Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753620AbaFDXXL (ORCPT ); Wed, 4 Jun 2014 19:23:11 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:40459 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753589AbaFDXXJ (ORCPT ); Wed, 4 Jun 2014 19:23:09 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Lv Zheng , "Rafael J. Wysocki" Subject: [PATCH 3.14 196/228] ACPICA: Tables: Restore old behavor to favor 32-bit FADT addresses. Date: Wed, 4 Jun 2014 16:23:45 -0700 Message-Id: <20140604232354.322453264@linuxfoundation.org> X-Mailer: git-send-email 1.9.0 In-Reply-To: <20140604232347.966798903@linuxfoundation.org> References: <20140604232347.966798903@linuxfoundation.org> User-Agent: quilt/0.63-1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Lv Zheng commit 85dbd5801f62b66e2aa7826aaefcaebead44c8a6 upstream. We need to find a smarter way to switch to 64-bit FADT addresses according to the bug report. This patch reverts Linux to the original behavior. Fixes: 0249ed2444d6 (ACPICA: Add option to favor 32-bit FADT addresses.) References: https://bugzilla.kernel.org/show_bug.cgi?id=74021 Reported-and-tested-by: Oswald Buddenhagen Signed-off-by: Lv Zheng Signed-off-by: Rafael J. Wysocki Signed-off-by: Greg Kroah-Hartman --- drivers/acpi/acpica/acglobal.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/acpi/acpica/acglobal.h +++ b/drivers/acpi/acpica/acglobal.h @@ -132,9 +132,9 @@ u8 ACPI_INIT_GLOBAL(acpi_gbl_do_not_use_ * address. Although ACPICA adheres to the ACPI specification which * requires the use of the corresponding 64-bit address if it is non-zero, * some machines have been found to have a corrupted non-zero 64-bit - * address. Default is FALSE, do not favor the 32-bit addresses. + * address. Default is TRUE, favor the 32-bit addresses. */ -u8 ACPI_INIT_GLOBAL(acpi_gbl_use32_bit_fadt_addresses, FALSE); +u8 ACPI_INIT_GLOBAL(acpi_gbl_use32_bit_fadt_addresses, TRUE); /* * Optionally truncate I/O addresses to 16 bits. Provides compatibility -- 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/