diff options
| author | Jiri Olsa <jolsa@redhat.com> | 2019-05-24 15:21:52 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-06-17 12:36:23 +0200 |
| commit | b7c9b3927337b43b3c854064b9c17b84cb7ef0dc (patch) | |
| tree | dc147b882bb2f48a709eb493b45eba626fa2615a /arch/x86/events/intel/core.c | |
| parent | ee49532b38dd084650bf715eabe7e3828fb8d275 (diff) | |
perf/x86/intel: Use ->is_visible callback for default group
It's preffered to use group's ->is_visible callback, so
we do not need to use condition attribute assignment.
Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20190524132152.GB26617@krava
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/events/intel/core.c')
| -rw-r--r-- | arch/x86/events/intel/core.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index 4377bf6a6f82..5e6ae481dee7 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -4391,7 +4391,7 @@ static DEVICE_ATTR(allow_tsx_force_abort, 0644, static struct attribute *intel_pmu_attrs[] = { &dev_attr_freeze_on_smi.attr, - NULL, /* &dev_attr_allow_tsx_force_abort.attr.attr */ + &dev_attr_allow_tsx_force_abort.attr, NULL, }; @@ -4419,6 +4419,15 @@ exra_is_visible(struct kobject *kobj, struct attribute *attr, int i) return x86_pmu.version >= 2 ? attr->mode : 0; } +static umode_t +default_is_visible(struct kobject *kobj, struct attribute *attr, int i) +{ + if (attr == &dev_attr_allow_tsx_force_abort.attr) + return x86_pmu.flags & PMU_FL_TFA ? attr->mode : 0; + + return attr->mode; +} + static struct attribute_group group_events_td = { .name = "events", }; @@ -4455,7 +4464,8 @@ static struct attribute_group group_format_extra_skl = { }; static struct attribute_group group_default = { - .attrs = intel_pmu_attrs, + .attrs = intel_pmu_attrs, + .is_visible = default_is_visible, }; static const struct attribute_group *attr_update[] = { @@ -4979,7 +4989,6 @@ __init int intel_pmu_init(void) x86_pmu.get_event_constraints = tfa_get_event_constraints; x86_pmu.enable_all = intel_tfa_pmu_enable_all; x86_pmu.commit_scheduling = intel_tfa_commit_scheduling; - intel_pmu_attrs[1] = &dev_attr_allow_tsx_force_abort.attr; } pr_cont("Skylake events, "); |