From patchwork Fri Feb 22 19:41:37 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Atish Patra X-Patchwork-Id: 10826875 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 D7BC01575 for ; Fri, 22 Feb 2019 19:42:28 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C1C51328DB for ; Fri, 22 Feb 2019 19:42:28 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B3577329CE; Fri, 22 Feb 2019 19:42:28 +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 65569328DB for ; Fri, 22 Feb 2019 19:42:28 +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=PjXb01kWkhvijp17DykAeEpvBa moI9PK4FtoG1tBFRMhRNNbz7f1J6MzVfjdwqLS1t7bpMlG6qhu2jN0FfEoRaKzM73izLNw3WpeXEz h+Ly5Zua4e/Tq2/AdaVULzuN3uEsxD9/jLLHxH5HF4zRkfR2717TUefF92fvf126ZkqyfNmYzuMpy hl2Pn4SyuFfzuVvdQ/Xl21N0ETysOlnYpFpg3cMjcbaRsbKetGBhdS5PX7wdiY4fYF1imOfED5YmN 2H8BATN6fNng9HgXYsHBiBJVBRk0SPXrG49O1Oymsb4di6tPKa8tAQFAXGK5CH3iN6kuPZ1TB96Wf 8QyRf7DA==; 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 1gxGiH-0007MT-AR; Fri, 22 Feb 2019 19:42:25 +0000 Received: from esa4.hgst.iphmx.com ([216.71.154.42]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gxGiE-0007Jh-Mw for linux-riscv@lists.infradead.org; Fri, 22 Feb 2019 19:42:24 +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=1550864543; x=1582400543; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=dA6aSe5XZKK9jbqPUE7aSPe08mUJ7TsRaBX9UTEfvg4=; b=U6HyBNfLIM5/PIMZxOdN4WOIEnAtgyJ/NLBddEkIE8wQhETVEkVFZ9Xt 9ZvgdmIPTm2hEhlbU4ajLP4MmMvyj8SsE3g/T/69b0INdqzlEUHHIUSoV 6RhufC+UZcPiSmZKXIyrTu1Hj7qRrFdxIV8dwzYDUJDRsi5Mk3H7i5jLg +jkm09THWTsobfkMl67Oy3KtB2D1UAWt9QOZcIFB+CMdXodHToJBlq7UB 549yCTGCld9J4BkNXblRWR1kC+aMOLh2Mjs/MqKP6fO64t59/KmE5gs7w wgikNSuxcusI+0stjVQKYZnMFD8kAUaaX+XxCsL5LSWsjn8i8nBsABGWp Q==; X-IronPort-AV: E=Sophos;i="5.58,400,1544457600"; d="scan'208";a="101966790" Received: from uls-op-cesaip01.wdc.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 23 Feb 2019 03:42:04 +0800 Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep01.wdc.com with ESMTP; 22 Feb 2019 11:20:03 -0800 Received: from jedi-01.sdcorp.global.sandisk.com (HELO jedi-01.int.fusionio.com) ([10.11.143.218]) by uls-op-cesaip01.wdc.com with ESMTP; 22 Feb 2019 11:41:45 -0800 From: Atish Patra To: linux-riscv@lists.infradead.org Subject: [v6 PATCH 3/6] RISC-V: Remove NR_CPUs check during hartid search from DT Date: Fri, 22 Feb 2019 11:41:37 -0800 Message-Id: <1550864500-13652-4-git-send-email-atish.patra@wdc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1550864500-13652-1-git-send-email-atish.patra@wdc.com> References: <1550864500-13652-1-git-send-email-atish.patra@wdc.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190222_114222_943826_3D53237C X-CRM114-Status: UNSURE ( 7.81 ) 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: Albert Ou , Alan Kao , Dmitriy Cherkasov , Anup Patel , Palmer Dabbelt , Johan Hovold , linux-kernel@vger.kernel.org, Atish Patra , Paul Walmsley , Andreas Schwab , 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);