+        sp &= ~15UL;
 
-        return (void __user *)(sp - framesize);
+        return (void __user *) sp;
 }
 
 static int save_fpu_state32(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c
index 7ce1a1005b1d..9882df92ba0a 100644
--- a/arch/sparc/kernel/signal_32.c
+++ b/arch/sparc/kernel/signal_32.c
@@ -267,15 +267,17 @@ static inline void __user *get_sigframe(struct sigaction *sa, struct pt_regs *re
                         sp = current->sas_ss_sp + current->sas_ss_size;
         }
 
+        sp -= framesize;
+
         /* Always align the stack frame.  This handles two cases.  First,
          * sigaltstack need not be mindful of platform specific stack
          * alignment.  Second, if we took this signal because the stack
          * is not aligned properly, we'd like to take the signal cleanly
          * and report that.
          */
-        sp &= ~7UL;
+        sp &= ~15UL;
 
-        return (void __user *)(sp - framesize);
+        return (void __user *) sp;
 }
 
 static inline int
diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c
index 647afbda7ae1..9fa48c30037e 100644
--- a/arch/sparc/kernel/signal_64.c
+++ b/arch/sparc/kernel/signal_64.c
@@ -353,7 +353,7 @@ segv:
 /* Checks if the fp is valid */
 static int invalid_frame_pointer(void __user *fp, int fplen)
 {
-        if (((unsigned long) fp) & 7)
+        if (((unsigned long) fp) & 15)
                 return 1;
         return 0;
 }
@@ -396,15 +396,17 @@ static inline void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *
                         sp = current->sas_ss_sp + current->sas_ss_size;
         }
 
+        sp -= framesize;
+
         /* Always align the stack frame.  This handles two cases.  First,
          * sigaltstack need not be mindful of platform specific stack
          * alignment.  Second, if we took this signal because the stack
          * is not aligned properly, we'd like to take the signal cleanly
          * and report that.
          */
-        sp &= ~7UL;
+        sp &= ~15UL;
 
-        return (void __user *)(sp - framesize);
+        return (void __user *) sp;
 }
 
 static inline void
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index aa36223497b9..eb14844a0021 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -370,7 +370,7 @@ static int __cpuinit smp_boot_one_cpu(unsigned int cpu)
         } else {
                 struct device_node *dp = of_find_node_by_cpuid(cpu);
 
-                prom_startcpu(dp->node, entry, cookie);
+                prom_startcpu(dp->phandle, entry, cookie);
         }
 
         for (timeout = 0; timeout < 50000; timeout++) {
diff --git a/arch/sparc/kernel/sun4d_smp.c b/arch/sparc/kernel/sun4d_smp.c
index 68791cad7b74..482f2ab92692 100644
--- a/arch/sparc/kernel/sun4d_smp.c
+++ b/arch/sparc/kernel/sun4d_smp.c
@@ -194,7 +194,7 @@ int __cpuinit smp4d_boot_one_cpu(int i)
                         smp_penguin_ctable.reg_size = 0;
 
                         /* whirrr, whirrr, whirrrrrrrrr... */
-                        SMP_PRINTK(("Starting CPU %d at %p \n", i, entry));
+                        SMP_PRINTK(("Starting CPU %d at %p\n", i, entry));
                         local_flush_cache_all();
                         prom_startcpu(cpu_node,
                                       &smp_penguin_ctable, 0, (char *)entry);
diff --git a/arch/sparc/kernel/sys_sparc32.c b/arch/sparc/kernel/sys_sparc32.c
index dc0ac197e7e2..daded3b96398 100644
--- a/arch/sparc/kernel/sys_sparc32.c
+++ b/arch/sparc/kernel/sys_sparc32.c
@@ -43,7 +43,6 @@
 #include <linux/security.h>
 #include <linux/compat.h>
 #include <linux/vfs.h>
-#include <linux/netfilter_ipv4/ip_tables.h>
 #include <linux/ptrace.h>
 
 #include <asm/types.h>
diff --git a/arch/sparc/kernel/tsb.S b/arch/sparc/kernel/tsb.S
index 8c91d9b29a2f..db15d123f054 100644
--- a/arch/sparc/kernel/tsb.S
+++ b/arch/sparc/kernel/tsb.S
@@ -191,10 +191,12 @@ tsb_dtlb_load:
 
 tsb_itlb_load:
         /* Executable bit must be set.  */
-661:    andcc           %g5, _PAGE_EXEC_4U, %g0
-        .section        .sun4v_1insn_patch, "ax"
+661:    sethi           %hi(_PAGE_EXEC_4U), %g4
+        andcc           %g5, %g4, %g0
+        .section        .sun4v_2insn_patch, "ax"
         .word           661b
         andcc           %g5, _PAGE_EXEC_4V, %g0
+        nop
         .previous
 
         be,pn           %xcc, tsb_do_fault
diff --git a/arch/sparc/kernel/unaligned_64.c b/arch/sparc/kernel/unaligned_64.c
index 378ca82b9ccc..ebce43018c49 100644
--- a/arch/sparc/kernel/unaligned_64.c
+++ b/arch/sparc/kernel/unaligned_64.c
@@ -21,6 +21,7 @@
 #include <linux/smp.h>
 #include <linux/bitops.h>
 #include <linux/perf_event.h>
+#include <linux/ratelimit.h>
 #include <asm/fpumacro.h>
 
 enum direction {
@@ -274,13 +275,9 @@ static void kernel_mna_trap_fault(int fixup_tstate_asi)
 
 static void log_unaligned(struct pt_regs *regs)
 {
-        static unsigned long count, last_time;
+        static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 5);
 
-        if (time_after(jiffies, last_time + 5 * HZ))
-                count = 0;
-        if (count < 5) {
-                last_time = jiffies;
-                count++;
+        if (__ratelimit(&ratelimit)) {
                 printk("Kernel unaligned access at TPC[%lx] %pS\n",
                        regs->tpc, (void *) regs->tpc);
         }
@@ -636,7 +633,6 @@ daex:
                 return;
         }
         advance(regs);
-        return;
 }
 
 void handle_stdfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr)
@@ -685,5 +681,4 @@ daex:
                 return;
         }
         advance(regs);
-        return;
 }
diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c
index a3413acb8f12..bd8601601afa 100644
--- a/arch/sparc/mm/fault_32.c
+++ b/arch/sparc/mm/fault_32.c
@@ -35,6 +35,8 @@
 
 extern int prom_node_root;
 
+int show_unhandled_signals = 1;
+
 /* At boot time we determine these two values necessary for setting
  * up the segment maps and page table entries (pte's).
  */
@@ -149,6 +151,45 @@ asmlinkage int lookup_fault(unsigned long pc, unsigned long ret_pc,
         return 0;
 }
 
+static inline void
+show_signal_msg(struct pt_regs *regs, int sig, int code,
+                unsigned long address, struct task_struct *tsk)
+{
+        if (!unhandled_signal(tsk, sig))
+                return;
+
+        if (!printk_ratelimit())
+                return;
+
+        printk("%s%s[%d]: segfault at %lx ip %p (rpc %p) sp %p error %x",
+               task_pid_nr(tsk) > 1 ? KERN_INFO : KERN_EMERG,
+               tsk->comm, task_pid_nr(tsk), address,
+               (void *)regs->pc, (void *)regs->u_regs[UREG_I7],
+               (void *)regs->u_regs[UREG_FP], code);
+
+        print_vma_addr(KERN_CONT " in ", regs->pc);
+
+        printk(KERN_CONT "\n");
+}
+
+static void __do_fault_siginfo(int code, int sig, struct pt_regs *regs,
+                               unsigned long addr)
+{
+        siginfo_t info;
+
+        info.si_signo = sig;
+        info.si_code = code;
+        info.si_errno = 0;
+        info.si_addr = (void __user *) addr;
+        info.si_trapno = 0;
+
+        if (unlikely(show_unhandled_signals))
+                show_signal_msg(regs, sig, info.si_code,
+                                addr, current);
+
+        force_sig_info (sig, &info, current);
+}
+
 extern unsigned long safe_compute_effective_address(struct pt_regs *,
                                                     unsigned int);
 
@@ -168,6 +209,14 @@ static unsigned long compute_si_addr(struct pt_regs *regs, int text_fault)
         return safe_compute_effective_address(regs, insn);
 }
 
+static noinline void do_fault_siginfo(int code, int sig, struct pt_regs *regs,
+                                      int text_fault)
+{
+        unsigned long addr = compute_si_addr(regs, text_fault);
+
+        __do_fault_siginfo(code, sig, regs, addr);
+}
+
 asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write,
                                unsigned long address)
 {
@@ -176,9 +225,8 @@ asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write,
         struct mm_struct *mm = tsk->mm;
         unsigned int fixup;
         unsigned long g2;
-        siginfo_t info;
         int from_user = !(regs->psr & PSR_PS);
-        int fault;
+        int fault, code;
 
         if(text_fault)
                 address = regs->pc;
@@ -195,7 +243,7 @@ asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write,
         if (!ARCH_SUN4C && address >= TASK_SIZE)
                 goto vmalloc_fault;
 
-        info.si_code = SEGV_MAPERR;
+        code = SEGV_MAPERR;
 
         /*
          * If we're in an interrupt or have no user
@@ -229,7 +277,7 @@ asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write,
          * we can handle it..
          */
 good_area:
-        info.si_code = SEGV_ACCERR;
+        code = SEGV_ACCERR;
         if(write) {
                 if(!(vma->vm_flags & VM_WRITE))
                         goto bad_area;
@@ -273,18 +321,8 @@ bad_area:
 
 bad_area_nosemaphore:
         /* User mode accesses just cause a SIGSEGV */
-        if(from_user) {
-#if 0
-                printk("Fault whee %s [%d]: segfaults at %08lx pc=%08lx\n",
-                       tsk->comm, tsk->pid, address, regs->pc);
-#endif
-                info.si_signo = SIGSEGV;
-                info.si_errno = 0;
-                /* info.si_code set above to make clear whether
-                   this was a SEGV_MAPERR or SEGV_ACCERR fault.  */
-                info.si_addr = (void __user *)compute_si_addr(regs, text_fault);
-                info.si_trapno = 0;
-                force_sig_info (SIGSEGV, &info, tsk);
+        if (from_user) {
+                do_fault_siginfo(code, SIGSEGV, regs, text_fault);
                 return;
         }
 
@@ -335,12 +373,7 @@ out_of_memory:
 
 do_sigbus:
         up_read(&mm->mmap_sem);
-        info.si_signo = SIGBUS;
-        info.si_errno = 0;
-        info.si_code = BUS_ADRERR;
-        info.si_addr = (void __user *) compute_si_addr(regs, text_fault);
-        info.si_trapno = 0;
-        force_sig_info (SIGBUS, &info, tsk);
+        do_fault_siginfo(BUS_ADRERR, SIGBUS, regs, text_fault);
         if (!from_user)
                 goto no_context;
 
@@ -378,7 +411,7 @@ asmlinkage void do_sun4c_fault(struct pt_regs *regs, int text_fault, int write,
                                unsigned long address)
 {
         extern void sun4c_update_mmu_cache(struct vm_area_struct *,
-                                           unsigned long,pte_t);
+                                           unsigned long,pte_t *);
         extern pte_t *sun4c_pte_offset_kernel(pmd_t *,unsigned long);
         struct task_struct *tsk = current;
         struct mm_struct *mm = tsk->mm;
@@ -455,7 +488,7 @@ asmlinkage void do_sun4c_fault(struct pt_regs *regs, int text_fault, int write,
                  *       on the CPU and doing a shrink_mmap() on this vma.
                  */
                 sun4c_update_mmu_cache (find_vma(current->mm, address), address,
-                                        *ptep);
+                                        ptep);
         else
                 do_sparc_fault(regs, text_fault, write, address);
 }
@@ -466,14 +499,10 @@ static void force_user_fault(unsigned long address, int write)
         struct vm_area_struct *vma;
         struct task_struct *tsk = current;
         struct mm_struct *mm = tsk->mm;
-        siginfo_t info;
+        int code;
 
-        info.si_code = SEGV_MAPERR;
+        code = SEGV_MAPERR;
 
-#if 0
-        printk("wf<pid=%d,wr=%d,addr=%08lx>\n",
-               tsk->pid, write, address);
-#endif
         down_read(&mm->mmap_sem);
         vma = find_vma(mm, address);
         if(!vma)
@@ -485,7 +514,7 @@ static void force_user_fault(unsigned long address, int write)
         if(expand_stack(vma, address))
                 goto bad_area;
 good_area:
-        info.si_code = SEGV_ACCERR;
+        code = SEGV_ACCERR;
         if(write) {
                 if(!(vma->vm_flags & VM_WRITE))
                         goto bad_area;
@@ -502,27 +531,12 @@ good_area:
         return;
 bad_area:
         up_read(&mm->mmap_sem);
-#if 0
-        printk("Window whee %s [%d]: segfaults at %08lx\n",
-               tsk->comm, tsk->pid, address);
-#endif
-        info.si_signo = SIGSEGV;
-        info.si_errno = 0;
-        /* info.si_code set above to make clear whether
-           this was a SEGV_MAPERR or SEGV_ACCERR fault.  */
-        info.si_addr = (void __user *) address;
-        info.si_trapno = 0;
-        force_sig_info (SIGSEGV, &info, tsk);
+        __do_fault_siginfo(code, SIGSEGV, tsk->thread.kregs, address);
         return;
 
 do_sigbus:
         up_read(&mm->mmap_sem);
-        info.si_signo = SIGBUS;
-        info.si_errno = 0;
-        info.si_code = BUS_ADRERR;
-        info.si_addr = (void __user *) address;
-        info.si_trapno = 0;
-        force_sig_info (SIGBUS, &info, tsk);
+        __do_fault_siginfo(BUS_ADRERR, SIGBUS, tsk->thread.kregs, address);
 }
 
 void window_overflow_fault(void)
diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c
index b9d4ff02b8fc..f92ce56a8b22 100644
--- a/arch/sparc/mm/fault_64.c
+++ b/arch/sparc/mm/fault_64.c
@@ -32,6 +32,8 @@
 #include <asm/sections.h>
 #include <asm/mmu_context.h>
 
+int show_unhandled_signals = 1;
+
 static inline __kprobes int notify_page_fault(struct pt_regs *regs)
 {
         int ret = 0;
@@ -128,22 +130,48 @@ outret:
         return insn;
 }
 
+static inline void
+show_signal_msg(struct pt_regs *regs, int sig, int code,
+                unsigned long address, struct task_struct *tsk)
+{
+        if (!unhandled_signal(tsk, sig))
+                return;
+
+        if (!printk_ratelimit())
+                return;
+
+        printk("%s%s[%d]: segfault at %lx ip %p (rpc %p) sp %p error %x",
+               task_pid_nr(tsk) > 1 ? KERN_INFO : KERN_EMERG,
+               tsk->comm, task_pid_nr(tsk), address,
+               (void *)regs->tpc, (void *)regs->u_regs[UREG_I7],
+               (void *)regs->u_regs[UREG_FP], code);
+
+        print_vma_addr(KERN_CONT " in ", regs->tpc);
+
+        printk(KERN_CONT "\n");
+}
+
 extern unsigned long compute_effective_address(struct pt_regs *, unsigned int, unsigned int);
 
 static void do_fault_siginfo(int code, int sig, struct pt_regs *regs,
                              unsigned int insn, int fault_code)
 {
+        unsigned long addr;
         siginfo_t info;
 
         info.si_code = code;
         info.si_signo = sig;
         info.si_errno = 0;
         if (fault_code & FAULT_CODE_ITLB)
-                info.si_addr = (void __user *) regs->tpc;
+                addr = regs->tpc;
         else
-                info.si_addr = (void __user *)
-                        compute_effective_address(regs, insn, 0);
+                addr = compute_effective_address(regs, insn, 0);
+        info.si_addr = (void __user *) addr;
         info.si_trapno = 0;
+
+        if (unlikely(show_unhandled_signals))
+                show_signal_msg(regs, sig, code, addr, current);
+
         force_sig_info(sig, &info, current);
 }
 
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 1886d37d411b..9245a822a2f1 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -289,12 +289,13 @@ static void flush_dcache(unsigned long pfn)
         }
 }
 
-void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte)
+void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep)
 {
         struct mm_struct *mm;
         struct tsb *tsb;
         unsigned long tag, flags;
         unsigned long tsb_index, tsb_hash_shift;
+        pte_t pte = *ptep;
 
         if (tlb_type != hypervisor) {
                 unsigned long pfn = pte_pfn(pte);
diff --git a/arch/sparc/mm/nosun4c.c b/arch/sparc/mm/nosun4c.c
index 196263f895b7..4e62c27147c4 100644
--- a/arch/sparc/mm/nosun4c.c
+++ b/arch/sparc/mm/nosun4c.c
@@ -62,7 +62,7 @@ pte_t *sun4c_pte_offset_kernel(pmd_t *dir, unsigned long address)
         return NULL;
 }
 
-void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte)
+void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep)
 {
 }
 
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index 367321a030dd..df49b200ca4c 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -694,7 +694,7 @@ extern void tsunami_setup_blockops(void);
  * The following code is a deadwood that may be necessary when
  * we start to make precise page flushes again. --zaitcev
  */
-static void swift_update_mmu_cache(struct vm_area_struct * vma, unsigned long address, pte_t pte)
+static void swift_update_mmu_cache(struct vm_area_struct * vma, unsigned long address, pte_t *ptep)
 {
 #if 0
         static unsigned long last;
@@ -703,10 +703,10 @@ static void swift_update_mmu_cache(struct vm_area_struct * vma, unsigned long ad
 
         if (address == last) {
                 val = srmmu_hwprobe(address);
-                if (val != 0 && pte_val(pte) != val) {
+                if (val != 0 && pte_val(*ptep) != val) {
                         printk("swift_update_mmu_cache: "
                             "addr %lx put %08x probed %08x from %p\n",
-                            address, pte_val(pte), val,
+                            address, pte_val(*ptep), val,
                             __builtin_return_address(0));
                         srmmu_flush_whole_tlb();
                 }
diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c
index a89baf0d875a..18652534b91a 100644
--- a/arch/sparc/mm/sun4c.c
+++ b/arch/sparc/mm/sun4c.c
@@ -1887,7 +1887,7 @@ static void sun4c_check_pgt_cache(int low, int high)
 /* An experiment, turn off by default for now... -DaveM */
 #define SUN4C_PRELOAD_PSEG
 
-void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte)
+void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep)
 {
         unsigned long flags;
         int pseg;
@@ -1929,7 +1929,7 @@ void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, p
                         start += PAGE_SIZE;
                 }
 #ifndef SUN4C_PRELOAD_PSEG
-                sun4c_put_pte(address, pte_val(pte));
+                sun4c_put_pte(address, pte_val(*ptep));
 #endif
                 local_irq_restore(flags);
                 return;
@@ -1940,7 +1940,7 @@ void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, p
                 add_lru(entry);
         }
 
-        sun4c_put_pte(address, pte_val(pte));
+        sun4c_put_pte(address, pte_val(*ptep));
         local_irq_restore(flags);
 }
 
diff --git a/arch/sparc/prom/console_32.c b/arch/sparc/prom/console_32.c
index b3075d73fc19..5340264b78f5 100644
--- a/arch/sparc/prom/console_32.c
+++ b/arch/sparc/prom/console_32.c
@@ -94,5 +94,4 @@ void
 prom_putchar(char c)
 {
         while(prom_nbputchar(c) == -1) ;
-        return;
 }
diff --git a/arch/sparc/prom/console_64.c b/arch/sparc/prom/console_64.c
index e1c3fc87484d..f55d58a8a156 100644
--- a/arch/sparc/prom/console_64.c
+++ b/arch/sparc/prom/console_64.c
@@ -62,7 +62,6 @@ void
 prom_putchar(char c)
 {
         prom_nbputchar(c);
-        return;
 }
 
 void
diff --git a/arch/sparc/prom/devmap.c b/arch/sparc/prom/devmap.c
index 1e517915b0df..46157d2aba0d 100644
--- a/arch/sparc/prom/devmap.c
+++ b/arch/sparc/prom/devmap.c
@@ -50,5 +50,4 @@ prom_unmapio(char *vaddr, unsigned int num_bytes)
         (*(romvec->pv_v2devops.v2_dumb_munmap))(vaddr, num_bytes);
         restore_current();
         spin_unlock_irqrestore(&prom_lock, flags);
-        return;
 }
diff --git a/arch/sparc/prom/devops_32.c b/arch/sparc/prom/devops_32.c
index 9f1a95c91ad1..9c5d4687242a 100644
--- a/arch/sparc/prom/devops_32.c
+++ b/arch/sparc/prom/devops_32.c
@@ -84,6 +84,4 @@ prom_seek(int dhandle, unsigned int seekhi, unsigned int seeklo)
         };
         restore_current();
         spin_unlock_irqrestore(&prom_lock, flags);
-
-        return;
 }
diff --git a/arch/sparc/prom/init_32.c b/arch/sparc/prom/init_32.c
index 6193c33ed4d4..ccb36c7f9b8c 100644
--- a/arch/sparc/prom/init_32.c
+++ b/arch/sparc/prom/init_32.c
@@ -75,5 +75,4 @@ void __init prom_init(struct linux_romvec *rp)
                romvec->pv_romvers, prom_rev);
 
         /* Initialization successful. */
-        return;
 }
diff --git a/arch/sparc/prom/palloc.c b/arch/sparc/prom/palloc.c
index 20be339cc2ce..2e2a88b211fb 100644
--- a/arch/sparc/prom/palloc.c
+++ b/arch/sparc/prom/palloc.c
@@ -40,5 +40,4 @@ prom_free(char *vaddr, unsigned int num_bytes)
 {
         if((prom_vers == PROM_V0) || (num_bytes == 0x0)) return;
         (*(romvec->pv_v2devops.v2_dumb_mem_free))(vaddr, num_bytes);
-        return;
 }
diff --git a/arch/sparc/prom/ranges.c b/arch/sparc/prom/ranges.c
index cd5790853ff6..aeff43e44e45 100644
--- a/arch/sparc/prom/ranges.c
+++ b/arch/sparc/prom/ranges.c
@@ -87,8 +87,6 @@ void __init prom_ranges_init(void)
 
         if(num_obio_ranges)
                 prom_printf("PROMLIB: obio_ranges %d\n", num_obio_ranges);
-
-        return;
 }
 
 void
diff --git a/arch/sparc/prom/segment.c b/arch/sparc/prom/segment.c
index 04fd03a7f926..86a663f1d3c5 100644
--- a/arch/sparc/prom/segment.c
+++ b/arch/sparc/prom/segment.c
@@ -25,5 +25,4 @@ prom_putsegment(int ctx, unsigned long vaddr, int segment)
         (*(romvec->pv_setctxt))(ctx, (char *) vaddr, segment);
         restore_current();
         spin_unlock_irqrestore(&prom_lock, flags);
-        return;
 }
diff --git a/arch/sparc/prom/tree_32.c b/arch/sparc/prom/tree_32.c
index 646d244b1fdb..b21592f8e3fe 100644
--- a/arch/sparc/prom/tree_32.c
+++ b/arch/sparc/prom/tree_32.c
@@ -173,7 +173,6 @@ void prom_getstring(int node, char *prop, char *user_buf, int ubuf_size)
         len = prom_getproperty(node, prop, user_buf, ubuf_size);
         if(len != -1) return;
         user_buf[0] = 0;
-        return;
 }
 EXPORT_SYMBOL(prom_getstring);
 
diff --git a/arch/sparc/prom/tree_64.c b/arch/sparc/prom/tree_64.c
index 8ea73ddc61dc..3c0d2dd9f693 100644
--- a/arch/sparc/prom/tree_64.c
+++ b/arch/sparc/prom/tree_64.c
@@ -154,7 +154,6 @@ void prom_getstring(int node, const char *prop, char *user_buf, int ubuf_size)
         len = prom_getproperty(node, prop, user_buf, ubuf_size);
         if(len != -1) return;
         user_buf[0] = 0;
-        return;
 }
 EXPORT_SYMBOL(prom_getstring);