From patchwork Wed Sep 22 18:21:23 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Luck, Tony" X-Patchwork-Id: 12511223 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 29185C43219 for ; Wed, 22 Sep 2021 18:21:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1461C61214 for ; Wed, 22 Sep 2021 18:21:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236988AbhIVSXF (ORCPT ); Wed, 22 Sep 2021 14:23:05 -0400 Received: from mga05.intel.com ([192.55.52.43]:16951 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236943AbhIVSXD (ORCPT ); Wed, 22 Sep 2021 14:23:03 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10115"; a="309220317" X-IronPort-AV: E=Sophos;i="5.85,314,1624345200"; d="scan'208";a="309220317" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Sep 2021 11:21:31 -0700 X-IronPort-AV: E=Sophos;i="5.85,314,1624345200"; d="scan'208";a="474789118" Received: from agluck-desk2.sc.intel.com ([10.3.52.146]) by fmsmga007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Sep 2021 11:21:31 -0700 From: Tony Luck To: Sean Christopherson , Jarkko Sakkinen , Dave Hansen Cc: Cathy Zhang , linux-sgx@vger.kernel.org, Tony Luck Subject: [PATCH v6 7/7] x86/sgx: Add check for SGX pages to ghes_do_memory_failure() Date: Wed, 22 Sep 2021 11:21:23 -0700 Message-Id: <20210922182123.200105-8-tony.luck@intel.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210922182123.200105-1-tony.luck@intel.com> References: <20210917213836.175138-1-tony.luck@intel.com> <20210922182123.200105-1-tony.luck@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-sgx@vger.kernel.org SGX EPC pages do not have a "struct page" associated with them so the pfn_valid() sanity check fails and results in a warning message to the console. Add an additonal check to skip the warning if the address of the error is in an SGX EPC page. Signed-off-by: Tony Luck --- drivers/acpi/apei/ghes.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index 0c8330ed1ffd..0c5c9acc6254 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -449,7 +449,7 @@ static bool ghes_do_memory_failure(u64 physical_addr, int flags) return false; pfn = PHYS_PFN(physical_addr); - if (!pfn_valid(pfn)) { + if (!pfn_valid(pfn) && !arch_is_platform_page(physical_addr)) { pr_warn_ratelimited(FW_WARN GHES_PFX "Invalid address in generic error data: %#llx\n", physical_addr);