diff options
Diffstat (limited to 'kernel/perf_event.c')
-rw-r--r-- | kernel/perf_event.c | 24 |
1 files changed, 9 insertions, 15 deletions
diff --git a/kernel/perf_event.c b/kernel/perf_event.c index 6b7ddba1dd64..fd43ff4ac860 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c | |||
@@ -4286,15 +4286,8 @@ static void bp_perf_event_destroy(struct perf_event *event) | |||
4286 | static const struct pmu *bp_perf_event_init(struct perf_event *bp) | 4286 | static const struct pmu *bp_perf_event_init(struct perf_event *bp) |
4287 | { | 4287 | { |
4288 | int err; | 4288 | int err; |
4289 | /* | 4289 | |
4290 | * The breakpoint is already filled if we haven't created the counter | 4290 | err = register_perf_hw_breakpoint(bp); |
4291 | * through perf syscall | ||
4292 | * FIXME: manage to get trigerred to NULL if it comes from syscalls | ||
4293 | */ | ||
4294 | if (!bp->callback) | ||
4295 | err = register_perf_hw_breakpoint(bp); | ||
4296 | else | ||
4297 | err = __register_perf_hw_breakpoint(bp); | ||
4298 | if (err) | 4291 | if (err) |
4299 | return ERR_PTR(err); | 4292 | return ERR_PTR(err); |
4300 | 4293 | ||
@@ -4390,7 +4383,7 @@ perf_event_alloc(struct perf_event_attr *attr, | |||
4390 | struct perf_event_context *ctx, | 4383 | struct perf_event_context *ctx, |
4391 | struct perf_event *group_leader, | 4384 | struct perf_event *group_leader, |
4392 | struct perf_event *parent_event, | 4385 | struct perf_event *parent_event, |
4393 | perf_callback_t callback, | 4386 | perf_overflow_handler_t overflow_handler, |
4394 | gfp_t gfpflags) | 4387 | gfp_t gfpflags) |
4395 | { | 4388 | { |
4396 | const struct pmu *pmu; | 4389 | const struct pmu *pmu; |
@@ -4433,10 +4426,10 @@ perf_event_alloc(struct perf_event_attr *attr, | |||
4433 | 4426 | ||
4434 | event->state = PERF_EVENT_STATE_INACTIVE; | 4427 | event->state = PERF_EVENT_STATE_INACTIVE; |
4435 | 4428 | ||
4436 | if (!callback && parent_event) | 4429 | if (!overflow_handler && parent_event) |
4437 | callback = parent_event->callback; | 4430 | overflow_handler = parent_event->overflow_handler; |
4438 | 4431 | ||
4439 | event->callback = callback; | 4432 | event->overflow_handler = overflow_handler; |
4440 | 4433 | ||
4441 | if (attr->disabled) | 4434 | if (attr->disabled) |
4442 | event->state = PERF_EVENT_STATE_OFF; | 4435 | event->state = PERF_EVENT_STATE_OFF; |
@@ -4776,7 +4769,8 @@ err_put_context: | |||
4776 | */ | 4769 | */ |
4777 | struct perf_event * | 4770 | struct perf_event * |
4778 | perf_event_create_kernel_counter(struct perf_event_attr *attr, int cpu, | 4771 | perf_event_create_kernel_counter(struct perf_event_attr *attr, int cpu, |
4779 | pid_t pid, perf_callback_t callback) | 4772 | pid_t pid, |
4773 | perf_overflow_handler_t overflow_handler) | ||
4780 | { | 4774 | { |
4781 | struct perf_event *event; | 4775 | struct perf_event *event; |
4782 | struct perf_event_context *ctx; | 4776 | struct perf_event_context *ctx; |
@@ -4793,7 +4787,7 @@ perf_event_create_kernel_counter(struct perf_event_attr *attr, int cpu, | |||
4793 | } | 4787 | } |
4794 | 4788 | ||
4795 | event = perf_event_alloc(attr, cpu, ctx, NULL, | 4789 | event = perf_event_alloc(attr, cpu, ctx, NULL, |
4796 | NULL, callback, GFP_KERNEL); | 4790 | NULL, overflow_handler, GFP_KERNEL); |
4797 | if (IS_ERR(event)) { | 4791 | if (IS_ERR(event)) { |
4798 | err = PTR_ERR(event); | 4792 | err = PTR_ERR(event); |
4799 | goto err_put_context; | 4793 | goto err_put_context; |