From patchwork Wed May 25 02:10:11 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Chen X-Patchwork-Id: 9134587 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 309CE60221 for ; Wed, 25 May 2016 02:12:14 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2453B280A3 for ; Wed, 25 May 2016 02:12:14 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 194F0281F9; Wed, 25 May 2016 02:12:14 +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=-4.1 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 9CAD1280A3 for ; Wed, 25 May 2016 02:12:13 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1b5OH6-0001p4-KA; Wed, 25 May 2016 02:10:20 +0000 Received: from mail6.bemta6.messagelabs.com ([85.158.143.247]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1b5OH4-0001og-Nz for xen-devel@lists.xen.org; Wed, 25 May 2016 02:10:18 +0000 Received: from [85.158.143.35] by server-3.bemta-6.messagelabs.com id FB/6A-01439-A8905475; Wed, 25 May 2016 02:10:18 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprDIsWRWlGSWpSXmKPExsVyMfTAWt1OTtd wg32r1C2WfFzM4sDocXT3b6YAxijWzLyk/IoE1ox3J56yFxxkq1jw7BFbA+NNli5GLg4hgcmM Er3vdrGBOCwC7cwSfz+/Z+pi5OSQEHjHInH4YCCEHSPx7/YGVgi7XGLryxtADRxA3UoSHRMqQ MJCAj8ZJSav1QWx2QRUJL6/6YcqN5M4f3Im2EgRAWmJa58vM4LYzAKZEje+TGQHsYUFgiQOLZ jGDjKSRUBVYt+XOJAwr4CjxMZrbcwQY+QkTh6bzDqBkX8BI8MqRvXi1KKy1CJdQ72kosz0jJL cxMwcXUMDM73c1OLixPTUnMSkYr3k/NxNjMDQYQCCHYw7nzsdYpTkYFIS5T34xCVciC8pP6Uy I7E4I76oNCe1+BCjDAeHkgTvGQ7XcCHBotT01Iq0zBxgEMOkJTh4lER4z4KkeYsLEnOLM9MhU qcYLTm2/L62loljwY/bQHLb1HtrmYRY8vLzUqXEee+DNAiANGSU5sGNg0XaJUZZKWFeRqADhX gKUotyM0tQ5V8xinMwKgnzxoBM4cnMK4Hb+groICagg/y/OIMcVJKIkJJqYJzI/nWJ/GmBOct 15uzpuv/olIZF36SW+u/PVbsyHQ+/5ThyhPXmV/Nnc9Y+cv1gl6N/VEybc6dIyTun7SWuSnPk z73SeiTyIfB6T8nMw0c2+j0ouvpg/dfllz6uNo6wCGx4fXtjVwfzwkCTHosCq7Zr3Sm8LAvXv wypXHBvyTW+KUnzBB43C+1WYinOSDTUYi4qTgQA2gbU3q8CAAA= X-Env-Sender: wei.chen@linaro.org X-Msg-Ref: server-9.tower-21.messagelabs.com!1464142216!15705341!1 X-Originating-IP: [209.85.192.173] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 8.34; banners=-,-,- X-VirusChecked: Checked Received: (qmail 25702 invoked from network); 25 May 2016 02:10:17 -0000 Received: from mail-pf0-f173.google.com (HELO mail-pf0-f173.google.com) (209.85.192.173) by server-9.tower-21.messagelabs.com with AES128-GCM-SHA256 encrypted SMTP; 25 May 2016 02:10:17 -0000 Received: by mail-pf0-f173.google.com with SMTP id b124so12938850pfb.0 for ; Tue, 24 May 2016 19:10:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id; bh=l9avfCZGxF6axfSTGRWpa8foWDMBWUsaKevSpBjMqO8=; b=f53bQP3FoNIkxTF4WYs3Y4cusTz98SIYR9oSEpFjYoGaUpLUpUonNWVmSvS2P9m6lc 3WTZFFqw8/94MduQqCWgOFvHRK2xny6ryB7WDAW3N7R9kIuhUOKi/FVXNhjOaZN9YHm8 4qQvnz76RkkjSAbUXnEBk0wR1I587g/VttdMA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=l9avfCZGxF6axfSTGRWpa8foWDMBWUsaKevSpBjMqO8=; b=gDwrBkG8jR8AqpOd5aaJ3xTsAwIl8Bk4f+l3/wYysgRq83jBM57v5oCS4ZHJsOZBr7 BF5t4J/zvoxwIigDU1wzJo41tD4D5w6Mb11+SS+V4TfuHnYinnomeBbWwXImS4LiqV3w JneLaKQbVauBi9mtNAhEpUWlp3hY9EU3nyx53efUP4uIxkll/VVZZstaR6mtq+DCN/6Z L94KosKNJuGKcg6cePTXyaQNMfJEWG5S1D5rBCjtH4tcSKH3qWp+pHkmEhlwZLS97uVW o+Plw9CF7jwqKYGfLvVbN6jo7bEAN6Wvb/44s5K/31AIUz2Lrg+CVgnW3Ffafa5ScMoI Fc2g== X-Gm-Message-State: ALyK8tIvh1vOkynSSDWgnjWWUHaxUPeKFxoPnyj2W3qn5xOPfPXLm01P4eyZseqVkF8XGHqz X-Received: by 10.98.93.93 with SMTP id r90mr1978388pfb.65.1464142215887; Tue, 24 May 2016 19:10:15 -0700 (PDT) Received: from localhost.members.linode.com ([2400:8900::f03c:91ff:fe56:1324]) by smtp.gmail.com with ESMTPSA id 17sm21352900pfj.96.2016.05.24.19.10.14 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 24 May 2016 19:10:15 -0700 (PDT) From: Wei Chen X-Google-Original-From: Wei Chen To: xen-devel@lists.xen.org Date: Wed, 25 May 2016 10:10:11 +0800 Message-Id: <1464142211-343-1-git-send-email-Wei.Chen@linaro.org> X-Mailer: git-send-email 1.9.1 Cc: julien.grall@arm.com, sstabellini@kernel.org, Wei Chen , steve.capper@arm.com Subject: [Xen-devel] [PATCH 4/4] xen/arm: arm64: Remove MPIDR multiprocessing extensions check X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" X-Virus-Scanned: ClamAV using ClamSMTP In ARM64, the MPIDR multiprocessing extensions bit is reserved to 1. So, the value check for this bit is no longer necessary on ARM64. Signed-off-by: Wei Chen --- xen/arch/arm/arm64/head.S | 1 - 1 file changed, 1 deletion(-) diff --git a/xen/arch/arm/arm64/head.S b/xen/arch/arm/arm64/head.S index 3090beb..91e2817 100644 --- a/xen/arch/arm/arm64/head.S +++ b/xen/arch/arm/arm64/head.S @@ -267,7 +267,6 @@ common_start: * find that multiprocessor extensions are * present and the system is SMP */ mrs x0, mpidr_el1 - tbz x0, _MPIDR_SMP, 1f /* Multiprocessor extension not supported? */ tbnz x0, _MPIDR_UP, 1f /* Uniprocessor system? */ ldr x13, =(~MPIDR_HWID_MASK)