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=-3.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 C9322C433E6 for ; Wed, 20 Jan 2021 12:00:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8E08722255 for ; Wed, 20 Jan 2021 12:00:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388340AbhATLoK (ORCPT ); Wed, 20 Jan 2021 06:44:10 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42004 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732958AbhATL1Y (ORCPT ); Wed, 20 Jan 2021 06:27:24 -0500 Received: from mail-lj1-x234.google.com (mail-lj1-x234.google.com [IPv6:2a00:1450:4864:20::234]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E7E8CC061786 for ; Wed, 20 Jan 2021 03:26:42 -0800 (PST) Received: by mail-lj1-x234.google.com with SMTP id i17so499076ljn.1 for ; Wed, 20 Jan 2021 03:26:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=shutemov-name.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=rA6bdLKAlmIoLWUk8dCMAvfvN7Iy5mLs9O7w+8do8z8=; b=hUIiRPlnMeeaTktx9TiA8UFdRaSKm6zh4+y0j9kDeNHP8TdZPrstvxTNIJydx3b3rk laCm9uscm9uZlNF+jgD9LxV234ABWDAqEJwDD3sYViomVYIACHg5ywtJBI2OOLJvja5V 5ZQj1utqaWnS+NOXIbmT0DGsJ7HgKMLkiZlTG9xVwLg6a8dUgChg6WGgTR/sGcPf3cwf Clv4SaBcGsAmSQ9zVOKQY0v5ZMbPeMnTvpzmVAXJAwuEJwGmL+kmqqK7n0ySEuuvvmK6 k7W1CfEpdhfGc8BNtERIX75nlK0Yu/vY54bSxpx7JrQntZIiDyMbNBbsve/ZKNsRxDeh Sx0g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=rA6bdLKAlmIoLWUk8dCMAvfvN7Iy5mLs9O7w+8do8z8=; b=hdkOAmTYIxicjMR7o6HvbUryvLtYHShEc5LVDxLCCdChlg2bkD86f7upF0gFPybuUr Z7OBmZAGy5SCYHzqIuekSk+pXtcD3R9KjIiIdyBs77p3j9748VN16wOckZTLj9Bnro5t bw0KlOoWU3vWdltELlRQGJ6BwNZDWekm528aovFRyptKjzb3+hjus5KmFZMBX9tS2ufI G+x2RgdwmBdxaaoZiSux8Zq4lJBVbS8uwXU9gAcm9P2gyH6SsZH/iYl7Lk1V46yfAdHe G9m+rSDEFIhb0mTcib/ulj3K5GUB/BaLHPPZEWLJFJzT/XoQEUV2nxhKHT++25ynOD6n nQeQ== X-Gm-Message-State: AOAM532gCLS7Cx1s2iipy/kHqNjUJnc1ep6+VQVrxe5dfCVYavGPxAEg 1cvntiRNJwNwCQuUZkApRJm4eQ== X-Google-Smtp-Source: ABdhPJxhSDtqieNXSqt+r98ESGwXZDp29cFZUijUj0JQjcXu+YxvmLdbP1QZ+D1O4a2eK82VnJ/DbA== X-Received: by 2002:a2e:b1d2:: with SMTP id e18mr4163694lja.101.1611142001496; Wed, 20 Jan 2021 03:26:41 -0800 (PST) Received: from box.localdomain ([86.57.175.117]) by smtp.gmail.com with ESMTPSA id 189sm172195lfj.192.2021.01.20.03.26.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Jan 2021 03:26:40 -0800 (PST) Received: by box.localdomain (Postfix, from userid 1000) id 4462C101448; Wed, 20 Jan 2021 14:26:43 +0300 (+03) Date: Wed, 20 Jan 2021 14:26:43 +0300 From: "Kirill A. Shutemov" To: Arvind Sankar Cc: Borislav Petkov , Ard Biesheuvel , Arnd Bergmann , Thomas Gleixner , Ingo Molnar , X86 ML , Nathan Chancellor , Nick Desaulniers , Arnd Bergmann , Darren Hart , Andy Shevchenko , "H. Peter Anvin" , linux-efi , platform-driver-x86@vger.kernel.org, Linux Kernel Mailing List , clang-built-linux , "Kirill A. Shutemov" Subject: Re: [PATCH] x86: efi: avoid BUILD_BUG_ON() for non-constant p4d_index Message-ID: <20210120112643.ozlsru67yuur323i@box> References: <20210107223424.4135538-1-arnd@kernel.org> <20210118202409.GG30090@zn.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jan 18, 2021 at 04:42:20PM -0500, Arvind Sankar wrote: > AFAICT, MODULES_END is only relevant as being something that happens to > be in the top 512GiB, and -1ul would be clearer. I think you are right. But -1UL is not very self-descriptive. :/ -- Kirill A. Shutemov