[RFC][PATCH v2 05/11] perf: x86, remove hw_perf_event_init

[Lin Ming <ming.m.lin@intel.com>]

Now x86 hw_perf_event_init can be removed.

Signed-off-by: Lin Ming <ming.m.lin@intel.com>
---
 arch/x86/kernel/cpu/perf_event.c |   31 -------------------------------
 1 files changed, 0 insertions(+), 31 deletions(-)

diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index aad4221..8a3aea6 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -1757,34 +1757,3 @@ unsigned long perf_misc_flags(struct pt_regs *regs)
 
 	return misc;
 }
-
-struct pmu *hw_perf_event_init(struct perf_event *event)
-{
-	struct pmu *tmp;
-	int err;
-
-	err = __hw_perf_event_init(event);
-	if (!err) {
-		/*
-		 * we temporarily connect event to its pmu
-		 * such that validate_group() can classify
-		 * it as an x86 event using is_x86_event()
-		 */
-		tmp = event->pmu;
-		event->pmu = &pmu;
-
-		if (event->group_leader != event)
-			err = validate_group(event);
-		else
-			err = validate_event(event);
-
-		event->pmu = tmp;
-	}
-	if (err) {
-		if (event->destroy)
-			event->destroy(event);
-		return ERR_PTR(err);
-	}
-
-	return &pmu;
-}