From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753300Ab1A0PAf (ORCPT ); Thu, 27 Jan 2011 10:00:35 -0500 Received: from mailout-de.gmx.net ([213.165.64.23]:45169 "HELO mailout-de.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752679Ab1A0PAb (ORCPT ); Thu, 27 Jan 2011 10:00:31 -0500 X-Authenticated: #911537 X-Provags-ID: V01U2FsdGVkX196bwxpkD96k0eCOLkPJTubg8QJEcDjl75qGNhfuL jNtpkxQiIPeXMy Subject: [PATCH v2 19/20] xtensa: switch do_timer() to xtime_update() To: LKML From: Torben Hohn Cc: Chris Zankel , Peter Zijlstra , johnstul@us.ibm.com, hch@infradead.org, yong.zhang0@gmail.com, Thomas Gleixner Date: Thu, 27 Jan 2011 16:00:27 +0100 Message-ID: <20110127150027.23248.61798.stgit@localhost> In-Reply-To: <20110127145741.23248.68098.stgit@localhost> References: <20110127145741.23248.68098.stgit@localhost> User-Agent: StGit/0.15 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org xtime_update() takes the xtime_lock itself. set_linux_timer() does not need to be protected by a lock. Cc: Chris Zankel Signed-off-by: Torben Hohn --- arch/xtensa/kernel/time.c | 6 +----- 1 files changed, 1 insertions(+), 5 deletions(-) diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c index 19df764..f3e5eb4 100644 --- a/arch/xtensa/kernel/time.c +++ b/arch/xtensa/kernel/time.c @@ -96,16 +96,12 @@ again: update_process_times(user_mode(get_irq_regs())); #endif - write_seqlock(&xtime_lock); - - do_timer(1); /* Linux handler in kernel/timer.c */ + xtime_update(1); /* Linux handler in kernel/time/timekeeping */ /* Note that writing CCOMPARE clears the interrupt. */ next += CCOUNT_PER_JIFFY; set_linux_timer(next); - - write_sequnlock(&xtime_lock); } /* Allow platform to do something useful (Wdog). */