[PATCH 01/31] kernel misc: Replace __get_cpu_var uses
From: Christoph Lameter
Date: Fri Jun 20 2014 - 15:31:37 EST
Replace uses of __get_cpu_var for address calculation with this_cpu_ptr.
Cc: akpm@xxxxxxxxxxxxxxxxxxxx
Signed-off-by: Christoph Lameter <cl@xxxxxxxxx>
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);
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/