[PATCH 05/41] drivers/char/random: Replace __get_cpu_var uses

From: Christoph Lameter
Date: Fri Jan 17 2014 - 10:28:25 EST


A single case of using __get_cpu_var for address calculation.

Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Christoph Lameter <cl@xxxxxxxxx>

Index: linux/drivers/char/random.c
===================================================================
--- linux.orig/drivers/char/random.c 2013-12-02 16:07:47.924685509 -0600
+++ linux/drivers/char/random.c 2013-12-02 16:07:47.924685509 -0600
@@ -838,7 +838,7 @@ static DEFINE_PER_CPU(struct fast_pool,
void add_interrupt_randomness(int irq, int irq_flags)
{
struct entropy_store *r;
- struct fast_pool *fast_pool = &__get_cpu_var(irq_randomness);
+ struct fast_pool *fast_pool = this_cpu_ptr(&irq_randomness);
struct pt_regs *regs = get_irq_regs();
unsigned long now = jiffies;
cycles_t cycles = random_get_entropy();

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