diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-01-28 23:12:55 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-01-28 23:12:55 +0100 |
commit | 6a385db5ce7f1fd2c68ec511e44587b67dab8fca (patch) | |
tree | 9324c8ae6f7be54b9fdbd6b60f759292aa727b1f /drivers/oprofile/buffer_sync.c | |
parent | 18e352e4a73465349711a9324767e1b2453383e2 (diff) | |
parent | 4369f1fb7cd4cf777312f43e1cb9aa5504fc4125 (diff) |
Merge branch 'core/percpu' into x86/core
Conflicts:
kernel/irq/handle.c
Diffstat (limited to 'drivers/oprofile/buffer_sync.c')
-rw-r--r-- | drivers/oprofile/buffer_sync.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c index 9da5a4b8113..c3ea5fa7d05 100644 --- a/drivers/oprofile/buffer_sync.c +++ b/drivers/oprofile/buffer_sync.c @@ -38,7 +38,7 @@ static LIST_HEAD(dying_tasks); static LIST_HEAD(dead_tasks); -static cpumask_t marked_cpus = CPU_MASK_NONE; +static cpumask_var_t marked_cpus; static DEFINE_SPINLOCK(task_mortuary); static void process_task_mortuary(void); @@ -456,10 +456,10 @@ static void mark_done(int cpu) { int i; - cpu_set(cpu, marked_cpus); + cpumask_set_cpu(cpu, marked_cpus); for_each_online_cpu(i) { - if (!cpu_isset(i, marked_cpus)) + if (!cpumask_test_cpu(i, marked_cpus)) return; } @@ -468,7 +468,7 @@ static void mark_done(int cpu) */ process_task_mortuary(); - cpus_clear(marked_cpus); + cpumask_clear(marked_cpus); } @@ -565,6 +565,20 @@ void sync_buffer(int cpu) mutex_unlock(&buffer_mutex); } +int __init buffer_sync_init(void) +{ + if (!alloc_cpumask_var(&marked_cpus, GFP_KERNEL)) + return -ENOMEM; + + cpumask_clear(marked_cpus); + return 0; +} + +void __exit buffer_sync_cleanup(void) +{ + free_cpumask_var(marked_cpus); +} + /* The function can be used to add a buffer worth of data directly to * the kernel buffer. The buffer is assumed to be a circular buffer. * Take the entries from index start and end at index end, wrapping |