commit 22127e93c587afa01e4f7225d2d1cf1d26ae7dfe
author Christoph Lameter <cl@linux.com> Sun Aug 17 12:30:25 2014 -0500
committer Tejun Heo <tj@kernel.org> Tue Aug 26 13:45:44 2014 -0400
tree 59e32c175bfe72758e44c1fe1215c13045c80b83
parent bb964a92ce70ac2039115edd019aa5eef8faa6bb

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>

kernel/irq_work.c

diff --git a/kernel/irq_work.c b/kernel/irq_work.c
index e6bcbe75..345d19e 100644
--- a/kernel/irq_work.c
+++ b/kernel/irq_work.c
@@ -95,11 +95,11 @@
 
 	/* 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 @@
 {
 	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 @@
  */
 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);