From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755130Ab1AVAPB (ORCPT ); Fri, 21 Jan 2011 19:15:01 -0500 Received: from mailout-de.gmx.net ([213.165.64.22]:54652 "HELO mailout-de.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1755093Ab1AVAO7 (ORCPT ); Fri, 21 Jan 2011 19:14:59 -0500 X-Authenticated: #911537 X-Provags-ID: V01U2FsdGVkX1+19bkrFJS1zfUKuufogQcX6MBK2OvcdQ5ix64MN/ 4cpcCpr/nEdyPb From: Torben Hohn To: linux-kernel@vger.kernel.org Cc: tglx@linutronix.de, johnstul@us.ibm.com, hch@infradead.org, yong.zhang0@gmail.com, Torben Hohn Subject: [PATCH 14/18] mn10300: switch do_timer() to xtimer_update() Date: Sat, 22 Jan 2011 00:07:00 +0100 Message-Id: <1295651224-29823-15-git-send-email-torbenh@gmx.de> X-Mailer: git-send-email 1.7.2.3 In-Reply-To: <1295651224-29823-1-git-send-email-torbenh@gmx.de> References: <1295651224-29823-1-git-send-email-torbenh@gmx.de> X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org xtimer_update() properly takes the xtime_lock. mn10300_last_tsc is only accessed from this function. Signed-off-by: Torben Hohn --- arch/mn10300/kernel/time.c | 6 +----- 1 files changed, 1 insertions(+), 5 deletions(-) diff --git a/arch/mn10300/kernel/time.c b/arch/mn10300/kernel/time.c index 75da468..5b95500 100644 --- a/arch/mn10300/kernel/time.c +++ b/arch/mn10300/kernel/time.c @@ -104,8 +104,6 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id) unsigned tsc, elapse; irqreturn_t ret; - write_seqlock(&xtime_lock); - while (tsc = get_cycles(), elapse = tsc - mn10300_last_tsc, /* time elapsed since last * tick */ @@ -114,11 +112,9 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id) mn10300_last_tsc += MN10300_TSC_PER_HZ; /* advance the kernel's time tracking system */ - do_timer(1); + xtime_update(1); } - write_sequnlock(&xtime_lock); - ret = local_timer_interrupt(); #ifdef CONFIG_SMP send_IPI_allbutself(LOCAL_TIMER_IPI); -- 1.7.2.3