From bb964a92ce70ac2039115edd019aa5eef8faa6bb Mon Sep 17 00:00:00 2001
From: Christoph Lameter <cl@linux.com>
Date: Sun, 17 Aug 2014 12:30:24 -0500
Subject: [PATCH] kernel misc: Replace __get_cpu_var uses
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>
Signed-off-by: Tejun Heo <tj@kernel.org>
---
kernel/printk/printk.c | 4 ++--
kernel/smp.c | 6 +++---
2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index e04c455a0e386..960fbfc6cd0ae 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -2628,7 +2628,7 @@ void wake_up_klogd(void)
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();
}
@@ -2644,7 +2644,7 @@ int printk_deferred(const char *fmt, ...)
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;
diff --git a/kernel/smp.c b/kernel/smp.c
index aff8aa14f5479..af24183fe6bb1 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -164,7 +164,7 @@ static int generic_exec_single(int cpu, struct call_single_data *csd,
if (!csd) {
csd = &csd_stack;
if (!wait)
- csd = &__get_cpu_var(csd_data);
+ csd = this_cpu_ptr(&csd_data);
}
csd_lock(csd);
@@ -229,7 +229,7 @@ static void flush_smp_call_function_queue(bool warn_cpu_offline)
WARN_ON(!irqs_disabled());
- head = &__get_cpu_var(call_single_queue);
+ head = this_cpu_ptr(&call_single_queue);
entry = llist_del_all(head);
entry = llist_reverse_order(entry);
@@ -419,7 +419,7 @@ void smp_call_function_many(const struct cpumask *mask,
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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