From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Bottomley Subject: Re: [PATCH] SCSI midlayer power management Date: 12 Aug 2004 12:29:28 -0400 Sender: linux-scsi-owner@vger.kernel.org Message-ID: <1092328173.2184.15.camel@mulgrave> References: <4119611D.60401@optonline.net> <20040811080935.GA26098@elf.ucw.cz> <411A1B72.1010302@optonline.net> <1092231462.2087.3.camel@mulgrave> <1092267400.2136.24.camel@gaston> <1092314892.1755.5.camel@mulgrave> <20040812131457.GB1086@elf.ucw.cz> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: Received: from stat16.steeleye.com ([209.192.50.48]:25324 "EHLO hancock.sc.steeleye.com") by vger.kernel.org with ESMTP id S268601AbUHLQ3z (ORCPT ); Thu, 12 Aug 2004 12:29:55 -0400 In-Reply-To: <20040812131457.GB1086@elf.ucw.cz> List-Id: linux-scsi@vger.kernel.org To: Pavel Machek Cc: Benjamin Herrenschmidt , Nathan Bryant , Linux SCSI Reflector , Linux Kernel list , Jeff Garzik On Thu, 2004-08-12 at 09:14, Pavel Machek wrote: > Even read-only access could hurt.... That DMA engine is going to get > very unhappy if we change data from under it, right? But we're not planning to change this area of memory (it's a driver allocated coherent mbox) until we power off the box, right? so it should be just like a reboot today. James