From: Christoph Lameter <cl@linux.com>
To: akpm@linux-foundation.org
Cc: Pekka Enberg <penberg@cs.helsinki.fi>,
linux-kernel@vger.kernel.org,
Eric Dumazet <eric.dumazet@gmail.com>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Tejun Heo <tj@kernel.org>,
linux-mm@kvack.org, Thomas Gleixner <tglx@linutronix.de>
Subject: [extra] timers: Use this_cpu_read
Date: Tue, 30 Nov 2010 14:05:53 -0600 (CST) [thread overview]
Message-ID: <alpine.DEB.2.00.1011301404490.4039@router.home> (raw)
In-Reply-To: <20101130190707.457099608@linux.com>
Subject: timers: Use this_cpu_read
Eric asked for this.
Signed-off-by: Christoph Lameter <cl@linux.com>
---
kernel/timer.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
Index: linux-2.6/kernel/timer.c
===================================================================
--- linux-2.6.orig/kernel/timer.c 2010-11-30 14:01:41.000000000 -0600
+++ linux-2.6/kernel/timer.c 2010-11-30 14:02:05.000000000 -0600
@@ -1249,7 +1249,7 @@ static unsigned long cmp_next_hrtimer_ev
*/
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);
@@ -1292,7 +1292,7 @@ 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();
--
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prev parent reply other threads:[~2010-11-30 20:05 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-30 19:07 [thisops uV3 00/18] Upgrade of this_cpu_ops V3 Christoph Lameter
2010-11-30 19:07 ` [thisops uV3 01/18] percpucounter: Optimize __percpu_counter_add a bit through the use of this_cpu() options Christoph Lameter
2010-11-30 19:07 ` [thisops uV3 02/18] vmstat: Optimize zone counter modifications through the use of this cpu operations Christoph Lameter
2010-11-30 19:07 ` [thisops uV3 03/18] percpu: Generic support for this_cpu_add,sub,dec,inc_return Christoph Lameter
2010-11-30 19:07 ` [thisops uV3 04/18] x86: Support " Christoph Lameter
2010-11-30 19:07 ` [thisops uV3 05/18] x86: Use this_cpu_inc_return for nmi counter Christoph Lameter
2010-11-30 19:07 ` [thisops uV3 06/18] vmstat: Use this_cpu_inc_return for vm statistics Christoph Lameter
2010-11-30 19:07 ` [thisops uV3 07/18] highmem: Use this_cpu_xx_return() operations Christoph Lameter
2010-11-30 19:13 ` Eric Dumazet
2010-11-30 19:19 ` Peter Zijlstra
2010-11-30 19:26 ` Christoph Lameter
2010-11-30 19:29 ` Eric Dumazet
2010-11-30 19:38 ` Peter Zijlstra
2010-11-30 19:53 ` Christoph Lameter
2010-11-30 19:07 ` [thisops uV3 08/18] Taskstats: Use this_cpu_ops Christoph Lameter
2010-12-01 18:06 ` Michael Holzheu
2010-12-01 18:13 ` Christoph Lameter
2010-12-06 14:32 ` Balbir Singh
2010-12-07 14:39 ` Christoph Lameter
2010-11-30 19:07 ` [thisops uV3 09/18] fs: Use this_cpu_xx operations in buffer.c Christoph Lameter
2010-11-30 19:07 ` [thisops uV3 10/18] x86: Use this_cpu_ops to optimize code Christoph Lameter
2010-11-30 19:07 ` [thisops uV3 11/18] x86: Use this_cpu_ops for current_cpu_data accesses Christoph Lameter
2010-11-30 19:07 ` [thisops uV3 12/18] Core: Replace __get_cpu_var with __this_cpu_read if not used for an address Christoph Lameter
2010-11-30 19:07 ` [thisops uV3 13/18] drivers: " Christoph Lameter
2010-11-30 19:07 ` [thisops uV3 14/18] lguest: Use this_cpu_ops Christoph Lameter
2010-12-06 7:46 ` Rusty Russell
2010-12-06 15:54 ` Christoph Lameter
2010-12-06 16:27 ` Christoph Lameter
2010-11-30 19:07 ` [thisops uV3 15/18] Xen: " Christoph Lameter
2010-11-30 20:53 ` Jeremy Fitzhardinge
2010-11-30 21:03 ` Christoph Lameter
2010-11-30 19:07 ` [thisops uV3 16/18] kprobes: " Christoph Lameter
2010-11-30 19:07 ` [thisops uV3 17/18] Connector: Use this_cpu operations Christoph Lameter
2010-11-30 19:07 ` [thisops uV3 18/18] Fakekey: Simplify speakup_fake_key_pressed through this_cpu_ops Christoph Lameter
2010-11-30 20:05 ` Christoph Lameter [this message]
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