From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 459D4C33CA2 for ; Thu, 9 Jan 2020 12:34:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1B4192082E for ; Thu, 9 Jan 2020 12:34:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730977AbgAIMe2 (ORCPT ); Thu, 9 Jan 2020 07:34:28 -0500 Received: from mx2.suse.de ([195.135.220.15]:38036 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730978AbgAIMeM (ORCPT ); Thu, 9 Jan 2020 07:34:12 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 859D9B2216; Thu, 9 Jan 2020 12:34:07 +0000 (UTC) From: Thomas Bogendoerfer To: Paul Burton Cc: Ralf Baechle , James Hogan , linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 14/14] MIPS: SGI-IP27: No need for slice_map Date: Thu, 9 Jan 2020 13:33:51 +0100 Message-Id: <20200109123353.5656-15-tbogendoerfer@suse.de> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200109123353.5656-1-tbogendoerfer@suse.de> References: <20200109123353.5656-1-tbogendoerfer@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org per_cpu_init is called exactly once for every CPU. So there is no need for protection via slice_map. Signed-off-by: Thomas Bogendoerfer --- arch/mips/include/asm/mach-ip27/mmzone.h | 1 - arch/mips/sgi-ip27/ip27-init.c | 5 ----- 2 files changed, 6 deletions(-) diff --git a/arch/mips/include/asm/mach-ip27/mmzone.h b/arch/mips/include/asm/mach-ip27/mmzone.h index 534a50f79147..08c36e50a860 100644 --- a/arch/mips/include/asm/mach-ip27/mmzone.h +++ b/arch/mips/include/asm/mach-ip27/mmzone.h @@ -13,7 +13,6 @@ struct hub_data { kern_vars_t kern_vars; DECLARE_BITMAP(h_bigwin_used, HUB_NUM_BIG_WINDOW); cpumask_t h_cpus; - unsigned long slice_map; }; struct node_data { diff --git a/arch/mips/sgi-ip27/ip27-init.c b/arch/mips/sgi-ip27/ip27-init.c index 84a78bd1386a..32bcb8d1dd88 100644 --- a/arch/mips/sgi-ip27/ip27-init.c +++ b/arch/mips/sgi-ip27/ip27-init.c @@ -72,12 +72,7 @@ static void per_hub_init(nasid_t nasid) void per_cpu_init(void) { int cpu = smp_processor_id(); - int slice = LOCAL_HUB_L(PI_CPU_NUM); nasid_t nasid = get_nasid(); - struct hub_data *hub = hub_data(nasid); - - if (test_and_set_bit(slice, &hub->slice_map)) - return; clear_c0_status(ST0_IM); -- 2.24.1