From patchwork Thu Sep 1 06:54:54 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Leizhen \(ThunderTown\)" X-Patchwork-Id: 75163 Delivered-To: patch@linaro.org Received: by 10.140.29.8 with SMTP id a8csp130096qga; Wed, 31 Aug 2016 23:56:34 -0700 (PDT) X-Received: by 10.66.216.130 with SMTP id oq2mr24007139pac.89.1472712994365; Wed, 31 Aug 2016 23:56:34 -0700 (PDT) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id ur7si4143224pab.3.2016.08.31.23.56.34; Wed, 31 Aug 2016 23:56:34 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of devicetree-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of devicetree-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752677AbcIAG4b (ORCPT + 7 others); Thu, 1 Sep 2016 02:56:31 -0400 Received: from szxga01-in.huawei.com ([58.251.152.64]:61023 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750957AbcIAG4a (ORCPT ); Thu, 1 Sep 2016 02:56:30 -0400 Received: from 172.24.1.137 (EHLO SZXEML429-HUB.china.huawei.com) ([172.24.1.137]) by szxrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DQL43228; Thu, 01 Sep 2016 14:56:18 +0800 (CST) Received: from localhost (10.177.23.164) by SZXEML429-HUB.china.huawei.com (10.82.67.184) with Microsoft SMTP Server id 14.3.235.1; Thu, 1 Sep 2016 14:56:08 +0800 From: Zhen Lei To: Catalin Marinas , Will Deacon , linux-arm-kernel , linux-kernel , Rob Herring , "Frank Rowand" , devicetree , Andrew Morton , linux-mm CC: Zefan Li , Xinwei Hu , "Tianhong Ding" , Hanjun Guo , Zhen Lei Subject: [PATCH v8 03/16] of/numa: add nid check for memory block Date: Thu, 1 Sep 2016 14:54:54 +0800 Message-ID: <1472712907-12700-4-git-send-email-thunder.leizhen@huawei.com> X-Mailer: git-send-email 1.9.5.msysgit.1 In-Reply-To: <1472712907-12700-1-git-send-email-thunder.leizhen@huawei.com> References: <1472712907-12700-1-git-send-email-thunder.leizhen@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.177.23.164] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020203.57C7D113.00E1, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 4374c5cf418fe017e73ae31d151676c4 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org If the numa-id which was configured in memory@ devicetree node is greater than MAX_NUMNODES, we should report a warning. We have done this for cpus and distance-map dt nodes, this patch help them to be consistent. Signed-off-by: Zhen Lei --- drivers/of/of_numa.c | 5 +++++ 1 file changed, 5 insertions(+) -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/of/of_numa.c b/drivers/of/of_numa.c index 7b3fbdc..c1bd62c 100644 --- a/drivers/of/of_numa.c +++ b/drivers/of/of_numa.c @@ -75,6 +75,11 @@ static int __init of_numa_parse_memory_nodes(void) */ continue; + if (nid >= MAX_NUMNODES) { + pr_warn("NUMA: Node id %u exceeds maximum value\n", nid); + r = -EINVAL; + } + for (i = 0; !r && !of_address_to_resource(np, i, &rsrc); i++) r = numa_add_memblk(nid, rsrc.start, rsrc.end + 1);