diff options
author | David S. Miller <davem@davemloft.net> | 2008-06-10 02:22:26 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2008-06-10 02:22:26 -0700 |
commit | 65b53e4cc90e59936733b3b95b9451d2ca47528d (patch) | |
tree | 29932718192962671c48c3fd1ea017a6112459e8 /arch/s390 | |
parent | 788c0a53164c05c5ccdb1472474372b72ba74644 (diff) | |
parent | 2e761e0532a784816e7e822dbaaece8c5d4be14d (diff) |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/tg3.c
drivers/net/wireless/rt2x00/rt2x00dev.c
net/mac80211/ieee80211_i.h
Diffstat (limited to 'arch/s390')
-rw-r--r-- | arch/s390/Kconfig | 3 | ||||
-rw-r--r-- | arch/s390/appldata/appldata_base.c | 8 | ||||
-rw-r--r-- | arch/s390/defconfig | 11 | ||||
-rw-r--r-- | arch/s390/kernel/debug.c | 20 | ||||
-rw-r--r-- | arch/s390/kernel/dis.c | 2 | ||||
-rw-r--r-- | arch/s390/kernel/init_task.c | 1 | ||||
-rw-r--r-- | arch/s390/kernel/irq.c | 3 | ||||
-rw-r--r-- | arch/s390/kernel/smp.c | 18 | ||||
-rw-r--r-- | arch/s390/mm/init.c | 49 | ||||
-rw-r--r-- | arch/s390/mm/vmem.c | 3 |
10 files changed, 66 insertions, 52 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 1d035082e78..93acb3c1859 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -308,6 +308,9 @@ config ARCH_SPARSEMEM_ENABLE config ARCH_SPARSEMEM_DEFAULT def_bool y +config ARCH_SELECT_MEMORY_MODEL + def_bool y + source "mm/Kconfig" comment "I/O subsystem configuration" diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c index 655d52543e2..ad40729bec3 100644 --- a/arch/s390/appldata/appldata_base.c +++ b/arch/s390/appldata/appldata_base.c @@ -130,6 +130,7 @@ static void appldata_work_fn(struct work_struct *work) P_DEBUG(" -= Work Queue =-\n"); i = 0; + get_online_cpus(); spin_lock(&appldata_ops_lock); list_for_each(lh, &appldata_ops_list) { ops = list_entry(lh, struct appldata_ops, list); @@ -140,6 +141,7 @@ static void appldata_work_fn(struct work_struct *work) } } spin_unlock(&appldata_ops_lock); + put_online_cpus(); } /* @@ -266,12 +268,14 @@ appldata_timer_handler(ctl_table *ctl, int write, struct file *filp, len = *lenp; if (copy_from_user(buf, buffer, len > sizeof(buf) ? sizeof(buf) : len)) return -EFAULT; + get_online_cpus(); spin_lock(&appldata_timer_lock); if (buf[0] == '1') __appldata_vtimer_setup(APPLDATA_ADD_TIMER); else if (buf[0] == '0') __appldata_vtimer_setup(APPLDATA_DEL_TIMER); spin_unlock(&appldata_timer_lock); + put_online_cpus(); out: *lenp = len; *ppos += len; @@ -314,10 +318,12 @@ appldata_interval_handler(ctl_table *ctl, int write, struct file *filp, return -EINVAL; } + get_online_cpus(); spin_lock(&appldata_timer_lock); appldata_interval = interval; __appldata_vtimer_setup(APPLDATA_MOD_TIMER); spin_unlock(&appldata_timer_lock); + put_online_cpus(); P_INFO("Monitoring CPU interval set to %u milliseconds.\n", interval); @@ -556,8 +562,10 @@ static int __init appldata_init(void) return -ENOMEM; } + get_online_cpus(); for_each_online_cpu(i) appldata_online_cpu(i); + put_online_cpus(); /* Register cpu hotplug notifier */ register_hotcpu_notifier(&appldata_nb); diff --git a/arch/s390/defconfig b/arch/s390/defconfig index aa341d0ea1e..c5cdb975d59 100644 --- a/arch/s390/defconfig +++ b/arch/s390/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.25 -# Wed Apr 30 11:07:45 2008 +# Linux kernel version: 2.6.26-rc4 +# Fri May 30 09:49:33 2008 # CONFIG_SCHED_MC=y CONFIG_MMU=y @@ -103,6 +103,7 @@ CONFIG_RT_MUTEXES=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 CONFIG_MODULES=y +# CONFIG_MODULE_FORCE_LOAD is not set CONFIG_MODULE_UNLOAD=y # CONFIG_MODULE_FORCE_UNLOAD is not set CONFIG_MODVERSIONS=y @@ -173,6 +174,7 @@ CONFIG_PREEMPT=y # CONFIG_PREEMPT_RCU is not set CONFIG_ARCH_SPARSEMEM_ENABLE=y CONFIG_ARCH_SPARSEMEM_DEFAULT=y +CONFIG_ARCH_SELECT_MEMORY_MODEL=y CONFIG_SELECT_MEMORY_MODEL=y # CONFIG_FLATMEM_MANUAL is not set # CONFIG_DISCONTIGMEM_MANUAL is not set @@ -210,6 +212,7 @@ CONFIG_FORCE_MAX_ZONEORDER=9 CONFIG_PFAULT=y # CONFIG_SHARED_KERNEL is not set # CONFIG_CMM is not set +# CONFIG_PAGE_STATES is not set CONFIG_VIRT_TIMER=y CONFIG_VIRT_CPU_ACCOUNTING=y # CONFIG_APPLDATA_BASE is not set @@ -620,6 +623,7 @@ CONFIG_S390_VMUR=m # # CONFIG_MEMSTICK is not set # CONFIG_NEW_LEDS is not set +CONFIG_ACCESSIBILITY=y # # File systems @@ -754,11 +758,12 @@ CONFIG_FRAME_WARN=2048 CONFIG_MAGIC_SYSRQ=y # CONFIG_UNUSED_SYMBOLS is not set CONFIG_DEBUG_FS=y -CONFIG_HEADERS_CHECK=y +# CONFIG_HEADERS_CHECK is not set CONFIG_DEBUG_KERNEL=y # CONFIG_SCHED_DEBUG is not set # CONFIG_SCHEDSTATS is not set # CONFIG_TIMER_STATS is not set +# CONFIG_DEBUG_OBJECTS is not set # CONFIG_DEBUG_SLAB is not set CONFIG_DEBUG_PREEMPT=y # CONFIG_DEBUG_RT_MUTEXES is not set diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c index dff0568e67e..c93d1296cc0 100644 --- a/arch/s390/kernel/debug.c +++ b/arch/s390/kernel/debug.c @@ -71,7 +71,7 @@ static ssize_t debug_input(struct file *file, const char __user *user_buf, size_t user_len, loff_t * offset); static int debug_open(struct inode *inode, struct file *file); static int debug_close(struct inode *inode, struct file *file); -static debug_info_t* debug_info_create(char *name, int pages_per_area, +static debug_info_t *debug_info_create(const char *name, int pages_per_area, int nr_areas, int buf_size, mode_t mode); static void debug_info_get(debug_info_t *); static void debug_info_put(debug_info_t *); @@ -234,8 +234,8 @@ fail_malloc_areas: */ static debug_info_t* -debug_info_alloc(char *name, int pages_per_area, int nr_areas, int buf_size, - int level, int mode) +debug_info_alloc(const char *name, int pages_per_area, int nr_areas, + int buf_size, int level, int mode) { debug_info_t* rc; @@ -326,8 +326,8 @@ debug_info_free(debug_info_t* db_info){ */ static debug_info_t* -debug_info_create(char *name, int pages_per_area, int nr_areas, int buf_size, - mode_t mode) +debug_info_create(const char *name, int pages_per_area, int nr_areas, + int buf_size, mode_t mode) { debug_info_t* rc; @@ -684,9 +684,9 @@ debug_close(struct inode *inode, struct file *file) * - Returns handle for debug area */ -debug_info_t *debug_register_mode(char *name, int pages_per_area, int nr_areas, - int buf_size, mode_t mode, uid_t uid, - gid_t gid) +debug_info_t *debug_register_mode(const char *name, int pages_per_area, + int nr_areas, int buf_size, mode_t mode, + uid_t uid, gid_t gid) { debug_info_t *rc = NULL; @@ -722,8 +722,8 @@ EXPORT_SYMBOL(debug_register_mode); * - returns handle for debug area */ -debug_info_t *debug_register(char *name, int pages_per_area, int nr_areas, - int buf_size) +debug_info_t *debug_register(const char *name, int pages_per_area, + int nr_areas, int buf_size) { return debug_register_mode(name, pages_per_area, nr_areas, buf_size, S_IRUSR | S_IWUSR, 0, 0); diff --git a/arch/s390/kernel/dis.c b/arch/s390/kernel/dis.c index c14a336f630..d2f270c995d 100644 --- a/arch/s390/kernel/dis.c +++ b/arch/s390/kernel/dis.c @@ -208,7 +208,7 @@ static const unsigned char formats[][7] = { [INSTR_RRF_F0FF] = { 0xff, F_16,F_24,F_28,0,0,0 }, /* e.g. madbr */ [INSTR_RRF_FUFF] = { 0xff, F_24,F_16,F_28,U4_20,0,0 },/* e.g. didbr */ [INSTR_RRF_RURR] = { 0xff, R_24,R_28,R_16,U4_20,0,0 },/* e.g. .insn */ - [INSTR_RRF_R0RR] = { 0xff, R_24,R_28,R_16,0,0,0 }, /* e.g. idte */ + [INSTR_RRF_R0RR] = { 0xff, R_24,R_16,R_28,0,0,0 }, /* e.g. idte */ [INSTR_RRF_U0FF] = { 0xff, F_24,U4_16,F_28,0,0,0 }, /* e.g. fixr */ [INSTR_RRF_U0RF] = { 0xff, R_24,U4_16,F_28,0,0,0 }, /* e.g. cfebr */ [INSTR_RRF_M0RR] = { 0xff, R_24,R_28,M_16,0,0,0 }, /* e.g. sske */ diff --git a/arch/s390/kernel/init_task.c b/arch/s390/kernel/init_task.c index d494161b05b..7ad00396925 100644 --- a/arch/s390/kernel/init_task.c +++ b/arch/s390/kernel/init_task.c @@ -17,7 +17,6 @@ #include <asm/pgtable.h> static struct fs_struct init_fs = INIT_FS; -static struct files_struct init_files = INIT_FILES; static struct signal_struct init_signals = INIT_SIGNALS(init_signals); static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); struct mm_struct init_mm = INIT_MM(init_mm); diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c index c59a86dca58..e7c5bfb7c75 100644 --- a/arch/s390/kernel/irq.c +++ b/arch/s390/kernel/irq.c @@ -25,6 +25,7 @@ int show_interrupts(struct seq_file *p, void *v) static const char *intrclass_names[] = { "EXT", "I/O", }; int i = *(loff_t *) v, j; + get_online_cpus(); if (i == 0) { seq_puts(p, " "); for_each_online_cpu(j) @@ -43,7 +44,7 @@ int show_interrupts(struct seq_file *p, void *v) seq_putc(p, '\n'); } - + put_online_cpus(); return 0; } diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 0aeb290060d..42b1d12ebb1 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -139,7 +139,6 @@ static void __smp_call_function_map(void (*func) (void *info), void *info, if (wait) data.finished = CPU_MASK_NONE; - spin_lock(&call_lock); call_data = &data; for_each_cpu_mask(cpu, map) @@ -151,7 +150,6 @@ static void __smp_call_function_map(void (*func) (void *info), void *info, if (wait) while (!cpus_equal(map, data.finished)) cpu_relax(); - spin_unlock(&call_lock); out: if (local) { local_irq_disable(); @@ -177,11 +175,11 @@ int smp_call_function(void (*func) (void *info), void *info, int nonatomic, { cpumask_t map; - preempt_disable(); + spin_lock(&call_lock); map = cpu_online_map; cpu_clear(smp_processor_id(), map); __smp_call_function_map(func, info, nonatomic, wait, map); - preempt_enable(); + spin_unlock(&call_lock); return 0; } EXPORT_SYMBOL(smp_call_function); @@ -202,10 +200,10 @@ EXPORT_SYMBOL(smp_call_function); int smp_call_function_single(int cpu, void (*func) (void *info), void *info, int nonatomic, int wait) { - preempt_disable(); + spin_lock(&call_lock); __smp_call_function_map(func, info, nonatomic, wait, cpumask_of_cpu(cpu)); - preempt_enable(); + spin_unlock(&call_lock); return 0; } EXPORT_SYMBOL(smp_call_function_single); @@ -228,10 +226,10 @@ EXPORT_SYMBOL(smp_call_function_single); int smp_call_function_mask(cpumask_t mask, void (*func)(void *), void *info, int wait) { - preempt_disable(); + spin_lock(&call_lock); cpu_clear(smp_processor_id(), mask); __smp_call_function_map(func, info, 0, wait, mask); - preempt_enable(); + spin_unlock(&call_lock); return 0; } EXPORT_SYMBOL(smp_call_function_mask); @@ -592,7 +590,9 @@ int __cpuinit start_secondary(void *cpuvoid) pfault_init(); /* Mark this cpu as online */ + spin_lock(&call_lock); cpu_set(smp_processor_id(), cpu_online_map); + spin_unlock(&call_lock); /* Switch on interrupts */ local_irq_enable(); /* Print info about this processor */ @@ -1089,7 +1089,7 @@ out: #ifdef CONFIG_HOTPLUG_CPU -int smp_rescan_cpus(void) +int __ref smp_rescan_cpus(void) { cpumask_t newcpus; int cpu; diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c index 29f3a63806b..05598649b32 100644 --- a/arch/s390/mm/init.c +++ b/arch/s390/mm/init.c @@ -44,37 +44,34 @@ char empty_zero_page[PAGE_SIZE] __attribute__((__aligned__(PAGE_SIZE))); void show_mem(void) { - int i, total = 0, reserved = 0; - int shared = 0, cached = 0; + unsigned long i, total = 0, reserved = 0; + unsigned long shared = 0, cached = 0; + unsigned long flags; struct page *page; + pg_data_t *pgdat; printk("Mem-info:\n"); show_free_areas(); - i = max_mapnr; - while (i-- > 0) { - if (!pfn_valid(i)) - continue; - page = pfn_to_page(i); - total++; - if (PageReserved(page)) - reserved++; - else if (PageSwapCache(page)) - cached++; - else if (page_count(page)) - shared += page_count(page) - 1; + for_each_online_pgdat(pgdat) { + pgdat_resize_lock(pgdat, &flags); + for (i = 0; i < pgdat->node_spanned_pages; i++) { + if (!pfn_valid(pgdat->node_start_pfn + i)) + continue; + page = pfn_to_page(pgdat->node_start_pfn + i); + total++; + if (PageReserved(page)) + reserved++; + else if (PageSwapCache(page)) + cached++; + else if (page_count(page)) + shared += page_count(page) - 1; + } + pgdat_resize_unlock(pgdat, &flags); } - printk("%d pages of RAM\n", total); - printk("%d reserved pages\n", reserved); - printk("%d pages shared\n", shared); - printk("%d pages swap cached\n", cached); - - printk("%lu pages dirty\n", global_page_state(NR_FILE_DIRTY)); - printk("%lu pages writeback\n", global_page_state(NR_WRITEBACK)); - printk("%lu pages mapped\n", global_page_state(NR_FILE_MAPPED)); - printk("%lu pages slab\n", - global_page_state(NR_SLAB_RECLAIMABLE) + - global_page_state(NR_SLAB_UNRECLAIMABLE)); - printk("%lu pages pagetables\n", global_page_state(NR_PAGETABLE)); + printk("%ld pages of RAM\n", total); + printk("%ld reserved pages\n", reserved); + printk("%ld pages shared\n", shared); + printk("%ld pages swap cached\n", cached); } /* diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c index beccacf907f..f591188fa2c 100644 --- a/arch/s390/mm/vmem.c +++ b/arch/s390/mm/vmem.c @@ -60,7 +60,7 @@ static inline pmd_t *vmem_pmd_alloc(void) return pmd; } -static pte_t __init_refok *vmem_pte_alloc(void) +static pte_t __ref *vmem_pte_alloc(void) { pte_t *pte; @@ -221,6 +221,7 @@ int __meminit vmemmap_populate(struct page *start, unsigned long nr, int node) *pt_dir = pte; } } + memset(start, 0, nr * sizeof(struct page)); ret = 0; out: flush_tlb_kernel_range(start_addr, end_addr); |