From patchwork Tue Feb 12 11:10:07 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Atish Patra X-Patchwork-Id: 10807695 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 ED51B13B4 for ; Tue, 12 Feb 2019 11:10:37 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DB4732B2A7 for ; Tue, 12 Feb 2019 11:10:37 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CF18C2B2D6; Tue, 12 Feb 2019 11:10:37 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 771172B2A7 for ; Tue, 12 Feb 2019 11:10:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=yp824XKfX+CAHGGUn+XWKhrKyv674BKevqdM2T9jp/M=; b=oSki6YOGJ54LCqQajMOhNr3fuj j2YBwLODu/VLbseYJKkNsQMcYJFckWS+rwFchqlIirkyWqZTE4ALxKXfyVCODtTQPJs38Q9OrtYdF QN0pFrRnBEv7+Reysk+wbxaiNTYxAFGl6CBDvQyDDtsdrPtXxzt/sWFNfAswe/CY5wYe3WiVCknZk 2AY1AzGPCLVgteZLiboo7f7MqDnQygeQNetXAMB2Nh5mgcn8DPGg6oQJjPEHt6uMMnyMz4iVaELgr Cc3bOJlTdnTw5RfWmZgjBjPojhed1joUOj7d7GWWxp4PSOhB+uboqlRjBUjYhoP1jgxZ//NLeSQ+B wC+vCA4w==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gtVxS-0002yM-Cy; Tue, 12 Feb 2019 11:10:34 +0000 Received: from esa5.hgst.iphmx.com ([216.71.153.144]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gtVxO-0002tv-4q for linux-riscv@lists.infradead.org; Tue, 12 Feb 2019 11:10:31 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1549969830; x=1581505830; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=dA6aSe5XZKK9jbqPUE7aSPe08mUJ7TsRaBX9UTEfvg4=; b=OvsbDAV4eYz7Rs+sm7VVPtqUFzgzzH8QlZ56vrh4nwT8CG1Yc9Hi/PSG 08IMIsCSYPZuD0z0nBEbC3J1S8wdW6i8i73Ro6e0g/nYp/J/zOZr9UdLR 5pRulb3IWQ9LHW9SbGkg4Gz6NfXv/8HcPrJ+R+tphHBoGboAj+OUG5wsc u9Rcyc+wp4RqlLLQSn23FKYbQY5KPmUeNSePjJY1AWGf76M0FuqrAq6ez XlFjtDbzr8g94e+erPmJy8D3XG4hAT1RlHPT3tiCieGi/0e1yXi8fdYuF JrIe9QCzmvUMg0+714+Ef9YsQdXMWWTPGXxX3qH1qlOOFaM3pcf1w41iI g==; X-IronPort-AV: E=Sophos;i="5.58,361,1544457600"; d="scan'208";a="102308191" Received: from uls-op-cesaip01.wdc.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 12 Feb 2019 19:10:21 +0800 Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep01.wdc.com with ESMTP; 12 Feb 2019 02:48:57 -0800 Received: from jedi-01.sdcorp.global.sandisk.com (HELO jedi-01.int.fusionio.com) ([10.11.143.218]) by uls-op-cesaip02.wdc.com with ESMTP; 12 Feb 2019 03:10:21 -0800 From: Atish Patra To: linux-riscv@lists.infradead.org Subject: [v4 PATCH 3/8] RISC-V: Remove NR_CPUs check during hartid search from DT Date: Tue, 12 Feb 2019 03:10:07 -0800 Message-Id: <1549969812-22502-4-git-send-email-atish.patra@wdc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1549969812-22502-1-git-send-email-atish.patra@wdc.com> References: <1549969812-22502-1-git-send-email-atish.patra@wdc.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190212_031030_295182_EA778B96 X-CRM114-Status: UNSURE ( 8.17 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Rob Herring , Albert Ou , Jason Cooper , Alan Kao , Dmitriy Cherkasov , Anup Patel , Daniel Lezcano , Johan Hovold , linux-kernel@vger.kernel.org, Atish Patra , Palmer Dabbelt , Paul Walmsley , Andreas Schwab , Marc Zyngier , Thomas Gleixner MIME-Version: 1.0 Sender: "linux-riscv" Errors-To: linux-riscv-bounces+patchwork-linux-riscv=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP In non-smp configuration, hartid can be higher that NR_CPUS. riscv_of_processor_hartid should not be compared to hartid to NR_CPUS in that case. Moreover, this function checks all the DT properties of a hart node. NR_CPUS comparison seems out of place. Signed-off-by: Atish Patra Reviewed-by: Christoph Hellwig Reviewed-by: Anup Patel --- arch/riscv/kernel/cpu.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/arch/riscv/kernel/cpu.c b/arch/riscv/kernel/cpu.c index d1d9bfd5..cf2fca12 100644 --- a/arch/riscv/kernel/cpu.c +++ b/arch/riscv/kernel/cpu.c @@ -34,10 +34,6 @@ int riscv_of_processor_hartid(struct device_node *node) pr_warn("Found CPU without hart ID\n"); return -ENODEV; } - if (hart >= NR_CPUS) { - pr_info("Found hart ID %d, which is above NR_CPUs. Disabling this hart\n", hart); - return -ENODEV; - } if (!of_device_is_available(node)) { pr_info("CPU with hartid=%d is not available\n", hart);