Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[pandora-kernel.git] / kernel / perf_event.c

diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 76be4c7..84522c7 100644 (file)
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -2228,14 +2228,11 @@ find_get_context(struct pmu *pmu, struct task_struct *task, int cpu)
        unsigned long flags;
        int ctxn, err;
 
-       if (!task && cpu != -1) {
+       if (!task) {
                /* Must be root to operate on a CPU event: */
                if (perf_paranoid_cpu() && !capable(CAP_SYS_ADMIN))
                        return ERR_PTR(-EACCES);
 
-               if (cpu < 0 || cpu >= nr_cpumask_bits)
-                       return ERR_PTR(-EINVAL);
-
                /*
                 * We could be clever and allow to attach a event to an
                 * offline CPU and activate it when the CPU comes up, but
@@ -4664,7 +4661,7 @@ int perf_swevent_get_recursion_context(void)
 }
 EXPORT_SYMBOL_GPL(perf_swevent_get_recursion_context);
 
-void inline perf_swevent_put_recursion_context(int rctx)
+inline void perf_swevent_put_recursion_context(int rctx)
 {
        struct swevent_htable *swhash = &__get_cpu_var(swevent_htable);
 
@@ -5541,6 +5538,11 @@ perf_event_alloc(struct perf_event_attr *attr, int cpu,
        struct hw_perf_event *hwc;
        long err;
 
+       if ((unsigned)cpu >= nr_cpu_ids) {
+               if (!task || cpu != -1)
+                       return ERR_PTR(-EINVAL);
+       }
+
        event = kzalloc(sizeof(*event), GFP_KERNEL);
        if (!event)
                return ERR_PTR(-ENOMEM);
@@ -5589,7 +5591,7 @@ perf_event_alloc(struct perf_event_attr *attr, int cpu,
 
        if (!overflow_handler && parent_event)
                overflow_handler = parent_event->overflow_handler;
-       
+
        event->overflow_handler = overflow_handler;
 
        if (attr->disabled)