AcoSail/kernel_optimize_test
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timers: Use this_cpu_read

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Eric asked for this.

[tglx: Because it generates faster code according to Erics ]

Signed-off-by: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: linux-mm@kvack.org
LKML-Reference: <alpine.DEB.2.00.1011301404490.4039@router.home>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Christoph Lameter 2010-11-30 14:05:53 -06:00 committed by Thomas Gleixner
parent 45f74264e1
commit 7496351ad8
1 changed files with 2 additions and 2 deletions
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4
kernel/timer.c
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@ -1227,7 +1227,7 @@ static unsigned long cmp_next_hrtimer_event(unsigned long now,
*/
unsigned long get_next_timer_interrupt(unsigned long now)
{
struct tvec_base *base = __get_cpu_var(tvec_bases);
struct tvec_base *base = __this_cpu_read(tvec_bases);
unsigned long expires;
spin_lock(&base->lock);
@ -1267,7 +1267,7 @@ void update_process_times(int user_tick)
*/
static void run_timer_softirq(struct softirq_action *h)
{
struct tvec_base *base = __get_cpu_var(tvec_bases);
struct tvec_base *base = __this_cpu_read(tvec_bases);
hrtimer_run_pending();