diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/bust_spinlocks.c | 2 | ||||
| -rw-r--r-- | lib/fault-inject.c | 1 | ||||
| -rw-r--r-- | lib/percpu_counter.c | 18 | ||||
| -rw-r--r-- | lib/prio_heap.c | 2 | ||||
| -rw-r--r-- | lib/proportions.c | 2 | ||||
| -rw-r--r-- | lib/radix-tree.c | 2 | ||||
| -rw-r--r-- | lib/vsprintf.c | 4 |
7 files changed, 24 insertions, 7 deletions
diff --git a/lib/bust_spinlocks.c b/lib/bust_spinlocks.c index 486da62..9681d54 100644 --- a/lib/bust_spinlocks.c +++ b/lib/bust_spinlocks.c @@ -12,6 +12,7 @@ #include <linux/tty.h> #include <linux/wait.h> #include <linux/vt_kern.h> +#include <linux/console.h> void __attribute__((weak)) bust_spinlocks(int yes) @@ -22,6 +23,7 @@ void __attribute__((weak)) bust_spinlocks(int yes) #ifdef CONFIG_VT unblank_screen(); #endif + console_unblank(); if (--oops_in_progress == 0) wake_up_klogd(); } diff --git a/lib/fault-inject.c b/lib/fault-inject.c index a50a311..f97af55b 100644 --- a/lib/fault-inject.c +++ b/lib/fault-inject.c @@ -6,7 +6,6 @@ #include <linux/fs.h> #include <linux/module.h> #include <linux/interrupt.h> -#include <linux/unwind.h> #include <linux/stacktrace.h> #include <linux/kallsyms.h> #include <linux/fault-inject.h> diff --git a/lib/percpu_counter.c b/lib/percpu_counter.c index b255b93..a60bd80 100644 --- a/lib/percpu_counter.c +++ b/lib/percpu_counter.c @@ -9,10 +9,8 @@ #include <linux/cpu.h> #include <linux/module.h> -#ifdef CONFIG_HOTPLUG_CPU static LIST_HEAD(percpu_counters); static DEFINE_MUTEX(percpu_counters_lock); -#endif void percpu_counter_set(struct percpu_counter *fbc, s64 amount) { @@ -111,13 +109,24 @@ void percpu_counter_destroy(struct percpu_counter *fbc) } EXPORT_SYMBOL(percpu_counter_destroy); -#ifdef CONFIG_HOTPLUG_CPU +int percpu_counter_batch __read_mostly = 32; +EXPORT_SYMBOL(percpu_counter_batch); + +static void compute_batch_value(void) +{ + int nr = num_online_cpus(); + + percpu_counter_batch = max(32, nr*2); +} + static int __cpuinit percpu_counter_hotcpu_callback(struct notifier_block *nb, unsigned long action, void *hcpu) { +#ifdef CONFIG_HOTPLUG_CPU unsigned int cpu; struct percpu_counter *fbc; + compute_batch_value(); if (action != CPU_DEAD) return NOTIFY_OK; @@ -134,13 +143,14 @@ static int __cpuinit percpu_counter_hotcpu_callback(struct notifier_block *nb, spin_unlock_irqrestore(&fbc->lock, flags); } mutex_unlock(&percpu_counters_lock); +#endif return NOTIFY_OK; } static int __init percpu_counter_startup(void) { + compute_batch_value(); hotcpu_notifier(percpu_counter_hotcpu_callback, 0); return 0; } module_init(percpu_counter_startup); -#endif diff --git a/lib/prio_heap.c b/lib/prio_heap.c index 471944a..a7af6f8 100644 --- a/lib/prio_heap.c +++ b/lib/prio_heap.c @@ -31,7 +31,7 @@ void *heap_insert(struct ptr_heap *heap, void *p) if (heap->size < heap->max) { /* Heap insertion */ - int pos = heap->size++; + pos = heap->size++; while (pos > 0 && heap->gt(p, ptrs[(pos-1)/2])) { ptrs[pos] = ptrs[(pos-1)/2]; pos = (pos-1)/2; diff --git a/lib/proportions.c b/lib/proportions.c index 4f387a6..3fda810 100644 --- a/lib/proportions.c +++ b/lib/proportions.c @@ -147,6 +147,7 @@ out: * this is used to track the active references. */ static struct prop_global *prop_get_global(struct prop_descriptor *pd) +__acquires(RCU) { int index; @@ -160,6 +161,7 @@ static struct prop_global *prop_get_global(struct prop_descriptor *pd) } static void prop_put_global(struct prop_descriptor *pd, struct prop_global *pg) +__releases(RCU) { rcu_read_unlock(); } diff --git a/lib/radix-tree.c b/lib/radix-tree.c index be86b32..8d3fb0b 100644 --- a/lib/radix-tree.c +++ b/lib/radix-tree.c @@ -81,7 +81,7 @@ struct radix_tree_preload { int nr; struct radix_tree_node *nodes[RADIX_TREE_MAX_PATH]; }; -DEFINE_PER_CPU(struct radix_tree_preload, radix_tree_preloads) = { 0, }; +static DEFINE_PER_CPU(struct radix_tree_preload, radix_tree_preloads) = { 0, }; static inline gfp_t root_gfp_mask(struct radix_tree_root *root) { diff --git a/lib/vsprintf.c b/lib/vsprintf.c index 98d63227..0fbd012 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -170,6 +170,8 @@ int strict_strtoul(const char *cp, unsigned int base, unsigned long *res) return -EINVAL; val = simple_strtoul(cp, &tail, base); + if (tail == cp) + return -EINVAL; if ((*tail == '\0') || ((len == (size_t)(tail - cp) + 1) && (*tail == '\n'))) { *res = val; @@ -241,6 +243,8 @@ int strict_strtoull(const char *cp, unsigned int base, unsigned long long *res) return -EINVAL; val = simple_strtoull(cp, &tail, base); + if (tail == cp) + return -EINVAL; if ((*tail == '\0') || ((len == (size_t)(tail - cp) + 1) && (*tail == '\n'))) { *res = val; |