Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753041AbdF2NFx (ORCPT ); Thu, 29 Jun 2017 09:05:53 -0400 Received: from zimbra.gr13.net ([46.4.151.110]:65236 "EHLO zimbra.gr13.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751729AbdF2NFs (ORCPT ); Thu, 29 Jun 2017 09:05:48 -0400 Subject: Re: [RFC 0/5] drivers: Add boot constraints core To: Russell King - ARM Linux , Viresh Kumar References: <20170629124908.GV4902@n2100.armlinux.org.uk> Cc: Greg Kroah-Hartman , Rafael Wysocki , Vincent Guittot , Rob Herring , Stephen Boyd , linux-kernel@vger.kernel.org, Mark Brown , rnayak@codeaurora.org, Shiraz Hashim , linux-arm-kernel@lists.infradead.org From: "Enrico Weigelt, metux IT consult" Message-ID: <7ff5fe0b-72fa-7a23-44df-59761cc6dd1c@gr13.net> Date: Thu, 29 Jun 2017 13:05:42 +0000 User-Agent: Mozilla/5.0 (X11; Linux i686 on x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 MIME-Version: 1.0 In-Reply-To: <20170629124908.GV4902@n2100.armlinux.org.uk> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 397 Lines: 11 On 29.06.2017 12:49, Russell King - ARM Linux wrote: > The location of the frame buffer is unknown to the decompressor - and > as the decompressor self-relocates itself (using purely assembly code), > it could relocate itself on top of the frame buffer, causing the "nice" > image to become very colourful. Could the bootloader pass safe (or blocked) memory regions to the decompressor ? --mtx