Replace uses of __get_cpu_var for address calculation with this_cpu_ptr.

Cc: akpm@linux-foundation.org
Signed-off-by: Christoph Lameter <cl@linux.com>

Index: linux/kernel/printk/printk.c
===================================================================
--- linux.orig/kernel/printk/printk.c	2014-06-16 09:11:49.095901488 -0500
+++ linux/kernel/printk/printk.c	2014-06-16 09:11:49.091901567 -0500
@@ -2578,7 +2578,7 @@
 	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();
 }
@@ -2594,7 +2594,7 @@
 	va_end(args);
 
 	__this_cpu_or(printk_pending, PRINTK_PENDING_OUTPUT);
-	irq_work_queue(&__get_cpu_var(wake_up_klogd_work));
+	irq_work_queue(this_cpu_ptr(&wake_up_klogd_work));
 	preempt_enable();
 
 	return r;
Index: linux/kernel/smp.c
===================================================================
--- linux.orig/kernel/smp.c	2014-06-16 09:11:49.095901488 -0500
+++ linux/kernel/smp.c	2014-06-16 09:11:49.091901567 -0500
@@ -146,7 +146,7 @@
 	if (!csd) {
 		csd = &csd_stack;
 		if (!wait)
-			csd = &__get_cpu_var(csd_data);
+			csd = this_cpu_ptr(&csd_data);
 	}
 
 	csd_lock(csd);
@@ -187,7 +187,7 @@
 	struct call_single_data *csd, *csd_next;
 	static bool warned;
 
-	entry = llist_del_all(&__get_cpu_var(call_single_queue));
+	entry = llist_del_all(this_cpu_ptr(&call_single_queue));
 	entry = llist_reverse_order(entry);
 
 	/*
@@ -369,7 +369,7 @@
 		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);

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