Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752640AbaBNUGk (ORCPT ); Fri, 14 Feb 2014 15:06:40 -0500 Received: from terminus.zytor.com ([198.137.202.10]:58081 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752487AbaBNUGi (ORCPT ); Fri, 14 Feb 2014 15:06:38 -0500 Message-ID: <52FE7738.6040009@zytor.com> Date: Fri, 14 Feb 2014 12:06:16 -0800 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.3.0 MIME-Version: 1.0 To: Thomas Gleixner CC: Conrad Kostecki , "linux-kernel@vger.kernel.org" , "x86@kernel.org" , "mingo@redhat.com" , "Rafael J. Wysocki" , Thomas Renninger Subject: Re: AW: AW: [PATCH] x86: HPET force enable for Soekris net6501 References: <4729ad4b8d3342c1b0e29fefe4b04d6a@DB4PR04MB265.eurprd04.prod.outlook.com> <52FE5683.6030708@zytor.com> <52FE5BB6.9070405@zytor.com> <1051d374173243b2828efcd21f60ac36@DB4PR04MB265.eurprd04.prod.outlook.com> <52FE5D91.6060005@zytor.com> <52FE5ED4.4040508@zytor.com> <52FE6DEF.1050607@zytor.com> In-Reply-To: X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 02/14/2014 11:59 AM, Thomas Gleixner wrote: > On Fri, 14 Feb 2014, H. Peter Anvin wrote: >> On 02/14/2014 11:15 AM, Thomas Gleixner wrote: >>> I'm fine with ACPI tables if we can provide simple means for embedded >>> users to load one via grub or just attach it to the kernel image. >> >> That already exists, see Documentation/acpi/initrd_table_override.txt. > > That requires, that you have already ACPI tables. > > ACPI_SIG_RSDP cannot be overridden and that's the base table you need > to get ACPI going in the first place. So we need support for that and > probably for storing the tables at some non canonical place. > Well, the RSDP and RSDT/XSDT are nothing but pointers to other tables, so if explicitly overridden I'm not sure if one actually would need them. That doesn't mean our current code will work without them, though. Thomas, Rafael, do you have any insights? -hpa -- 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/