Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752765Ab2F1KvK (ORCPT ); Thu, 28 Jun 2012 06:51:10 -0400 Received: from gate.crashing.org ([63.228.1.57]:53756 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750817Ab2F1KvJ (ORCPT ); Thu, 28 Jun 2012 06:51:09 -0400 Message-ID: <1340880651.20977.83.camel@pasglop> Subject: Re: [PATCH v6 1/5] powerpc/85xx: implement hardware timebase sync From: Benjamin Herrenschmidt To: Zhao Chenhui Cc: linuxppc-dev@lists.ozlabs.org, scottwood@freescale.com, linux-kernel@vger.kernel.org, leoli@freescale.com Date: Thu, 28 Jun 2012 20:50:51 +1000 In-Reply-To: <20120628033815.GA11387@localhost.localdomain> References: <1340706359-9455-1-git-send-email-chenhui.zhao@freescale.com> <1340748634.3732.27.camel@pasglop> <20120627102138.GB10476@localhost.localdomain> <1340797732.3732.46.camel@pasglop> <20120628033815.GA11387@localhost.localdomain> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3-0ubuntu6 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 711 Lines: 22 On Thu, 2012-06-28 at 11:38 +0800, Zhao Chenhui wrote: > > > The bootloader have done a timebase sync. If we do not need KEXEC or > HOTPLUG_CPU feature, it is unnecessary to do it again at boot time of > kernel. I only compile the timebase sync routines > when users enable KEXEC or HOTPLUG_CPU. Still, how much are you really saving ? Is it worth the added mess and loss of test coverage ? We have too many conditional stuff like that already. Cheers, Ben. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/