From patchwork Tue Sep 5 11:06:05 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xie XiuQi X-Patchwork-Id: 9938453 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 8DD9F600CB for ; Tue, 5 Sep 2017 11:07:17 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 808A328936 for ; Tue, 5 Sep 2017 11:07:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 74EEF2893C; Tue, 5 Sep 2017 11:07:17 +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=ham 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 2DB3A28936 for ; Tue, 5 Sep 2017 11:07:15 +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=oBWOu7WaHkMxpAqkLHBI5d/Y7n4UiTV+7YY1tCepQFk=; b=YUy4JxhpHWZ52C BU6CrhQg+CVtr5isNt1Ubcj/TILVblO8Rv9B4pEX953kN1iWX23juMYj6XpkRgsyQ9ul9Rc2BNAPe iohZ39Qk6EokE6+4Uf86oG6R1BN6EJNFsitEkeBUrv/dQUSk2QeviBY0iqbFdWFty9JeciiK09iDO J3h9vDXuHqdnp99yRp8v42jGcsO6QaFdbN4yq8FBdjyUVRNd3KUzlsutiZ8R78nc2gmhNPZLqGVlP F9RP3DGGVbVKxI9xoFv1HYd2EWFT0r6xs2zanAtzPeml0iel4MDeWwMpMuLZcZr7LQsnVbamQaoHK K22hpjoIuWnt/vbhOrlg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1dpBhH-0007VE-Je; Tue, 05 Sep 2017 11:07:11 +0000 Received: from szxga04-in.huawei.com ([45.249.212.190]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1dpBfu-0005qp-Pq for linux-arm-kernel@lists.infradead.org; Tue, 05 Sep 2017 11:06:02 +0000 Received: from 172.30.72.58 (EHLO DGGEMS411-HUB.china.huawei.com) ([172.30.72.58]) by dggrg04-dlp.huawei.com (MOS 4.4.6-GA FastPath queued) with ESMTP id DGO22105; Tue, 05 Sep 2017 19:05:17 +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 14.3.301.0; Tue, 5 Sep 2017 19:05:10 +0800 From: Xie XiuQi To: , , , , , , , , , , , , Subject: [PATCH v2 2/3] GHES: add a notify chain for process memory section Date: Tue, 5 Sep 2017 19:06:05 +0800 Message-ID: <1504609566-66318-3-git-send-email-xiexiuqi@huawei.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1504609566-66318-1-git-send-email-xiexiuqi@huawei.com> References: <1504609566-66318-1-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=0001.0A020206.59AE84ED.00DB, 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: aafaa9963d225137daf90bcdb75fd256 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170905_040548_247654_BACF2FED X-CRM114-Status: UNSURE ( 9.38 ) X-CRM114-Notice: Please train this message. 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, xiexiuqi@huawei.com, linux-kernel@vger.kernel.org, gengdongjiu@huawei.com, lijinyue@huawei.com, linux-acpi@vger.kernel.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 --- 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 502335c..5b310b7 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 @@ -479,6 +482,13 @@ 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 9f26e01..e26b783 100644 --- a/include/acpi/ghes.h +++ b/include/acpi/ghes.h @@ -115,4 +115,12 @@ static inline void *acpi_hest_get_next(struct acpi_hest_generic_data *gdata) int ghes_notify_sea(void); +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 */