diff options
Diffstat (limited to 'arch/powerpc')
-rw-r--r-- | arch/powerpc/kernel/crash.c | 2 | ||||
-rw-r--r-- | arch/powerpc/kernel/machine_kexec_32.c | 4 | ||||
-rw-r--r-- | arch/powerpc/kernel/setup_32.c | 2 | ||||
-rw-r--r-- | arch/powerpc/kernel/sysfs.c | 31 | ||||
-rw-r--r-- | arch/powerpc/kernel/time.c | 2 | ||||
-rw-r--r-- | arch/powerpc/mm/fault.c | 36 | ||||
-rw-r--r-- | arch/powerpc/mm/init_64.c | 3 | ||||
-rw-r--r-- | arch/powerpc/mm/mem.c | 11 | ||||
-rw-r--r-- | arch/powerpc/mm/numa.c | 11 | ||||
-rw-r--r-- | arch/powerpc/oprofile/common.c | 2 | ||||
-rw-r--r-- | arch/powerpc/platforms/cell/spufs/switch.c | 4 | ||||
-rw-r--r-- | arch/powerpc/platforms/powermac/pfunc_core.c | 2 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/eeh_cache.c | 2 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/eeh_event.c | 2 | ||||
-rw-r--r-- | arch/powerpc/sysdev/mmio_nvram.c | 2 |
15 files changed, 68 insertions, 48 deletions
diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c index dbcb859..e253a45 100644 --- a/arch/powerpc/kernel/crash.c +++ b/arch/powerpc/kernel/crash.c @@ -179,7 +179,7 @@ void default_machine_crash_shutdown(struct pt_regs *regs) /* * This function is only called after the system - * has paniced or is otherwise in a critical state. + * has panicked or is otherwise in a critical state. * The minimum amount of code to allow a kexec'd kernel * to run successfully needs to happen here. * diff --git a/arch/powerpc/kernel/machine_kexec_32.c b/arch/powerpc/kernel/machine_kexec_32.c index 4436061..cbaa341 100644 --- a/arch/powerpc/kernel/machine_kexec_32.c +++ b/arch/powerpc/kernel/machine_kexec_32.c @@ -30,8 +30,8 @@ typedef NORET_TYPE void (*relocate_new_kernel_t)( */ void default_machine_kexec(struct kimage *image) { - const extern unsigned char relocate_new_kernel[]; - const extern unsigned int relocate_new_kernel_size; + extern const unsigned char relocate_new_kernel[]; + extern const unsigned int relocate_new_kernel_size; unsigned long page_list; unsigned long reboot_code_buffer, reboot_code_buffer_phys; relocate_new_kernel_t rnk; diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c index e5a4481..0932a62 100644 --- a/arch/powerpc/kernel/setup_32.c +++ b/arch/powerpc/kernel/setup_32.c @@ -215,7 +215,7 @@ int __init ppc_init(void) /* register CPU devices */ for_each_possible_cpu(i) - register_cpu(&cpu_devices[i], i, NULL); + register_cpu(&cpu_devices[i], i); /* call platform init */ if (ppc_md.init != NULL) { diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c index 5bc2585..4662b58 100644 --- a/arch/powerpc/kernel/sysfs.c +++ b/arch/powerpc/kernel/sysfs.c @@ -279,7 +279,7 @@ static void unregister_cpu_online(unsigned int cpu) } #endif /* CONFIG_HOTPLUG_CPU */ -static int sysfs_cpu_notify(struct notifier_block *self, +static int __devinit sysfs_cpu_notify(struct notifier_block *self, unsigned long action, void *hcpu) { unsigned int cpu = (unsigned int)(long)hcpu; @@ -297,30 +297,19 @@ static int sysfs_cpu_notify(struct notifier_block *self, return NOTIFY_OK; } -static struct notifier_block sysfs_cpu_nb = { +static struct notifier_block __devinitdata sysfs_cpu_nb = { .notifier_call = sysfs_cpu_notify, }; /* NUMA stuff */ #ifdef CONFIG_NUMA -static struct node node_devices[MAX_NUMNODES]; - static void register_nodes(void) { int i; - for (i = 0; i < MAX_NUMNODES; i++) { - if (node_online(i)) { - int p_node = parent_node(i); - struct node *parent = NULL; - - if (p_node != i) - parent = &node_devices[p_node]; - - register_node(&node_devices[i], i, parent); - } - } + for (i = 0; i < MAX_NUMNODES; i++) + register_one_node(i); } int sysfs_add_device_to_node(struct sys_device *dev, int nid) @@ -359,23 +348,13 @@ static SYSDEV_ATTR(physical_id, 0444, show_physical_id, NULL); static int __init topology_init(void) { int cpu; - struct node *parent = NULL; register_nodes(); - register_cpu_notifier(&sysfs_cpu_nb); for_each_possible_cpu(cpu) { struct cpu *c = &per_cpu(cpu_devices, cpu); -#ifdef CONFIG_NUMA - /* The node to which a cpu belongs can't be known - * until the cpu is made present. - */ - parent = NULL; - if (cpu_present(cpu)) - parent = &node_devices[cpu_to_node(cpu)]; -#endif /* * For now, we just see if the system supports making * the RTAS calls for CPU hotplug. But, there may be a @@ -387,7 +366,7 @@ static int __init topology_init(void) c->no_control = 1; if (cpu_online(cpu) || (c->no_control == 0)) { - register_cpu(c, cpu, parent); + register_cpu(c, cpu); sysdev_create_file(&c->sysdev, &attr_physical_id); } diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index d209075..7dd5dab 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -102,7 +102,7 @@ EXPORT_SYMBOL(tb_ticks_per_sec); /* for cputime_t conversions */ u64 tb_to_xs; unsigned tb_to_us; -#define TICKLEN_SCALE (SHIFT_SCALE - 10) +#define TICKLEN_SCALE TICK_LENGTH_SHIFT u64 last_tick_len; /* units are ns / 2^TICKLEN_SCALE */ u64 ticklen_to_xs; /* 0.64 fraction */ diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index fdbba42..a0a9e1e 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -40,6 +40,40 @@ #include <asm/kdebug.h> #include <asm/siginfo.h> +#ifdef CONFIG_KPROBES +ATOMIC_NOTIFIER_HEAD(notify_page_fault_chain); + +/* Hook to register for page fault notifications */ +int register_page_fault_notifier(struct notifier_block *nb) +{ + return atomic_notifier_chain_register(¬ify_page_fault_chain, nb); +} + +int unregister_page_fault_notifier(struct notifier_block *nb) +{ + return atomic_notifier_chain_unregister(¬ify_page_fault_chain, nb); +} + +static inline int notify_page_fault(enum die_val val, const char *str, + struct pt_regs *regs, long err, int trap, int sig) +{ + struct die_args args = { + .regs = regs, + .str = str, + .err = err, + .trapnr = trap, + .signr = sig + }; + return atomic_notifier_call_chain(¬ify_page_fault_chain, val, &args); +} +#else +static inline int notify_page_fault(enum die_val val, const char *str, + struct pt_regs *regs, long err, int trap, int sig) +{ + return NOTIFY_DONE; +} +#endif + /* * Check whether the instruction at regs->nip is a store using * an update addressing form which will update r1. @@ -142,7 +176,7 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address, is_write = error_code & ESR_DST; #endif /* CONFIG_4xx || CONFIG_BOOKE */ - if (notify_die(DIE_PAGE_FAULT, "page_fault", regs, error_code, + if (notify_page_fault(DIE_PAGE_FAULT, "page_fault", regs, error_code, 11, SIGSEGV) == NOTIFY_STOP) return 0; diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index 9e30f96..d454caa 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -41,6 +41,7 @@ #include <linux/idr.h> #include <linux/nodemask.h> #include <linux/module.h> +#include <linux/poison.h> #include <asm/pgalloc.h> #include <asm/page.h> @@ -90,7 +91,7 @@ void free_initmem(void) addr = (unsigned long)__init_begin; for (; addr < (unsigned long)__init_end; addr += PAGE_SIZE) { - memset((void *)addr, 0xcc, PAGE_SIZE); + memset((void *)addr, POISON_FREE_INITMEM, PAGE_SIZE); ClearPageReserved(virt_to_page(addr)); init_page_count(virt_to_page(addr)); free_page(addr); diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 69f3b9a..089d939 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -114,15 +114,20 @@ void online_page(struct page *page) num_physpages++; } -int __devinit add_memory(u64 start, u64 size) +#ifdef CONFIG_NUMA +int memory_add_physaddr_to_nid(u64 start) +{ + return hot_add_scn_to_nid(start); +} +#endif + +int __devinit arch_add_memory(int nid, u64 start, u64 size) { struct pglist_data *pgdata; struct zone *zone; - int nid; unsigned long start_pfn = start >> PAGE_SHIFT; unsigned long nr_pages = size >> PAGE_SHIFT; - nid = hot_add_scn_to_nid(start); pgdata = NODE_DATA(nid); start = (unsigned long)__va(start); diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index aa98cb3..fbe2393 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -334,7 +334,7 @@ out: return nid; } -static int cpu_numa_callback(struct notifier_block *nfb, +static int __cpuinit cpu_numa_callback(struct notifier_block *nfb, unsigned long action, void *hcpu) { @@ -609,14 +609,15 @@ static void __init *careful_allocation(int nid, unsigned long size, return (void *)ret; } +static struct notifier_block __cpuinitdata ppc64_numa_nb = { + .notifier_call = cpu_numa_callback, + .priority = 1 /* Must run before sched domains notifier. */ +}; + void __init do_init_bootmem(void) { int nid; unsigned int i; - static struct notifier_block ppc64_numa_nb = { - .notifier_call = cpu_numa_callback, - .priority = 1 /* Must run before sched domains notifier. */ - }; min_low_pfn = 0; max_low_pfn = lmb_end_of_DRAM() >> PAGE_SHIFT; diff --git a/arch/powerpc/oprofile/common.c b/arch/powerpc/oprofile/common.c index 27ad56b..fd0bbbe 100644 --- a/arch/powerpc/oprofile/common.c +++ b/arch/powerpc/oprofile/common.c @@ -94,7 +94,7 @@ static int op_powerpc_create_files(struct super_block *sb, struct dentry *root) for (i = 0; i < model->num_counters; ++i) { struct dentry *dir; - char buf[3]; + char buf[4]; snprintf(buf, sizeof buf, "%d", i); dir = oprofilefs_mkdir(sb, root, buf); diff --git a/arch/powerpc/platforms/cell/spufs/switch.c b/arch/powerpc/platforms/cell/spufs/switch.c index b30e55d..a656d81 100644 --- a/arch/powerpc/platforms/cell/spufs/switch.c +++ b/arch/powerpc/platforms/cell/spufs/switch.c @@ -2100,7 +2100,7 @@ EXPORT_SYMBOL_GPL(spu_save); * @spu: pointer to SPU iomem structure. * * Perform harvest + restore, as we may not be coming - * from a previous succesful save operation, and the + * from a previous successful save operation, and the * hardware state is unknown. */ int spu_restore(struct spu_state *new, struct spu *spu) @@ -2203,7 +2203,7 @@ void spu_init_csa(struct spu_state *csa) memset(lscsa, 0, sizeof(struct spu_lscsa)); csa->lscsa = lscsa; - csa->register_lock = SPIN_LOCK_UNLOCKED; + spin_lock_init(&csa->register_lock); /* Set LS pages reserved to allow for user-space mapping. */ for (p = lscsa->ls; p < lscsa->ls + LS_SIZE; p += PAGE_SIZE) diff --git a/arch/powerpc/platforms/powermac/pfunc_core.c b/arch/powerpc/platforms/powermac/pfunc_core.c index 047f954..93e7505 100644 --- a/arch/powerpc/platforms/powermac/pfunc_core.c +++ b/arch/powerpc/platforms/powermac/pfunc_core.c @@ -546,7 +546,7 @@ struct pmf_device { }; static LIST_HEAD(pmf_devices); -static spinlock_t pmf_lock = SPIN_LOCK_UNLOCKED; +static DEFINE_SPINLOCK(pmf_lock); static DEFINE_MUTEX(pmf_irq_mutex); static void pmf_release_device(struct kref *kref) diff --git a/arch/powerpc/platforms/pseries/eeh_cache.c b/arch/powerpc/platforms/pseries/eeh_cache.c index 98c23ae..c37a849 100644 --- a/arch/powerpc/platforms/pseries/eeh_cache.c +++ b/arch/powerpc/platforms/pseries/eeh_cache.c @@ -287,7 +287,7 @@ void pci_addr_cache_remove_device(struct pci_dev *dev) * find the pci device that corresponds to a given address. * This routine scans all pci busses to build the cache. * Must be run late in boot process, after the pci controllers - * have been scaned for devices (after all device resources are known). + * have been scanned for devices (after all device resources are known). */ void __init pci_addr_cache_build(void) { diff --git a/arch/powerpc/platforms/pseries/eeh_event.c b/arch/powerpc/platforms/pseries/eeh_event.c index 8f2d129..45ccc68 100644 --- a/arch/powerpc/platforms/pseries/eeh_event.c +++ b/arch/powerpc/platforms/pseries/eeh_event.c @@ -35,7 +35,7 @@ */ /* EEH event workqueue setup. */ -static spinlock_t eeh_eventlist_lock = SPIN_LOCK_UNLOCKED; +static DEFINE_SPINLOCK(eeh_eventlist_lock); LIST_HEAD(eeh_eventlist); static void eeh_thread_launcher(void *); DECLARE_WORK(eeh_event_wq, eeh_thread_launcher, NULL); diff --git a/arch/powerpc/sysdev/mmio_nvram.c b/arch/powerpc/sysdev/mmio_nvram.c index 74e0d31..615350d 100644 --- a/arch/powerpc/sysdev/mmio_nvram.c +++ b/arch/powerpc/sysdev/mmio_nvram.c @@ -32,7 +32,7 @@ static void __iomem *mmio_nvram_start; static long mmio_nvram_len; -static spinlock_t mmio_nvram_lock = SPIN_LOCK_UNLOCKED; +static DEFINE_SPINLOCK(mmio_nvram_lock); static ssize_t mmio_nvram_read(char *buf, size_t count, loff_t *index) { |