From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 74D32B701F for ; Thu, 28 Jun 2012 20:51:05 +1000 (EST) 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 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" Mime-Version: 1.0 Cc: scottwood@freescale.com, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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.