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: 10185521 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 DE86960383 for ; Fri, 26 Jan 2018 12:25:59 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D63DE287C3 for ; Fri, 26 Jan 2018 12:25:59 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CACF8287DB; Fri, 26 Jan 2018 12:25:59 +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=-4.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 61B53287C3 for ; Fri, 26 Jan 2018 12:25:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Y4q2OGwpxHCzzUcPSxRS9GGKt0jtDMqvUxQ88hYfuwY=; b=SMLrbMAoBZQBAf /5hdS3L3w55DHxRvioJEwCQsqTm0VMtNZSUo3WBCaq/y4dDA1Wwn6mlHKAy6KG5+FYHAJPk6mB/Au hV0+MX5ivUzFrYH0SOUqnvtLH/CK2Xs0eBK/gTLd9eGA9YjbZ9EF3NC2sPmwGVmiAOG3Qqi4b2AXh E2uNauWjNp5IloIKSEl2hgzhMROq6ApdCanRKxkSDGOxAQJkHR8C3lQ9CAUcGheT3bjBvW3n628g0 UbGrT/N4v4xq8iJ/d1HnK7VmLixL4lc1NMPYp1YdzT6umZIq+vHdEXYIvqj+vltHQ/F2dDf9AMIwx 5iTJ/xL171dUG7tD9arw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.89 #1 (Red Hat Linux)) id 1ef34s-0005Cp-E8; Fri, 26 Jan 2018 12:25:54 +0000 Received: from [45.249.212.32] (helo=huawei.com) by bombadil.infradead.org with esmtps (Exim 4.89 #1 (Red Hat Linux)) id 1ef34X-0004am-Jp for linux-arm-kernel@lists.infradead.org; Fri, 26 Jan 2018 12:25:36 +0000 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: , , , , , , , , , , , , , 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 X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: wangkefeng.wang@huawei.com, cj.chengjian@huawei.com, xiexiuqi@huawei.com, linux-kernel@vger.kernel.org, gengdongjiu@huawei.com, lijinyue@huawei.com, linux-acpi@vger.kernel.org, hanjun.guo@linaro.org, huawei.libin@huawei.com, guohanjun@huawei.com, zhengqiang10@huawei.com, wangxiongfeng2@huawei.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.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 */