diff options
Diffstat (limited to 'drivers/base')
-rw-r--r-- | drivers/base/bus.c | 1 | ||||
-rw-r--r-- | drivers/base/class.c | 1 | ||||
-rw-r--r-- | drivers/base/core.c | 1 | ||||
-rw-r--r-- | drivers/base/cpu.c | 28 | ||||
-rw-r--r-- | drivers/base/dmapool.c | 3 | ||||
-rw-r--r-- | drivers/base/driver.c | 1 | ||||
-rw-r--r-- | drivers/base/memory.c | 4 | ||||
-rw-r--r-- | drivers/base/node.c | 124 | ||||
-rw-r--r-- | drivers/base/power/main.c | 1 | ||||
-rw-r--r-- | drivers/base/power/resume.c | 6 | ||||
-rw-r--r-- | drivers/base/power/shutdown.c | 1 | ||||
-rw-r--r-- | drivers/base/power/suspend.c | 13 | ||||
-rw-r--r-- | drivers/base/sys.c | 1 | ||||
-rw-r--r-- | drivers/base/topology.c | 4 |
14 files changed, 111 insertions, 78 deletions
diff --git a/drivers/base/bus.c b/drivers/base/bus.c index 050d86d0b872..83fa8b291a59 100644 --- a/drivers/base/bus.c +++ b/drivers/base/bus.c @@ -8,7 +8,6 @@ * */ -#include <linux/config.h> #include <linux/device.h> #include <linux/module.h> #include <linux/errno.h> diff --git a/drivers/base/class.c b/drivers/base/class.c index 9aa127460262..de8908320f23 100644 --- a/drivers/base/class.c +++ b/drivers/base/class.c @@ -10,7 +10,6 @@ * */ -#include <linux/config.h> #include <linux/device.h> #include <linux/module.h> #include <linux/init.h> diff --git a/drivers/base/core.c b/drivers/base/core.c index 27c2176895de..b21f864c9ce8 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -8,7 +8,6 @@ * */ -#include <linux/config.h> #include <linux/device.h> #include <linux/err.h> #include <linux/init.h> diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c index dd712b24ec91..4bef76a2f3f2 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -8,6 +8,7 @@ #include <linux/cpu.h> #include <linux/topology.h> #include <linux/device.h> +#include <linux/node.h> #include "base.h" @@ -57,13 +58,12 @@ static void __devinit register_cpu_control(struct cpu *cpu) { sysdev_create_file(&cpu->sysdev, &attr_online); } -void unregister_cpu(struct cpu *cpu, struct node *root) +void unregister_cpu(struct cpu *cpu) { int logical_cpu = cpu->sysdev.id; - if (root) - sysfs_remove_link(&root->sysdev.kobj, - kobject_name(&cpu->sysdev.kobj)); + unregister_cpu_under_node(logical_cpu, cpu_to_node(logical_cpu)); + sysdev_remove_file(&cpu->sysdev, &attr_online); sysdev_unregister(&cpu->sysdev); @@ -109,23 +109,21 @@ static SYSDEV_ATTR(crash_notes, 0400, show_crash_notes, NULL); * * Initialize and register the CPU device. */ -int __devinit register_cpu(struct cpu *cpu, int num, struct node *root) +int __devinit register_cpu(struct cpu *cpu, int num) { int error; - cpu->node_id = cpu_to_node(num); cpu->sysdev.id = num; cpu->sysdev.cls = &cpu_sysdev_class; error = sysdev_register(&cpu->sysdev); - if (!error && root) - error = sysfs_create_link(&root->sysdev.kobj, - &cpu->sysdev.kobj, - kobject_name(&cpu->sysdev.kobj)); + if (!error && !cpu->no_control) register_cpu_control(cpu); if (!error) cpu_sys_devices[num] = &cpu->sysdev; + if (!error) + register_cpu_under_node(num, cpu_to_node(num)); #ifdef CONFIG_KEXEC if (!error) @@ -145,5 +143,13 @@ EXPORT_SYMBOL_GPL(get_cpu_sysdev); int __init cpu_dev_init(void) { - return sysdev_class_register(&cpu_sysdev_class); + int err; + + err = sysdev_class_register(&cpu_sysdev_class); +#if defined(CONFIG_SCHED_MC) || defined(CONFIG_SCHED_SMT) + if (!err) + err = sched_create_sysfs_power_savings_entries(&cpu_sysdev_class); +#endif + + return err; } diff --git a/drivers/base/dmapool.c b/drivers/base/dmapool.c index e2f64f91ed05..33c5cce1560b 100644 --- a/drivers/base/dmapool.c +++ b/drivers/base/dmapool.c @@ -7,6 +7,7 @@ #include <linux/dmapool.h> #include <linux/slab.h> #include <linux/module.h> +#include <linux/poison.h> /* * Pool allocator ... wraps the dma_alloc_coherent page allocator, so @@ -35,8 +36,6 @@ struct dma_page { /* cacheable header for 'allocation' bytes */ }; #define POOL_TIMEOUT_JIFFIES ((100 /* msec */ * HZ) / 1000) -#define POOL_POISON_FREED 0xa7 /* !inuse */ -#define POOL_POISON_ALLOCATED 0xa9 /* !initted */ static DECLARE_MUTEX (pools_lock); diff --git a/drivers/base/driver.c b/drivers/base/driver.c index b400314e1c62..562600dd540a 100644 --- a/drivers/base/driver.c +++ b/drivers/base/driver.c @@ -8,7 +8,6 @@ * */ -#include <linux/config.h> #include <linux/device.h> #include <linux/module.h> #include <linux/errno.h> diff --git a/drivers/base/memory.c b/drivers/base/memory.c index dd547af4681a..c6b7d9c4b651 100644 --- a/drivers/base/memory.c +++ b/drivers/base/memory.c @@ -306,11 +306,13 @@ static ssize_t memory_probe_store(struct class *class, const char *buf, size_t count) { u64 phys_addr; + int nid; int ret; phys_addr = simple_strtoull(buf, NULL, 0); - ret = add_memory(phys_addr, PAGES_PER_SECTION << PAGE_SHIFT); + nid = memory_add_physaddr_to_nid(phys_addr); + ret = add_memory(nid, phys_addr, PAGES_PER_SECTION << PAGE_SHIFT); if (ret) count = ret; diff --git a/drivers/base/node.c b/drivers/base/node.c index c80c3aeed004..d7de1753e094 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -11,6 +11,7 @@ #include <linux/cpumask.h> #include <linux/topology.h> #include <linux/nodemask.h> +#include <linux/cpu.h> static struct sysdev_class node_class = { set_kset_name("node"), @@ -39,24 +40,13 @@ static ssize_t node_read_meminfo(struct sys_device * dev, char * buf) int n; int nid = dev->id; struct sysinfo i; - struct page_state ps; unsigned long inactive; unsigned long active; unsigned long free; si_meminfo_node(&i, nid); - get_page_state_node(&ps, nid); __get_zone_counts(&active, &inactive, &free, NODE_DATA(nid)); - /* Check for negative values in these approximate counters */ - if ((long)ps.nr_dirty < 0) - ps.nr_dirty = 0; - if ((long)ps.nr_writeback < 0) - ps.nr_writeback = 0; - if ((long)ps.nr_mapped < 0) - ps.nr_mapped = 0; - if ((long)ps.nr_slab < 0) - ps.nr_slab = 0; n = sprintf(buf, "\n" "Node %d MemTotal: %8lu kB\n" @@ -70,7 +60,12 @@ static ssize_t node_read_meminfo(struct sys_device * dev, char * buf) "Node %d LowFree: %8lu kB\n" "Node %d Dirty: %8lu kB\n" "Node %d Writeback: %8lu kB\n" + "Node %d FilePages: %8lu kB\n" "Node %d Mapped: %8lu kB\n" + "Node %d AnonPages: %8lu kB\n" + "Node %d PageTables: %8lu kB\n" + "Node %d NFS Unstable: %8lu kB\n" + "Node %d Bounce: %8lu kB\n" "Node %d Slab: %8lu kB\n", nid, K(i.totalram), nid, K(i.freeram), @@ -81,10 +76,15 @@ static ssize_t node_read_meminfo(struct sys_device * dev, char * buf) nid, K(i.freehigh), nid, K(i.totalram - i.totalhigh), nid, K(i.freeram - i.freehigh), - nid, K(ps.nr_dirty), - nid, K(ps.nr_writeback), - nid, K(ps.nr_mapped), - nid, K(ps.nr_slab)); + nid, K(node_page_state(nid, NR_FILE_DIRTY)), + nid, K(node_page_state(nid, NR_WRITEBACK)), + nid, K(node_page_state(nid, NR_FILE_PAGES)), + nid, K(node_page_state(nid, NR_FILE_MAPPED)), + nid, K(node_page_state(nid, NR_ANON_PAGES)), + nid, K(node_page_state(nid, NR_PAGETABLE)), + nid, K(node_page_state(nid, NR_UNSTABLE_NFS)), + nid, K(node_page_state(nid, NR_BOUNCE)), + nid, K(node_page_state(nid, NR_SLAB))); n += hugetlb_report_node_meminfo(nid, buf + n); return n; } @@ -94,28 +94,6 @@ static SYSDEV_ATTR(meminfo, S_IRUGO, node_read_meminfo, NULL); static ssize_t node_read_numastat(struct sys_device * dev, char * buf) { - unsigned long numa_hit, numa_miss, interleave_hit, numa_foreign; - unsigned long local_node, other_node; - int i, cpu; - pg_data_t *pg = NODE_DATA(dev->id); - numa_hit = 0; - numa_miss = 0; - interleave_hit = 0; - numa_foreign = 0; - local_node = 0; - other_node = 0; - for (i = 0; i < MAX_NR_ZONES; i++) { - struct zone *z = &pg->node_zones[i]; - for_each_online_cpu(cpu) { - struct per_cpu_pageset *ps = zone_pcp(z,cpu); - numa_hit += ps->numa_hit; - numa_miss += ps->numa_miss; - numa_foreign += ps->numa_foreign; - interleave_hit += ps->interleave_hit; - local_node += ps->local_node; - other_node += ps->other_node; - } - } return sprintf(buf, "numa_hit %lu\n" "numa_miss %lu\n" @@ -123,12 +101,12 @@ static ssize_t node_read_numastat(struct sys_device * dev, char * buf) "interleave_hit %lu\n" "local_node %lu\n" "other_node %lu\n", - numa_hit, - numa_miss, - numa_foreign, - interleave_hit, - local_node, - other_node); + node_page_state(dev->id, NUMA_HIT), + node_page_state(dev->id, NUMA_MISS), + node_page_state(dev->id, NUMA_FOREIGN), + node_page_state(dev->id, NUMA_INTERLEAVE_HIT), + node_page_state(dev->id, NUMA_LOCAL), + node_page_state(dev->id, NUMA_OTHER)); } static SYSDEV_ATTR(numastat, S_IRUGO, node_read_numastat, NULL); @@ -190,6 +168,66 @@ void unregister_node(struct node *node) sysdev_unregister(&node->sysdev); } +struct node node_devices[MAX_NUMNODES]; + +/* + * register cpu under node + */ +int register_cpu_under_node(unsigned int cpu, unsigned int nid) +{ + if (node_online(nid)) { + struct sys_device *obj = get_cpu_sysdev(cpu); + if (!obj) + return 0; + return sysfs_create_link(&node_devices[nid].sysdev.kobj, + &obj->kobj, + kobject_name(&obj->kobj)); + } + + return 0; +} + +int unregister_cpu_under_node(unsigned int cpu, unsigned int nid) +{ + if (node_online(nid)) { + struct sys_device *obj = get_cpu_sysdev(cpu); + if (obj) + sysfs_remove_link(&node_devices[nid].sysdev.kobj, + kobject_name(&obj->kobj)); + } + return 0; +} + +int register_one_node(int nid) +{ + int error = 0; + int cpu; + + if (node_online(nid)) { + int p_node = parent_node(nid); + struct node *parent = NULL; + + if (p_node != nid) + parent = &node_devices[p_node]; + + error = register_node(&node_devices[nid], nid, parent); + + /* link cpu under this node */ + for_each_present_cpu(cpu) { + if (cpu_to_node(cpu) == nid) + register_cpu_under_node(cpu, nid); + } + } + + return error; + +} + +void unregister_one_node(int nid) +{ + unregister_node(&node_devices[nid]); +} + static int __init register_node_type(void) { return sysdev_class_register(&node_class); diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index 0d2e101e4f15..fdfa3d0cf6af 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -19,7 +19,6 @@ * ancestral dependencies that the subsystem list maintains. */ -#include <linux/config.h> #include <linux/device.h> #include "power.h" diff --git a/drivers/base/power/resume.c b/drivers/base/power/resume.c index 520679ce53a8..826093ef4c7e 100644 --- a/drivers/base/power/resume.c +++ b/drivers/base/power/resume.c @@ -53,8 +53,7 @@ void dpm_resume(void) struct device * dev = to_device(entry); get_device(dev); - list_del_init(entry); - list_add_tail(entry, &dpm_active); + list_move_tail(entry, &dpm_active); up(&dpm_list_sem); if (!dev->power.prev_state.event) @@ -101,8 +100,7 @@ void dpm_power_up(void) struct device * dev = to_device(entry); get_device(dev); - list_del_init(entry); - list_add_tail(entry, &dpm_active); + list_move_tail(entry, &dpm_active); resume_device(dev); put_device(dev); } diff --git a/drivers/base/power/shutdown.c b/drivers/base/power/shutdown.c index 8826a5b6673e..3483ae4d57f5 100644 --- a/drivers/base/power/shutdown.c +++ b/drivers/base/power/shutdown.c @@ -8,7 +8,6 @@ * */ -#include <linux/config.h> #include <linux/device.h> #include <asm/semaphore.h> diff --git a/drivers/base/power/suspend.c b/drivers/base/power/suspend.c index 1a1fe43a3057..69509e02f703 100644 --- a/drivers/base/power/suspend.c +++ b/drivers/base/power/suspend.c @@ -116,12 +116,10 @@ int device_suspend(pm_message_t state) /* Check if the device got removed */ if (!list_empty(&dev->power.entry)) { /* Move it to the dpm_off or dpm_off_irq list */ - if (!error) { - list_del(&dev->power.entry); - list_add(&dev->power.entry, &dpm_off); - } else if (error == -EAGAIN) { - list_del(&dev->power.entry); - list_add(&dev->power.entry, &dpm_off_irq); + if (!error) + list_move(&dev->power.entry, &dpm_off); + else if (error == -EAGAIN) { + list_move(&dev->power.entry, &dpm_off_irq); error = 0; } } @@ -139,8 +137,7 @@ int device_suspend(pm_message_t state) */ while (!list_empty(&dpm_off_irq)) { struct list_head * entry = dpm_off_irq.next; - list_del(entry); - list_add(entry, &dpm_off); + list_move(entry, &dpm_off); } dpm_resume(); } diff --git a/drivers/base/sys.c b/drivers/base/sys.c index 6858178b3aff..04e5db445c74 100644 --- a/drivers/base/sys.c +++ b/drivers/base/sys.c @@ -12,7 +12,6 @@ * add themselves as children of the system bus. */ -#include <linux/config.h> #include <linux/sysdev.h> #include <linux/err.h> #include <linux/module.h> diff --git a/drivers/base/topology.c b/drivers/base/topology.c index 8c52421cbc54..c2d621632383 100644 --- a/drivers/base/topology.c +++ b/drivers/base/topology.c @@ -107,7 +107,7 @@ static int __cpuinit topology_remove_dev(struct sys_device * sys_dev) return 0; } -static int topology_cpu_callback(struct notifier_block *nfb, +static int __cpuinit topology_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu) { unsigned int cpu = (unsigned long)hcpu; @@ -125,7 +125,7 @@ static int topology_cpu_callback(struct notifier_block *nfb, return NOTIFY_OK; } -static struct notifier_block topology_cpu_notifier = +static struct notifier_block __cpuinitdata topology_cpu_notifier = { .notifier_call = topology_cpu_callback, }; |