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 78890C43334 for ; Tue, 19 Jul 2022 00:32:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235838AbiGSAcA (ORCPT ); Mon, 18 Jul 2022 20:32:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38062 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230104AbiGSAb5 (ORCPT ); Mon, 18 Jul 2022 20:31:57 -0400 Received: from mail-yb1-xb30.google.com (mail-yb1-xb30.google.com [IPv6:2607:f8b0:4864:20::b30]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 68BF81FCF9 for ; Mon, 18 Jul 2022 17:31:56 -0700 (PDT) Received: by mail-yb1-xb30.google.com with SMTP id j67so1292516ybb.3 for ; Mon, 18 Jul 2022 17:31:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=2lsamAysK+D7t3yFkcKTH1MEIBtg3Azfl3puoX8VWXY=; b=N1Wbe909IAYh0k1c0q3IBpwrF0vkTzYBojcD7NeJU3RTBP0OrIsiUGrpT4h6qpZf3V QDNioz9XC8Lw6egH20udd0+qOkhomryPva44T+r4z2lA6qfIU4I5Mg8K+C4gXTGyqnI8 PaJkgvRSpy7dY3eV9EsscgTCZSVRB9yK9+KDqyVBzAHl7MO+vOkp8oYMiCZG5jeOqATi ItXnvm4JA9a8YY6Rz+vn/NRS5OFaBHdLX2V7ycQLodgUMBJiv64oguOV0wW5asLGQpsa hNL7a8Sz/P584O+kqiTPBOOiNjbUc3zZVYochBrQFUpXJzYhScAP2rwRC4JBqRIxix4f 0PaA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=2lsamAysK+D7t3yFkcKTH1MEIBtg3Azfl3puoX8VWXY=; b=3pT+jXbMvqrHWcal+C/yykgaDWCpyxiH2nMatJ0bC783588ESKFyjuJ5XndpvaFvgk tZ4KE0XbNXnD9FsRPhE6WM2DUUMlwqUoX8xt5aD/+mAaYrxDwsvRlelaPhLTVsIzk3Oi NGc/bx8PsqUOXXsev986mo+Suyo54pfQPZVp+jYNdmxvSvx1ZgH4O5zIaPOwNSciuQAn JTpot2aL9MHquz2U9JA053h+4VNIcONEcYhiCL5zFIgD/tVgGId7vHoIG7JgBi+9WnHI 8THnek/+49fYSA8+6dHahd2Asp1grF+m1k415CqTkAYd4POK6XWS9o8+FTag5zkbV916 Ii9w== X-Gm-Message-State: AJIora8NO22EBdwq0mWD/P+iChxdvWzOuhp0tFCPEz9BYE/ln01fEaYY j2HACCVuiJOzTi9QfE36CtMxLDSdYLGzDlamu7pzHQ== X-Google-Smtp-Source: AGRyM1u6jw/9GsvIFrdn5mPqwawQg/dodMYn3j8iTaH/WO8OEZs9/9EuC+uiSYhsKacsWERu9bEQQbbDOA9kVERpeSQ= X-Received: by 2002:a25:868b:0:b0:670:830c:15aa with SMTP id z11-20020a25868b000000b00670830c15aamr40509ybk.297.1658190715594; Mon, 18 Jul 2022 17:31:55 -0700 (PDT) MIME-Version: 1.0 References: <20220614120231.48165-1-kirill.shutemov@linux.intel.com> <20220627113019.3q62luiay7izhehr@black.fi.intel.com> <20220627122230.7eetepoufd5w3lxd@black.fi.intel.com> <20220627223808.ihgy3epdx6ofll43@black.fi.intel.com> <20220718172159.4vwjzrfthelovcty@black.fi.intel.com> In-Reply-To: From: Dionna Amalie Glaze Date: Mon, 18 Jul 2022 17:31:44 -0700 Message-ID: Subject: Re: [PATCHv7 00/14] mm, x86/cc: Implement support for unaccepted memory To: "Kirill A. Shutemov" Cc: Ard Biesheuvel , Peter Gonda , Borislav Petkov , Andy Lutomirski , Sean Christopherson , Andrew Morton , Joerg Roedel , Andi Kleen , Kuppuswamy Sathyanarayanan , David Rientjes , Vlastimil Babka , Tom Lendacky , Thomas Gleixner , Peter Zijlstra , Paolo Bonzini , Ingo Molnar , Varad Gautam , Dario Faggioli , Dave Hansen , Mike Rapoport , David Hildenbrand , Marcelo Cerri , tim.gardner@canonical.com, Khalid ElMously , philip.cox@canonical.com, "the arch/x86 maintainers" , Linux Memory Management List , linux-coco@lists.linux.dev, linux-efi , LKML , "Yao, Jiewen" Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > > I think we should make it obvious from a kernel image if it supports > > unaccepted memory (with UTS_VERSION or other way). > > Something I didn't address in my previous email: how would the UEFI know where the kernel is to parse this UTS_VERSION out when it's booting a bootloader before Linux gets booted? -- -Dionna Glaze, PhD (she/her)