From patchwork Fri Feb 15 19:43:52 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Williams X-Patchwork-Id: 10815781 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 44B4214E1 for ; Fri, 15 Feb 2019 20:03:22 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 33E4D303EA for ; Fri, 15 Feb 2019 20:03:22 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 324C130426; Fri, 15 Feb 2019 20:03:22 +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=-2.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from ml01.01.org (ml01.01.org [198.145.21.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id EAAFB303EA for ; Fri, 15 Feb 2019 20:03:21 +0000 (UTC) Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id CC27B201B043E; Fri, 15 Feb 2019 12:03:19 -0800 (PST) X-Original-To: linux-nvdimm@lists.01.org Delivered-To: linux-nvdimm@lists.01.org Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=134.134.136.31; helo=mga06.intel.com; envelope-from=dan.j.williams@intel.com; receiver=linux-nvdimm@lists.01.org Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id E4D5C2194EB78 for ; Fri, 15 Feb 2019 11:56:30 -0800 (PST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 15 Feb 2019 11:56:30 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,373,1544515200"; d="scan'208";a="118277815" Received: from dwillia2-desk3.jf.intel.com (HELO dwillia2-desk3.amr.corp.intel.com) ([10.54.39.16]) by orsmga008.jf.intel.com with ESMTP; 15 Feb 2019 11:56:30 -0800 Subject: [PATCH v2 1/6] nfit/ars: Attempt a short-ARS whenever the ARS state is idle at boot From: Dan Williams To: linux-nvdimm@lists.01.org Date: Fri, 15 Feb 2019 11:43:52 -0800 Message-ID: <155025983247.1043225.5927153534700111609.stgit@dwillia2-desk3.amr.corp.intel.com> In-Reply-To: <155025982726.1043225.15436410616433285475.stgit@dwillia2-desk3.amr.corp.intel.com> References: <155025982726.1043225.15436410616433285475.stgit@dwillia2-desk3.amr.corp.intel.com> User-Agent: StGit/0.18-2-gc94f MIME-Version: 1.0 X-BeenThere: linux-nvdimm@lists.01.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Linux-nvdimm developer list." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel@vger.kernel.org, Krzysztof Rusocki Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" X-Virus-Scanned: ClamAV using ClamSMTP If query-ARS reports that ARS has stopped and requires continuation attempt to retrieve short-ARS results before continuing the long operation. Reported-by: Krzysztof Rusocki Signed-off-by: Dan Williams --- drivers/acpi/nfit/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index e18ade5d74e9..3d681a92ff7f 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -3012,6 +3012,7 @@ static int ars_register(struct acpi_nfit_desc *acpi_desc, switch (acpi_nfit_query_poison(acpi_desc)) { case 0: + case -ENOSPC: case -EAGAIN: rc = ars_start(acpi_desc, nfit_spa, ARS_REQ_SHORT); /* shouldn't happen, try again later */ @@ -3036,7 +3037,6 @@ static int ars_register(struct acpi_nfit_desc *acpi_desc, break; case -EBUSY: case -ENOMEM: - case -ENOSPC: /* * BIOS was using ARS, wait for it to complete (or * resources to become available) and then perform our