Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764671AbXJRSF6 (ORCPT ); Thu, 18 Oct 2007 14:05:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756835AbXJRSFv (ORCPT ); Thu, 18 Oct 2007 14:05:51 -0400 Received: from mga02.intel.com ([134.134.136.20]:28202 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756776AbXJRSFu (ORCPT ); Thu, 18 Oct 2007 14:05:50 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.21,296,1188802800"; d="scan'208";a="250289621" Date: Thu, 18 Oct 2007 10:56:01 -0700 From: Kristen Carlson Accardi To: Theodore Tso Cc: Mark Lord , Linux Kernel , Andrew Morton , greg@kroah.com, pcihpd-discuss@lists.sourceforge.net Subject: Re: [PATCH 0/3] Fix two PEIe hotplug issues Message-Id: <20071018105601.27d96f7e.kristen.c.accardi@intel.com> In-Reply-To: <20071018174925.GB4927@thunk.org> References: <4716CB9D.6080503@rtr.ca> <4716CE79.7040201@rtr.ca> <20071018091347.4b94faf8.kristen.c.accardi@intel.com> <4717928D.6070703@rtr.ca> <20071018100614.435fe88c.kristen.c.accardi@intel.com> <20071018174925.GB4927@thunk.org> X-Mailer: Sylpheed 2.3.1 (GTK+ 2.10.13; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1167 Lines: 29 On Thu, 18 Oct 2007 13:49:25 -0400 Theodore Tso wrote: > On Thu, Oct 18, 2007 at 10:06:14AM -0700, Kristen Carlson Accardi wrote: > > No, it actually does violate the spec. Feel free to read it yourself. > > We are not supposed to do Native PCIe without first successfully executing > > OSC. Period. If you do, you are violating the spec. > > To be fair, we have violated the spec before in order to get crappy > hardware or to work around crappy ACPI implementations. > acpi_sleep=s3_bios for example violates the spec, but yet it is the > only way to get certain laptops to suspend/resume correctly. > > The question to ask is whether violating the spec will lead to (a) a > potential system hang/crash, (b) data corruption, (c) physical harm to > the device/laptop. > > Regards, > > - Ted > And the answer is most definitely yes to at least a) and c) on specific hardware I know about. - 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/