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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 85E8CC2BA4C for ; Wed, 26 Jan 2022 18:57:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244319AbiAZS5S (ORCPT ); Wed, 26 Jan 2022 13:57:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37292 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244315AbiAZS5O (ORCPT ); Wed, 26 Jan 2022 13:57:14 -0500 Received: from mail-pj1-x102a.google.com (mail-pj1-x102a.google.com [IPv6:2607:f8b0:4864:20::102a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 53F30C06173B for ; Wed, 26 Jan 2022 10:57:14 -0800 (PST) Received: by mail-pj1-x102a.google.com with SMTP id nn16-20020a17090b38d000b001b56b2bce31so519449pjb.3 for ; Wed, 26 Jan 2022 10:57:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:from:to:cc:subject:in-reply-to:message-id:references :mime-version; bh=0YXbOqZCsc8uF1b0Zx5GyaapQWG+DhSG9kbL2Nvau8w=; b=Ncar0u/nCD3QOPWjMEpiZC+nS8dL6KPw+LXBV3hT830C2ZuPO31OelF66gzYGeH6Zc np7imoQBUzeHT9/i8BkHDVWTVlV/EYcxhWRCcinjdcCRdR7YiBdRyer3HrKVtbxzvPZH QPIjz+EQlfUPCgKYD5kBrehuqjJ7OE+Mbz7WmGHMdYVj+MMjTJ8buUztU6v5i+WgRAMm s9/m3VIDZAPPZ0xtQlRRhfJZ2epEHxlB9KXJYUosX4LaeW7Adle+mjRc3AhhtcKYIVQx aYwSRnM+aGnObCYe9lPX4h5AXkPOUS2fq04L/HSeKtNcC9ipQboB+H5prEg4v0s2Bo2y cN2w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:in-reply-to:message-id :references:mime-version; bh=0YXbOqZCsc8uF1b0Zx5GyaapQWG+DhSG9kbL2Nvau8w=; b=HO2EeYX5Qyu0Wu0d/ns8G1E6gvM0h3J8/sPaPLkiVf1W0hSuXsxg6NuWoLJbw51AjW jUQMnJOEL9DXKoDxJAfpf2SRZDnuvnAo0jDVG02OEU6jXWabyaTfEHWeZDGXZp9S5/OA fRCw9pWDbrhaEyl5DFga9/P7cT+r5URnWuMtlP3C47f8x+Gm6a0Xd+nfcvIsPgRKVY+3 sHV3vfeprpc4rGoaTkR3sls8AKOj2/LcdHmJxU4HQXnIySzt36vXNQwqAbTnIQYKktaC FfGtojYBnLQTWIKOMLC0tDETTH+8HyVoo2+SFQC/smuGlkxQNlm2F0ZGKVnb/Q80FSj9 wyJA== X-Gm-Message-State: AOAM532TNqqtoab9HwBnM7/nWPGrVbv/57KA4olJXhuMyQ4HOPjB4YB9 6ukYLRbkbxUKXCAv6MrEXjLMuA== X-Google-Smtp-Source: ABdhPJw1ZvbPGuzvUcLhU5wrEXvWSy+j0FWUp5hFY52/DHlJEXTVXCMy/jSjlubXgGGYh8KVBshO5A== X-Received: by 2002:a17:90a:d203:: with SMTP id o3mr10075663pju.122.1643223433598; Wed, 26 Jan 2022 10:57:13 -0800 (PST) Received: from [2620:15c:29:204:925c:a455:6d75:1ac8] ([2620:15c:29:204:925c:a455:6d75:1ac8]) by smtp.gmail.com with ESMTPSA id g1sm2898783pfj.58.2022.01.26.10.57.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Jan 2022 10:57:13 -0800 (PST) Date: Wed, 26 Jan 2022 10:57:12 -0800 (PST) From: David Rientjes To: "Kirill A. Shutemov" cc: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, thomas.lendacky@amd.com, lkp@intel.com, ak@linux.intel.com, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, sathyanarayanan.kuppuswamy@linux.intel.com, tony.luck@intel.com Subject: Re: [PATCH] x86/mm: Fix warning on build with X86_MEM_ENCRYPT=y In-Reply-To: <20220126115919.7691-1-kirill.shutemov@linux.intel.com> Message-ID: References: <202201261113.3P3URW2n-lkp@intel.com> <20220126115919.7691-1-kirill.shutemov@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 26 Jan 2022, Kirill A. Shutemov wrote: > So far, AMD_MEM_ENCRYPT is the only user of X86_MEM_ENCRYPT. TDX will be > the second. It will make mem_encrypt.c build without AMD_MEM_ENCRYPT, > which triggers a warning: > > arch/x86/mm/mem_encrypt.c:69:13: warning: no previous prototype for > function 'mem_encrypt_init' [-Wmissing-prototypes] > > Fix it by moving mem_encrypt_init() declaration outside of #ifdef > CONFIG_AMD_MEM_ENCRYPT. > > Signed-off-by: Kirill A. Shutemov > Fixes: 20f07a044a76 ("x86/sev: Move common memory encryption code to mem_encrypt.c") Acked-by: David Rientjes