From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752318AbaBXMcV (ORCPT ); Mon, 24 Feb 2014 07:32:21 -0500 Received: from cpanel09.rubas.ch ([195.182.222.79]:44953 "EHLO cpanel09.rubas.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751797AbaBXMcT (ORCPT ); Mon, 24 Feb 2014 07:32:19 -0500 X-Greylist: delayed 4125 seconds by postgrey-1.27 at vger.kernel.org; Mon, 24 Feb 2014 07:32:19 EST From: =?UTF-8?q?J=C3=BCrg=20Billeter?= To: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@lists.codethink.co.uk, =?UTF-8?q?J=C3=BCrg=20Billeter?= Subject: [PATCH] ARM: kernel: respect device tree status of cpu nodes Date: Mon, 24 Feb 2014 12:22:40 +0100 Message-Id: <1393240960-31846-1-git-send-email-j@bitron.ch> X-Mailer: git-send-email 1.9.0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - cpanel09.rubas.ch X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - bitron.ch X-Get-Message-Sender-Via: cpanel09.rubas.ch: authenticated_id: juerg@bitron.ch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Skip 'disabled' cpu nodes when building the cpu logical map. This avoids booting cpus that have been disabled in the device tree. Signed-off-by: Jürg Billeter Reviewed-by: Ben Dooks --- arch/arm/kernel/devtree.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/kernel/devtree.c b/arch/arm/kernel/devtree.c index 739c3df..9aed299 100644 --- a/arch/arm/kernel/devtree.c +++ b/arch/arm/kernel/devtree.c @@ -95,6 +95,10 @@ void __init arm_dt_init_cpu_maps(void) if (of_node_cmp(cpu->type, "cpu")) continue; + /* Check if CPU is enabled */ + if (!of_device_is_available(cpu)) + continue; + pr_debug(" * %s...\n", cpu->full_name); /* * A device tree containing CPU nodes with missing "reg" -- 1.9.0