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Subject[RFC][PATCH 02/19] perf: deconstify struct pmu
sed -ie 's/const struct pmu\>/struct pmu/g' `git grep -l "const struct pmu\>"`

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
---
arch/alpha/kernel/perf_event.c | 4 ++--
arch/arm/kernel/perf_event.c | 2 +-
arch/powerpc/kernel/perf_event.c | 8 ++++----
arch/powerpc/kernel/perf_event_fsl_emb.c | 2 +-
arch/sh/kernel/perf_event.c | 4 ++--
arch/sparc/kernel/perf_event.c | 10 +++++-----
arch/x86/kernel/cpu/perf_event.c | 14 +++++++-------
include/linux/perf_event.h | 10 +++++-----
kernel/perf_event.c | 26 +++++++++++++-------------
9 files changed, 40 insertions(+), 40 deletions(-)

Index: linux-2.6/arch/arm/kernel/perf_event.c
===================================================================
--- linux-2.6.orig/arch/arm/kernel/perf_event.c
+++ linux-2.6/arch/arm/kernel/perf_event.c
@@ -491,7 +491,7 @@ __hw_perf_event_init(struct perf_event *
return err;
}

-const struct pmu *
+struct pmu *
hw_perf_event_init(struct perf_event *event)
{
int err = 0;
Index: linux-2.6/arch/powerpc/kernel/perf_event.c
===================================================================
--- linux-2.6.orig/arch/powerpc/kernel/perf_event.c
+++ linux-2.6/arch/powerpc/kernel/perf_event.c
@@ -857,7 +857,7 @@ static void power_pmu_unthrottle(struct
* Set the flag to make pmu::enable() not perform the
* schedulability test, it will be performed at commit time
*/
-void power_pmu_start_txn(const struct pmu *pmu)
+void power_pmu_start_txn(struct pmu *pmu)
{
struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events);

@@ -870,7 +870,7 @@ void power_pmu_start_txn(const struct pm
* Clear the flag and pmu::enable() will perform the
* schedulability test.
*/
-void power_pmu_cancel_txn(const struct pmu *pmu)
+void power_pmu_cancel_txn(struct pmu *pmu)
{
struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events);

@@ -882,7 +882,7 @@ void power_pmu_cancel_txn(const struct p
* Perform the group schedulability test as a whole
* Return 0 if success
*/
-int power_pmu_commit_txn(const struct pmu *pmu)
+int power_pmu_commit_txn(struct pmu *pmu)
{
struct cpu_hw_events *cpuhw;
long i, n;
@@ -1014,7 +1014,7 @@ static int hw_perf_cache_event(u64 confi
return 0;
}

-const struct pmu *hw_perf_event_init(struct perf_event *event)
+struct pmu *hw_perf_event_init(struct perf_event *event)
{
u64 ev;
unsigned long flags;
Index: linux-2.6/arch/powerpc/kernel/perf_event_fsl_emb.c
===================================================================
--- linux-2.6.orig/arch/powerpc/kernel/perf_event_fsl_emb.c
+++ linux-2.6/arch/powerpc/kernel/perf_event_fsl_emb.c
@@ -428,7 +428,7 @@ static int hw_perf_cache_event(u64 confi
return 0;
}

-const struct pmu *hw_perf_event_init(struct perf_event *event)
+struct pmu *hw_perf_event_init(struct perf_event *event)
{
u64 ev;
struct perf_event *events[MAX_HWEVENTS];
Index: linux-2.6/arch/sh/kernel/perf_event.c
===================================================================
--- linux-2.6.orig/arch/sh/kernel/perf_event.c
+++ linux-2.6/arch/sh/kernel/perf_event.c
@@ -257,13 +257,13 @@ static void sh_pmu_read(struct perf_even
sh_perf_event_update(event, &event->hw, event->hw.idx);
}

-static const struct pmu pmu = {
+static struct pmu pmu = {
.enable = sh_pmu_enable,
.disable = sh_pmu_disable,
.read = sh_pmu_read,
};

-const struct pmu *hw_perf_event_init(struct perf_event *event)
+struct pmu *hw_perf_event_init(struct perf_event *event)
{
int err = __hw_perf_event_init(event);
if (unlikely(err)) {
Index: linux-2.6/arch/sparc/kernel/perf_event.c
===================================================================
--- linux-2.6.orig/arch/sparc/kernel/perf_event.c
+++ linux-2.6/arch/sparc/kernel/perf_event.c
@@ -1099,7 +1099,7 @@ static int __hw_perf_event_init(struct p
* Set the flag to make pmu::enable() not perform the
* schedulability test, it will be performed at commit time
*/
-static void sparc_pmu_start_txn(const struct pmu *pmu)
+static void sparc_pmu_start_txn(struct pmu *pmu)
{
struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events);

@@ -1111,7 +1111,7 @@ static void sparc_pmu_start_txn(const st
* Clear the flag and pmu::enable() will perform the
* schedulability test.
*/
-static void sparc_pmu_cancel_txn(const struct pmu *pmu)
+static void sparc_pmu_cancel_txn(struct pmu *pmu)
{
struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events);

@@ -1123,7 +1123,7 @@ static void sparc_pmu_cancel_txn(const s
* Perform the group schedulability test as a whole
* Return 0 if success
*/
-static int sparc_pmu_commit_txn(const struct pmu *pmu)
+static int sparc_pmu_commit_txn(struct pmu *pmu)
{
struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
int n;
@@ -1142,7 +1142,7 @@ static int sparc_pmu_commit_txn(const st
return 0;
}

-static const struct pmu pmu = {
+static struct pmu pmu = {
.enable = sparc_pmu_enable,
.disable = sparc_pmu_disable,
.read = sparc_pmu_read,
@@ -1152,7 +1152,7 @@ static const struct pmu pmu = {
.commit_txn = sparc_pmu_commit_txn,
};

-const struct pmu *hw_perf_event_init(struct perf_event *event)
+struct pmu *hw_perf_event_init(struct perf_event *event)
{
int err = __hw_perf_event_init(event);

Index: linux-2.6/arch/x86/kernel/cpu/perf_event.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/cpu/perf_event.c
+++ linux-2.6/arch/x86/kernel/cpu/perf_event.c
@@ -618,7 +618,7 @@ static void x86_pmu_enable_all(int added
}
}

-static const struct pmu pmu;
+static struct pmu pmu;

static inline int is_x86_event(struct perf_event *event)
{
@@ -1394,7 +1394,7 @@ static inline void x86_pmu_read(struct p
* Set the flag to make pmu::enable() not perform the
* schedulability test, it will be performed at commit time
*/
-static void x86_pmu_start_txn(const struct pmu *pmu)
+static void x86_pmu_start_txn(struct pmu *pmu)
{
struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);

@@ -1407,7 +1407,7 @@ static void x86_pmu_start_txn(const stru
* Clear the flag and pmu::enable() will perform the
* schedulability test.
*/
-static void x86_pmu_cancel_txn(const struct pmu *pmu)
+static void x86_pmu_cancel_txn(struct pmu *pmu)
{
struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);

@@ -1424,7 +1424,7 @@ static void x86_pmu_cancel_txn(const str
* Perform the group schedulability test as a whole
* Return 0 if success
*/
-static int x86_pmu_commit_txn(const struct pmu *pmu)
+static int x86_pmu_commit_txn(struct pmu *pmu)
{
struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
int assign[X86_PMC_IDX_MAX];
@@ -1450,7 +1450,7 @@ static int x86_pmu_commit_txn(const stru
return 0;
}

-static const struct pmu pmu = {
+static struct pmu pmu = {
.enable = x86_pmu_enable,
.disable = x86_pmu_disable,
.start = x86_pmu_start,
@@ -1536,9 +1536,9 @@ out:
return ret;
}

-const struct pmu *hw_perf_event_init(struct perf_event *event)
+struct pmu *hw_perf_event_init(struct perf_event *event)
{
- const struct pmu *tmp;
+ struct pmu *tmp;
int err;

err = __hw_perf_event_init(event);
Index: linux-2.6/include/linux/perf_event.h
===================================================================
--- linux-2.6.orig/include/linux/perf_event.h
+++ linux-2.6/include/linux/perf_event.h
@@ -578,19 +578,19 @@ struct pmu {
* Start the transaction, after this ->enable() doesn't need
* to do schedulability tests.
*/
- void (*start_txn) (const struct pmu *pmu);
+ void (*start_txn) (struct pmu *pmu);
/*
* If ->start_txn() disabled the ->enable() schedulability test
* then ->commit_txn() is required to perform one. On success
* the transaction is closed. On error the transaction is kept
* open until ->cancel_txn() is called.
*/
- int (*commit_txn) (const struct pmu *pmu);
+ int (*commit_txn) (struct pmu *pmu);
/*
* Will cancel the transaction, assumes ->disable() is called for
* each successfull ->enable() during the transaction.
*/
- void (*cancel_txn) (const struct pmu *pmu);
+ void (*cancel_txn) (struct pmu *pmu);
};

/**
@@ -669,7 +669,7 @@ struct perf_event {
int nr_siblings;
int group_flags;
struct perf_event *group_leader;
- const struct pmu *pmu;
+ struct pmu *pmu;

enum perf_event_active_state state;
unsigned int attach_state;
@@ -847,7 +847,7 @@ struct perf_output_handle {
*/
extern int perf_max_events;

-extern const struct pmu *hw_perf_event_init(struct perf_event *event);
+extern struct pmu *hw_perf_event_init(struct perf_event *event);

extern void perf_event_task_sched_in(struct task_struct *task);
extern void perf_event_task_sched_out(struct task_struct *task, struct task_struct *next);
Index: linux-2.6/kernel/perf_event.c
===================================================================
--- linux-2.6.orig/kernel/perf_event.c
+++ linux-2.6/kernel/perf_event.c
@@ -75,7 +75,7 @@ static DEFINE_SPINLOCK(perf_resource_loc
/*
* Architecture provided APIs - weak aliases:
*/
-extern __weak const struct pmu *hw_perf_event_init(struct perf_event *event)
+extern __weak struct pmu *hw_perf_event_init(struct perf_event *event)
{
return NULL;
}
@@ -673,7 +673,7 @@ group_sched_in(struct perf_event *group_
struct perf_event_context *ctx)
{
struct perf_event *event, *partial_group = NULL;
- const struct pmu *pmu = group_event->pmu;
+ struct pmu *pmu = group_event->pmu;
bool txn = false;

if (group_event->state == PERF_EVENT_STATE_OFF)
@@ -4291,7 +4291,7 @@ static int perf_swevent_int(struct perf_
return 0;
}

-static const struct pmu perf_ops_generic = {
+static struct pmu perf_ops_generic = {
.enable = perf_swevent_enable,
.disable = perf_swevent_disable,
.start = perf_swevent_int,
@@ -4404,7 +4404,7 @@ static void cpu_clock_perf_event_read(st
cpu_clock_perf_event_update(event);
}

-static const struct pmu perf_ops_cpu_clock = {
+static struct pmu perf_ops_cpu_clock = {
.enable = cpu_clock_perf_event_enable,
.disable = cpu_clock_perf_event_disable,
.read = cpu_clock_perf_event_read,
@@ -4461,7 +4461,7 @@ static void task_clock_perf_event_read(s
task_clock_perf_event_update(event, time);
}

-static const struct pmu perf_ops_task_clock = {
+static struct pmu perf_ops_task_clock = {
.enable = task_clock_perf_event_enable,
.disable = task_clock_perf_event_disable,
.read = task_clock_perf_event_read,
@@ -4575,7 +4575,7 @@ static int swevent_hlist_get(struct perf

#ifdef CONFIG_EVENT_TRACING

-static const struct pmu perf_ops_tracepoint = {
+static struct pmu perf_ops_tracepoint = {
.enable = perf_trace_enable,
.disable = perf_trace_disable,
.start = perf_swevent_int,
@@ -4639,7 +4639,7 @@ static void tp_perf_event_destroy(struct
perf_trace_destroy(event);
}

-static const struct pmu *tp_perf_event_init(struct perf_event *event)
+static struct pmu *tp_perf_event_init(struct perf_event *event)
{
int err;

@@ -4686,7 +4686,7 @@ static void perf_event_free_filter(struc

#else

-static const struct pmu *tp_perf_event_init(struct perf_event *event)
+static struct pmu *tp_perf_event_init(struct perf_event *event)
{
return NULL;
}
@@ -4708,7 +4708,7 @@ static void bp_perf_event_destroy(struct
release_bp_slot(event);
}

-static const struct pmu *bp_perf_event_init(struct perf_event *bp)
+static struct pmu *bp_perf_event_init(struct perf_event *bp)
{
int err;

@@ -4732,7 +4732,7 @@ void perf_bp_event(struct perf_event *bp
perf_swevent_add(bp, 1, 1, &sample, regs);
}
#else
-static const struct pmu *bp_perf_event_init(struct perf_event *bp)
+static struct pmu *bp_perf_event_init(struct perf_event *bp)
{
return NULL;
}
@@ -4754,9 +4754,9 @@ static void sw_perf_event_destroy(struct
swevent_hlist_put(event);
}

-static const struct pmu *sw_perf_event_init(struct perf_event *event)
+static struct pmu *sw_perf_event_init(struct perf_event *event)
{
- const struct pmu *pmu = NULL;
+ struct pmu *pmu = NULL;
u64 event_id = event->attr.config;

/*
@@ -4818,7 +4818,7 @@ perf_event_alloc(struct perf_event_attr
perf_overflow_handler_t overflow_handler,
gfp_t gfpflags)
{
- const struct pmu *pmu;
+ struct pmu *pmu;
struct perf_event *event;
struct hw_perf_event *hwc;
long err;
Index: linux-2.6/arch/alpha/kernel/perf_event.c
===================================================================
--- linux-2.6.orig/arch/alpha/kernel/perf_event.c
+++ linux-2.6/arch/alpha/kernel/perf_event.c
@@ -642,7 +642,7 @@ static int __hw_perf_event_init(struct p
return 0;
}

-static const struct pmu pmu = {
+static struct pmu pmu = {
.enable = alpha_pmu_enable,
.disable = alpha_pmu_disable,
.read = alpha_pmu_read,
@@ -653,7 +653,7 @@ static const struct pmu pmu = {
/*
* Main entry point to initialise a HW performance event.
*/
-const struct pmu *hw_perf_event_init(struct perf_event *event)
+struct pmu *hw_perf_event_init(struct perf_event *event)
{
int err;




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