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authorChristoph Lameter <cl@linux.com>2014-08-17 12:30:25 -0500
committerTejun Heo <tj@kernel.org>2014-08-26 13:45:44 -0400
commit22127e93c587afa01e4f7225d2d1cf1d26ae7dfe (patch)
tree59e32c175bfe72758e44c1fe1215c13045c80b83 /kernel/irq_work.c
parentbb964a92ce70ac2039115edd019aa5eef8faa6bb (diff)
downloadlinux-sh-22127e93c587afa01e4f7225d2d1cf1d26ae7dfe.tar.gz
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>
Diffstat (limited to 'kernel/irq_work.c')
-rw-r--r--kernel/irq_work.c12
1 files changed, 6 insertions, 6 deletions
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);