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Re: [Qemu-devel] [Qemu-arm] Warning when DTB memory nodes are noped

From: Peter Maydell
Subject: Re: [Qemu-devel] [Qemu-arm] Warning when DTB memory nodes are noped
Date: Thu, 13 Dec 2018 15:11:05 +0000

On Thu, 13 Dec 2018 at 15:00, Jünger, Lukas
<address@hidden> 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.

-- PMM

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