[PATCH 30/48] x86: Change __get_cpu_var calls introduced in 3.14

From: Christoph Lameter
Date: Fri Feb 14 2014 - 15:20:34 EST


More were added recently.

Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: x86@xxxxxxxxxx
Cc: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Signed-off-by: Christoph Lameter <cl@xxxxxxxxx>

Index: linux/arch/x86/kernel/cpu/perf_event_intel_rapl.c
===================================================================
--- linux.orig/arch/x86/kernel/cpu/perf_event_intel_rapl.c 2014-02-03 13:36:13.429026651 -0600
+++ linux/arch/x86/kernel/cpu/perf_event_intel_rapl.c 2014-02-03 13:36:13.429026651 -0600
@@ -129,7 +129,7 @@
* or use ldexp(count, -32).
* Watts = Joules/Time delta
*/
- return v << (32 - __get_cpu_var(rapl_pmu)->hw_unit);
+ return v << (32 - __this_cpu_read(rapl_pmu->hw_unit));
}

static u64 rapl_event_update(struct perf_event *event)
@@ -181,7 +181,7 @@

static enum hrtimer_restart rapl_hrtimer_handle(struct hrtimer *hrtimer)
{
- struct rapl_pmu *pmu = __get_cpu_var(rapl_pmu);
+ struct rapl_pmu *pmu = __this_cpu_read(rapl_pmu);
struct perf_event *event;
unsigned long flags;

@@ -228,7 +228,7 @@

static void rapl_pmu_event_start(struct perf_event *event, int mode)
{
- struct rapl_pmu *pmu = __get_cpu_var(rapl_pmu);
+ struct rapl_pmu *pmu = __this_cpu_read(rapl_pmu);
unsigned long flags;

spin_lock_irqsave(&pmu->lock, flags);
@@ -238,7 +238,7 @@

static void rapl_pmu_event_stop(struct perf_event *event, int mode)
{
- struct rapl_pmu *pmu = __get_cpu_var(rapl_pmu);
+ struct rapl_pmu *pmu = __this_cpu_read(rapl_pmu);
struct hw_perf_event *hwc = &event->hw;
unsigned long flags;

@@ -272,7 +272,7 @@

static int rapl_pmu_event_add(struct perf_event *event, int mode)
{
- struct rapl_pmu *pmu = __get_cpu_var(rapl_pmu);
+ struct rapl_pmu *pmu = __this_cpu_read(rapl_pmu);
struct hw_perf_event *hwc = &event->hw;
unsigned long flags;

@@ -662,7 +662,7 @@
return -1;
}

- pmu = __get_cpu_var(rapl_pmu);
+ pmu = __this_cpu_read(rapl_pmu);

pr_info("RAPL PMU detected, hw unit 2^-%d Joules,"
" API unit is 2^-32 Joules,"
Index: linux/kernel/sched/deadline.c
===================================================================
--- linux.orig/kernel/sched/deadline.c 2014-02-03 13:36:13.429026651 -0600
+++ linux/kernel/sched/deadline.c 2014-02-03 13:36:13.429026651 -0600
@@ -1115,7 +1115,7 @@
static int find_later_rq(struct task_struct *task)
{
struct sched_domain *sd;
- struct cpumask *later_mask = __get_cpu_var(local_cpu_mask_dl);
+ struct cpumask *later_mask = this_cpu_ptr(local_cpu_mask_dl);
int this_cpu = smp_processor_id();
int best_cpu, cpu = task_cpu(task);

Index: linux/kernel/time/tick-broadcast.c
===================================================================
--- linux.orig/kernel/time/tick-broadcast.c 2014-02-03 13:36:13.429026651 -0600
+++ linux/kernel/time/tick-broadcast.c 2014-02-03 13:36:13.429026651 -0600
@@ -541,7 +541,7 @@
void tick_check_oneshot_broadcast_this_cpu(void)
{
if (cpumask_test_cpu(smp_processor_id(), tick_broadcast_oneshot_mask)) {
- struct tick_device *td = &__get_cpu_var(tick_cpu_device);
+ struct tick_device *td = this_cpu_ptr(&tick_cpu_device);

/*
* We might be in the middle of switching over from

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