From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42270) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gXSe5-0002o9-RY for qemu-devel@nongnu.org; Thu, 13 Dec 2018 10:11:27 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gXSe4-0005Q2-LD for qemu-devel@nongnu.org; Thu, 13 Dec 2018 10:11:25 -0500 Received: from mail-oi1-x233.google.com ([2607:f8b0:4864:20::233]:46843) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gXSe4-0005AB-6u for qemu-devel@nongnu.org; Thu, 13 Dec 2018 10:11:24 -0500 Received: by mail-oi1-x233.google.com with SMTP id x202so1848914oif.13 for ; Thu, 13 Dec 2018 07:11:17 -0800 (PST) MIME-Version: 1.0 References: <1544708743.4811.30.camel@rwth-aachen.de> <1544713257.4811.32.camel@rwth-aachen.de> In-Reply-To: <1544713257.4811.32.camel@rwth-aachen.de> From: Peter Maydell Date: Thu, 13 Dec 2018 15:11:05 +0000 Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] [Qemu-arm] Warning when DTB memory nodes are noped List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: lukas.juenger@rwth-aachen.de Cc: Eric Auger , qemu-arm , QEMU Developers On Thu, 13 Dec 2018 at 15:00, J=C3=BCnger, Lukas wrote: > > On Thu, 2018-12-13 at 14:49 +0000, Peter Maydell wrote: > > Was the deletion of the memory node actually wrong in your case? > > If so we should look at fixing the wrong behaviour, rather than > > just being noisier about what we're doing... > I see. In my case I wanted to specify the memory using the DTB that I > passed using the -dtb option. I had two memory ranges in the dtb and > they didn't show up in the kernel later on because they were noped by > QEMU. I found it confusing that QEMU makes changes to the DTB that I > passed via -dtb. Yeah, we don't edit the DTB much but we do fix it up to indicate the memory, number of CPUs, kernel command line, etc passed on the QEMU command line. thanks -- PMM