From patchwork Mon Aug 22 15:33:14 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Justin He X-Patchwork-Id: 599365 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 51316C28D13 for ; Mon, 22 Aug 2022 15:33:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236531AbiHVPdp (ORCPT ); Mon, 22 Aug 2022 11:33:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42340 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235310AbiHVPdn (ORCPT ); Mon, 22 Aug 2022 11:33:43 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 8F6ACBCAF; Mon, 22 Aug 2022 08:33:39 -0700 (PDT) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 1A37FED1; Mon, 22 Aug 2022 08:33:42 -0700 (PDT) Received: from entos-ampere-02.shanghai.arm.com (entos-ampere-02.shanghai.arm.com [10.169.212.212]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 59C363F70D; Mon, 22 Aug 2022 08:33:30 -0700 (PDT) From: Jia He To: Len Brown , James Morse , Tony Luck , Borislav Petkov , Mauro Carvalho Chehab , Robert Richter , Robert Moore , Qiuxu Zhuo , Yazen Ghannam , Jonathan Corbet , Jan Luebbe , Khuong Dinh , Kani Toshi Cc: Ard Biesheuvel , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-edac@vger.kernel.org, devel@acpica.org, "Rafael J . Wysocki" , Shuai Xue , Jarkko Sakkinen , linux-efi@vger.kernel.org, nd@arm.com, "Paul E. McKenney" , Andrew Morton , Neeraj Upadhyay , Randy Dunlap , Damien Le Moal , Muchun Song , linux-doc@vger.kernel.org, Jia He Subject: [PATCH v3 0/9] Make ghes_edac a proper module Date: Mon, 22 Aug 2022 15:33:14 +0000 Message-Id: <20220822153323.187184-1-justin.he@arm.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-efi@vger.kernel.org Commit dc4e8c07e9e2 ("ACPI: APEI: explicit init of HEST and GHES in apci_init()") introduced a bug that ghes_edac_register() would be invoked before edac_init(). Because at that time, the bus "edac" hasn't been even registered, this created sysfs /devices/mc0 instead of /sys/devices/system/edac/mc/mc0 on an Ampere eMag server. Changelog: v3: - refine the commit logs - introduce ghes preferred and present flag (by Toshi) - move force_load to setup parameter - add the ghes_edac_preferred() check for x86/Arm edac drivers (incompleted list) v2: - add acked-by tag of Patch 1 from Ard - split the notifier patch - add 2 patch to get regular drivers selected when ghes edac is not loaded - fix an errno in igen6 driver - add a patch to fix the sparse warning of ghes - refine the commit logs Jia He (9): efi/cper: export several helpers for ghes_edac to use EDAC/ghes: Add a notifier for reporting memory errors EDAC/ghes: Make ghes_edac a proper module to remove the dependency on ghes EDAC/ghes: Move ghes_edac.force_load to setup parameter EDAC: Don't load chipset-specific edac drivers when ghes_edac is preferred ghes: Introduce a flag ghes_present apei/ghes: Use unrcu_pointer for cmpxchg EDAC/igen6: Keep returned errno consistent when edac mc has been enabled edac: Don't load Arm specific edac drivers when ghes_edac is preferred .../admin-guide/kernel-parameters.txt | 5 + drivers/acpi/apei/ghes.c | 94 ++++++++++++++-- drivers/edac/Kconfig | 4 +- drivers/edac/amd64_edac.c | 3 + drivers/edac/armada_xp_edac.c | 3 + drivers/edac/edac_module.h | 1 + drivers/edac/ghes_edac.c | 102 +++++++++++------- drivers/edac/i10nm_base.c | 3 + drivers/edac/igen6_edac.c | 5 +- drivers/edac/layerscape_edac.c | 3 + drivers/edac/pnd2_edac.c | 3 + drivers/edac/sb_edac.c | 3 + drivers/edac/skx_base.c | 3 + drivers/edac/thunderx_edac.c | 3 + drivers/edac/xgene_edac.c | 3 + drivers/firmware/efi/cper.c | 3 + include/acpi/ghes.h | 38 +++---- 17 files changed, 204 insertions(+), 75 deletions(-)