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-rw-r--r--arch/arm/include/asm/pmu.h21
-rw-r--r--arch/arm/kernel/perf_event.c14
-rw-r--r--arch/arm/kernel/perf_event_cpu.c141
-rw-r--r--arch/arm/kernel/perf_event_v6.c12
-rw-r--r--arch/arm/kernel/perf_event_v7.c10
-rw-r--r--arch/arm/kernel/perf_event_xscale.c20
-rw-r--r--drivers/bus/arm-cci.c13
7 files changed, 146 insertions, 85 deletions
diff --git a/arch/arm/include/asm/pmu.h b/arch/arm/include/asm/pmu.h
index 0cd7824ca76..b42e63fbb21 100644
--- a/arch/arm/include/asm/pmu.h
+++ b/arch/arm/include/asm/pmu.h
@@ -13,7 +13,9 @@
#define __ARM_PMU_H__
#include <linux/interrupt.h>
+#include <linux/percpu.h>
#include <linux/perf_event.h>
+#include <linux/types.h>
/*
* struct arm_pmu_platdata - ARM PMU platform data
@@ -71,6 +73,18 @@ struct cpupmu_regs {
u32 pmxevtcnt[8];
};
+struct arm_cpu_pmu {
+ bool valid;
+
+ u32 midr_match;
+ u32 midr_mask;
+
+ struct perf_event *hw_events[ARMPMU_MAX_HWEVENTS];
+ unsigned long used_mask[BITS_TO_LONGS(ARMPMU_MAX_HWEVENTS)];
+ struct pmu_hw_events cpu_hw_events;
+ struct cpupmu_regs cpu_pmu_regs;
+};
+
struct arm_pmu {
struct pmu pmu;
cpumask_t active_irqs;
@@ -98,11 +112,16 @@ struct arm_pmu {
struct mutex reserve_mutex;
u64 max_period;
struct platform_device *plat_device;
- struct pmu_hw_events *(*get_hw_events)(void);
+ struct pmu_hw_events *(*get_hw_events)(struct arm_pmu *);
+
+ struct list_head class_pmus_list;
+ struct arm_cpu_pmu __percpu *cpu_pmus;
};
#define to_arm_pmu(p) (container_of(p, struct arm_pmu, pmu))
+#define for_each_pmu(pmu, head) list_for_each_entry(pmu, head, class_pmus_list)
+
extern const struct dev_pm_ops armpmu_dev_pm_ops;
int armpmu_register(struct arm_pmu *armpmu, int type);
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index d847c622a7b..a60faca1f29 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -205,7 +205,7 @@ static void
armpmu_del(struct perf_event *event, int flags)
{
struct arm_pmu *armpmu = to_arm_pmu(event->pmu);
- struct pmu_hw_events *hw_events = armpmu->get_hw_events();
+ struct pmu_hw_events *hw_events = armpmu->get_hw_events(armpmu);
struct hw_perf_event *hwc = &event->hw;
int idx = hwc->idx;
@@ -223,7 +223,7 @@ static int
armpmu_add(struct perf_event *event, int flags)
{
struct arm_pmu *armpmu = to_arm_pmu(event->pmu);
- struct pmu_hw_events *hw_events = armpmu->get_hw_events();
+ struct pmu_hw_events *hw_events = armpmu->get_hw_events(armpmu);
struct hw_perf_event *hwc = &event->hw;
int idx;
int err = 0;
@@ -467,8 +467,14 @@ static int armpmu_event_init(struct perf_event *event)
static void armpmu_enable(struct pmu *pmu)
{
struct arm_pmu *armpmu = to_arm_pmu(pmu);
- struct pmu_hw_events *hw_events = armpmu->get_hw_events();
- int enabled = bitmap_weight(hw_events->used_mask, armpmu->num_events);
+ struct pmu_hw_events *hw_events = armpmu->get_hw_events(armpmu);
+ int enabled;
+
+ if (!cpumask_test_cpu(smp_processor_id(), &armpmu->valid_cpus))
+ return;
+
+ BUG_ON(!hw_events->used_mask); /* TEMPORARY */
+ enabled = bitmap_weight(hw_events->used_mask, armpmu->num_events);
if (enabled)
armpmu->start(armpmu);
diff --git a/arch/arm/kernel/perf_event_cpu.c b/arch/arm/kernel/perf_event_cpu.c
index 0b48a38e3cf..8b503bc6ee9 100644
--- a/arch/arm/kernel/perf_event_cpu.c
+++ b/arch/arm/kernel/perf_event_cpu.c
@@ -19,10 +19,13 @@
#define pr_fmt(fmt) "CPU PMU: " fmt
#include <linux/bitmap.h>
+#include <linux/cpumask.h>
#include <linux/cpu_pm.h>
#include <linux/export.h>
#include <linux/kernel.h>
+#include <linux/list.h>
#include <linux/of.h>
+#include <linux/percpu.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
@@ -31,14 +34,22 @@
#include <asm/irq_regs.h>
#include <asm/pmu.h>
-/* Set at runtime when we know what CPU type we are. */
-static DEFINE_PER_CPU(struct arm_pmu *, cpu_pmu);
+static LIST_HEAD(cpu_pmus_list);
-static DEFINE_PER_CPU(struct perf_event * [ARMPMU_MAX_HWEVENTS], hw_events);
-static DEFINE_PER_CPU(unsigned long [BITS_TO_LONGS(ARMPMU_MAX_HWEVENTS)], used_mask);
-static DEFINE_PER_CPU(struct pmu_hw_events, cpu_hw_events);
+#define cpu_for_each_pmu(pmu, cpu_pmu, cpu) \
+ for_each_pmu(pmu, &cpu_pmus_list) \
+ if (((cpu_pmu) = per_cpu_ptr((pmu)->cpu_pmus, cpu))->valid)
-static DEFINE_PER_CPU(struct cpupmu_regs, cpu_pmu_regs);
+static struct arm_pmu *__cpu_find_any_pmu(unsigned int cpu)
+{
+ struct arm_pmu *pmu;
+ struct arm_cpu_pmu *cpu_pmu;
+
+ cpu_for_each_pmu(pmu, cpu_pmu, cpu)
+ return pmu;
+
+ return NULL;
+}
/*
* Despite the names, these two functions are CPU-specific and are used
@@ -46,7 +57,7 @@ static DEFINE_PER_CPU(struct cpupmu_regs, cpu_pmu_regs);
*/
const char *perf_pmu_name(void)
{
- struct arm_pmu *pmu = per_cpu(cpu_pmu, 0);
+ struct arm_pmu *pmu = __cpu_find_any_pmu(0);
if (!pmu)
return NULL;
@@ -56,7 +67,7 @@ EXPORT_SYMBOL_GPL(perf_pmu_name);
int perf_num_counters(void)
{
- struct arm_pmu *pmu = per_cpu(cpu_pmu, 0);
+ struct arm_pmu *pmu = __cpu_find_any_pmu(0);
if (!pmu)
return 0;
@@ -70,9 +81,9 @@ EXPORT_SYMBOL_GPL(perf_num_counters);
#include "perf_event_v6.c"
#include "perf_event_v7.c"
-static struct pmu_hw_events *cpu_pmu_get_cpu_events(void)
+static struct pmu_hw_events *cpu_pmu_get_cpu_events(struct arm_pmu *pmu)
{
- return &__get_cpu_var(cpu_hw_events);
+ return &this_cpu_ptr(pmu->cpu_pmus)->cpu_hw_events;
}
static void cpu_pmu_free_irq(struct arm_pmu *cpu_pmu)
@@ -140,23 +151,27 @@ static int cpu_pmu_request_irq(struct arm_pmu *cpu_pmu, irq_handler_t handler)
return 0;
}
-static void cpu_pmu_init(struct arm_pmu *cpu_pmu)
+static void cpu_pmu_init(struct arm_pmu *pmu)
{
int cpu;
- for_each_cpu_mask(cpu, cpu_pmu->valid_cpus) {
- struct pmu_hw_events *events = &per_cpu(cpu_hw_events, cpu);
- events->events = per_cpu(hw_events, cpu);
- events->used_mask = per_cpu(used_mask, cpu);
+ for_each_cpu_mask(cpu, pmu->valid_cpus) {
+ struct arm_cpu_pmu *cpu_pmu = per_cpu_ptr(pmu->cpu_pmus, cpu);
+ struct pmu_hw_events *events = &cpu_pmu->cpu_hw_events;
+
+ events->events = cpu_pmu->hw_events;
+ events->used_mask = cpu_pmu->used_mask;
raw_spin_lock_init(&events->pmu_lock);
+
+ cpu_pmu->valid = true;
}
- cpu_pmu->get_hw_events = cpu_pmu_get_cpu_events;
- cpu_pmu->request_irq = cpu_pmu_request_irq;
- cpu_pmu->free_irq = cpu_pmu_free_irq;
+ pmu->get_hw_events = cpu_pmu_get_cpu_events;
+ pmu->request_irq = cpu_pmu_request_irq;
+ pmu->free_irq = cpu_pmu_free_irq;
/* Ensure the PMU has sane values out of reset. */
- if (cpu_pmu->reset)
- on_each_cpu_mask(&cpu_pmu->valid_cpus, cpu_pmu->reset, cpu_pmu, 1);
+ if (pmu->reset)
+ on_each_cpu_mask(&pmu->valid_cpus, pmu->reset, pmu, 1);
}
/*
@@ -168,36 +183,42 @@ static void cpu_pmu_init(struct arm_pmu *cpu_pmu)
static int __cpuinit cpu_pmu_notify(struct notifier_block *b,
unsigned long action, void *hcpu)
{
- struct arm_pmu *pmu = per_cpu(cpu_pmu, (long)hcpu);
+ struct arm_pmu *pmu;
+ struct arm_cpu_pmu *cpu_pmu;
+ int ret = NOTIFY_DONE;
if ((action & ~CPU_TASKS_FROZEN) != CPU_STARTING)
return NOTIFY_DONE;
- if (pmu && pmu->reset)
- pmu->reset(pmu);
- else
- return NOTIFY_DONE;
+ cpu_for_each_pmu(pmu, cpu_pmu, (unsigned int)hcpu)
+ if (pmu->reset) {
+ pmu->reset(pmu);
+ ret = NOTIFY_OK;
+ }
- return NOTIFY_OK;
+ return ret;
}
static int cpu_pmu_pm_notify(struct notifier_block *b,
unsigned long action, void *hcpu)
{
int cpu = smp_processor_id();
- struct arm_pmu *pmu = per_cpu(cpu_pmu, cpu);
- struct cpupmu_regs *pmuregs = &per_cpu(cpu_pmu_regs, cpu);
+ struct arm_pmu *pmu;
+ struct arm_cpu_pmu *cpu_pmu;
+ int ret = NOTIFY_DONE;
- if (!pmu)
- return NOTIFY_DONE;
+ cpu_for_each_pmu(pmu, cpu_pmu, cpu) {
+ struct cpupmu_regs *pmuregs = &cpu_pmu->cpu_pmu_regs;
- if (action == CPU_PM_ENTER && pmu->save_regs) {
- pmu->save_regs(pmu, pmuregs);
- } else if (action == CPU_PM_EXIT && pmu->restore_regs) {
- pmu->restore_regs(pmu, pmuregs);
+ if (action == CPU_PM_ENTER && pmu->save_regs)
+ pmu->save_regs(pmu, pmuregs);
+ else if (action == CPU_PM_EXIT && pmu->restore_regs)
+ pmu->restore_regs(pmu, pmuregs);
+
+ ret = NOTIFY_OK;
}
- return NOTIFY_OK;
+ return ret;
}
static struct notifier_block __cpuinitdata cpu_pmu_hotplug_notifier = {
@@ -286,19 +307,30 @@ static int probe_current_pmu(struct arm_pmu *pmu)
return ret;
}
+static void cpu_pmu_free(struct arm_pmu *pmu)
+{
+ if (!pmu)
+ return;
+
+ free_percpu(pmu->cpu_pmus);
+ kfree(pmu);
+}
+
static int cpu_pmu_device_probe(struct platform_device *pdev)
{
const struct of_device_id *of_id;
struct device_node *node = pdev->dev.of_node;
struct arm_pmu *pmu;
+ struct arm_cpu_pmu __percpu *cpu_pmus;
int ret = 0;
- int cpu;
pmu = kzalloc(sizeof(struct arm_pmu), GFP_KERNEL);
- if (!pmu) {
- pr_info("failed to allocate PMU device!");
- return -ENOMEM;
- }
+ if (!pmu)
+ goto error_nomem;
+
+ pmu->cpu_pmus = cpu_pmus = alloc_percpu(struct arm_cpu_pmu);
+ if (!cpu_pmus)
+ goto error_nomem;
if (node && (of_id = of_match_node(cpu_pmu_of_device_ids, pdev->dev.of_node))) {
smp_call_func_t init_fn = (smp_call_func_t)of_id->data;
@@ -317,9 +349,10 @@ static int cpu_pmu_device_probe(struct platform_device *pdev)
/* set sibling mask to all cpu mask if socket is not specified */
if (cluster == -1 ||
cluster_to_logical_mask(cluster, &sibling_mask))
- cpumask_setall(&sibling_mask);
+ cpumask_copy(&sibling_mask, cpu_possible_mask);
smp_call_function_any(&sibling_mask, init_fn, pmu, 1);
+ pmu->cpu_pmus = cpu_pmus; /* clobbered by init_fn */
/* now set the valid_cpus after init */
cpumask_copy(&pmu->valid_cpus, &sibling_mask);
@@ -327,24 +360,26 @@ static int cpu_pmu_device_probe(struct platform_device *pdev)
ret = probe_current_pmu(pmu);
}
- if (ret) {
- pr_info("failed to probe PMU!");
- goto out_free;
- }
-
- for_each_cpu_mask(cpu, pmu->valid_cpus)
- per_cpu(cpu_pmu, cpu) = pmu;
+ if (ret)
+ goto error;
pmu->plat_device = pdev;
cpu_pmu_init(pmu);
ret = armpmu_register(pmu, -1);
- if (!ret)
- return 0;
+ if (ret)
+ goto error;
-out_free:
- pr_info("failed to register PMU devices!");
- kfree(pmu);
+ list_add(&pmu->class_pmus_list, &cpu_pmus_list);
+ goto out;
+
+error_nomem:
+ pr_warn("out of memory\n");
+ ret = -ENOMEM;
+error:
+ pr_warn("failed to register PMU device(s)!\n");
+ cpu_pmu_free(pmu);
+out:
return ret;
}
diff --git a/arch/arm/kernel/perf_event_v6.c b/arch/arm/kernel/perf_event_v6.c
index 03664b0e8fa..a191bdb9ebd 100644
--- a/arch/arm/kernel/perf_event_v6.c
+++ b/arch/arm/kernel/perf_event_v6.c
@@ -439,7 +439,7 @@ static void armv6pmu_enable_event(struct perf_event *event)
unsigned long val, mask, evt, flags;
struct arm_pmu *cpu_pmu = to_arm_pmu(event->pmu);
struct hw_perf_event *hwc = &event->hw;
- struct pmu_hw_events *events = cpu_pmu->get_hw_events();
+ struct pmu_hw_events *events = cpu_pmu->get_hw_events(cpu_pmu);
int idx = hwc->idx;
if (ARMV6_CYCLE_COUNTER == idx) {
@@ -477,7 +477,7 @@ armv6pmu_handle_irq(int irq_num,
unsigned long pmcr = armv6_pmcr_read();
struct perf_sample_data data;
struct arm_pmu *cpu_pmu = (struct arm_pmu *)dev;
- struct pmu_hw_events *cpuc = cpu_pmu->get_hw_events();
+ struct pmu_hw_events *cpuc = cpu_pmu->get_hw_events(cpu_pmu);
struct pt_regs *regs;
int idx;
@@ -533,7 +533,7 @@ armv6pmu_handle_irq(int irq_num,
static void armv6pmu_start(struct arm_pmu *cpu_pmu)
{
unsigned long flags, val;
- struct pmu_hw_events *events = cpu_pmu->get_hw_events();
+ struct pmu_hw_events *events = cpu_pmu->get_hw_events(cpu_pmu);
raw_spin_lock_irqsave(&events->pmu_lock, flags);
val = armv6_pmcr_read();
@@ -545,7 +545,7 @@ static void armv6pmu_start(struct arm_pmu *cpu_pmu)
static void armv6pmu_stop(struct arm_pmu *cpu_pmu)
{
unsigned long flags, val;
- struct pmu_hw_events *events = cpu_pmu->get_hw_events();
+ struct pmu_hw_events *events = cpu_pmu->get_hw_events(cpu_pmu);
raw_spin_lock_irqsave(&events->pmu_lock, flags);
val = armv6_pmcr_read();
@@ -586,7 +586,7 @@ static void armv6pmu_disable_event(struct perf_event *event)
unsigned long val, mask, evt, flags;
struct arm_pmu *cpu_pmu = to_arm_pmu(event->pmu);
struct hw_perf_event *hwc = &event->hw;
- struct pmu_hw_events *events = cpu_pmu->get_hw_events();
+ struct pmu_hw_events *events = cpu_pmu->get_hw_events(cpu_pmu);
int idx = hwc->idx;
if (ARMV6_CYCLE_COUNTER == idx) {
@@ -621,7 +621,7 @@ static void armv6mpcore_pmu_disable_event(struct perf_event *event)
unsigned long val, mask, flags, evt = 0;
struct arm_pmu *cpu_pmu = to_arm_pmu(event->pmu);
struct hw_perf_event *hwc = &event->hw;
- struct pmu_hw_events *events = cpu_pmu->get_hw_events();
+ struct pmu_hw_events *events = cpu_pmu->get_hw_events(cpu_pmu);
int idx = hwc->idx;
if (ARMV6_CYCLE_COUNTER == idx) {
diff --git a/arch/arm/kernel/perf_event_v7.c b/arch/arm/kernel/perf_event_v7.c
index dd1ad0ec29e..d2b75fb71e3 100644
--- a/arch/arm/kernel/perf_event_v7.c
+++ b/arch/arm/kernel/perf_event_v7.c
@@ -1000,7 +1000,7 @@ static void armv7pmu_enable_event(struct perf_event *event)
unsigned long flags;
struct hw_perf_event *hwc = &event->hw;
struct arm_pmu *cpu_pmu = to_arm_pmu(event->pmu);
- struct pmu_hw_events *events = cpu_pmu->get_hw_events();
+ struct pmu_hw_events *events = cpu_pmu->get_hw_events(cpu_pmu);
int idx = hwc->idx;
if (!armv7_pmnc_counter_valid(cpu_pmu, idx)) {
@@ -1046,7 +1046,7 @@ static void armv7pmu_disable_event(struct perf_event *event)
unsigned long flags;
struct hw_perf_event *hwc = &event->hw;
struct arm_pmu *cpu_pmu = to_arm_pmu(event->pmu);
- struct pmu_hw_events *events = cpu_pmu->get_hw_events();
+ struct pmu_hw_events *events = cpu_pmu->get_hw_events(cpu_pmu);
int idx = hwc->idx;
if (!armv7_pmnc_counter_valid(cpu_pmu, idx)) {
@@ -1078,7 +1078,7 @@ static irqreturn_t armv7pmu_handle_irq(int irq_num, void *dev)
u32 pmnc;
struct perf_sample_data data;
struct arm_pmu *cpu_pmu = (struct arm_pmu *)dev;
- struct pmu_hw_events *cpuc = cpu_pmu->get_hw_events();
+ struct pmu_hw_events *cpuc = cpu_pmu->get_hw_events(cpu_pmu);
struct pt_regs *regs;
int idx;
@@ -1138,7 +1138,7 @@ static irqreturn_t armv7pmu_handle_irq(int irq_num, void *dev)
static void armv7pmu_start(struct arm_pmu *cpu_pmu)
{
unsigned long flags;
- struct pmu_hw_events *events = cpu_pmu->get_hw_events();
+ struct pmu_hw_events *events = cpu_pmu->get_hw_events(cpu_pmu);
raw_spin_lock_irqsave(&events->pmu_lock, flags);
/* Enable all counters */
@@ -1149,7 +1149,7 @@ static void armv7pmu_start(struct arm_pmu *cpu_pmu)
static void armv7pmu_stop(struct arm_pmu *cpu_pmu)
{
unsigned long flags;
- struct pmu_hw_events *events = cpu_pmu->get_hw_events();
+ struct pmu_hw_events *events = cpu_pmu->get_hw_events(cpu_pmu);
raw_spin_lock_irqsave(&events->pmu_lock, flags);
/* Disable all counters */
diff --git a/arch/arm/kernel/perf_event_xscale.c b/arch/arm/kernel/perf_event_xscale.c
index 63990c42fac..cd670eafbb5 100644
--- a/arch/arm/kernel/perf_event_xscale.c
+++ b/arch/arm/kernel/perf_event_xscale.c
@@ -225,7 +225,7 @@ xscale1pmu_handle_irq(int irq_num, void *dev)
unsigned long pmnc;
struct perf_sample_data data;
struct arm_pmu *cpu_pmu = (struct arm_pmu *)dev;
- struct pmu_hw_events *cpuc = cpu_pmu->get_hw_events();
+ struct pmu_hw_events *cpuc = cpu_pmu->get_hw_events(cpu_pmu);
struct pt_regs *regs;
int idx;
@@ -285,7 +285,7 @@ static void xscale1pmu_enable_event(struct perf_event *event)
unsigned long val, mask, evt, flags;
struct arm_pmu *cpu_pmu = to_arm_pmu(event->pmu);
struct hw_perf_event *hwc = &event->hw;
- struct pmu_hw_events *events = cpu_pmu->get_hw_events();
+ struct pmu_hw_events *events = cpu_pmu->get_hw_events(cpu_pmu);
int idx = hwc->idx;
switch (idx) {
@@ -321,7 +321,7 @@ static void xscale1pmu_disable_event(struct perf_event *event)
unsigned long val, mask, evt, flags;
struct arm_pmu *cpu_pmu = to_arm_pmu(event->pmu);
struct hw_perf_event *hwc = &event->hw;
- struct pmu_hw_events *events = cpu_pmu->get_hw_events();
+ struct pmu_hw_events *events = cpu_pmu->get_hw_events(cpu_pmu);
int idx = hwc->idx;
switch (idx) {
@@ -374,7 +374,7 @@ xscale1pmu_get_event_idx(struct pmu_hw_events *cpuc,
static void xscale1pmu_start(struct arm_pmu *cpu_pmu)
{
unsigned long flags, val;
- struct pmu_hw_events *events = cpu_pmu->get_hw_events();
+ struct pmu_hw_events *events = cpu_pmu->get_hw_events(cpu_pmu);
raw_spin_lock_irqsave(&events->pmu_lock, flags);
val = xscale1pmu_read_pmnc();
@@ -386,7 +386,7 @@ static void xscale1pmu_start(struct arm_pmu *cpu_pmu)
static void xscale1pmu_stop(struct arm_pmu *cpu_pmu)
{
unsigned long flags, val;
- struct pmu_hw_events *events = cpu_pmu->get_hw_events();
+ struct pmu_hw_events *events = cpu_pmu->get_hw_events(cpu_pmu);
raw_spin_lock_irqsave(&events->pmu_lock, flags);
val = xscale1pmu_read_pmnc();
@@ -572,7 +572,7 @@ xscale2pmu_handle_irq(int irq_num, void *dev)
unsigned long pmnc, of_flags;
struct perf_sample_data data;
struct arm_pmu *cpu_pmu = (struct arm_pmu *)dev;
- struct pmu_hw_events *cpuc = cpu_pmu->get_hw_events();
+ struct pmu_hw_events *cpuc = cpu_pmu->get_hw_events(cpu_pmu);
struct pt_regs *regs;
int idx;
@@ -626,7 +626,7 @@ static void xscale2pmu_enable_event(struct perf_event *event)
unsigned long flags, ien, evtsel;
struct arm_pmu *cpu_pmu = to_arm_pmu(event->pmu);
struct hw_perf_event *hwc = &event->hw;
- struct pmu_hw_events *events = cpu_pmu->get_hw_events();
+ struct pmu_hw_events *events = cpu_pmu->get_hw_events(cpu_pmu);
int idx = hwc->idx;
ien = xscale2pmu_read_int_enable();
@@ -672,7 +672,7 @@ static void xscale2pmu_disable_event(struct perf_event *event)
unsigned long flags, ien, evtsel, of_flags;
struct arm_pmu *cpu_pmu = to_arm_pmu(event->pmu);
struct hw_perf_event *hwc = &event->hw;
- struct pmu_hw_events *events = cpu_pmu->get_hw_events();
+ struct pmu_hw_events *events = cpu_pmu->get_hw_events(cpu_pmu);
int idx = hwc->idx;
ien = xscale2pmu_read_int_enable();
@@ -738,7 +738,7 @@ out:
static void xscale2pmu_start(struct arm_pmu *cpu_pmu)
{
unsigned long flags, val;
- struct pmu_hw_events *events = cpu_pmu->get_hw_events();
+ struct pmu_hw_events *events = cpu_pmu->get_hw_events(cpu_pmu);
raw_spin_lock_irqsave(&events->pmu_lock, flags);
val = xscale2pmu_read_pmnc() & ~XSCALE_PMU_CNT64;
@@ -750,7 +750,7 @@ static void xscale2pmu_start(struct arm_pmu *cpu_pmu)
static void xscale2pmu_stop(struct arm_pmu *cpu_pmu)
{
unsigned long flags, val;
- struct pmu_hw_events *events = cpu_pmu->get_hw_events();
+ struct pmu_hw_events *events = cpu_pmu->get_hw_events(cpu_pmu);
raw_spin_lock_irqsave(&events->pmu_lock, flags);
val = xscale2pmu_read_pmnc();
diff --git a/drivers/bus/arm-cci.c b/drivers/bus/arm-cci.c
index b110645bc56..eee1c5722fd 100644
--- a/drivers/bus/arm-cci.c
+++ b/drivers/bus/arm-cci.c
@@ -156,7 +156,8 @@ static u32 cci_pmu_get_max_counters(void)
return n_cnts + 1;
}
-static struct pmu_hw_events *cci_pmu_get_hw_events(void)
+static struct pmu_hw_events *cci_pmu_get_hw_events(
+ struct arm_pmu *__always_unused pmu)
{
return &cci_hw_events;
}
@@ -233,7 +234,7 @@ static int cci_pmu_request_irq(struct arm_pmu *cci_pmu, irq_handler_t handler)
static irqreturn_t cci_pmu_handle_irq(int irq_num, void *dev)
{
struct arm_pmu *cci_pmu = (struct arm_pmu *)dev;
- struct pmu_hw_events *events = cci_pmu->get_hw_events();
+ struct pmu_hw_events *events = cci_pmu->get_hw_events(cci_pmu);
struct perf_sample_data data;
struct pt_regs *regs;
int idx;
@@ -285,7 +286,7 @@ static void cci_pmu_enable_event(struct perf_event *event)
{
unsigned long flags;
struct arm_pmu *cci_pmu = to_arm_pmu(event->pmu);
- struct pmu_hw_events *events = cci_pmu->get_hw_events();
+ struct pmu_hw_events *events = cci_pmu->get_hw_events(cci_pmu);
struct hw_perf_event *hw_counter = &event->hw;
int idx = hw_counter->idx;
@@ -309,7 +310,7 @@ static void cci_pmu_disable_event(struct perf_event *event)
{
unsigned long flags;
struct arm_pmu *cci_pmu = to_arm_pmu(event->pmu);
- struct pmu_hw_events *events = cci_pmu->get_hw_events();
+ struct pmu_hw_events *events = cci_pmu->get_hw_events(cci_pmu);
struct hw_perf_event *hw_counter = &event->hw;
int idx = hw_counter->idx;
@@ -330,7 +331,7 @@ static void cci_pmu_start(struct arm_pmu *cci_pmu)
u32 val;
unsigned long flags;
struct cci_drvdata *info = platform_get_drvdata(cci_pmu->plat_device);
- struct pmu_hw_events *events = cci_pmu->get_hw_events();
+ struct pmu_hw_events *events = cci_pmu->get_hw_events(cci_pmu);
raw_spin_lock_irqsave(&events->pmu_lock, flags);
@@ -346,7 +347,7 @@ static void cci_pmu_stop(struct arm_pmu *cci_pmu)
u32 val;
unsigned long flags;
struct cci_drvdata *info = platform_get_drvdata(cci_pmu->plat_device);
- struct pmu_hw_events *events = cci_pmu->get_hw_events();
+ struct pmu_hw_events *events = cci_pmu->get_hw_events(cci_pmu);
raw_spin_lock_irqsave(&events->pmu_lock, flags);
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-28 01:49:03 +0000