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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>
This commit is contained in:
Jiri Olsa 2019-05-24 15:21:52 +02:00 committed by Ingo Molnar
parent ee49532b38
commit b7c9b39273
1 changed files with 12 additions and 3 deletions
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15
arch/x86/events/intel/core.c
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@ -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, ");