8 files changed, 80 insertions, 103 deletions

diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index f92602e86607..70ae9d81870e 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -43,6 +43,7 @@ config SPARC64
         select HAVE_KPROBES
         select HAVE_RCU_TABLE_FREE if SMP
         select HAVE_MEMBLOCK
+        select HAVE_MEMBLOCK_NODE_MAP
         select HAVE_SYSCALL_WRAPPERS
         select HAVE_DYNAMIC_FTRACE
         select HAVE_FTRACE_MCOUNT_RECORD
@@ -352,9 +353,6 @@ config NODES_SPAN_OTHER_NODES
         def_bool y
         depends on NEED_MULTIPLE_NODES
 
-config ARCH_POPULATES_NODE_MAP
-        def_bool y if SPARC64
-
 config ARCH_SELECT_MEMORY_MODEL
         def_bool y if SPARC64
 
diff --git a/arch/sparc/include/asm/memblock.h b/arch/sparc/include/asm/memblock.h
deleted file mode 100644
index c67b047ef85e..000000000000
--- a/arch/sparc/include/asm/memblock.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef _SPARC64_MEMBLOCK_H
-#define _SPARC64_MEMBLOCK_H
-
-#include <asm/oplib.h>
-
-#define MEMBLOCK_DBG(fmt...) prom_printf(fmt)
-
-#endif /* !(_SPARC64_MEMBLOCK_H) */
diff --git a/arch/sparc/include/asm/socket.h b/arch/sparc/include/asm/socket.h
index 9d3fefcff2f5..8af1b64168b3 100644
--- a/arch/sparc/include/asm/socket.h
+++ b/arch/sparc/include/asm/socket.h
@@ -58,6 +58,9 @@
 
 #define SO_RXQ_OVFL             0x0024
 
+#define SO_WIFI_STATUS          0x0025
+#define SCM_WIFI_STATUS         SO_WIFI_STATUS
+
 /* Security levels - as per NRL IPv6 - don't actually do anything */
 #define SO_SECURITY_AUTHENTICATION              0x5001
 #define SO_SECURITY_ENCRYPTION_TRANSPORT        0x5002
diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
index 3739a06a76cb..39d8b05201a2 100644
--- a/arch/sparc/kernel/process_64.c
+++ b/arch/sparc/kernel/process_64.c
@@ -95,12 +95,14 @@ void cpu_idle(void)
         set_thread_flag(TIF_POLLING_NRFLAG);
 
         while(1) {
-                tick_nohz_stop_sched_tick(1);
+                tick_nohz_idle_enter();
+                rcu_idle_enter();
 
                 while (!need_resched() && !cpu_is_offline(cpu))
                         sparc64_yield(cpu);
 
-                tick_nohz_restart_sched_tick();
+                rcu_idle_exit();
+                tick_nohz_idle_exit();
 
                 preempt_enable_no_resched();
 
diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c
index fe1e3fc31bc5..ffb883ddd0f0 100644
--- a/arch/sparc/kernel/setup_32.c
+++ b/arch/sparc/kernel/setup_32.c
@@ -84,7 +84,7 @@ static void prom_sync_me(void)
 
         prom_printf("PROM SYNC COMMAND...\n");
         show_free_areas(0);
-        if(current->pid != 0) {
+        if (!is_idle_task(current)) {
                 local_irq_enable();
                 sys_sync();
                 local_irq_disable();
diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c
index 441521ad8a3f..232df9949530 100644
--- a/arch/sparc/kernel/sys_sparc_64.c
+++ b/arch/sparc/kernel/sys_sparc_64.c
@@ -368,11 +368,11 @@ static unsigned long mmap_rnd(void)
         if (current->flags & PF_RANDOMIZE) {
                 unsigned long val = get_random_int();
                 if (test_thread_flag(TIF_32BIT))
-                        rnd = (val % (1UL << (22UL-PAGE_SHIFT)));
+                        rnd = (val % (1UL << (23UL-PAGE_SHIFT)));
                 else
-                        rnd = (val % (1UL << (29UL-PAGE_SHIFT)));
+                        rnd = (val % (1UL << (30UL-PAGE_SHIFT)));
         }
-        return (rnd << PAGE_SHIFT) * 2;
+        return rnd << PAGE_SHIFT;
 }
 
 void arch_pick_mmap_layout(struct mm_struct *mm)
diff --git a/arch/sparc/kernel/sysfs.c b/arch/sparc/kernel/sysfs.c
index 7408201d7efb..654e8aad3bbe 100644
--- a/arch/sparc/kernel/sysfs.c
+++ b/arch/sparc/kernel/sysfs.c
@@ -3,7 +3,7 @@
  * Copyright (C) 2007 David S. Miller <davem@davemloft.net>
  */
 #include <linux/sched.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
 #include <linux/cpu.h>
 #include <linux/smp.h>
 #include <linux/percpu.h>
@@ -16,13 +16,13 @@
 static DEFINE_PER_CPU(struct hv_mmu_statistics, mmu_stats) __attribute__((aligned(64)));
 
 #define SHOW_MMUSTAT_ULONG(NAME) \
-static ssize_t show_##NAME(struct sys_device *dev, \
-                        struct sysdev_attribute *attr, char *buf) \
+static ssize_t show_##NAME(struct device *dev, \
+                        struct device_attribute *attr, char *buf) \
 { \
         struct hv_mmu_statistics *p = &per_cpu(mmu_stats, dev->id); \
         return sprintf(buf, "%lu\n", p->NAME); \
 } \
-static SYSDEV_ATTR(NAME, 0444, show_##NAME, NULL)
+static DEVICE_ATTR(NAME, 0444, show_##NAME, NULL)
 
 SHOW_MMUSTAT_ULONG(immu_tsb_hits_ctx0_8k_tte);
 SHOW_MMUSTAT_ULONG(immu_tsb_ticks_ctx0_8k_tte);
@@ -58,38 +58,38 @@ SHOW_MMUSTAT_ULONG(dmmu_tsb_hits_ctxnon0_256mb_tte);
 SHOW_MMUSTAT_ULONG(dmmu_tsb_ticks_ctxnon0_256mb_tte);
 
 static struct attribute *mmu_stat_attrs[] = {
-        &attr_immu_tsb_hits_ctx0_8k_tte.attr,
-        &attr_immu_tsb_ticks_ctx0_8k_tte.attr,
-        &attr_immu_tsb_hits_ctx0_64k_tte.attr,
-        &attr_immu_tsb_ticks_ctx0_64k_tte.attr,
-        &attr_immu_tsb_hits_ctx0_4mb_tte.attr,
-        &attr_immu_tsb_ticks_ctx0_4mb_tte.attr,
-        &attr_immu_tsb_hits_ctx0_256mb_tte.attr,
-        &attr_immu_tsb_ticks_ctx0_256mb_tte.attr,
-        &attr_immu_tsb_hits_ctxnon0_8k_tte.attr,
-        &attr_immu_tsb_ticks_ctxnon0_8k_tte.attr,
-        &attr_immu_tsb_hits_ctxnon0_64k_tte.attr,
-        &attr_immu_tsb_ticks_ctxnon0_64k_tte.attr,
-        &attr_immu_tsb_hits_ctxnon0_4mb_tte.attr,
-        &attr_immu_tsb_ticks_ctxnon0_4mb_tte.attr,
-        &attr_immu_tsb_hits_ctxnon0_256mb_tte.attr,
-        &attr_immu_tsb_ticks_ctxnon0_256mb_tte.attr,
-        &attr_dmmu_tsb_hits_ctx0_8k_tte.attr,
-        &attr_dmmu_tsb_ticks_ctx0_8k_tte.attr,
-        &attr_dmmu_tsb_hits_ctx0_64k_tte.attr,
-        &attr_dmmu_tsb_ticks_ctx0_64k_tte.attr,
-        &attr_dmmu_tsb_hits_ctx0_4mb_tte.attr,
-        &attr_dmmu_tsb_ticks_ctx0_4mb_tte.attr,
-        &attr_dmmu_tsb_hits_ctx0_256mb_tte.attr,
-        &attr_dmmu_tsb_ticks_ctx0_256mb_tte.attr,
-        &attr_dmmu_tsb_hits_ctxnon0_8k_tte.attr,
-        &attr_dmmu_tsb_ticks_ctxnon0_8k_tte.attr,
-        &attr_dmmu_tsb_hits_ctxnon0_64k_tte.attr,
-        &attr_dmmu_tsb_ticks_ctxnon0_64k_tte.attr,
-        &attr_dmmu_tsb_hits_ctxnon0_4mb_tte.attr,
-        &attr_dmmu_tsb_ticks_ctxnon0_4mb_tte.attr,
-        &attr_dmmu_tsb_hits_ctxnon0_256mb_tte.attr,
-        &attr_dmmu_tsb_ticks_ctxnon0_256mb_tte.attr,
+        &dev_attr_immu_tsb_hits_ctx0_8k_tte.attr,
+        &dev_attr_immu_tsb_ticks_ctx0_8k_tte.attr,
+        &dev_attr_immu_tsb_hits_ctx0_64k_tte.attr,
+        &dev_attr_immu_tsb_ticks_ctx0_64k_tte.attr,
+        &dev_attr_immu_tsb_hits_ctx0_4mb_tte.attr,
+        &dev_attr_immu_tsb_ticks_ctx0_4mb_tte.attr,
+        &dev_attr_immu_tsb_hits_ctx0_256mb_tte.attr,
+        &dev_attr_immu_tsb_ticks_ctx0_256mb_tte.attr,
+        &dev_attr_immu_tsb_hits_ctxnon0_8k_tte.attr,
+        &dev_attr_immu_tsb_ticks_ctxnon0_8k_tte.attr,
+        &dev_attr_immu_tsb_hits_ctxnon0_64k_tte.attr,
+        &dev_attr_immu_tsb_ticks_ctxnon0_64k_tte.attr,
+        &dev_attr_immu_tsb_hits_ctxnon0_4mb_tte.attr,
+        &dev_attr_immu_tsb_ticks_ctxnon0_4mb_tte.attr,
+        &dev_attr_immu_tsb_hits_ctxnon0_256mb_tte.attr,
+        &dev_attr_immu_tsb_ticks_ctxnon0_256mb_tte.attr,
+        &dev_attr_dmmu_tsb_hits_ctx0_8k_tte.attr,
+        &dev_attr_dmmu_tsb_ticks_ctx0_8k_tte.attr,
+        &dev_attr_dmmu_tsb_hits_ctx0_64k_tte.attr,
+        &dev_attr_dmmu_tsb_ticks_ctx0_64k_tte.attr,
+        &dev_attr_dmmu_tsb_hits_ctx0_4mb_tte.attr,
+        &dev_attr_dmmu_tsb_ticks_ctx0_4mb_tte.attr,
+        &dev_attr_dmmu_tsb_hits_ctx0_256mb_tte.attr,
+        &dev_attr_dmmu_tsb_ticks_ctx0_256mb_tte.attr,
+        &dev_attr_dmmu_tsb_hits_ctxnon0_8k_tte.attr,
+        &dev_attr_dmmu_tsb_ticks_ctxnon0_8k_tte.attr,
+        &dev_attr_dmmu_tsb_hits_ctxnon0_64k_tte.attr,
+        &dev_attr_dmmu_tsb_ticks_ctxnon0_64k_tte.attr,
+        &dev_attr_dmmu_tsb_hits_ctxnon0_4mb_tte.attr,
+        &dev_attr_dmmu_tsb_ticks_ctxnon0_4mb_tte.attr,
+        &dev_attr_dmmu_tsb_hits_ctxnon0_256mb_tte.attr,
+        &dev_attr_dmmu_tsb_ticks_ctxnon0_256mb_tte.attr,
         NULL,
 };
 
@@ -139,15 +139,15 @@ static unsigned long write_mmustat_enable(unsigned long val)
         return sun4v_mmustat_conf(ra, &orig_ra);
 }
 
-static ssize_t show_mmustat_enable(struct sys_device *s,
-                                struct sysdev_attribute *attr, char *buf)
+static ssize_t show_mmustat_enable(struct device *s,
+                                struct device_attribute *attr, char *buf)
 {
         unsigned long val = run_on_cpu(s->id, read_mmustat_enable, 0);
         return sprintf(buf, "%lx\n", val);
 }
 
-static ssize_t store_mmustat_enable(struct sys_device *s,
-                        struct sysdev_attribute *attr, const char *buf,
+static ssize_t store_mmustat_enable(struct device *s,
+                        struct device_attribute *attr, const char *buf,
                         size_t count)
 {
         unsigned long val, err;
@@ -163,39 +163,39 @@ static ssize_t store_mmustat_enable(struct sys_device *s,
         return count;
 }
 
-static SYSDEV_ATTR(mmustat_enable, 0644, show_mmustat_enable, store_mmustat_enable);
+static DEVICE_ATTR(mmustat_enable, 0644, show_mmustat_enable, store_mmustat_enable);
 
 static int mmu_stats_supported;
 
-static int register_mmu_stats(struct sys_device *s)
+static int register_mmu_stats(struct device *s)
 {
         if (!mmu_stats_supported)
                 return 0;
-        sysdev_create_file(s, &attr_mmustat_enable);
+        device_create_file(s, &dev_attr_mmustat_enable);
         return sysfs_create_group(&s->kobj, &mmu_stat_group);
 }
 
 #ifdef CONFIG_HOTPLUG_CPU
-static void unregister_mmu_stats(struct sys_device *s)
+static void unregister_mmu_stats(struct device *s)
 {
         if (!mmu_stats_supported)
                 return;
         sysfs_remove_group(&s->kobj, &mmu_stat_group);
-        sysdev_remove_file(s, &attr_mmustat_enable);
+        device_remove_file(s, &dev_attr_mmustat_enable);
 }
 #endif
 
 #define SHOW_CPUDATA_ULONG_NAME(NAME, MEMBER) \
-static ssize_t show_##NAME(struct sys_device *dev, \
-                struct sysdev_attribute *attr, char *buf) \
+static ssize_t show_##NAME(struct device *dev, \
+                struct device_attribute *attr, char *buf) \
 { \
         cpuinfo_sparc *c = &cpu_data(dev->id); \
         return sprintf(buf, "%lu\n", c->MEMBER); \
 }
 
 #define SHOW_CPUDATA_UINT_NAME(NAME, MEMBER) \
-static ssize_t show_##NAME(struct sys_device *dev, \
-                struct sysdev_attribute *attr, char *buf) \
+static ssize_t show_##NAME(struct device *dev, \
+                struct device_attribute *attr, char *buf) \
 { \
         cpuinfo_sparc *c = &cpu_data(dev->id); \
         return sprintf(buf, "%u\n", c->MEMBER); \
@@ -209,14 +209,14 @@ SHOW_CPUDATA_UINT_NAME(l1_icache_line_size, icache_line_size);
 SHOW_CPUDATA_UINT_NAME(l2_cache_size, ecache_size);
 SHOW_CPUDATA_UINT_NAME(l2_cache_line_size, ecache_line_size);
 
-static struct sysdev_attribute cpu_core_attrs[] = {
-        _SYSDEV_ATTR(clock_tick,          0444, show_clock_tick, NULL),
-        _SYSDEV_ATTR(l1_dcache_size,      0444, show_l1_dcache_size, NULL),
-        _SYSDEV_ATTR(l1_dcache_line_size, 0444, show_l1_dcache_line_size, NULL),
-        _SYSDEV_ATTR(l1_icache_size,      0444, show_l1_icache_size, NULL),
-        _SYSDEV_ATTR(l1_icache_line_size, 0444, show_l1_icache_line_size, NULL),
-        _SYSDEV_ATTR(l2_cache_size,       0444, show_l2_cache_size, NULL),
-        _SYSDEV_ATTR(l2_cache_line_size,  0444, show_l2_cache_line_size, NULL),
+static struct device_attribute cpu_core_attrs[] = {
+        __ATTR(clock_tick,          0444, show_clock_tick, NULL),
+        __ATTR(l1_dcache_size,      0444, show_l1_dcache_size, NULL),
+        __ATTR(l1_dcache_line_size, 0444, show_l1_dcache_line_size, NULL),
+        __ATTR(l1_icache_size,      0444, show_l1_icache_size, NULL),
+        __ATTR(l1_icache_line_size, 0444, show_l1_icache_line_size, NULL),
+        __ATTR(l2_cache_size,       0444, show_l2_cache_size, NULL),
+        __ATTR(l2_cache_line_size,  0444, show_l2_cache_line_size, NULL),
 };
 
 static DEFINE_PER_CPU(struct cpu, cpu_devices);
@@ -224,11 +224,11 @@ static DEFINE_PER_CPU(struct cpu, cpu_devices);
 static void register_cpu_online(unsigned int cpu)
 {
         struct cpu *c = &per_cpu(cpu_devices, cpu);
-        struct sys_device *s = &c->sysdev;
+        struct device *s = &c->dev;
         int i;
 
         for (i = 0; i < ARRAY_SIZE(cpu_core_attrs); i++)
-                sysdev_create_file(s, &cpu_core_attrs[i]);
+                device_create_file(s, &cpu_core_attrs[i]);
 
         register_mmu_stats(s);
 }
@@ -237,12 +237,12 @@ static void register_cpu_online(unsigned int cpu)
 static void unregister_cpu_online(unsigned int cpu)
 {
         struct cpu *c = &per_cpu(cpu_devices, cpu);
-        struct sys_device *s = &c->sysdev;
+        struct device *s = &c->dev;
         int i;
 
         unregister_mmu_stats(s);
         for (i = 0; i < ARRAY_SIZE(cpu_core_attrs); i++)
-                sysdev_remove_file(s, &cpu_core_attrs[i]);
+                device_remove_file(s, &cpu_core_attrs[i]);
 }
 #endif
 
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 8e073d802139..b3f5e7dfea51 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -790,7 +790,7 @@ static int find_node(unsigned long addr)
         return -1;
 }
 
-u64 memblock_nid_range(u64 start, u64 end, int *nid)
+static u64 memblock_nid_range(u64 start, u64 end, int *nid)
 {
         *nid = find_node(start);
         start += PAGE_SIZE;
@@ -808,7 +808,7 @@ u64 memblock_nid_range(u64 start, u64 end, int *nid)
         return start;
 }
 #else
-u64 memblock_nid_range(u64 start, u64 end, int *nid)
+static u64 memblock_nid_range(u64 start, u64 end, int *nid)
 {
         *nid = 0;
         return end;
@@ -816,7 +816,7 @@ u64 memblock_nid_range(u64 start, u64 end, int *nid)
 #endif
 
 /* This must be invoked after performing all of the necessary
- * add_active_range() calls for 'nid'.  We need to be able to get
+ * memblock_set_node() calls for 'nid'.  We need to be able to get
  * correct data from get_pfn_range_for_nid().
  */
 static void __init allocate_node_data(int nid)
@@ -987,14 +987,11 @@ static void __init add_node_ranges(void)
 
                         this_end = memblock_nid_range(start, end, &nid);
 
-                        numadbg("Adding active range nid[%d] "
+                        numadbg("Setting memblock NUMA node nid[%d] "
                                 "start[%lx] end[%lx]\n",
                                 nid, start, this_end);
 
-                        add_active_range(nid,
-                                         start >> PAGE_SHIFT,
-                                         this_end >> PAGE_SHIFT);
-
+                        memblock_set_node(start, this_end - start, nid);
                         start = this_end;
                 }
         }
@@ -1282,7 +1279,6 @@ static void __init bootmem_init_nonnuma(void)
 {
         unsigned long top_of_ram = memblock_end_of_DRAM();
         unsigned long total_ram = memblock_phys_mem_size();
-        struct memblock_region *reg;
 
         numadbg("bootmem_init_nonnuma()\n");
 
@@ -1292,20 +1288,8 @@ static void __init bootmem_init_nonnuma(void)
                (top_of_ram - total_ram) >> 20);
 
         init_node_masks_nonnuma();
-
-        for_each_memblock(memory, reg) {
-                unsigned long start_pfn, end_pfn;
-
-                if (!reg->size)
-                        continue;
-
-                start_pfn = memblock_region_memory_base_pfn(reg);
-                end_pfn = memblock_region_memory_end_pfn(reg);
-                add_active_range(0, start_pfn, end_pfn);
-        }
-
+        memblock_set_node(0, (phys_addr_t)ULLONG_MAX, 0);
         allocate_node_data(0);
-
         node_set_online(0);
 }
 
@@ -1769,8 +1753,6 @@ void __init paging_init(void)
                 sun4v_ktsb_init();
         }
 
-        memblock_init();
-
         /* Find available physical memory...
          *
          * Read it twice in order to work around a bug in openfirmware.
@@ -1796,7 +1778,7 @@ void __init paging_init(void)
 
         memblock_enforce_memory_limit(cmdline_memory_size);
 
-        memblock_analyze();
+        memblock_allow_resize();
         memblock_dump_all();
 
         set_bit(0, mmu_context_bmap);