Received: by 2002:a25:ab43:0:0:0:0:0 with SMTP id u61csp3551235ybi; Tue, 18 Jun 2019 02:39:25 -0700 (PDT) X-Google-Smtp-Source: APXvYqypy5aTcg+wzSPN1AvEpJDmsmzxPTwgR+xOWRXtYez1ZYBmTNPLZ2iBq18QjkMIiKkW5XQI X-Received: by 2002:a17:90a:3225:: with SMTP id k34mr4044726pjb.31.1560850765526; Tue, 18 Jun 2019 02:39:25 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1560850765; cv=none; d=google.com; s=arc-20160816; b=Afzk09XS5Vtv6tLWRP7ToCxCJR90ALE+niccTuLSjXYjQOte1jtcGsaMYdouM1nVHK ONvqUQz7CaFjb05WnOHbp/efjCmvaoD81SA5wUe/nisxiiWNWhLst7CnGUS73bMeEsEV WmmpeeFlswUgbekNER4cRfLv/A/FCsM1jcnZEnPNL+qNdvWvixJ7pzwoViYYmoh/Rlyu /sdOKAVtibQdxNx54OC3uklTWIRxSgZULTcPcJBqUiJtSOTEDrpoVfkPve6SCzOjY52A Ag9tBWiVqFOg4GoslHeK8MeolC1tzorGETCB1FbcTFb8CeCUIw3p/BSiKfD01iuLd+GG 4/yg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=KR5XOgtOR1Y9OY2GsmPtNNKKqA765DvHq6Cuv1heUKI=; b=uxl7I2waw/EM38ccS9vBlX4zddcs/8Vp0ykyWPMx+euqPHZuEYmHkP4kjVsjBptCiK 75cp2Q0mPxypJGyg+U+E3DvYuv8cqBW66KMTtmu6/7Ld9ZW9TnhiKLe3JVrfIZn9bIk7 q38LDZjRzT1ussE1rP2xH/PuKERfXlxROoXER3DHinF9QA+3BX70DFAMvSx2kIOf+Sju 3Dm8MoA+XN+K3gsUkULUonEALM8SWW7zGpREP5rjgvHmfWw8ypQNCDkzsjtXsDWBy9Mg TSY9epJv3NzumLAyzY98z31JBDeZtp0JYa1564URkg6vy9jW4713/NbWjceKBoNZbGrk dSAg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@alien8.de header.s=dkim header.b=IBtIjL4U; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alien8.de Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id u11si12045313plz.219.2019.06.18.02.39.09; Tue, 18 Jun 2019 02:39:25 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@alien8.de header.s=dkim header.b=IBtIjL4U; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alien8.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729476AbfFRJhk (ORCPT + 99 others); Tue, 18 Jun 2019 05:37:40 -0400 Received: from mail.skyhub.de ([5.9.137.197]:37238 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729263AbfFRJhj (ORCPT ); Tue, 18 Jun 2019 05:37:39 -0400 Received: from zn.tnic (p200300EC2F07D6004142CF2FAC564D4B.dip0.t-ipconnect.de [IPv6:2003:ec:2f07:d600:4142:cf2f:ac56:4d4b]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 8C39E1EC0249; Tue, 18 Jun 2019 11:37:38 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1560850658; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=KR5XOgtOR1Y9OY2GsmPtNNKKqA765DvHq6Cuv1heUKI=; b=IBtIjL4UroCJLdiy8aNoxV39Vr7ZRkpkZfMr84zCuFNj1r8iG362RypuUNNwmRON7lv4iI S8EDTEdbTQTTsoN0PnizPRPyQ2D6J/pCGsg6/dfU1T9untAbT325t3Y7VMwo0FfZRuwdWL 46ZfbyE0QAtIsu7CM+2ThTu6xWdXnII= Date: Tue, 18 Jun 2019 11:37:30 +0200 From: Borislav Petkov To: "Lendacky, Thomas" Cc: "linux-kernel@vger.kernel.org" , "x86@kernel.org" , Thomas Gleixner , Ingo Molnar , Dave Hansen , Andy Lutomirski , Peter Zijlstra , Baoquan He , Lianbo Jiang Subject: Re: [PATCH v2 1/2] x86/mm: Identify the end of the kernel area to be reserved Message-ID: <20190618093730.GA5629@zn.tnic> References: <284d3650e2dae50d5645310a8b49664398fe5223.1560546537.git.thomas.lendacky@amd.com> <20190617104740.GG27127@zn.tnic> <7a35c79d-370e-5595-234e-0aafc527331b@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <7a35c79d-370e-5595-234e-0aafc527331b@amd.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 18, 2019 at 01:43:00AM +0000, Lendacky, Thomas wrote: > Yes and no... it doesn't say how it is done, namely through the use of > memblock_reserve() calls and when and where those occur. Ah ok, so you found that out and documented it now. Good. :-) -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.