From patchwork Fri Feb 15 19:43:57 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Williams X-Patchwork-Id: 10815787 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 CBA6514E1 for ; Fri, 15 Feb 2019 20:03:29 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BD196303A2 for ; Fri, 15 Feb 2019 20:03:29 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BBB08303CD; Fri, 15 Feb 2019 20:03:29 +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 ED045303E6 for ; Fri, 15 Feb 2019 20:03:24 +0000 (UTC) Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id E2AAA208AE991; 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=134.134.136.20; helo=mga02.intel.com; envelope-from=dan.j.williams@intel.com; receiver=linux-nvdimm@lists.01.org Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) (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 DC74D2194EB78 for ; Fri, 15 Feb 2019 11:56:35 -0800 (PST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 15 Feb 2019 11:56:35 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,373,1544515200"; d="scan'208";a="115302176" Received: from dwillia2-desk3.jf.intel.com (HELO dwillia2-desk3.amr.corp.intel.com) ([10.54.39.16]) by orsmga007.jf.intel.com with ESMTP; 15 Feb 2019 11:56:35 -0800 Subject: [PATCH v2 2/6] nfit/ars: Attempt short-ARS even in the no_init_ars case From: Dan Williams To: linux-nvdimm@lists.01.org Date: Fri, 15 Feb 2019 11:43:57 -0800 Message-ID: <155025983758.1043225.7069046151889688538.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: Erwin Tsaur , linux-kernel@vger.kernel.org Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" X-Virus-Scanned: ClamAV using ClamSMTP The no_init_ars option is meant to prevent long-ARS, but short-ARS should be allowed to grab any immediate results. Reported-by: Erwin Tsaur Signed-off-by: Dan Williams --- drivers/acpi/nfit/core.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index 3d681a92ff7f..934be96dc149 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -3004,11 +3004,12 @@ static int ars_register(struct acpi_nfit_desc *acpi_desc, { int rc; - if (no_init_ars || test_bit(ARS_FAILED, &nfit_spa->ars_state)) + if (test_bit(ARS_FAILED, &nfit_spa->ars_state)) return acpi_nfit_register_region(acpi_desc, nfit_spa); set_bit(ARS_REQ_SHORT, &nfit_spa->ars_state); - set_bit(ARS_REQ_LONG, &nfit_spa->ars_state); + if (!no_init_ars) + set_bit(ARS_REQ_LONG, &nfit_spa->ars_state); switch (acpi_nfit_query_poison(acpi_desc)) { case 0: