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=-9.9 required=3.0 tests=DKIMWL_WL_HIGH,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 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 0EF94C2D0DB for ; Fri, 24 Jan 2020 15:51:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D607C20709 for ; Fri, 24 Jan 2020 15:51:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="RB7yDVdj" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389292AbgAXPvf (ORCPT ); Fri, 24 Jan 2020 10:51:35 -0500 Received: from us-smtp-1.mimecast.com ([207.211.31.81]:30904 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2387665AbgAXPvf (ORCPT ); Fri, 24 Jan 2020 10:51:35 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1579881094; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=4DKa2RCme1P41CH+DPjy2k3enALw+kJPL2/93xPmuuw=; b=RB7yDVdjSvbu/Nn+KekH3ia9ZVijhydb0W+qfJH1dpg27yQMmeDTtbgOXTsCRJNcbXSyCw yLvWmYA/HK9Hv9sY1no521bJu1EXzvW2EUHMMvvZAkb7QGXlcwVF6/cdMu/UsjmhuAhETa 5UV+rq4O3XpDku0uYyI+OjpmiCnQxLw= Received: from mail-wm1-f72.google.com (mail-wm1-f72.google.com [209.85.128.72]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-237-GvDgaOuUP0-dJ7frTSNFeQ-1; Fri, 24 Jan 2020 10:51:32 -0500 X-MC-Unique: GvDgaOuUP0-dJ7frTSNFeQ-1 Received: by mail-wm1-f72.google.com with SMTP id u203so769698wme.9 for ; Fri, 24 Jan 2020 07:51:31 -0800 (PST) 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:mime-version :content-transfer-encoding; bh=4DKa2RCme1P41CH+DPjy2k3enALw+kJPL2/93xPmuuw=; b=QziINwDWOjaANaZTulDHD4Ua9sUyvlvdQiMYkoxrREDveMGEHt3iOZIimpETDsb+86 Msean9mDC4EdUymz0q7aN4FS/knPrBmDYeVpTLzn4sy79f2g+XJtryuNRC14TANbG/9O qORVGgvvLJvwTMQM2lee+O+0gkpMSP/N5IT/6oCEZSwLPMgZoblODo0ZDXvxl0VpQFCa 8YiPQhTzgPolrvE7w/No/aJ/8+9HZySxMyIuhVwlBc/oHHk4MC6/G3hfj31BBHqj5epT BSS/4mZJRyZgoBVL1ue1Pgw83zz2RHRz9Nu4R/N68/2oN1ldMMj9t++twoZ9S7zk+iba oOSg== X-Gm-Message-State: APjAAAVql5dme2DzjWIQj6eIFW0vTn9ZeCOvRyQo/KD6p9NNtzo0KUUB 7Mxm33P9y/VhciVCx65OlF7c4jQavqNheVxKew5LktoOP0NbNvAJj1sn/oSu7/lfvV2HSKLnMMU 0mSYWhGQYlRF+8TbcFrjDFkjH X-Received: by 2002:a5d:4983:: with SMTP id r3mr4730741wrq.134.1579881090184; Fri, 24 Jan 2020 07:51:30 -0800 (PST) X-Google-Smtp-Source: APXvYqxEpH2fUn1KY2XXa2vIqzGr5XJb+gapkXkgKKAD/xDUf7n3F9nAgqP4XiRNnOLvkBYcMZ8ZKQ== X-Received: by 2002:a5d:4983:: with SMTP id r3mr4730722wrq.134.1579881089861; Fri, 24 Jan 2020 07:51:29 -0800 (PST) Received: from mcroce-redhat.vutbr.cz ([147.229.117.36]) by smtp.gmail.com with ESMTPSA id o4sm7793147wrw.97.2020.01.24.07.51.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Jan 2020 07:51:29 -0800 (PST) From: Matteo Croce To: linux-arm-kernel@lists.infradead.org Cc: Catalin Marinas , Will Deacon , Julien Thierry , linux-kernel@vger.kernel.org Subject: [PATCH] arm64: use shared sysctl constants Date: Fri, 24 Jan 2020 16:51:27 +0100 Message-Id: <20200124155127.6645-1-mcroce@redhat.com> X-Mailer: git-send-email 2.24.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use shared sysctl variables for zero and one constants, as in commit eec4844fae7c ("proc/sysctl: add shared variables for range check") Fixes: 63f0c6037965 ("arm64: Introduce prctl() options to control the tagged user addresses ABI") Signed-off-by: Matteo Croce --- arch/arm64/kernel/process.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c index d54586d5b031..1398d78891b7 100644 --- a/arch/arm64/kernel/process.c +++ b/arch/arm64/kernel/process.c @@ -608,8 +608,6 @@ long get_tagged_addr_ctrl(void) * only prevents the tagged address ABI enabling via prctl() and does not * disable it for tasks that already opted in to the relaxed ABI. */ -static int zero; -static int one = 1; static struct ctl_table tagged_addr_sysctl_table[] = { { @@ -618,8 +616,8 @@ static struct ctl_table tagged_addr_sysctl_table[] = { .data = &tagged_addr_disabled, .maxlen = sizeof(int), .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - .extra2 = &one, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, }, { } }; -- 2.24.1