Merge branch 'x86/doc' into x86/core

[cascardo/linux.git] / drivers / oprofile / buffer_sync.c

diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c
index 9da5a4b..c3ea5fa 100644 (file)
--- 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