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=-20.4 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT,USER_IN_DEF_DKIM_WL 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 11881C61DD8 for ; Mon, 16 Nov 2020 20:44:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C66EF2222E for ; Mon, 16 Nov 2020 20:44:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="VBVxPuFz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387418AbgKPUnb (ORCPT ); Mon, 16 Nov 2020 15:43:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46810 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726200AbgKPUna (ORCPT ); Mon, 16 Nov 2020 15:43:30 -0500 Received: from mail-wr1-x444.google.com (mail-wr1-x444.google.com [IPv6:2a00:1450:4864:20::444]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A7069C0613CF for ; Mon, 16 Nov 2020 12:43:30 -0800 (PST) Received: by mail-wr1-x444.google.com with SMTP id s8so20251655wrw.10 for ; Mon, 16 Nov 2020 12:43:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=i1OvP2q61CHl1qszot5RZrAZIRY6eLpATjvcLw+mVNU=; b=VBVxPuFz0v1VTxIhWc+Lrxy25SeJfCOpJAG27XQAFG1IjlE2oXtGlzk3400Z+kESsc 6V/4SHdSfdtr5e6x8XvFe0sKbm3FkQOw0FUMSTcQhpXIp23sO5VzwOQrvHR/FjNr+e+8 q5UKiuLIqgP1GIvawt3LAxo1d314xttGEOemqAuZMnRmQ/mAjvi//QdMK5UQqUAoppoG GWMpUTAcZJlaL5EgsnZm2+vljkdDsttYq7vJ5k23DOVdeVbCzxHVWWYd4kItMa1gFkI4 pomXJMJSspC0SOuZwKwAkSVw+xfZQALrUWVWGtsi8G9v4nuZyZxlLczAM4n2uo0dg8mX Av0Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=i1OvP2q61CHl1qszot5RZrAZIRY6eLpATjvcLw+mVNU=; b=fXYmqYQ4hvaItNVNpYBWaeaPSn0kY2+eFew8M/7Hcs1L2s6LmaYh/jKiTL4+nqdliO QDlEwKC4X33qfPCd6K1qF66zDgOWpG7OrvRY2YEO84MaVTiQsYH+BRuIJK6LuWGu+z63 LrOgh3+nSUrxp6cUcthvb5/KMG/tQ3ZOKwOIztwKg+Q1//S+hT8kKoXSEJ4oftrqC2y7 tqIUAlu2u2ZHd4UJL3OFOao+Ackluduxhv54imeHgxpkN36fgyZbimnKRaNOgd99/J1z KfYn6bk8d37FjxST0uHngSEvZvEy/cUNai+DpHpVgvNzsMhBCBaRBdLjeTl+xItuus0c V81Q== X-Gm-Message-State: AOAM5314wqB0MRVXtAthw5PHg/XZBc9wFILM68rIDA5OWEaSNAWu/x7G ZV6PAm6GU86KNEbaAyu3eJQp+Q== X-Google-Smtp-Source: ABdhPJwo5wX54x3EI1cjb6V0hNUDo7O9qMuKIAu7Wtf6d+0psErzZX0pP09b5KCMiJdBDam8PwHRaA== X-Received: by 2002:adf:f5c8:: with SMTP id k8mr22225271wrp.2.1605559409325; Mon, 16 Nov 2020 12:43:29 -0800 (PST) Received: from localhost ([2a01:4b00:8523:2d03:bc40:bd71:373a:1b33]) by smtp.gmail.com with ESMTPSA id z3sm23263951wrw.87.2020.11.16.12.43.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 16 Nov 2020 12:43:28 -0800 (PST) From: David Brazdil To: kvmarm@lists.cs.columbia.edu Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Marc Zyngier , James Morse , Julien Thierry , Suzuki K Poulose , Catalin Marinas , Will Deacon , Dennis Zhou , Tejun Heo , Christoph Lameter , Mark Rutland , Lorenzo Pieralisi , Quentin Perret , Andrew Scull , Andrew Walbran , kernel-team@android.com, David Brazdil Subject: [PATCH v2 03/24] arm64: Make cpu_logical_map() take unsigned int Date: Mon, 16 Nov 2020 20:42:57 +0000 Message-Id: <20201116204318.63987-4-dbrazdil@google.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201116204318.63987-1-dbrazdil@google.com> References: <20201116204318.63987-1-dbrazdil@google.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org CPU index should never be negative. Change the signature of (set_)cpu_logical_map to take an unsigned int. Signed-off-by: David Brazdil --- arch/arm64/include/asm/smp.h | 4 ++-- arch/arm64/kernel/setup.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm64/include/asm/smp.h b/arch/arm64/include/asm/smp.h index 2e7f529ec5a6..bcb01ca15325 100644 --- a/arch/arm64/include/asm/smp.h +++ b/arch/arm64/include/asm/smp.h @@ -46,9 +46,9 @@ DECLARE_PER_CPU_READ_MOSTLY(int, cpu_number); * Logical CPU mapping. */ extern u64 __cpu_logical_map[NR_CPUS]; -extern u64 cpu_logical_map(int cpu); +extern u64 cpu_logical_map(unsigned int cpu); -static inline void set_cpu_logical_map(int cpu, u64 hwid) +static inline void set_cpu_logical_map(unsigned int cpu, u64 hwid) { __cpu_logical_map[cpu] = hwid; } diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index 133257ffd859..2f2973bc67c7 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -276,7 +276,7 @@ arch_initcall(reserve_memblock_reserved_regions); u64 __cpu_logical_map[NR_CPUS] = { [0 ... NR_CPUS-1] = INVALID_HWID }; -u64 cpu_logical_map(int cpu) +u64 cpu_logical_map(unsigned int cpu) { return __cpu_logical_map[cpu]; } -- 2.29.2.299.gdc1121823c-goog