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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT 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 C2D97ECDE46 for ; Thu, 25 Oct 2018 10:33:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 92DD72075D for ; Thu, 25 Oct 2018 10:33:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 92DD72075D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=alien8.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727372AbeJYTFm (ORCPT ); Thu, 25 Oct 2018 15:05:42 -0400 Received: from mail.skyhub.de ([5.9.137.197]:53902 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726852AbeJYTFm (ORCPT ); Thu, 25 Oct 2018 15:05:42 -0400 X-Virus-Scanned: Nedap ESD1 at mail.skyhub.de Received: from mail.skyhub.de ([127.0.0.1]) by localhost (blast.alien8.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 8d9ZqfS9YJb6; Thu, 25 Oct 2018 12:33:32 +0200 (CEST) Received: from nazgul.tnic (unknown [167.98.65.38]) (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 491421EC0921; Thu, 25 Oct 2018 12:33:32 +0200 (CEST) Date: Thu, 25 Oct 2018 12:33:45 +0200 From: Borislav Petkov To: Masayoshi Mizuma Cc: Baoquan He , Ingo Molnar , Thomas Gleixner , Chao Fan , linux-kernel@vger.kernel.org, x86@kernel.org, linux-efi@vger.kernel.org, linux-acpi@vger.kernel.org, mingo@redhat.com, hpa@zytor.com, keescook@chromium.org, rjw@rjwysocki.net, lenb@kernel.org, ard.biesheuvel@linaro.org, indou.takao@jp.fujitsu.com, caoj.fnst@cn.fujitsu.com Subject: Re: [PATCH v8 0/3] x86/boot/KASLR: Parse ACPI table and limit kaslr in immovable memory Message-ID: <20181025103345.GF14020@nazgul.tnic> References: <20181013201958.zfzv5ahhe3xz7bwi@gabell> <20181013203429.GE31650@zn.tnic> <20181013214550.ag5qzokhkrkwnzsy@gabell> <20181013220541.GI31650@zn.tnic> <20181015005035.z3xym6nx43hogdge@gabell> <20181016151353.punyk7exekut2543@gabell> <20181016191113.GI5212@zn.tnic> <20181016195429.tovdgqq77gz3eek2@gabell> <20181016195902.GK5212@zn.tnic> <20181022154204.kagmdb55jtoez4ca@gabell> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20181022154204.kagmdb55jtoez4ca@gabell> User-Agent: Mutt/1.6.0 (2016-04-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 22, 2018 at 11:42:05AM -0400, Masayoshi Mizuma wrote: > I'm trying to store the SRAT info and pass it to kernel_randomize_memory(), > looks like add_e820ext()/parse_setup_data(). > > Is the approach useful only EFI environment? I'm not sure how I Does it matter for non-EFI even? I mean, you want this code only for your use case - when you have movable memory and you're doing kexec, yes? And those machines are all EFI boxes I'd assume... -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply. --