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From: Paolo Bonzini <pbonzini@redhat.com>
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Date: Thu, 23 Jul 2015 18:56:33 +0200
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Subject: Re: [Qemu-devel] [PATCH] arm/virt: Add high MMIO PCI region,
	2G in size
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To: Alexander Graf <agraf@suse.de>, Pavel Fedin <p.fedin@samsung.com>, 'QEMU Developers' <qemu-devel@nongnu.org>
Cc: 'Peter Maydell' <peter.maydell@linaro.org>, 'Igor Mammedov' <imammedo@redhat.com>



On 23/07/2015 13:57, Alexander Graf wrote:
>> > @@ -125,6 +125,7 @@ static const MemMapEntry a15memmap[] = {
>> >      [VIRT_PCIE_PIO] =           { 0x3eff0000, 0x00010000 },
>> >      [VIRT_PCIE_ECAM] =          { 0x3f000000, 0x01000000 },
>> >      [VIRT_MEM] =                { 0x40000000, 30ULL * 1024 * 1024 * 1024 },
>> > +    [VIRT_PCIE_MMIO_HIGH] =     {0x800000000, 0x80000000 },
> This limits the amount of RAM to 30GB, no? I'm not sure it's what we
> want in the long run ...

Limiting high MMIO to 2GB is also relatively little.

(What the hell... my first hard drive was 20 MB and it failed more or
less at the same time as we managed to fill it...).

Paolo