From patchwork Fri Sep 1 10:32:01 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xie XiuQi X-Patchwork-Id: 9933857 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 B790360309 for ; Fri, 1 Sep 2017 10:31:19 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B2BA928622 for ; Fri, 1 Sep 2017 10:31:19 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A73A22862C; Fri, 1 Sep 2017 10:31:19 +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 3511328622 for ; Fri, 1 Sep 2017 10:31:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751825AbdIAKbR (ORCPT ); Fri, 1 Sep 2017 06:31:17 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:5523 "EHLO szxga05-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751670AbdIAKbQ (ORCPT ); Fri, 1 Sep 2017 06:31:16 -0400 Received: from 172.30.72.58 (EHLO DGGEMS405-HUB.china.huawei.com) ([172.30.72.58]) by dggrg05-dlp.huawei.com (MOS 4.4.6-GA FastPath queued) with ESMTP id DGK21186; Fri, 01 Sep 2017 18:31:07 +0800 (CST) Received: from localhost.localdomain.localdomain (10.175.113.25) by DGGEMS405-HUB.china.huawei.com (10.3.19.205) with Microsoft SMTP Server id 14.3.301.0; Fri, 1 Sep 2017 18:30:59 +0800 From: Xie XiuQi To: , , , , , , , , , , , CC: , , , , , , Subject: [RFC PATCH v1 3/3] arm64/apei: get error address from memory section for recovery Date: Fri, 1 Sep 2017 18:32:01 +0800 Message-ID: <1504261921-39308-4-git-send-email-xiexiuqi@huawei.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1504261921-39308-1-git-send-email-xiexiuqi@huawei.com> References: <1504261921-39308-1-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=0001.0A020205.59A936EE.0095, 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: 2d74ca452a900460ee7becc10c4322f5 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 In some platform, when SEA triggerred, physical address might be reported by memory section, so we save it for error recovery later. Signed-off-by: Xie XiuQi --- arch/arm64/kernel/ras.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/arm64/kernel/ras.c b/arch/arm64/kernel/ras.c index 8562ec7..2b400b8 100644 --- a/arch/arm64/kernel/ras.c +++ b/arch/arm64/kernel/ras.c @@ -136,3 +136,20 @@ void arm_proc_error_check(struct ghes *ghes, struct cper_sec_proc_arm *err) if (!ret) set_thread_flag(TIF_SEA_NOTIFY); } + +void arch_apei_report_mem_error(struct ghes *ghes, int sev, + struct cper_sec_mem_err *mem) +{ + int ret = -1; + + if ((ghes->generic->notify.type != ACPI_HEST_NOTIFY_SEA) || + (ghes->estatus->error_severity != CPER_SEV_RECOVERABLE)) + return; + + if (mem->validation_bits & CPER_MEM_VALID_PA) { + ret = sea_save_info(mem->physical_addr); + } + + if (!ret) + set_thread_flag(TIF_SEA_NOTIFY); +}