diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-09-22 12:09:46 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-09-22 12:09:46 -0700 |
| commit | c79bd89282136a4516e842fa542d6abf902ddeac (patch) | |
| tree | 821b727ae853a321c92840cb7be8b9fddcc8103c /arch/sparc/kernel/perf_event.c | |
| parent | 9a81c16b527528ad307843be5571111aa8d35a80 (diff) | |
| parent | c27852597829128a9c9d96d79ec454a83c6b0da5 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
sparc: Prevent no-handler signal syscall restart recursion.
sparc: Don't mask signal when we can't setup signal frame.
sparc64: Fix race in signal instruction flushing.
sparc64: Support RAW perf events.
Diffstat (limited to 'arch/sparc/kernel/perf_event.c')
| -rw-r--r-- | arch/sparc/kernel/perf_event.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c index 357ced3c33ff..6318e622cfb0 100644 --- a/arch/sparc/kernel/perf_event.c +++ b/arch/sparc/kernel/perf_event.c @@ -1038,6 +1038,7 @@ static int __hw_perf_event_init(struct perf_event *event) if (atomic_read(&nmi_active) < 0) return -ENODEV; + pmap = NULL; if (attr->type == PERF_TYPE_HARDWARE) { if (attr->config >= sparc_pmu->max_events) return -EINVAL; @@ -1046,9 +1047,18 @@ static int __hw_perf_event_init(struct perf_event *event) pmap = sparc_map_cache_event(attr->config); if (IS_ERR(pmap)) return PTR_ERR(pmap); - } else + } else if (attr->type != PERF_TYPE_RAW) return -EOPNOTSUPP; + if (pmap) { + hwc->event_base = perf_event_encode(pmap); + } else { + /* User gives us "(encoding << 16) | pic_mask" for + * PERF_TYPE_RAW events. + */ + hwc->event_base = attr->config; + } + /* We save the enable bits in the config_base. */ hwc->config_base = sparc_pmu->irq_bit; if (!attr->exclude_user) @@ -1058,8 +1068,6 @@ static int __hw_perf_event_init(struct perf_event *event) if (!attr->exclude_hv) hwc->config_base |= sparc_pmu->hv_bit; - hwc->event_base = perf_event_encode(pmap); - n = 0; if (event->group_leader != event) { n = collect_events(event->group_leader, |