From: Christoph Lameter <cl@linux.com>
Date: Sun, 17 Aug 2014 17:30:25 +0000 (-0500)
Subject: time: Replace __get_cpu_var uses
X-Git-Tag: omap-for-v3.19/prcm-cleanup~62^2~36
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=22127e93c587afa01e4f7225d2d1cf1d26ae7dfe;p=pandora-kernel.git

time: Replace __get_cpu_var uses

Convert uses of __get_cpu_var for creating a address from a percpu
offset to this_cpu_ptr.

The two cases where get_cpu_var is used to actually access a percpu
variable are changed to use this_cpu_read/raw_cpu_read.

Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
---

diff --git a/drivers/clocksource/dummy_timer.c b/drivers/clocksource/dummy_timer.c
index ad3572541728..31990600fcff 100644
--- a/drivers/clocksource/dummy_timer.c
+++ b/drivers/clocksource/dummy_timer.c
@@ -28,7 +28,7 @@ static void dummy_timer_set_mode(enum clock_event_mode mode,
 static void dummy_timer_setup(void)
 {
 	int cpu = smp_processor_id();
-	struct clock_event_device *evt = __this_cpu_ptr(&dummy_timer_evt);
+	struct clock_event_device *evt = raw_cpu_ptr(&dummy_timer_evt);
 
 	evt->name	= "dummy_timer";
 	evt->features	= CLOCK_EVT_FEAT_PERIODIC |
diff --git a/kernel/irq_work.c b/kernel/irq_work.c
index e6bcbe756663..345d19edcdae 100644
--- a/kernel/irq_work.c
+++ b/kernel/irq_work.c
@@ -95,11 +95,11 @@ bool irq_work_queue(struct irq_work *work)
 
 	/* If the work is "lazy", handle it from next tick if any */
 	if (work->flags & IRQ_WORK_LAZY) {
-		if (llist_add(&work->llnode, &__get_cpu_var(lazy_list)) &&
+		if (llist_add(&work->llnode, this_cpu_ptr(&lazy_list)) &&
 		    tick_nohz_tick_stopped())
 			arch_irq_work_raise();
 	} else {
-		if (llist_add(&work->llnode, &__get_cpu_var(raised_list)))
+		if (llist_add(&work->llnode, this_cpu_ptr(&raised_list)))
 			arch_irq_work_raise();
 	}
 
@@ -113,8 +113,8 @@ bool irq_work_needs_cpu(void)
 {
 	struct llist_head *raised, *lazy;
 
-	raised = &__get_cpu_var(raised_list);
-	lazy = &__get_cpu_var(lazy_list);
+	raised = this_cpu_ptr(&raised_list);
+	lazy = this_cpu_ptr(&lazy_list);
 	if (llist_empty(raised) && llist_empty(lazy))
 		return false;
 
@@ -166,8 +166,8 @@ static void irq_work_run_list(struct llist_head *list)
  */
 void irq_work_run(void)
 {
-	irq_work_run_list(&__get_cpu_var(raised_list));
-	irq_work_run_list(&__get_cpu_var(lazy_list));
+	irq_work_run_list(this_cpu_ptr(&raised_list));
+	irq_work_run_list(this_cpu_ptr(&lazy_list));
 }
 EXPORT_SYMBOL_GPL(irq_work_run);
 
diff --git a/kernel/sched/clock.c b/kernel/sched/clock.c
index 3ef6451e972e..c27e4f8f4879 100644
--- a/kernel/sched/clock.c
+++ b/kernel/sched/clock.c
@@ -134,7 +134,7 @@ static DEFINE_PER_CPU_SHARED_ALIGNED(struct sched_clock_data, sched_clock_data);
 
 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)
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