x86, perf: P4 PMU -- configure predefined events

If an event is not RAW we should not exit p4_hw_config
early but call x86_setup_perfctr as well.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Lin Ming <ming.m.lin@intel.com>
Cc: Robert Richter <robert.richter@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/kernel/cpu/perf_event_p4.c b/arch/x86/kernel/cpu/perf_event_p4.c
index 9e00205..b1f532d 100644 (file)
--- a/arch/x86/kernel/cpu/perf_event_p4.c
+++ b/arch/x86/kernel/cpu/perf_event_p4.c
@@ -439,21 +439,20 @@ static int p4_hw_config(struct perf_event *event)
        if (p4_ht_active() && p4_ht_thread(cpu))
                event->hw.config = p4_set_ht_bit(event->hw.config);
 
-       if (event->attr.type != PERF_TYPE_RAW)
-               return 0;
-
-       /*
-        * We don't control raw events so it's up to the caller
-        * to pass sane values (and we don't count the thread number
-        * on HT machine but allow HT-compatible specifics to be
-        * passed on)
-        *
-        * XXX: HT wide things should check perf_paranoid_cpu() &&
-        *      CAP_SYS_ADMIN
-        */
-       event->hw.config |= event->attr.config &
-               (p4_config_pack_escr(P4_ESCR_MASK_HT) |
-                p4_config_pack_cccr(P4_CCCR_MASK_HT));
+       if (event->attr.type == PERF_TYPE_RAW) {
+               /*
+                * We don't control raw events so it's up to the caller
+                * to pass sane values (and we don't count the thread number
+                * on HT machine but allow HT-compatible specifics to be
+                * passed on)
+                *
+                * XXX: HT wide things should check perf_paranoid_cpu() &&
+                *      CAP_SYS_ADMIN
+                */
+               event->hw.config |= event->attr.config &
+                       (p4_config_pack_escr(P4_ESCR_MASK_HT) |
+                        p4_config_pack_cccr(P4_CCCR_MASK_HT));
+       }
 
        return x86_setup_perfctr(event);
 }