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Re: [Qemu-devel] [PATCH v12 3/4] hw/arm/virt: add dynamic sysbus device


From: Peter Maydell
Subject: Re: [Qemu-devel] [PATCH v12 3/4] hw/arm/virt: add dynamic sysbus device support
Date: Mon, 27 Apr 2015 18:10:23 +0100

On 27 April 2015 at 18:04, Alexander Graf <address@hidden> wrote:
> On 04/27/2015 06:58 PM, Christopher Covington wrote:
>> I'm not sure I have an opinion one way or the other, but I would like to
>> understand the "big waste" argument. Is there something that users are
>> eager
>> to reuse this address space for, like more RAM?
>
>
> It will get used for platform device assignment. If we only reserve 32MB we
> will quickly run out of address space to map devices into.

Personally I am hoping that platform device assignment will
also turn out to be mostly for legacy reasons and anybody
wanting to do serious device passthrough will be doing it with
PCI...

-- PMM



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