sched: Eliminate the ts->idle_lastupdate field
[safe/jmp/linux-2.6] / kernel / hw_breakpoint.c
index 8a5c7d5..03808ed 100644 (file)
@@ -360,8 +360,8 @@ EXPORT_SYMBOL_GPL(register_user_hw_breakpoint);
 int modify_user_hw_breakpoint(struct perf_event *bp, struct perf_event_attr *attr)
 {
        u64 old_addr = bp->attr.bp_addr;
+       u64 old_len = bp->attr.bp_len;
        int old_type = bp->attr.bp_type;
-       int old_len = bp->attr.bp_len;
        int err = 0;
 
        perf_event_disable(bp);
@@ -413,17 +413,17 @@ EXPORT_SYMBOL_GPL(unregister_hw_breakpoint);
  *
  * @return a set of per_cpu pointers to perf events
  */
-struct perf_event **
+struct perf_event * __percpu *
 register_wide_hw_breakpoint(struct perf_event_attr *attr,
                            perf_overflow_handler_t triggered)
 {
-       struct perf_event **cpu_events, **pevent, *bp;
+       struct perf_event * __percpu *cpu_events, **pevent, *bp;
        long err;
        int cpu;
 
        cpu_events = alloc_percpu(typeof(*cpu_events));
        if (!cpu_events)
-               return ERR_PTR(-ENOMEM);
+               return (void __percpu __force *)ERR_PTR(-ENOMEM);
 
        get_online_cpus();
        for_each_online_cpu(cpu) {
@@ -451,7 +451,7 @@ fail:
        put_online_cpus();
 
        free_percpu(cpu_events);
-       return ERR_PTR(err);
+       return (void __percpu __force *)ERR_PTR(err);
 }
 EXPORT_SYMBOL_GPL(register_wide_hw_breakpoint);
 
@@ -459,7 +459,7 @@ EXPORT_SYMBOL_GPL(register_wide_hw_breakpoint);
  * unregister_wide_hw_breakpoint - unregister a wide breakpoint in the kernel
  * @cpu_events: the per cpu set of events to unregister
  */
-void unregister_wide_hw_breakpoint(struct perf_event **cpu_events)
+void unregister_wide_hw_breakpoint(struct perf_event * __percpu *cpu_events)
 {
        int cpu;
        struct perf_event **pevent;
@@ -489,5 +489,4 @@ struct pmu perf_ops_bp = {
        .enable         = arch_install_hw_breakpoint,
        .disable        = arch_uninstall_hw_breakpoint,
        .read           = hw_breakpoint_pmu_read,
-       .unthrottle     = hw_breakpoint_pmu_unthrottle
 };