From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753518AbYIWS7h (ORCPT ); Tue, 23 Sep 2008 14:59:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751911AbYIWS73 (ORCPT ); Tue, 23 Sep 2008 14:59:29 -0400 Received: from mail-gx0-f16.google.com ([209.85.217.16]:40422 "EHLO mail-gx0-f16.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751839AbYIWS72 (ORCPT ); Tue, 23 Sep 2008 14:59:28 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references:x-google-sender-auth; b=tu1aIdJQw0Dtsrid+ZBi+du/Ie0p5Gyl6uw6ps5sq/7U9ghnAemeVq8enYWO4Akero Qsl02NuHpXV1haTLCjooJ+S7w4COE4idqO5xV1WO25lCRGmUEP6K8iwl/BNWwAtPu3X0 pOl4evQlECFjXs9zZ2NJHhfq3EPV6cviM/o0o= Message-ID: <86802c440809231159x69883d44y26bbd491b6504a0f@mail.gmail.com> Date: Tue, 23 Sep 2008 11:59:26 -0700 From: "Yinghai Lu" To: "Jack Steiner" Subject: Re: [PATCH] - Add early detection of UV system types Cc: mingo@elte.hu, tglx@linutronix.de, linux-kernel@vger.kernel.org In-Reply-To: <20080923182817.GA6335@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20080923182817.GA6335@sgi.com> X-Google-Sender-Auth: 7b09a0348c122bd2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 23, 2008 at 11:28 AM, Jack Steiner wrote: > Portions of system boot needs to know if a system is a UV system prior > to genapic initialization. This patch adds a call from acpi_boot_table_init() > to the UV code to parse the MADT to determine if the system is a UV system. > > Signed-off-by: Jack Steiner > > --- > arch/x86/kernel/acpi/boot.c | 4 ++++ > arch/x86/kernel/genx2apic_uv_x.c | 21 ++++++++++++--------- > arch/x86/mm/srat_64.c | 2 +- > include/asm-x86/genapic_64.h | 2 ++ > 4 files changed, 19 insertions(+), 10 deletions(-) > > Index: linux/arch/x86/kernel/acpi/boot.c > =================================================================== > --- linux.orig/arch/x86/kernel/acpi/boot.c 2008-09-23 12:55:15.000000000 -0500 > +++ linux/arch/x86/kernel/acpi/boot.c 2008-09-23 12:55:19.000000000 -0500 > @@ -1667,6 +1667,10 @@ int __init acpi_boot_table_init(void) > > acpi_table_parse(ACPI_SIG_BOOT, acpi_parse_sbf); > > +#ifdef CONFIG_X86_64 > + acpi_table_parse(ACPI_SIG_MADT, uv_early_madt_oem_check); > +#endif > + > /* > * blacklist may disable ACPI entirely > */ you don't need to that. please call early_acpi_boot_init instead sth like diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 3d677b5..7ead2aa 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -997,6 +997,8 @@ void __init setup_arch(char **cmdline_p) */ acpi_boot_table_init(); + early_acpi_boot_init(); + #ifdef CONFIG_ACPI_NUMA /* * Parse SRAT to discover nodes. YH