[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH 4/5] x86: Allow physical address bits to be set
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH 4/5] x86: Allow physical address bits to be set |
Date: |
Mon, 20 Jun 2016 09:04:09 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.0 |
On 19/06/2016 05:36, Michael S. Tsirkin wrote:
> > Making the guest's phys-bits larger than host-phys-bits would be okay if
> > you reserve the area in the e820 and assume the guest doesn't touch it.
>
> How would it touch it if there's no RAM there?
> PCI BARs is the only thing that comes to mind,
> but we fix that by making a sane _CRS.
Yes, I was thinking of PCI BARs. We're talking about making guest
phys-bits independent from host-phys-bits, so I assume that you also
want _CRS to be independent of host-phys-bits. I assume that _CRS would
be related to guest-phys-bits.
Paolo
> What did I miss?
- Re: [Qemu-devel] [PATCH 4/5] x86: Allow physical address bits to be set, (continued)
- Re: [Qemu-devel] [PATCH 4/5] x86: Allow physical address bits to be set, Dr. David Alan Gilbert, 2016/06/17
- Re: [Qemu-devel] [PATCH 4/5] x86: Allow physical address bits to be set, Paolo Bonzini, 2016/06/17
- Re: [Qemu-devel] [PATCH 4/5] x86: Allow physical address bits to be set, Eduardo Habkost, 2016/06/17
- Re: [Qemu-devel] [PATCH 4/5] x86: Allow physical address bits to be set, Paolo Bonzini, 2016/06/17
- Re: [Qemu-devel] [PATCH 4/5] x86: Allow physical address bits to be set, Eduardo Habkost, 2016/06/17
- Re: [Qemu-devel] [PATCH 4/5] x86: Allow physical address bits to be set, Paolo Bonzini, 2016/06/17
- Re: [Qemu-devel] [PATCH 4/5] x86: Allow physical address bits to be set, Eduardo Habkost, 2016/06/17
- Re: [Qemu-devel] [PATCH 4/5] x86: Allow physical address bits to be set, Michael S. Tsirkin, 2016/06/18
- Re: [Qemu-devel] [PATCH 4/5] x86: Allow physical address bits to be set,
Paolo Bonzini <=
- Re: [Qemu-devel] [PATCH 4/5] x86: Allow physical address bits to be set, Marcel Apfelbaum, 2016/06/17