From patchwork Wed Sep 27 12:50:19 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xie XiuQi X-Patchwork-Id: 9973973 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 AEF6B60365 for ; Wed, 27 Sep 2017 12:47:42 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A3BB328EF8 for ; Wed, 27 Sep 2017 12:47:42 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 981C62907D; Wed, 27 Sep 2017 12:47:42 +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 48DAB28EF8 for ; Wed, 27 Sep 2017 12:47:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752932AbdI0Mrh (ORCPT ); Wed, 27 Sep 2017 08:47:37 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:7054 "EHLO szxga05-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752880AbdI0Mrf (ORCPT ); Wed, 27 Sep 2017 08:47:35 -0400 Received: from 172.30.72.60 (EHLO DGGEMS412-HUB.china.huawei.com) ([172.30.72.60]) by dggrg05-dlp.huawei.com (MOS 4.4.6-GA FastPath queued) with ESMTP id DID15388; Wed, 27 Sep 2017 20:46:48 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by DGGEMS412-HUB.china.huawei.com (10.3.19.212) with Microsoft SMTP Server id 14.3.301.0; Wed, 27 Sep 2017 20:46:37 +0800 From: Xie XiuQi To: , , , , , , , , , , , , , CC: , , , , , , , , , , , , Subject: [PATCH v4 3/4] GHES: add a notify chain for process memory section Date: Wed, 27 Sep 2017 20:50:19 +0800 Message-ID: <1506516620-20033-4-git-send-email-xiexiuqi@huawei.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1506516620-20033-1-git-send-email-xiexiuqi@huawei.com> References: <1506516620-20033-1-git-send-email-xiexiuqi@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.113.25] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020206.59CB9DB8.018B, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 26405c68c32a01470d17fff77ab17a41 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 --- 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 2abf673..56b7336 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -108,6 +108,9 @@ 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 @@ -485,6 +488,13 @@ 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 8bcb8e5..ab51e40 100644 --- a/include/acpi/ghes.h +++ b/include/acpi/ghes.h @@ -123,4 +123,12 @@ 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 */