From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261768AbTJHUZ4 (ORCPT ); Wed, 8 Oct 2003 16:25:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261771AbTJHUZ4 (ORCPT ); Wed, 8 Oct 2003 16:25:56 -0400 Received: from e2.ny.us.ibm.com ([32.97.182.102]:55949 "EHLO e2.ny.us.ibm.com") by vger.kernel.org with ESMTP id S261768AbTJHUZy (ORCPT ); Wed, 8 Oct 2003 16:25:54 -0400 Subject: Re: [PATCH] monotonic seqlock for cyclone timer From: john stultz To: Stephen Hemminger Cc: Linus Torvalds , Andrew Morton , lkml In-Reply-To: <20031008115819.2404cd2a.shemminger@osdl.org> References: <20031008115819.2404cd2a.shemminger@osdl.org> Content-Type: text/plain Organization: Message-Id: <1065644448.1034.103.camel@cog.beaverton.ibm.com> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.4 Date: 08 Oct 2003 13:20:48 -0700 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2003-10-08 at 11:58, Stephen Hemminger wrote: > Replace read/write lock used for cyclone timer monotonic_lock with seqlock. > Similar to locking used on xtime and monotonic_lock in timers/timer_tsc.c > > It builds and runs, but I don't have hardware with cyclone support to test. > Not a big deal (yet) since only hangcheck timer uses monotonic clock so far. I use to run w/ almost the exact same patch on cyclone hardware. Looks good to me. thanks for sending this out -john