[PATCH 01/35] [PATCH 02/36] kernel misc: Replace __get_cpu_var uses

Christoph Lameter
2014-08-17T17:30:49Z

[-- Attachment #1: 0002-kernel-misc-Replace-__get_cpu_var-uses.patch --]
[-- Type: text/plain, Size: 1869 bytes --]

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>
---
kernel/printk/printk.c | 4 ++--
kernel/smp.c | 6 +++---
2 files changed, 5 insertions(+), 5 deletions(-)

Index: linux/kernel/printk/printk.c
===================================================================
--- linux.orig/kernel/printk/printk.c
+++ linux/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;
Index: linux/kernel/smp.c
===================================================================
--- linux.orig/kernel/smp.c
+++ linux/kernel/smp.c
@@ -164,7 +164,7 @@ static int generic_exec_single(int cpu,
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_queu

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
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);