From patchwork Fri Feb 8 01:51:16 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Atish Patra X-Patchwork-Id: 10802351 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 7246E13B5 for ; Fri, 8 Feb 2019 01:51:57 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 639EA2E5E9 for ; Fri, 8 Feb 2019 01:51:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 61EEB2E624; Fri, 8 Feb 2019 01:51:57 +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 110F42E60F for ; Fri, 8 Feb 2019 01:51:57 +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=n+OyUo+NViPX7gVEu/jiSIQ8bLbDgn3KxH3I3WdgE18=; b=p3pUVyyrXCML+JL/4LMeA9QyLD ltXEJieYyz/js94zdxuQbPDAtpnOtJIiI6cvb+o60qqK/yeo0WYd5oHCtRHodqcP/SX+fVIVh7rVi cp6vk5uAsRSuAr3oCYOgWS5FnmHGU66bzeNY38iltjleXWQciPitvvTlwDA27ESiD1fsrFllwsz0l 5fm928ffJZKyh2YTy9rUTELFrjTSsxijrXAEEA3jcXCt+YUrARqG7k4/gf8J2rsCrZHmMr7JLowJp h9crxwUuSSFng1Nov5TrsPKKt1xmHtmbKEBHJrngPGemaIcO5y0XHbB5mtTSaXCWGF5MW8g9iygHB 0j+Gu9Sw==; 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 1grvKc-0002f8-Ny; Fri, 08 Feb 2019 01:51:54 +0000 Received: from esa6.hgst.iphmx.com ([216.71.154.45]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1grvKX-0002Xt-D9 for linux-riscv@lists.infradead.org; Fri, 08 Feb 2019 01:51:51 +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=1549590709; x=1581126709; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=7egq28/CSCkrSFqdZR+3wqM8pX3AZ5gSH/KN6l36VFg=; b=jDVr9vIdUrjnmSeHxA/wgL7ayiII70mdOAu8tZTMg6Gf7v0siBOKA7KP 79LGSqQd7tG+kj60feJJgIMvB/IAYqMDi7LJOCnta4zVMtO6ax/I8xvfp ROgLzn355sxPUIwd/QLu1xe+NL/0YksClTY11zOk9Mh3R9w/nemXRuF7q oWxtIwNibLRTaQa12oLn6yK3ET7R9uWqk8LXfbpJQ/brbm3OuT0Ykcn/z vansyWifCAo+J8+Ji6ITsBwG/vyr3yJBKzFjDx+geGRFN60KzJjSTE13+ EyPDgakV7eSwwiIbK6DU0dIyEykQ2p+DYga8LXemNitcKY/q2TQCfTvtS g==; X-IronPort-AV: E=Sophos;i="5.58,346,1544457600"; d="scan'208";a="102533282" Received: from uls-op-cesaip01.wdc.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 08 Feb 2019 09:51:36 +0800 Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep01.wdc.com with ESMTP; 07 Feb 2019 17:30:19 -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; 07 Feb 2019 17:51:36 -0800 From: Atish Patra To: linux-riscv@lists.infradead.org Subject: [v3 PATCH 3/8] RISC-V: Remove NR_CPUs check during hartid search from DT Date: Thu, 7 Feb 2019 17:51:16 -0800 Message-Id: <1549590681-24125-4-git-send-email-atish.patra@wdc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1549590681-24125-1-git-send-email-atish.patra@wdc.com> References: <1549590681-24125-1-git-send-email-atish.patra@wdc.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190207_175149_830378_2CCED967 X-CRM114-Status: UNSURE ( 8.82 ) 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: =?utf-8?q?Patrick_St=C3=A4hlin?= , Albert Ou , Damien Le Moal , Jason Cooper , Alan Kao , Dmitriy Cherkasov , Anup Patel , Daniel Lezcano , linux-kernel@vger.kernel.org, Zong Li , 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 f8fa2c63..19edaeae 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_property_read_string(node, "status", &status)) { pr_warn("CPU with hartid=%d has no \"status\" property\n", hart);