Merge remote branch 'percpu/for-next'

8 files changed, 19 insertions, 23 deletions

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index dcb38f8ddfda..a765b823aa9e 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -746,7 +746,7 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
 	struct acpi_processor *pr;
 	struct acpi_processor_cx *cx = cpuidle_get_statedata(state);
 
-	pr = __get_cpu_var(processors);
+	pr = __this_cpu_read(processors);
 
 	if (unlikely(!pr))
 		return 0;
@@ -787,7 +787,7 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
 	s64 idle_time_ns;
 	s64 idle_time;
 
-	pr = __get_cpu_var(processors);
+	pr = __this_cpu_read(processors);
 
 	if (unlikely(!pr))
 		return 0;
@@ -864,7 +864,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
 	s64 idle_time;
 
 
-	pr = __get_cpu_var(processors);
+	pr = __this_cpu_read(processors);
 
 	if (unlikely(!pr))
 		return 0;
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 5a1aa64f4e76..72a4fcb17745 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -626,7 +626,7 @@ static void add_timer_randomness(struct timer_rand_state *state, unsigned num)
 	preempt_disable();
 	/* if over the trickle threshold, use only 1 in 4096 samples */
 	if (input_pool.entropy_count > trickle_thresh &&
-	    (__get_cpu_var(trickle_count)++ & 0xfff))
+	    ((__this_cpu_inc_return(trickle_count) - 1) & 0xfff))
 		goto out;
 
 	sample.jiffies = jiffies;
diff --git a/drivers/connector/cn_proc.c b/drivers/connector/cn_proc.c
index a7f046b0096c..2b46a7efa0ac 100644
--- a/drivers/connector/cn_proc.c
+++ b/drivers/connector/cn_proc.c
@@ -43,9 +43,10 @@ static DEFINE_PER_CPU(__u32, proc_event_counts) = { 0 };
 
 static inline void get_seq(__u32 *ts, int *cpu)
 {
-	*ts = get_cpu_var(proc_event_counts)++;
+	preempt_disable();
+	*ts = __this_cpu_inc_return(proc_event_counts) -1;
 	*cpu = smp_processor_id();
-	put_cpu_var(proc_event_counts);
+	preempt_enable();
 }
 
 void proc_fork_connector(struct task_struct *task)
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index a50710843378..978ff292a3fa 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -49,7 +49,7 @@ static int __cpuidle_register_device(struct cpuidle_device *dev);
  */
 static void cpuidle_idle_call(void)
 {
-	struct cpuidle_device *dev = __get_cpu_var(cpuidle_devices);
+	struct cpuidle_device *dev = __this_cpu_read(cpuidle_devices);
 	struct cpuidle_state *target_state;
 	int next_state;
 
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index f4e6cf3aceb8..430f875006f2 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -619,7 +619,7 @@ void __irq_entry do_IRQ(struct pt_regs *regs)
 	s390_idle_check(regs, S390_lowcore.int_clock,
 			S390_lowcore.async_enter_timer);
 	irq_enter();
-	__get_cpu_var(s390_idle).nohz_delay = 1;
+	__this_cpu_write(s390_idle.nohz_delay, 1);
 	if (S390_lowcore.int_clock >= S390_lowcore.clock_comparator)
 		/* Serve timer interrupts first. */
 		clock_comparator_work();
diff --git a/drivers/staging/lirc/lirc_serial.c b/drivers/staging/lirc/lirc_serial.c
index 971844bbee28..9bcf149c4260 100644
--- a/drivers/staging/lirc/lirc_serial.c
+++ b/drivers/staging/lirc/lirc_serial.c
@@ -377,7 +377,7 @@ static int init_timing_params(unsigned int new_duty_cycle,
 	duty_cycle = new_duty_cycle;
 	freq = new_freq;
 
-	loops_per_sec = current_cpu_data.loops_per_jiffy;
+	loops_per_sec = __this_cpu_read(cpu.info.loops_per_jiffy);
 	loops_per_sec *= HZ;
 
 	/* How many clocks in a microsecond?, avoiding long long divide */
@@ -398,7 +398,7 @@ static int init_timing_params(unsigned int new_duty_cycle,
 	dprintk("in init_timing_params, freq=%d, duty_cycle=%d, "
 		"clk/jiffy=%ld, pulse=%ld, space=%ld, "
 		"conv_us_to_clocks=%ld\n",
-		freq, duty_cycle, current_cpu_data.loops_per_jiffy,
+		freq, duty_cycle, __this_cpu_read(cpu_info.loops_per_jiffy),
 		pulse_width, space_width, conv_us_to_clocks);
 	return 0;
 }
diff --git a/drivers/staging/speakup/fakekey.c b/drivers/staging/speakup/fakekey.c
index 65b231178f05..1b34a8771641 100644
--- a/drivers/staging/speakup/fakekey.c
+++ b/drivers/staging/speakup/fakekey.c
@@ -78,10 +78,10 @@ void speakup_fake_down_arrow(void)
 	/* don't change CPU */
 	preempt_disable();
 
-	__get_cpu_var(reporting_keystroke) = true;
+	__this_cpu_write(reporting_keystroke, true);
 	input_report_key(virt_keyboard, KEY_DOWN, PRESSED);
 	input_report_key(virt_keyboard, KEY_DOWN, RELEASED);
-	__get_cpu_var(reporting_keystroke) = false;
+	__this_cpu_write(reporting_keystroke, false);
 
 	/* reenable preemption */
 	preempt_enable();
@@ -95,10 +95,5 @@ void speakup_fake_down_arrow(void)
 	 */
 bool speakup_fake_key_pressed(void)
 {
-	bool is_pressed;
-
-	is_pressed = get_cpu_var(reporting_keystroke);
-	put_cpu_var(reporting_keystroke);
-
-	return is_pressed;
+	return this_cpu_read(reporting_keystroke);
 }
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 31af0ac31a98..65f8637d13cf 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -355,7 +355,7 @@ static void unmask_evtchn(int port)
 		struct evtchn_unmask unmask = { .port = port };
 		(void)HYPERVISOR_event_channel_op(EVTCHNOP_unmask, &unmask);
 	} else {
-		struct vcpu_info *vcpu_info = __get_cpu_var(xen_vcpu);
+		struct vcpu_info *vcpu_info = __this_cpu_read(xen_vcpu);
 
 		sync_clear_bit(port, &s->evtchn_mask[0]);
 
@@ -1101,7 +1101,7 @@ static void __xen_evtchn_do_upcall(void)
 {
 	int cpu = get_cpu();
 	struct shared_info *s = HYPERVISOR_shared_info;
-	struct vcpu_info *vcpu_info = __get_cpu_var(xen_vcpu);
+	struct vcpu_info *vcpu_info = __this_cpu_read(xen_vcpu);
  	unsigned count;
 
 	do {
@@ -1109,7 +1109,7 @@ static void __xen_evtchn_do_upcall(void)
 
 		vcpu_info->evtchn_upcall_pending = 0;
 
-		if (__get_cpu_var(xed_nesting_count)++)
+		if (__this_cpu_inc_return(xed_nesting_count) - 1)
 			goto out;
 
 #ifndef CONFIG_X86 /* No need for a barrier -- XCHG is a barrier on x86. */
@@ -1141,8 +1141,8 @@ static void __xen_evtchn_do_upcall(void)
 
 		BUG_ON(!irqs_disabled());
 
-		count = __get_cpu_var(xed_nesting_count);
-		__get_cpu_var(xed_nesting_count) = 0;
+		count = __this_cpu_read(xed_nesting_count);
+		__this_cpu_write(xed_nesting_count, 0);
 	} while (count != 1 || vcpu_info->evtchn_upcall_pending);
 
 out: