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Re: [Qemu-devel] [PATCH] arm/virt: Add high MMIO PCI region, 2G in size
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From: |
Paolo Bonzini |
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Subject: |
Re: [Qemu-devel] [PATCH] arm/virt: Add high MMIO PCI region, 2G in size |
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Date: |
Thu, 23 Jul 2015 18:56:33 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.0.1 |
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