From patchwork Fri Jan 26 12:31:24 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xie XiuQi X-Patchwork-Id: 10185511 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 2A56E60383 for ; Fri, 26 Jan 2018 12:25:22 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 12A7B28859 for ; Fri, 26 Jan 2018 12:25:22 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0710329178; Fri, 26 Jan 2018 12:25:22 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4A19B28859 for ; Fri, 26 Jan 2018 12:25:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751867AbeAZMZT (ORCPT ); Fri, 26 Jan 2018 07:25:19 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:42097 "EHLO huawei.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1751804AbeAZMZS (ORCPT ); Fri, 26 Jan 2018 07:25:18 -0500 Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id E36433963CE1E; Fri, 26 Jan 2018 20:25:04 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by DGGEMS411-HUB.china.huawei.com (10.3.19.211) with Microsoft SMTP Server id 14.3.361.1; Fri, 26 Jan 2018 20:25:00 +0800 From: Xie XiuQi To: , , , , , , , , , , , , , CC: , , , , , , , , , , , , Subject: [PATCH v5 2/3] GHES: add a notify chain for process memory section Date: Fri, 26 Jan 2018 20:31:24 +0800 Message-ID: <1516969885-150532-3-git-send-email-xiexiuqi@huawei.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1516969885-150532-1-git-send-email-xiexiuqi@huawei.com> References: <1516969885-150532-1-git-send-email-xiexiuqi@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.113.25] X-CFilter-Loop: Reflected Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add a notify chain for process memory section, with which other modules might do error recovery. Signed-off-by: Xie XiuQi Tested-by: Wang Xiongfeng Tested-by: Tyler Baicar --- drivers/acpi/apei/ghes.c | 10 ++++++++++ include/acpi/ghes.h | 8 ++++++++ 2 files changed, 18 insertions(+) diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index cff671d..1f0ebfb 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -109,6 +109,9 @@ static inline bool is_hest_type_generic_v2(struct ghes *ghes) static LIST_HEAD(ghes_hed); static DEFINE_MUTEX(ghes_list_mutex); +ATOMIC_NOTIFIER_HEAD(ghes_mem_err_chain); +EXPORT_SYMBOL(ghes_mem_err_chain); + /* * Because the memory area used to transfer hardware error information * from BIOS to Linux can be determined only in NMI, IRQ or timer @@ -441,6 +444,13 @@ static void ghes_do_proc(struct ghes *ghes, if (guid_equal(sec_type, &CPER_SEC_PLATFORM_MEM)) { struct cper_sec_mem_err *mem_err = acpi_hest_get_payload(gdata); + struct ghes_mem_err mem; + + mem.notify_type = ghes->generic->notify.type; + mem.severity = gdata->error_severity; + mem.mem_err = mem_err; + + atomic_notifier_call_chain(&ghes_mem_err_chain, 0, &mem); ghes_edac_report_mem_error(ghes, sev, mem_err); diff --git a/include/acpi/ghes.h b/include/acpi/ghes.h index d626367..921ebf1 100644 --- a/include/acpi/ghes.h +++ b/include/acpi/ghes.h @@ -124,4 +124,12 @@ static inline void *acpi_hest_get_next(struct acpi_hest_generic_data *gdata) extern void ghes_arm_process_error(struct ghes *ghes, struct cper_sec_proc_arm *err); +struct ghes_mem_err { + int notify_type; + int severity; + struct cper_sec_mem_err *mem_err; +}; + +extern struct atomic_notifier_head ghes_mem_err_chain; + #endif /* GHES_H */