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Subject[RFCv4 2/7] arm64: perf: move to common attr_group fields
Date
By using a common attr_groups array, the common arm_pmu code can set up
common files (e.g. cpumask) for us in subsequent patches.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
---
arch/arm64/kernel/perf_event.c | 36 ++++++++++++++++++++++++------------
1 file changed, 24 insertions(+), 12 deletions(-)

diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
index 838ccf1..bcc8dff 100644
--- a/arch/arm64/kernel/perf_event.c
+++ b/arch/arm64/kernel/perf_event.c
@@ -523,12 +523,6 @@ static struct attribute_group armv8_pmuv3_format_attr_group = {
.attrs = armv8_pmuv3_format_attrs,
};

-static const struct attribute_group *armv8_pmuv3_attr_groups[] = {
- &armv8_pmuv3_events_attr_group,
- &armv8_pmuv3_format_attr_group,
- NULL,
-};
-
/*
* Perf Events' indices
*/
@@ -985,7 +979,10 @@ static int armv8_pmuv3_init(struct arm_pmu *cpu_pmu)
armv8_pmu_init(cpu_pmu);
cpu_pmu->name = "armv8_pmuv3";
cpu_pmu->map_event = armv8_pmuv3_map_event;
- cpu_pmu->pmu.attr_groups = armv8_pmuv3_attr_groups;
+ cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_EVENTS] =
+ &armv8_pmuv3_events_attr_group;
+ cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_FORMATS] =
+ &armv8_pmuv3_format_attr_group;
return armv8pmu_probe_pmu(cpu_pmu);
}

@@ -994,7 +991,10 @@ static int armv8_a53_pmu_init(struct arm_pmu *cpu_pmu)
armv8_pmu_init(cpu_pmu);
cpu_pmu->name = "armv8_cortex_a53";
cpu_pmu->map_event = armv8_a53_map_event;
- cpu_pmu->pmu.attr_groups = armv8_pmuv3_attr_groups;
+ cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_EVENTS] =
+ &armv8_pmuv3_events_attr_group;
+ cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_FORMATS] =
+ &armv8_pmuv3_format_attr_group;
return armv8pmu_probe_pmu(cpu_pmu);
}

@@ -1003,7 +1003,10 @@ static int armv8_a57_pmu_init(struct arm_pmu *cpu_pmu)
armv8_pmu_init(cpu_pmu);
cpu_pmu->name = "armv8_cortex_a57";
cpu_pmu->map_event = armv8_a57_map_event;
- cpu_pmu->pmu.attr_groups = armv8_pmuv3_attr_groups;
+ cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_EVENTS] =
+ &armv8_pmuv3_events_attr_group;
+ cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_FORMATS] =
+ &armv8_pmuv3_format_attr_group;
return armv8pmu_probe_pmu(cpu_pmu);
}

@@ -1012,7 +1015,10 @@ static int armv8_a72_pmu_init(struct arm_pmu *cpu_pmu)
armv8_pmu_init(cpu_pmu);
cpu_pmu->name = "armv8_cortex_a72";
cpu_pmu->map_event = armv8_a57_map_event;
- cpu_pmu->pmu.attr_groups = armv8_pmuv3_attr_groups;
+ cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_EVENTS] =
+ &armv8_pmuv3_events_attr_group;
+ cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_FORMATS] =
+ &armv8_pmuv3_format_attr_group;
return armv8pmu_probe_pmu(cpu_pmu);
}

@@ -1021,7 +1027,10 @@ static int armv8_thunder_pmu_init(struct arm_pmu *cpu_pmu)
armv8_pmu_init(cpu_pmu);
cpu_pmu->name = "armv8_cavium_thunder";
cpu_pmu->map_event = armv8_thunder_map_event;
- cpu_pmu->pmu.attr_groups = armv8_pmuv3_attr_groups;
+ cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_EVENTS] =
+ &armv8_pmuv3_events_attr_group;
+ cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_FORMATS] =
+ &armv8_pmuv3_format_attr_group;
return armv8pmu_probe_pmu(cpu_pmu);
}

@@ -1030,7 +1039,10 @@ static int armv8_vulcan_pmu_init(struct arm_pmu *cpu_pmu)
armv8_pmu_init(cpu_pmu);
cpu_pmu->name = "armv8_brcm_vulcan";
cpu_pmu->map_event = armv8_vulcan_map_event;
- cpu_pmu->pmu.attr_groups = armv8_pmuv3_attr_groups;
+ cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_EVENTS] =
+ &armv8_pmuv3_events_attr_group;
+ cpu_pmu->attr_groups[ARMPMU_ATTR_GROUP_FORMATS] =
+ &armv8_pmuv3_format_attr_group;
return armv8pmu_probe_pmu(cpu_pmu);
}

--
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