Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753612AbaBSNC7 (ORCPT ); Wed, 19 Feb 2014 08:02:59 -0500 Received: from www.linutronix.de ([62.245.132.108]:50779 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753041AbaBSNC6 (ORCPT ); Wed, 19 Feb 2014 08:02:58 -0500 Date: Wed, 19 Feb 2014 14:03:00 +0100 (CET) From: Thomas Gleixner To: Thomas Renninger cc: "Moore, Robert" , "x86@kernel.org" , "ck@conrad-kostecki.de" , "linux-kernel@vger.kernel.org" , "mingo@redhat.com" , "hpa@zytor.com" , "devel@acpica.org" Subject: Re: [Devel] ACPI: Also allow ACPI table adding via initrd not only overriding In-Reply-To: <2779111.V9OOdv2fEJ@skinner> Message-ID: References: <530265A3.3020302@zytor.com> <139301482.3RWgg14omZ@skinner> <94F2FBAB4432B54E8AACC7DFDE6C92E37C7D78A7@ORSMSX103.amr.corp.intel.com> <2779111.V9OOdv2fEJ@skinner> User-Agent: Alpine 2.02 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 19 Feb 2014, Thomas Renninger wrote: > On Tuesday, February 18, 2014 07:59:17 PM Moore, Robert wrote: > > Maybe not exactly "running", but at the very least, ACPICA must be > > initialized. > > > > All of this of course depends on how early the table needs to be loaded. > > I'd say as early as possible. > Not sure about Thomas' use case. The case is a BIOS with complete lack of ACPI tables. So we have no data about IOAPIC, HPET and other stuff. The current acpi_initrd_override() call is sufficient, because its called before acpi_boot_table_init(), which is the first function accessing any of the tables. Thanks, tglx -- 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/