Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753268AbaFMLDf (ORCPT ); Fri, 13 Jun 2014 07:03:35 -0400 Received: from mail-wg0-f45.google.com ([74.125.82.45]:47585 "EHLO mail-wg0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753006AbaFMLDZ (ORCPT ); Fri, 13 Jun 2014 07:03:25 -0400 From: Tomasz Nowicki To: rjw@rjwysocki.net, lenb@kernel.org, tony.luck@intel.com, bp@alien8.de, m.chehab@samsung.com, bp@suse.de Cc: linux-edac@vger.kernel.org, x86@kernel.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linaro-acpi@lists.linaro.org, rric@kernel.org, Tomasz Nowicki Subject: [PATCH v3 2/5] acpi, apei, ghes: Introduce ARCH_HAS_ACPI_APEI_NMI to make NMI error notification a GHES feature. Date: Fri, 13 Jun 2014 13:02:57 +0200 Message-Id: <1402657380-18539-3-git-send-email-tomasz.nowicki@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1402657380-18539-1-git-send-email-tomasz.nowicki@linaro.org> References: <1402657380-18539-1-git-send-email-tomasz.nowicki@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Currently APEI depends on x86 architecture. It is because of NMI hardware error notification of GHES which is currently supported by x86 only. However, many other APEI features can be still used perfectly by other architectures. This commit adds ARCH_HAS_ACPI_APEI_NMI which will be used in next patches for NMI related code isolation in ghes.c file. Only NMI error notification feature depends on x86 so let it be hard selected for x86 arch. Signed-off-by: Tomasz Nowicki --- arch/x86/Kconfig | 1 + drivers/acpi/apei/Kconfig | 8 +++++++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 3fc9b12..e1dc819 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -24,6 +24,7 @@ config X86 select ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS select ARCH_MIGHT_HAVE_PC_PARPORT select ARCH_MIGHT_HAVE_PC_SERIO + select ARCH_HAS_ACPI_APEI_NMI select HAVE_AOUT if X86_32 select HAVE_UNSTABLE_SCHED_CLOCK select ARCH_SUPPORTS_NUMA_BALANCING if X86_64 diff --git a/drivers/acpi/apei/Kconfig b/drivers/acpi/apei/Kconfig index c4dac71..9f6c3ec 100644 --- a/drivers/acpi/apei/Kconfig +++ b/drivers/acpi/apei/Kconfig @@ -3,7 +3,6 @@ config ACPI_APEI select MISC_FILESYSTEMS select PSTORE select UEFI_CPER - depends on X86 help APEI allows to report errors (for example from the chipset) to the operating system. This improves NMI handling @@ -26,6 +25,13 @@ config ACPI_APEI_GHES by firmware to produce more valuable hardware error information for Linux. +config ARCH_HAS_ACPI_APEI_NMI + bool + help + Firmware first mode can use NMI notification mechanism to report errors + to operating system. This feature is currently supported by X86 + architecture only. + config ACPI_APEI_PCIEAER bool "APEI PCIe AER logging/recovering support" depends on ACPI_APEI && PCIEAER -- 1.7.9.5 -- 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/