Received: by 2002:a05:6a10:9848:0:0:0:0 with SMTP id x8csp1336607pxf; Fri, 12 Mar 2021 07:23:54 -0800 (PST) X-Google-Smtp-Source: ABdhPJwc6GkmAzEqiU6wIO1o42gfGgO+FCIWgOTD0uVhR4rH+Iy6TFdl3ti1jzdvU3+lVlNEYDC2 X-Received: by 2002:a17:906:18aa:: with SMTP id c10mr9069567ejf.248.1615562634230; Fri, 12 Mar 2021 07:23:54 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1615562634; cv=none; d=google.com; s=arc-20160816; b=bBBlouvoIIj2FxMBZ6rYlvz4IWh/0VjQru6uWDXTHBRw7jMkUfkZSrSH9AE+HVGTrj HjPBIrMDk+UPfZXYohQFyDAy2RF+cMu/IeVnCR1H0A3PbCEhzx4erHIMOCY4DYInUAmS cxFU5YpWp/BwAP5QYpHcFYSV6hDEWRi9nu5SyM4JcdyenBcBfJAEK6WRRfw61TWRf4JK VOP87iKLvoI1WZGjmkPWvOBK3f2zZ6sdlof4BaKtE4gU+5kpmNwTrdNESjClvIWbfP8p BQPEsoRKEZXkxtIGQM9vskv66bUPV19pxwZpzXuFy5RbGvipshycDOJ7Im19feiMmS8M uKGg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=xznHsfc9N0jr7+FpzJnJoYMF7GISy/pxiL5hB0c+Yoc=; b=t4bxvcNJffsKQw3HSqK0lGXqFxgSfwzPTDtsNpDnaU5FoUJQqizcor5hkPexe/buYS Bag9B8i5Ds56tQisEdPs3oxXkwkJWWIEVABLw4KObuzTT1BrIFOXSUB0WsCZMKH3i9pP s83oeSQ5dc2G8sNsh5ciputwrZ9WjIoxOcRM3AqdI6UMxiX1OifRH1Gi3XEGZUCEj33O yz1JXUG6/NKX/JhJ8KnFHC1kYj0/zsLpbWvRNxeIs7nYBJWZagK8GeLW1krqnsix/FFi dS7ai8I1T8u3ffTAP0tfb+gF9IysC0AZm5GWVwpOgEKRV6axre7dXwXs/SLpFkK1ejvA c/cg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id hs2si4395996ejc.566.2021.03.12.07.23.26; Fri, 12 Mar 2021 07:23:54 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232246AbhCLPUK (ORCPT + 99 others); Fri, 12 Mar 2021 10:20:10 -0500 Received: from elvis.franken.de ([193.175.24.41]:53102 "EHLO elvis.franken.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232035AbhCLPTr (ORCPT ); Fri, 12 Mar 2021 10:19:47 -0500 Received: from uucp (helo=alpha) by elvis.franken.de with local-bsmtp (Exim 3.36 #1) id 1lKjZo-0002cX-00; Fri, 12 Mar 2021 16:19:44 +0100 Received: by alpha.franken.de (Postfix, from userid 1000) id 98FE4C2118; Fri, 12 Mar 2021 16:19:34 +0100 (CET) Date: Fri, 12 Mar 2021 16:19:34 +0100 From: Thomas Bogendoerfer To: Ilya Lipnitskiy Cc: Tiezhu Yang , Jinyang He , Mike Rapoport , Youling Tang , Tobias Wolf , Marcin Nowakowski , linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH] MIPS: fix memory reservation for non-usermem setups Message-ID: <20210312151934.GA4209@alpha.franken.de> References: <20210307194030.8007-1-ilya.lipnitskiy@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210307194030.8007-1-ilya.lipnitskiy@gmail.com> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Mar 07, 2021 at 11:40:30AM -0800, Ilya Lipnitskiy wrote: > From: Tobias Wolf > > Commit 67a3ba25aa95 ("MIPS: Fix incorrect mem=X@Y handling") introduced a new > issue for rt288x where "PHYS_OFFSET" is 0x0 but the calculated "ramstart" is > not. As the prerequisite of custom memory map has been removed, this results > in the full memory range of 0x0 - 0x8000000 to be marked as reserved for this > platform. and where is the problem here ? Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]