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-rw-r--r--kernel/events/core.c39
-rw-r--r--kernel/events/hw_breakpoint.c2
2 files changed, 1 insertions, 40 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 6cd152e99891..7fee87daac56 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -1693,33 +1693,7 @@ static int __perf_remove_from_context(void *info)
return 0;
}
-
-#ifdef CONFIG_SMP
-static void perf_retry_remove(struct perf_event *event,
- struct remove_event *rep)
-{
- int up_ret;
- /*
- * CPU was offline. Bring it online so we can
- * gracefully exit a perf context.
- */
- up_ret = cpu_up(event->cpu);
- if (!up_ret)
- /* Try the remove call once again. */
- cpu_function_call(event->cpu, __perf_remove_from_context,
- rep);
- else
- pr_err("Failed to bring up CPU: %d, ret: %d\n",
- event->cpu, up_ret);
-}
-#else
-static void perf_retry_remove(struct perf_event *event,
- struct remove_event *rep)
-{
-}
-#endif
-
- /*
+/*
* Remove the event from a task's (or a CPU's) list of events.
*
* CPU events are removed with a smp call. For task events we only
@@ -1754,9 +1728,6 @@ static void __ref perf_remove_from_context(struct perf_event *event,
*/
ret = cpu_function_call(event->cpu, __perf_remove_from_context,
&re);
- if (ret == -ENXIO)
- perf_retry_remove(event, &re);
-
return;
}
@@ -7138,8 +7109,6 @@ static struct pmu perf_swevent = {
.start = perf_swevent_start,
.stop = perf_swevent_stop,
.read = perf_swevent_read,
-
- .events_across_hotplug = 1,
};
#ifdef CONFIG_EVENT_TRACING
@@ -7261,8 +7230,6 @@ static struct pmu perf_tracepoint = {
.start = perf_swevent_start,
.stop = perf_swevent_stop,
.read = perf_swevent_read,
-
- .events_across_hotplug = 1,
};
static inline void perf_tp_register(void)
@@ -7550,8 +7517,6 @@ static struct pmu perf_cpu_clock = {
.start = cpu_clock_event_start,
.stop = cpu_clock_event_stop,
.read = cpu_clock_event_read,
-
- .events_across_hotplug = 1,
};
/*
@@ -7633,8 +7598,6 @@ static struct pmu perf_task_clock = {
.start = task_clock_event_start,
.stop = task_clock_event_stop,
.read = task_clock_event_read,
-
- .events_across_hotplug = 1,
};
static void perf_pmu_nop_void(struct pmu *pmu)
diff --git a/kernel/events/hw_breakpoint.c b/kernel/events/hw_breakpoint.c
index 7da5b674d16e..92ce5f4ccc26 100644
--- a/kernel/events/hw_breakpoint.c
+++ b/kernel/events/hw_breakpoint.c
@@ -614,8 +614,6 @@ static struct pmu perf_breakpoint = {
.start = hw_breakpoint_start,
.stop = hw_breakpoint_stop,
.read = hw_breakpoint_pmu_read,
-
- .events_across_hotplug = 1,
};
int __init init_hw_breakpoint(void)