[guv 04/16] core: Convert __get_cpu_var uses

From: Christoph Lameter
Date: Fri Aug 23 2013 - 15:07:27 EST

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Signed-off-by: Christoph Lameter <cl@xxxxxxxxx>

Index: linux/kernel/events/callchain.c
===================================================================
--- linux.orig/kernel/events/callchain.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/kernel/events/callchain.c 2013-08-22 15:01:55.531964478 -0500
@@ -134,7 +134,7 @@ static struct perf_callchain_entry *get_
int cpu;
struct callchain_cpus_entries *entries;

- *rctx = get_recursion_context(__get_cpu_var(callchain_recursion));
+ *rctx = get_recursion_context(this_cpu_ptr(callchain_recursion));
if (*rctx == -1)
return NULL;

@@ -150,7 +150,7 @@ static struct perf_callchain_entry *get_
static void
put_callchain_entry(int rctx)
{
- put_recursion_context(__get_cpu_var(callchain_recursion), rctx);
+ put_recursion_context(this_cpu_ptr(callchain_recursion), rctx);
}

struct perf_callchain_entry *
Index: linux/kernel/events/core.c
===================================================================
--- linux.orig/kernel/events/core.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/kernel/events/core.c 2013-08-22 15:01:55.531964478 -0500
@@ -238,10 +238,10 @@ void perf_sample_event_took(u64 sample_l
return;

/* decay the counter by 1 average sample */
- local_samples_len = __get_cpu_var(running_sample_length);
+ local_samples_len = __this_cpu_read(running_sample_length);
local_samples_len -= local_samples_len/NR_ACCUMULATED_SAMPLES;
local_samples_len += sample_len_ns;
- __get_cpu_var(running_sample_length) = local_samples_len;
+ __this_cpu_write(running_sample_length, local_samples_len);

/*
* note: this will be biased artifically low until we have
@@ -865,7 +865,7 @@ static DEFINE_PER_CPU(struct list_head,
static void perf_pmu_rotate_start(struct pmu *pmu)
{
struct perf_cpu_context *cpuctx = this_cpu_ptr(pmu->pmu_cpu_context);
- struct list_head *head = &__get_cpu_var(rotation_list);
+ struct list_head *head = this_cpu_ptr(&rotation_list);

WARN_ON(!irqs_disabled());

@@ -2321,7 +2321,7 @@ void __perf_event_task_sched_out(struct
* to check if we have to switch out PMU state.
* cgroup event are system-wide mode only
*/
- if (atomic_read(&__get_cpu_var(perf_cgroup_events)))
+ if (atomic_read(this_cpu_ptr(&perf_cgroup_events)))
perf_cgroup_sched_out(task, next);
}

@@ -2566,11 +2566,11 @@ void __perf_event_task_sched_in(struct t
* to check if we have to switch in PMU state.
* cgroup event are system-wide mode only
*/
- if (atomic_read(&__get_cpu_var(perf_cgroup_events)))
+ if (atomic_read(this_cpu_ptr(&perf_cgroup_events)))
perf_cgroup_sched_in(prev, task);

/* check for system-wide branch_stack events */
- if (atomic_read(&__get_cpu_var(perf_branch_stack_events)))
+ if (atomic_read(this_cpu_ptr(&perf_branch_stack_events)))
perf_branch_stack_sched_in(prev, task);
}

@@ -2811,7 +2811,7 @@ done:
#ifdef CONFIG_NO_HZ_FULL
bool perf_event_can_stop_tick(void)
{
- if (list_empty(&__get_cpu_var(rotation_list)))
+ if (list_empty(this_cpu_ptr(&rotation_list)))
return true;
else
return false;
@@ -2820,7 +2820,7 @@ bool perf_event_can_stop_tick(void)

void perf_event_task_tick(void)
{
- struct list_head *head = &__get_cpu_var(rotation_list);
+ struct list_head *head = this_cpu_ptr(&rotation_list);
struct perf_cpu_context *cpuctx, *tmp;
struct perf_event_context *ctx;
int throttled;
@@ -5414,7 +5414,7 @@ static void do_perf_sw_event(enum perf_t
struct perf_sample_data *data,
struct pt_regs *regs)
{
- struct swevent_htable *swhash = &__get_cpu_var(swevent_htable);
+ struct swevent_htable *swhash = this_cpu_ptr(&swevent_htable);
struct perf_event *event;
struct hlist_head *head;

@@ -5433,7 +5433,7 @@ end:

int perf_swevent_get_recursion_context(void)
{
- struct swevent_htable *swhash = &__get_cpu_var(swevent_htable);
+ struct swevent_htable *swhash = this_cpu_ptr(&swevent_htable);

return get_recursion_context(swhash->recursion);
}
@@ -5441,7 +5441,7 @@ EXPORT_SYMBOL_GPL(perf_swevent_get_recur

inline void perf_swevent_put_recursion_context(int rctx)
{
- struct swevent_htable *swhash = &__get_cpu_var(swevent_htable);
+ struct swevent_htable *swhash = this_cpu_ptr(&swevent_htable);

put_recursion_context(swhash->recursion, rctx);
}
@@ -5470,7 +5470,7 @@ static void perf_swevent_read(struct per

static int perf_swevent_add(struct perf_event *event, int flags)
{
- struct swevent_htable *swhash = &__get_cpu_var(swevent_htable);
+ struct swevent_htable *swhash = this_cpu_ptr(&swevent_htable);
struct hw_perf_event *hwc = &event->hw;
struct hlist_head *head;

Index: linux/kernel/printk/printk.c
===================================================================
--- linux.orig/kernel/printk/printk.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/kernel/printk/printk.c 2013-08-22 15:01:55.531964478 -0500
@@ -2441,7 +2441,7 @@ static void wake_up_klogd_work_func(stru
int pending = __this_cpu_xchg(printk_pending, 0);

if (pending & PRINTK_PENDING_SCHED) {
- char *buf = __get_cpu_var(printk_sched_buf);
+ char *buf = this_cpu_ptr(printk_sched_buf);
printk(KERN_WARNING "[sched_delayed] %s", buf);
}

@@ -2459,7 +2459,7 @@ void wake_up_klogd(void)
preempt_disable();
if (waitqueue_active(&log_wait)) {
this_cpu_or(printk_pending, PRINTK_PENDING_WAKEUP);
- irq_work_queue(&__get_cpu_var(wake_up_klogd_work));
+ irq_work_queue(this_cpu_ptr(&wake_up_klogd_work));
}
preempt_enable();
}
@@ -2472,14 +2472,14 @@ int printk_sched(const char *fmt, ...)
int r;

local_irq_save(flags);
- buf = __get_cpu_var(printk_sched_buf);
+ buf = this_cpu_ptr(printk_sched_buf);

va_start(args, fmt);
r = vsnprintf(buf, PRINTK_BUF_SIZE, fmt, args);
va_end(args);

__this_cpu_or(printk_pending, PRINTK_PENDING_SCHED);
- irq_work_queue(&__get_cpu_var(wake_up_klogd_work));
+ irq_work_queue(this_cpu_ptr(&wake_up_klogd_work));
local_irq_restore(flags);

return r;
Index: linux/kernel/rcutree.c
===================================================================
--- linux.orig/kernel/rcutree.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/kernel/rcutree.c 2013-08-22 15:01:55.531964478 -0500
@@ -383,7 +383,7 @@ static void rcu_eqs_enter(bool user)
long long oldval;
struct rcu_dynticks *rdtp;

- rdtp = &__get_cpu_var(rcu_dynticks);
+ rdtp = this_cpu_ptr(&rcu_dynticks);
oldval = rdtp->dynticks_nesting;
WARN_ON_ONCE((oldval & DYNTICK_TASK_NEST_MASK) == 0);
if ((oldval & DYNTICK_TASK_NEST_MASK) == DYNTICK_TASK_NEST_VALUE)
@@ -443,7 +443,7 @@ void rcu_user_enter_after_irq(void)
struct rcu_dynticks *rdtp;

local_irq_save(flags);
- rdtp = &__get_cpu_var(rcu_dynticks);
+ rdtp = this_cpu_ptr(&rcu_dynticks);
/* Ensure this irq is interrupting a non-idle RCU state. */
WARN_ON_ONCE(!(rdtp->dynticks_nesting & DYNTICK_TASK_MASK));
rdtp->dynticks_nesting = 1;
@@ -474,7 +474,7 @@ void rcu_irq_exit(void)
struct rcu_dynticks *rdtp;

local_irq_save(flags);
- rdtp = &__get_cpu_var(rcu_dynticks);
+ rdtp = this_cpu_ptr(&rcu_dynticks);
oldval = rdtp->dynticks_nesting;
rdtp->dynticks_nesting--;
WARN_ON_ONCE(rdtp->dynticks_nesting < 0);
@@ -523,7 +523,7 @@ static void rcu_eqs_exit(bool user)
struct rcu_dynticks *rdtp;
long long oldval;

- rdtp = &__get_cpu_var(rcu_dynticks);
+ rdtp = this_cpu_ptr(&rcu_dynticks);
oldval = rdtp->dynticks_nesting;
WARN_ON_ONCE(oldval < 0);
if (oldval & DYNTICK_TASK_NEST_MASK)
@@ -581,7 +581,7 @@ void rcu_user_exit_after_irq(void)
struct rcu_dynticks *rdtp;

local_irq_save(flags);
- rdtp = &__get_cpu_var(rcu_dynticks);
+ rdtp = this_cpu_ptr(&rcu_dynticks);
/* Ensure we are interrupting an RCU idle mode. */
WARN_ON_ONCE(rdtp->dynticks_nesting & DYNTICK_TASK_NEST_MASK);
rdtp->dynticks_nesting += DYNTICK_TASK_EXIT_IDLE;
@@ -615,7 +615,7 @@ void rcu_irq_enter(void)
long long oldval;

local_irq_save(flags);
- rdtp = &__get_cpu_var(rcu_dynticks);
+ rdtp = this_cpu_ptr(&rcu_dynticks);
oldval = rdtp->dynticks_nesting;
rdtp->dynticks_nesting++;
WARN_ON_ONCE(rdtp->dynticks_nesting == 0);
@@ -635,7 +635,7 @@ void rcu_irq_enter(void)
*/
void rcu_nmi_enter(void)
{
- struct rcu_dynticks *rdtp = &__get_cpu_var(rcu_dynticks);
+ struct rcu_dynticks *rdtp = this_cpu_ptr(&rcu_dynticks);

if (rdtp->dynticks_nmi_nesting == 0 &&
(atomic_read(&rdtp->dynticks) & 0x1))
@@ -657,7 +657,7 @@ void rcu_nmi_enter(void)
*/
void rcu_nmi_exit(void)
{
- struct rcu_dynticks *rdtp = &__get_cpu_var(rcu_dynticks);
+ struct rcu_dynticks *rdtp = this_cpu_ptr(&rcu_dynticks);

if (rdtp->dynticks_nmi_nesting == 0 ||
--rdtp->dynticks_nmi_nesting != 0)
@@ -680,7 +680,7 @@ int rcu_is_cpu_idle(void)
int ret;

preempt_disable();
- ret = (atomic_read(&__get_cpu_var(rcu_dynticks).dynticks) & 0x1) == 0;
+ ret = (atomic_read(this_cpu_ptr(&rcu_dynticks.dynticks)) & 0x1) == 0;
preempt_enable();
return ret;
}
@@ -718,7 +718,7 @@ bool rcu_lockdep_current_cpu_online(void
if (in_nmi())
return 1;
preempt_disable();
- rdp = &__get_cpu_var(rcu_sched_data);
+ rdp = this_cpu_ptr(&rcu_sched_data);
rnp = rdp->mynode;
ret = (rdp->grpmask & rnp->qsmaskinit) ||
!rcu_scheduler_fully_active;
@@ -738,7 +738,7 @@ EXPORT_SYMBOL_GPL(rcu_lockdep_current_cp
*/
static int rcu_is_cpu_rrupt_from_idle(void)
{
- return __get_cpu_var(rcu_dynticks).dynticks_nesting <= 1;
+ return __this_cpu_read(rcu_dynticks.dynticks_nesting) <= 1;
}

/*
Index: linux/kernel/sched/cputime.c
===================================================================
--- linux.orig/kernel/sched/cputime.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/kernel/sched/cputime.c 2013-08-22 15:01:55.531964478 -0500
@@ -121,7 +121,7 @@ static inline void task_group_account_fi
* is the only cgroup, then nothing else should be necessary.
*
*/
- __get_cpu_var(kernel_cpustat).cpustat[index] += tmp;
+ __this_cpu_add(kernel_cpustat.cpustat[index], tmp);

cpuacct_account_field(p, index, tmp);
}
Index: linux/kernel/sched/fair.c
===================================================================
--- linux.orig/kernel/sched/fair.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/kernel/sched/fair.c 2013-08-22 15:01:55.531964478 -0500
@@ -5057,7 +5057,7 @@ static int load_balance(int this_cpu, st
struct sched_group *group;
struct rq *busiest;
unsigned long flags;
- struct cpumask *cpus = __get_cpu_var(load_balance_mask);
+ struct cpumask *cpus = this_cpu_ptr(load_balance_mask);

struct lb_env env = {
.sd = sd,
Index: linux/kernel/sched/rt.c
===================================================================
--- linux.orig/kernel/sched/rt.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/kernel/sched/rt.c 2013-08-22 15:01:55.535964438 -0500
@@ -1389,7 +1389,7 @@ static DEFINE_PER_CPU(cpumask_var_t, loc
static int find_lowest_rq(struct task_struct *task)
{
struct sched_domain *sd;
- struct cpumask *lowest_mask = __get_cpu_var(local_cpu_mask);
+ struct cpumask *lowest_mask = this_cpu_ptr(local_cpu_mask);
int this_cpu = smp_processor_id();
int cpu = task_cpu(task);

Index: linux/kernel/time/tick-sched.c
===================================================================
--- linux.orig/kernel/time/tick-sched.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/kernel/time/tick-sched.c 2013-08-22 15:01:55.535964438 -0500
@@ -199,7 +199,7 @@ static void tick_nohz_restart_sched_tick
*/
void tick_nohz_full_check(void)
{
- struct tick_sched *ts = &__get_cpu_var(tick_cpu_sched);
+ struct tick_sched *ts = this_cpu_ptr(&tick_cpu_sched);

if (tick_nohz_full_cpu(smp_processor_id())) {
if (ts->tick_stopped && !is_idle_task(current)) {
@@ -225,7 +225,7 @@ static DEFINE_PER_CPU(struct irq_work, n
void tick_nohz_full_kick(void)
{
if (tick_nohz_full_cpu(smp_processor_id()))
- irq_work_queue(&__get_cpu_var(nohz_full_kick_work));
+ irq_work_queue(this_cpu_ptr(&nohz_full_kick_work));
}

static void nohz_full_kick_ipi(void *info)
@@ -536,7 +536,7 @@ static ktime_t tick_nohz_stop_sched_tick
unsigned long seq, last_jiffies, next_jiffies, delta_jiffies;
ktime_t last_update, expires, ret = { .tv64 = 0 };
unsigned long rcu_delta_jiffies;
- struct clock_event_device *dev = __get_cpu_var(tick_cpu_device).evtdev;
+ struct clock_event_device *dev = __this_cpu_read(tick_cpu_device.evtdev);
u64 time_delta;

/* Read jiffies and the time when jiffies were updated last */
@@ -801,7 +801,7 @@ void tick_nohz_idle_enter(void)

local_irq_disable();

- ts = &__get_cpu_var(tick_cpu_sched);
+ ts = this_cpu_ptr(&tick_cpu_sched);
/*
* set ts->inidle unconditionally. even if the system did not
* switch to nohz mode the cpu frequency governers rely on the
@@ -824,7 +824,7 @@ EXPORT_SYMBOL_GPL(tick_nohz_idle_enter);
*/
void tick_nohz_irq_exit(void)
{
- struct tick_sched *ts = &__get_cpu_var(tick_cpu_sched);
+ struct tick_sched *ts = this_cpu_ptr(&tick_cpu_sched);

if (ts->inidle)
__tick_nohz_idle_enter(ts);
@@ -839,7 +839,7 @@ void tick_nohz_irq_exit(void)
*/
ktime_t tick_nohz_get_sleep_length(void)
{
- struct tick_sched *ts = &__get_cpu_var(tick_cpu_sched);
+ struct tick_sched *ts = this_cpu_ptr(&tick_cpu_sched);

return ts->sleep_length;
}
@@ -953,7 +953,7 @@ static int tick_nohz_reprogram(struct ti
*/
static void tick_nohz_handler(struct clock_event_device *dev)
{
- struct tick_sched *ts = &__get_cpu_var(tick_cpu_sched);
+ struct tick_sched *ts = this_cpu_ptr(&tick_cpu_sched);
struct pt_regs *regs = get_irq_regs();
ktime_t now = ktime_get();

@@ -973,7 +973,7 @@ static void tick_nohz_handler(struct clo
*/
static void tick_nohz_switch_to_nohz(void)
{
- struct tick_sched *ts = &__get_cpu_var(tick_cpu_sched);
+ struct tick_sched *ts = this_cpu_ptr(&tick_cpu_sched);
ktime_t next;

if (!tick_nohz_enabled)
@@ -1111,7 +1111,7 @@ early_param("skew_tick", skew_tick);
*/
void tick_setup_sched_timer(void)
{
- struct tick_sched *ts = &__get_cpu_var(tick_cpu_sched);
+ struct tick_sched *ts = this_cpu_ptr(&tick_cpu_sched);
ktime_t now = ktime_get();

/*
@@ -1178,7 +1178,7 @@ void tick_clock_notify(void)
*/
void tick_oneshot_notify(void)
{
- struct tick_sched *ts = &__get_cpu_var(tick_cpu_sched);
+ struct tick_sched *ts = this_cpu_ptr(&tick_cpu_sched);

set_bit(0, &ts->check_clocks);
}
@@ -1193,7 +1193,7 @@ void tick_oneshot_notify(void)
*/
int tick_check_oneshot_change(int allow_nohz)
{
- struct tick_sched *ts = &__get_cpu_var(tick_cpu_sched);
+ struct tick_sched *ts = this_cpu_ptr(&tick_cpu_sched);

if (!test_and_clear_bit(0, &ts->check_clocks))
return 0;
Index: linux/net/ipv4/syncookies.c
===================================================================
--- linux.orig/net/ipv4/syncookies.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/net/ipv4/syncookies.c 2013-08-22 16:17:15.182593775 -0500
@@ -44,7 +44,7 @@ static DEFINE_PER_CPU(__u32 [16 + 5 + SH
static u32 cookie_hash(__be32 saddr, __be32 daddr, __be16 sport, __be16 dport,
u32 count, int c)
{
- __u32 *tmp = __get_cpu_var(ipv4_cookie_scratch);
+ __u32 *tmp = this_cpu_ptr(ipv4_cookie_scratch);

memcpy(tmp + 4, syncookie_secret[c], sizeof(syncookie_secret[c]));
tmp[0] = (__force u32)saddr;
Index: linux/net/ipv6/syncookies.c
===================================================================
--- linux.orig/net/ipv6/syncookies.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/net/ipv6/syncookies.c 2013-08-22 16:17:15.182593775 -0500
@@ -66,7 +66,7 @@ static DEFINE_PER_CPU(__u32 [16 + 5 + SH
static u32 cookie_hash(const struct in6_addr *saddr, const struct in6_addr *daddr,
__be16 sport, __be16 dport, u32 count, int c)
{
- __u32 *tmp = __get_cpu_var(ipv6_cookie_scratch);
+ __u32 *tmp = this_cpu_ptr(ipv6_cookie_scratch);

/*
* we have 320 bits of information to hash, copy in the remaining
Index: linux/block/blk-iopoll.c
===================================================================
--- linux.orig/block/blk-iopoll.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/block/blk-iopoll.c 2013-08-22 15:01:55.535964438 -0500
@@ -35,7 +35,7 @@ void blk_iopoll_sched(struct blk_iopoll
unsigned long flags;

local_irq_save(flags);
- list_add_tail(&iop->list, &__get_cpu_var(blk_cpu_iopoll));
+ list_add_tail(&iop->list, this_cpu_ptr(&blk_cpu_iopoll));
__raise_softirq_irqoff(BLOCK_IOPOLL_SOFTIRQ);
local_irq_restore(flags);
}
@@ -79,7 +79,7 @@ EXPORT_SYMBOL(blk_iopoll_complete);

static void blk_iopoll_softirq(struct softirq_action *h)
{
- struct list_head *list = &__get_cpu_var(blk_cpu_iopoll);
+ struct list_head *list = this_cpu_ptr(&blk_cpu_iopoll);
int rearm = 0, budget = blk_iopoll_budget;
unsigned long start_time = jiffies;

@@ -201,7 +201,7 @@ static int blk_iopoll_cpu_notify(struct

local_irq_disable();
list_splice_init(&per_cpu(blk_cpu_iopoll, cpu),
- &__get_cpu_var(blk_cpu_iopoll));
+ this_cpu_ptr(&blk_cpu_iopoll));
__raise_softirq_irqoff(BLOCK_IOPOLL_SOFTIRQ);
local_irq_enable();
}
Index: linux/block/blk-softirq.c
===================================================================
--- linux.orig/block/blk-softirq.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/block/blk-softirq.c 2013-08-22 15:01:55.535964438 -0500
@@ -23,7 +23,7 @@ static void blk_done_softirq(struct soft
struct list_head *cpu_list, local_list;

local_irq_disable();
- cpu_list = &__get_cpu_var(blk_cpu_done);
+ cpu_list = this_cpu_ptr(&blk_cpu_done);
list_replace_init(cpu_list, &local_list);
local_irq_enable();

@@ -44,7 +44,7 @@ static void trigger_softirq(void *data)
struct list_head *list;

local_irq_save(flags);
- list = &__get_cpu_var(blk_cpu_done);
+ list = this_cpu_ptr(&blk_cpu_done);
list_add_tail(&rq->csd.list, list);

if (list->next == &rq->csd.list)
@@ -90,7 +90,7 @@ static int blk_cpu_notify(struct notifie

local_irq_disable();
list_splice_init(&per_cpu(blk_cpu_done, cpu),
- &__get_cpu_var(blk_cpu_done));
+ this_cpu_ptr(&blk_cpu_done));
raise_softirq_irqoff(BLOCK_SOFTIRQ);
local_irq_enable();
}
@@ -135,7 +135,7 @@ void __blk_complete_request(struct reque
if (ccpu == cpu || shared) {
struct list_head *list;
do_local:
- list = &__get_cpu_var(blk_cpu_done);
+ list = this_cpu_ptr(&blk_cpu_done);
list_add_tail(&req->csd.list, list);

/*
Index: linux/fs/fscache/object.c
===================================================================
--- linux.orig/fs/fscache/object.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/fs/fscache/object.c 2013-08-22 15:01:55.535964438 -0500
@@ -796,7 +796,7 @@ void fscache_enqueue_object(struct fscac
*/
bool fscache_object_sleep_till_congested(signed long *timeoutp)
{
- wait_queue_head_t *cong_wq = &__get_cpu_var(fscache_object_cong_wait);
+ wait_queue_head_t *cong_wq = this_cpu_ptr(&fscache_object_cong_wait);
DEFINE_WAIT(wait);

if (fscache_object_congested())
Index: linux/include/linux/kernel_stat.h
===================================================================
--- linux.orig/include/linux/kernel_stat.h 2013-08-22 15:01:55.543964358 -0500
+++ linux/include/linux/kernel_stat.h 2013-08-22 15:01:55.535964438 -0500
@@ -47,8 +47,8 @@ DECLARE_PER_CPU(struct kernel_stat, ksta
DECLARE_PER_CPU(struct kernel_cpustat, kernel_cpustat);

/* Must have preemption disabled for this to be meaningful. */
-#define kstat_this_cpu (&__get_cpu_var(kstat))
-#define kcpustat_this_cpu (&__get_cpu_var(kernel_cpustat))
+#define kstat_this_cpu this_cpu_ptr(&kstat)
+#define kcpustat_this_cpu this_cpu_ptr(&kernel_cpustat)
#define kstat_cpu(cpu) per_cpu(kstat, cpu)
#define kcpustat_cpu(cpu) per_cpu(kernel_cpustat, cpu)

Index: linux/include/linux/kprobes.h
===================================================================
--- linux.orig/include/linux/kprobes.h 2013-08-22 15:01:55.543964358 -0500
+++ linux/include/linux/kprobes.h 2013-08-22 15:01:55.535964438 -0500
@@ -329,7 +329,7 @@ static inline void reset_current_kprobe(

static inline struct kprobe_ctlblk *get_kprobe_ctlblk(void)
{
- return (&__get_cpu_var(kprobe_ctlblk));
+ return this_cpu_ptr(&kprobe_ctlblk);
}

int register_kprobe(struct kprobe *p);
Index: linux/include/linux/percpu.h
===================================================================
--- linux.orig/include/linux/percpu.h 2013-08-22 15:01:55.543964358 -0500
+++ linux/include/linux/percpu.h 2013-08-22 15:01:55.535964438 -0500
@@ -28,7 +28,7 @@
*/
#define get_cpu_var(var) (*({ \
preempt_disable(); \
- &__get_cpu_var(var); }))
+ this_cpu_ptr(&var); }))

/*
* The weird & is necessary because sparse considers (void)(var) to be
Index: linux/include/net/netfilter/nf_conntrack.h
===================================================================
--- linux.orig/include/net/netfilter/nf_conntrack.h 2013-08-22 15:01:55.543964358 -0500
+++ linux/include/net/netfilter/nf_conntrack.h 2013-08-22 15:01:55.535964438 -0500
@@ -243,7 +243,7 @@ extern s16 (*nf_ct_nat_offset)(const str
DECLARE_PER_CPU(struct nf_conn, nf_conntrack_untracked);
static inline struct nf_conn *nf_ct_untracked_get(void)
{
- return &__raw_get_cpu_var(nf_conntrack_untracked);
+ return __this_cpu_ptr(&nf_conntrack_untracked);
}
extern void nf_ct_untracked_status_or(unsigned long bits);

Index: linux/kernel/hrtimer.c
===================================================================
--- linux.orig/kernel/hrtimer.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/kernel/hrtimer.c 2013-08-22 15:01:55.535964438 -0500
@@ -597,7 +597,7 @@ hrtimer_force_reprogram(struct hrtimer_c
static int hrtimer_reprogram(struct hrtimer *timer,
struct hrtimer_clock_base *base)
{
- struct hrtimer_cpu_base *cpu_base = &__get_cpu_var(hrtimer_bases);
+ struct hrtimer_cpu_base *cpu_base = this_cpu_ptr(&hrtimer_bases);
ktime_t expires = ktime_sub(hrtimer_get_expires(timer), base->offset);
int res;

@@ -680,7 +680,7 @@ static inline ktime_t hrtimer_update_bas
*/
static void retrigger_next_event(void *arg)
{
- struct hrtimer_cpu_base *base = &__get_cpu_var(hrtimer_bases);
+ struct hrtimer_cpu_base *base = this_cpu_ptr(&hrtimer_bases);

if (!hrtimer_hres_active())
return;
@@ -954,7 +954,7 @@ remove_hrtimer(struct hrtimer *timer, st
*/
debug_deactivate(timer);
timer_stats_hrtimer_clear_start_info(timer);
- reprogram = base->cpu_base == &__get_cpu_var(hrtimer_bases);
+ reprogram = base->cpu_base == this_cpu_ptr(&hrtimer_bases);
/*
* We must preserve the CALLBACK state flag here,
* otherwise we could move the timer base in
@@ -1009,7 +1009,7 @@ int __hrtimer_start_range_ns(struct hrti
*
* XXX send_remote_softirq() ?
*/
- if (leftmost && new_base->cpu_base == &__get_cpu_var(hrtimer_bases)
+ if (leftmost && new_base->cpu_base == this_cpu_ptr(&hrtimer_bases)
&& hrtimer_enqueue_reprogram(timer, new_base)) {
if (wakeup) {
/*
@@ -1142,7 +1142,7 @@ EXPORT_SYMBOL_GPL(hrtimer_get_remaining)
*/
ktime_t hrtimer_get_next_event(void)
{
- struct hrtimer_cpu_base *cpu_base = &__get_cpu_var(hrtimer_bases);
+ struct hrtimer_cpu_base *cpu_base = this_cpu_ptr(&hrtimer_bases);
struct hrtimer_clock_base *base = cpu_base->clock_base;
ktime_t delta, mindelta = { .tv64 = KTIME_MAX };
unsigned long flags;
@@ -1183,7 +1183,7 @@ static void __hrtimer_init(struct hrtime

memset(timer, 0, sizeof(struct hrtimer));

- cpu_base = &__raw_get_cpu_var(hrtimer_bases);
+ cpu_base = __this_cpu_ptr(&hrtimer_bases);

if (clock_id == CLOCK_REALTIME && mode != HRTIMER_MODE_ABS)
clock_id = CLOCK_MONOTONIC;
@@ -1226,7 +1226,7 @@ int hrtimer_get_res(const clockid_t whic
struct hrtimer_cpu_base *cpu_base;
int base = hrtimer_clockid_to_base(which_clock);

- cpu_base = &__raw_get_cpu_var(hrtimer_bases);
+ cpu_base = __this_cpu_ptr(&hrtimer_bases);
*tp = ktime_to_timespec(cpu_base->clock_base[base].resolution);

return 0;
@@ -1281,7 +1281,7 @@ static void __run_hrtimer(struct hrtimer
*/
void hrtimer_interrupt(struct clock_event_device *dev)
{
- struct hrtimer_cpu_base *cpu_base = &__get_cpu_var(hrtimer_bases);
+ struct hrtimer_cpu_base *cpu_base = this_cpu_ptr(&hrtimer_bases);
ktime_t expires_next, now, entry_time, delta;
int i, retries = 0;

@@ -1415,7 +1415,7 @@ static void __hrtimer_peek_ahead_timers(
if (!hrtimer_hres_active())
return;

- td = &__get_cpu_var(tick_cpu_device);
+ td = this_cpu_ptr(&tick_cpu_device);
if (td && td->evtdev)
hrtimer_interrupt(td->evtdev);
}
@@ -1479,7 +1479,7 @@ void hrtimer_run_pending(void)
void hrtimer_run_queues(void)
{
struct timerqueue_node *node;
- struct hrtimer_cpu_base *cpu_base = &__get_cpu_var(hrtimer_bases);
+ struct hrtimer_cpu_base *cpu_base = this_cpu_ptr(&hrtimer_bases);
struct hrtimer_clock_base *base;
int index, gettime = 1;

@@ -1717,7 +1717,7 @@ static void migrate_hrtimers(int scpu)

local_irq_disable();
old_base = &per_cpu(hrtimer_bases, scpu);
- new_base = &__get_cpu_var(hrtimer_bases);
+ new_base = this_cpu_ptr(&hrtimer_bases);
/*
* The caller is globally serialized and nobody else
* takes two locks at once, deadlock is not possible.
Index: linux/kernel/irq_work.c
===================================================================
--- linux.orig/kernel/irq_work.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/kernel/irq_work.c 2013-08-22 15:01:55.535964438 -0500
@@ -70,7 +70,7 @@ void irq_work_queue(struct irq_work *wor
/* Queue the entry and raise the IPI if needed. */
preempt_disable();

- llist_add(&work->llnode, &__get_cpu_var(irq_work_list));
+ llist_add(&work->llnode, this_cpu_ptr(&irq_work_list));

/*
* If the work is not "lazy" or the tick is stopped, raise the irq
@@ -90,7 +90,7 @@ bool irq_work_needs_cpu(void)
{
struct llist_head *this_list;

- this_list = &__get_cpu_var(irq_work_list);
+ this_list = this_cpu_ptr(&irq_work_list);
if (llist_empty(this_list))
return false;

@@ -115,7 +115,7 @@ static void __irq_work_run(void)
__this_cpu_write(irq_work_raised, 0);
barrier();

- this_list = &__get_cpu_var(irq_work_list);
+ this_list = this_cpu_ptr(&irq_work_list);
if (llist_empty(this_list))
return;

Index: linux/kernel/rcutree_plugin.h
===================================================================
--- linux.orig/kernel/rcutree_plugin.h 2013-08-22 15:01:55.543964358 -0500
+++ linux/kernel/rcutree_plugin.h 2013-08-22 15:01:55.535964438 -0500
@@ -662,7 +662,7 @@ static void rcu_preempt_check_callbacks(

static void rcu_preempt_do_callbacks(void)
{
- rcu_do_batch(&rcu_preempt_state, &__get_cpu_var(rcu_preempt_data));
+ rcu_do_batch(&rcu_preempt_state, this_cpu_ptr(&rcu_preempt_data));
}

#endif /* #ifdef CONFIG_RCU_BOOST */
@@ -1334,7 +1334,7 @@ static void invoke_rcu_callbacks_kthread
*/
static bool rcu_is_callbacks_kthread(void)
{
- return __get_cpu_var(rcu_cpu_kthread_task) == current;
+ return __this_cpu_read(rcu_cpu_kthread_task) == current;
}

#define RCU_BOOST_DELAY_JIFFIES DIV_ROUND_UP(CONFIG_RCU_BOOST_DELAY * HZ, 1000)
@@ -1384,8 +1384,8 @@ static int rcu_spawn_one_boost_kthread(s

static void rcu_kthread_do_work(void)
{
- rcu_do_batch(&rcu_sched_state, &__get_cpu_var(rcu_sched_data));
- rcu_do_batch(&rcu_bh_state, &__get_cpu_var(rcu_bh_data));
+ rcu_do_batch(&rcu_sched_state, this_cpu_ptr(&rcu_sched_data));
+ rcu_do_batch(&rcu_bh_state, this_cpu_ptr(&rcu_bh_data));
rcu_preempt_do_callbacks();
}

@@ -1404,7 +1404,7 @@ static void rcu_cpu_kthread_park(unsigne

static int rcu_cpu_kthread_should_run(unsigned int cpu)
{
- return __get_cpu_var(rcu_cpu_has_work);
+ return __this_cpu_read(rcu_cpu_has_work);
}

/*
@@ -1414,8 +1414,8 @@ static int rcu_cpu_kthread_should_run(un
*/
static void rcu_cpu_kthread(unsigned int cpu)
{
- unsigned int *statusp = &__get_cpu_var(rcu_cpu_kthread_status);
- char work, *workp = &__get_cpu_var(rcu_cpu_has_work);
+ unsigned int *statusp = this_cpu_ptr(&rcu_cpu_kthread_status);
+ char work, *workp = this_cpu_ptr(&rcu_cpu_has_work);
int spincnt;

for (spincnt = 0; spincnt < 10; spincnt++) {
Index: linux/kernel/sched/clock.c
===================================================================
--- linux.orig/kernel/sched/clock.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/kernel/sched/clock.c 2013-08-22 15:01:55.535964438 -0500
@@ -94,7 +94,7 @@ static DEFINE_PER_CPU_SHARED_ALIGNED(str

static inline struct sched_clock_data *this_scd(void)
{
- return &__get_cpu_var(sched_clock_data);
+ return this_cpu_ptr(&sched_clock_data);
}

static inline struct sched_clock_data *cpu_sdc(int cpu)
Index: linux/kernel/sched/sched.h
===================================================================
--- linux.orig/kernel/sched/sched.h 2013-08-22 15:01:55.543964358 -0500
+++ linux/kernel/sched/sched.h 2013-08-22 15:01:55.535964438 -0500
@@ -538,10 +538,10 @@ static inline int cpu_of(struct rq *rq)
DECLARE_PER_CPU(struct rq, runqueues);

#define cpu_rq(cpu) (&per_cpu(runqueues, (cpu)))
-#define this_rq() (&__get_cpu_var(runqueues))
+#define this_rq() this_cpu_ptr(&runqueues)
#define task_rq(p) cpu_rq(task_cpu(p))
#define cpu_curr(cpu) (cpu_rq(cpu)->curr)
-#define raw_rq() (&__raw_get_cpu_var(runqueues))
+#define raw_rq() __this_cpu_ptr(&runqueues)

static inline u64 rq_clock(struct rq *rq)
{
Index: linux/kernel/smp.c
===================================================================
--- linux.orig/kernel/smp.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/kernel/smp.c 2013-08-22 15:01:55.535964438 -0500
@@ -172,7 +172,7 @@ void generic_exec_single(int cpu, struct
*/
void generic_smp_call_function_single_interrupt(void)
{
- struct call_single_queue *q = &__get_cpu_var(call_single_queue);
+ struct call_single_queue *q = this_cpu_ptr(&call_single_queue);
LIST_HEAD(list);

/*
@@ -252,7 +252,7 @@ int smp_call_function_single(int cpu, sm
struct call_single_data *csd = &d;

if (!wait)
- csd = &__get_cpu_var(csd_data);
+ csd = this_cpu_ptr(&csd_data);

csd_lock(csd);

@@ -401,7 +401,7 @@ void smp_call_function_many(const struct
return;
}

- cfd = &__get_cpu_var(cfd_data);
+ cfd = this_cpu_ptr(&cfd_data);

cpumask_and(cfd->cpumask, mask, cpu_online_mask);
cpumask_clear_cpu(this_cpu, cfd->cpumask);
Index: linux/kernel/softirq.c
===================================================================
--- linux.orig/kernel/softirq.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/kernel/softirq.c 2013-08-22 15:01:55.535964438 -0500
@@ -466,7 +466,7 @@ static void tasklet_action(struct softir
local_irq_disable();
list = __this_cpu_read(tasklet_vec.head);
__this_cpu_write(tasklet_vec.head, NULL);
- __this_cpu_write(tasklet_vec.tail, &__get_cpu_var(tasklet_vec).head);
+ __this_cpu_write(tasklet_vec.tail, this_cpu_ptr(&tasklet_vec.head));
local_irq_enable();

while (list) {
@@ -501,7 +501,7 @@ static void tasklet_hi_action(struct sof
local_irq_disable();
list = __this_cpu_read(tasklet_hi_vec.head);
__this_cpu_write(tasklet_hi_vec.head, NULL);
- __this_cpu_write(tasklet_hi_vec.tail, &__get_cpu_var(tasklet_hi_vec).head);
+ __this_cpu_write(tasklet_hi_vec.tail, this_cpu_ptr(&tasklet_hi_vec.head));
local_irq_enable();

while (list) {
@@ -618,7 +618,7 @@ EXPORT_PER_CPU_SYMBOL(softirq_work_list)

static void __local_trigger(struct call_single_data *cp, int softirq)
{
- struct list_head *head = &__get_cpu_var(softirq_work_list[softirq]);
+ struct list_head *head = this_cpu_ptr(&softirq_work_list[softirq]);

list_add_tail(&cp->list, head);

@@ -718,7 +718,7 @@ static int remote_softirq_cpu_notify(str
if (list_empty(head))
continue;

- local_head = &__get_cpu_var(softirq_work_list[i]);
+ local_head = this_cpu_ptr(&softirq_work_list[i]);
list_splice_init(head, local_head);
raise_softirq_irqoff(i);
}
Index: linux/kernel/time/tick-common.c
===================================================================
--- linux.orig/kernel/time/tick-common.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/kernel/time/tick-common.c 2013-08-22 15:01:55.535964438 -0500
@@ -208,7 +208,7 @@ static void tick_setup_device(struct tic

void tick_install_replacement(struct clock_event_device *newdev)
{
- struct tick_device *td = &__get_cpu_var(tick_cpu_device);
+ struct tick_device *td = this_cpu_ptr(&tick_cpu_device);
int cpu = smp_processor_id();

clockevents_exchange_device(td->evtdev, newdev);
@@ -358,14 +358,14 @@ void tick_shutdown(unsigned int *cpup)

void tick_suspend(void)
{
- struct tick_device *td = &__get_cpu_var(tick_cpu_device);
+ struct tick_device *td = this_cpu_ptr(&tick_cpu_device);

clockevents_shutdown(td->evtdev);
}

void tick_resume(void)
{
- struct tick_device *td = &__get_cpu_var(tick_cpu_device);
+ struct tick_device *td = this_cpu_ptr(&tick_cpu_device);
int broadcast = tick_resume_broadcast();

clockevents_set_mode(td->evtdev, CLOCK_EVT_MODE_RESUME);
Index: linux/kernel/time/tick-oneshot.c
===================================================================
--- linux.orig/kernel/time/tick-oneshot.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/kernel/time/tick-oneshot.c 2013-08-22 15:01:55.535964438 -0500
@@ -59,7 +59,7 @@ void tick_setup_oneshot(struct clock_eve
*/
int tick_switch_to_oneshot(void (*handler)(struct clock_event_device *))
{
- struct tick_device *td = &__get_cpu_var(tick_cpu_device);
+ struct tick_device *td = this_cpu_ptr(&tick_cpu_device);
struct clock_event_device *dev = td->evtdev;

if (!dev || !(dev->features & CLOCK_EVT_FEAT_ONESHOT) ||
Index: linux/kernel/trace/ftrace.c
===================================================================
--- linux.orig/kernel/trace/ftrace.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/kernel/trace/ftrace.c 2013-08-22 15:01:55.535964438 -0500
@@ -870,7 +870,7 @@ function_profile_call(unsigned long ip,

local_irq_save(flags);

- stat = &__get_cpu_var(ftrace_profile_stats);
+ stat = this_cpu_ptr(&ftrace_profile_stats);
if (!stat->hash || !ftrace_profile_enabled)
goto out;

@@ -901,7 +901,7 @@ static void profile_graph_return(struct
unsigned long flags;

local_irq_save(flags);
- stat = &__get_cpu_var(ftrace_profile_stats);
+ stat = this_cpu_ptr(&ftrace_profile_stats);
if (!stat->hash || !ftrace_profile_enabled)
goto out;

Index: linux/kernel/user-return-notifier.c
===================================================================
--- linux.orig/kernel/user-return-notifier.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/kernel/user-return-notifier.c 2013-08-22 15:01:55.535964438 -0500
@@ -14,7 +14,7 @@ static DEFINE_PER_CPU(struct hlist_head,
void user_return_notifier_register(struct user_return_notifier *urn)
{
set_tsk_thread_flag(current, TIF_USER_RETURN_NOTIFY);
- hlist_add_head(&urn->link, &__get_cpu_var(return_notifier_list));
+ hlist_add_head(&urn->link, this_cpu_ptr(&return_notifier_list));
}
EXPORT_SYMBOL_GPL(user_return_notifier_register);

@@ -25,7 +25,7 @@ EXPORT_SYMBOL_GPL(user_return_notifier_r
void user_return_notifier_unregister(struct user_return_notifier *urn)
{
hlist_del(&urn->link);
- if (hlist_empty(&__get_cpu_var(return_notifier_list)))
+ if (hlist_empty(this_cpu_ptr(&return_notifier_list)))
clear_tsk_thread_flag(current, TIF_USER_RETURN_NOTIFY);
}
EXPORT_SYMBOL_GPL(user_return_notifier_unregister);
Index: linux/kernel/watchdog.c
===================================================================
--- linux.orig/kernel/watchdog.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/kernel/watchdog.c 2013-08-22 15:01:55.535964438 -0500
@@ -174,8 +174,8 @@ EXPORT_SYMBOL(touch_nmi_watchdog);

void touch_softlockup_watchdog_sync(void)
{
- __raw_get_cpu_var(softlockup_touch_sync) = true;
- __raw_get_cpu_var(watchdog_touch_ts) = 0;
+ __this_cpu_write(softlockup_touch_sync, 1);
+ __this_cpu_write(watchdog_touch_ts, 0);
}

#ifdef CONFIG_HARDLOCKUP_DETECTOR
@@ -341,7 +341,7 @@ static void watchdog_set_prio(unsigned i

static void watchdog_enable(unsigned int cpu)
{
- struct hrtimer *hrtimer = &__raw_get_cpu_var(watchdog_hrtimer);
+ struct hrtimer *hrtimer = __this_cpu_ptr(&watchdog_hrtimer);

/* kick off the timer for the hardlockup detector */
hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
@@ -361,7 +361,7 @@ static void watchdog_enable(unsigned int

static void watchdog_disable(unsigned int cpu)
{
- struct hrtimer *hrtimer = &__raw_get_cpu_var(watchdog_hrtimer);
+ struct hrtimer *hrtimer = __this_cpu_ptr(&watchdog_hrtimer);

watchdog_set_prio(SCHED_NORMAL, 0);
hrtimer_cancel(hrtimer);
Index: linux/lib/radix-tree.c
===================================================================
--- linux.orig/lib/radix-tree.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/lib/radix-tree.c 2013-08-22 15:01:55.535964438 -0500
@@ -215,7 +215,7 @@ radix_tree_node_alloc(struct radix_tree_
* succeed in getting a node here (and never reach
* kmem_cache_alloc)
*/
- rtp = &__get_cpu_var(radix_tree_preloads);
+ rtp = this_cpu_ptr(&radix_tree_preloads);
if (rtp->nr) {
ret = rtp->nodes[rtp->nr - 1];
rtp->nodes[rtp->nr - 1] = NULL;
@@ -271,14 +271,14 @@ int radix_tree_preload(gfp_t gfp_mask)
int ret = -ENOMEM;

preempt_disable();
- rtp = &__get_cpu_var(radix_tree_preloads);
+ rtp = this_cpu_ptr(&radix_tree_preloads);
while (rtp->nr < ARRAY_SIZE(rtp->nodes)) {
preempt_enable();
node = kmem_cache_alloc(radix_tree_node_cachep, gfp_mask);
if (node == NULL)
goto out;
preempt_disable();
- rtp = &__get_cpu_var(radix_tree_preloads);
+ rtp = this_cpu_ptr(&radix_tree_preloads);
if (rtp->nr < ARRAY_SIZE(rtp->nodes))
rtp->nodes[rtp->nr++] = node;
else
Index: linux/mm/memcontrol.c
===================================================================
--- linux.orig/mm/memcontrol.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/mm/memcontrol.c 2013-08-22 15:01:55.535964438 -0500
@@ -2398,7 +2398,7 @@ static void drain_stock(struct memcg_sto
*/
static void drain_local_stock(struct work_struct *dummy)
{
- struct memcg_stock_pcp *stock = &__get_cpu_var(memcg_stock);
+ struct memcg_stock_pcp *stock = this_cpu_ptr(&memcg_stock);
drain_stock(stock);
clear_bit(FLUSHING_CACHED_CHARGE, &stock->flags);
}
Index: linux/mm/memory-failure.c
===================================================================
--- linux.orig/mm/memory-failure.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/mm/memory-failure.c 2013-08-22 15:01:55.535964438 -0500
@@ -1279,7 +1279,7 @@ static void memory_failure_work_func(str
unsigned long proc_flags;
int gotten;

- mf_cpu = &__get_cpu_var(memory_failure_cpu);
+ mf_cpu = this_cpu_ptr(&memory_failure_cpu);
for (;;) {
spin_lock_irqsave(&mf_cpu->lock, proc_flags);
gotten = kfifo_get(&mf_cpu->fifo, &entry);
Index: linux/mm/page-writeback.c
===================================================================
--- linux.orig/mm/page-writeback.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/mm/page-writeback.c 2013-08-22 15:01:55.539964397 -0500
@@ -1487,7 +1487,7 @@ void balance_dirty_pages_ratelimited(str
* 1000+ tasks, all of them start dirtying pages at exactly the same
* time, hence all honoured too large initial task->nr_dirtied_pause.
*/
- p = &__get_cpu_var(bdp_ratelimits);
+ p = this_cpu_ptr(&bdp_ratelimits);
if (unlikely(current->nr_dirtied >= ratelimit))
*p = 0;
else if (unlikely(*p >= ratelimit_pages)) {
@@ -1499,7 +1499,7 @@ void balance_dirty_pages_ratelimited(str
* short-lived tasks (eg. gcc invocations in a kernel build) escaping
* the dirty throttling and livelock other long-run dirtiers.
*/
- p = &__get_cpu_var(dirty_throttle_leaks);
+ p = this_cpu_ptr(&dirty_throttle_leaks);
if (*p > 0 && current->nr_dirtied < ratelimit) {
unsigned long nr_pages_dirtied;
nr_pages_dirtied = min(*p, ratelimit - current->nr_dirtied);
Index: linux/mm/swap.c
===================================================================
--- linux.orig/mm/swap.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/mm/swap.c 2013-08-22 15:01:55.539964397 -0500
@@ -359,7 +359,7 @@ void rotate_reclaimable_page(struct page

page_cache_get(page);
local_irq_save(flags);
- pvec = &__get_cpu_var(lru_rotate_pvecs);
+ pvec = this_cpu_ptr(&lru_rotate_pvecs);
if (!pagevec_add(pvec, page))
pagevec_move_tail(pvec);
local_irq_restore(flags);
Index: linux/mm/vmalloc.c
===================================================================
--- linux.orig/mm/vmalloc.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/mm/vmalloc.c 2013-08-22 15:01:55.539964397 -0500
@@ -1487,7 +1487,7 @@ void vfree(const void *addr)
if (!addr)
return;
if (unlikely(in_interrupt())) {
- struct vfree_deferred *p = &__get_cpu_var(vfree_deferred);
+ struct vfree_deferred *p = this_cpu_ptr(&vfree_deferred);
if (llist_add((struct llist_node *)addr, &p->list))
schedule_work(&p->wq);
} else
Index: linux/mm/vmstat.c
===================================================================
--- linux.orig/mm/vmstat.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/mm/vmstat.c 2013-08-22 15:01:55.539964397 -0500
@@ -1178,7 +1178,7 @@ int sysctl_stat_interval __read_mostly =
static void vmstat_update(struct work_struct *w)
{
refresh_cpu_vm_stats(smp_processor_id());
- schedule_delayed_work(&__get_cpu_var(vmstat_work),
+ schedule_delayed_work(this_cpu_ptr(&vmstat_work),
round_jiffies_relative(sysctl_stat_interval));
}

Index: linux/net/core/dev.c
===================================================================
--- linux.orig/net/core/dev.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/net/core/dev.c 2013-08-22 15:01:55.539964397 -0500
@@ -2129,7 +2129,7 @@ static inline void __netif_reschedule(st
unsigned long flags;

local_irq_save(flags);
- sd = &__get_cpu_var(softnet_data);
+ sd = this_cpu_ptr(&softnet_data);
q->next_sched = NULL;
*sd->output_queue_tailp = q;
sd->output_queue_tailp = &q->next_sched;
@@ -2151,7 +2151,7 @@ void dev_kfree_skb_irq(struct sk_buff *s
unsigned long flags;

local_irq_save(flags);
- sd = &__get_cpu_var(softnet_data);
+ sd = this_cpu_ptr(&softnet_data);
skb->next = sd->completion_queue;
sd->completion_queue = skb;
raise_softirq_irqoff(NET_TX_SOFTIRQ);
@@ -3111,7 +3111,7 @@ static void rps_trigger_softirq(void *da
static int rps_ipi_queued(struct softnet_data *sd)
{
#ifdef CONFIG_RPS
- struct softnet_data *mysd = &__get_cpu_var(softnet_data);
+ struct softnet_data *mysd = this_cpu_ptr(&softnet_data);

if (sd != mysd) {
sd->rps_ipi_next = mysd->rps_ipi_list;
@@ -3138,7 +3138,7 @@ static bool skb_flow_limit(struct sk_buf
if (qlen < (netdev_max_backlog >> 1))
return false;

- sd = &__get_cpu_var(softnet_data);
+ sd = this_cpu_ptr(&softnet_data);

rcu_read_lock();
fl = rcu_dereference(sd->flow_limit);
@@ -3280,7 +3280,7 @@ EXPORT_SYMBOL(netif_rx_ni);

static void net_tx_action(struct softirq_action *h)
{
- struct softnet_data *sd = &__get_cpu_var(softnet_data);
+ struct softnet_data *sd = this_cpu_ptr(&softnet_data);

if (sd->completion_queue) {
struct sk_buff *clist;
@@ -3700,7 +3700,7 @@ EXPORT_SYMBOL(netif_receive_skb);
static void flush_backlog(void *arg)
{
struct net_device *dev = arg;
- struct softnet_data *sd = &__get_cpu_var(softnet_data);
+ struct softnet_data *sd = this_cpu_ptr(&softnet_data);
struct sk_buff *skb, *tmp;

rps_lock(sd);
@@ -4146,7 +4146,7 @@ void __napi_schedule(struct napi_struct
unsigned long flags;

local_irq_save(flags);
- ____napi_schedule(&__get_cpu_var(softnet_data), n);
+ ____napi_schedule(this_cpu_ptr(&softnet_data), n);
local_irq_restore(flags);
}
EXPORT_SYMBOL(__napi_schedule);
@@ -4274,7 +4274,7 @@ EXPORT_SYMBOL(netif_napi_del);

static void net_rx_action(struct softirq_action *h)
{
- struct softnet_data *sd = &__get_cpu_var(softnet_data);
+ struct softnet_data *sd = this_cpu_ptr(&softnet_data);
unsigned long time_limit = jiffies + 2;
int budget = netdev_budget;
void *have;
Index: linux/net/core/drop_monitor.c
===================================================================
--- linux.orig/net/core/drop_monitor.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/net/core/drop_monitor.c 2013-08-22 15:01:55.539964397 -0500
@@ -142,7 +142,7 @@ static void trace_drop_common(struct sk_
unsigned long flags;

local_irq_save(flags);
- data = &__get_cpu_var(dm_cpu_data);
+ data = this_cpu_ptr(&dm_cpu_data);
spin_lock(&data->lock);
dskb = data->skb;

Index: linux/net/core/skbuff.c
===================================================================
--- linux.orig/net/core/skbuff.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/net/core/skbuff.c 2013-08-22 15:01:55.539964397 -0500
@@ -371,7 +371,7 @@ static void *__netdev_alloc_frag(unsigne
unsigned long flags;

local_irq_save(flags);
- nc = &__get_cpu_var(netdev_alloc_cache);
+ nc = this_cpu_ptr(&netdev_alloc_cache);
if (unlikely(!nc->frag.page)) {
refill:
for (order = NETDEV_FRAG_PAGE_MAX_ORDER; ;) {
Index: linux/net/ipv4/tcp_output.c
===================================================================
--- linux.orig/net/ipv4/tcp_output.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/net/ipv4/tcp_output.c 2013-08-22 15:01:55.539964397 -0500
@@ -810,7 +810,7 @@ void tcp_wfree(struct sk_buff *skb)

/* queue this socket to tasklet queue */
local_irq_save(flags);
- tsq = &__get_cpu_var(tsq_tasklet);
+ tsq = this_cpu_ptr(&tsq_tasklet);
list_add(&tp->tsq_node, &tsq->head);
tasklet_schedule(&tsq->tasklet);
local_irq_restore(flags);
Index: linux/net/rds/ib_rdma.c
===================================================================
--- linux.orig/net/rds/ib_rdma.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/net/rds/ib_rdma.c 2013-08-22 15:01:55.539964397 -0500
@@ -267,7 +267,7 @@ static inline struct rds_ib_mr *rds_ib_r
unsigned long *flag;

preempt_disable();
- flag = &__get_cpu_var(clean_list_grace);
+ flag = this_cpu_ptr(&clean_list_grace);
set_bit(CLEAN_LIST_BUSY_BIT, flag);
ret = llist_del_first(&pool->clean_list);
if (ret)
Index: linux/kernel/timer.c
===================================================================
--- linux.orig/kernel/timer.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/kernel/timer.c 2013-08-22 15:01:55.539964397 -0500
@@ -621,7 +621,7 @@ static inline void debug_assert_init(str
static void do_init_timer(struct timer_list *timer, unsigned int flags,
const char *name, struct lock_class_key *key)
{
- struct tvec_base *base = __raw_get_cpu_var(tvec_bases);
+ struct tvec_base *base = __this_cpu_read(tvec_bases);

timer->entry.next = NULL;
timer->base = (void *)((unsigned long)base | flags);
Index: linux/kernel/trace/trace.c
===================================================================
--- linux.orig/kernel/trace/trace.c 2013-08-22 15:01:55.543964358 -0500
+++ linux/kernel/trace/trace.c 2013-08-22 15:01:55.539964397 -0500
@@ -1676,7 +1676,7 @@ static void __ftrace_trace_stack(struct
*/
barrier();
if (use_stack == 1) {
- trace.entries = &__get_cpu_var(ftrace_stack).calls[0];
+ trace.entries = this_cpu_ptr(ftrace_stack.calls);
trace.max_entries = FTRACE_STACK_MAX_ENTRIES;

if (regs)

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