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Re: [Qemu-devel] [PATCH v2 2/2] RAM API: Make use of it for x86 PC
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] [PATCH v2 2/2] RAM API: Make use of it for x86 PC |
Date: |
Thu, 18 Nov 2010 18:35:21 +0200 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Thu, Nov 18, 2010 at 06:18:06PM +0200, Avi Kivity wrote:
> >But for PV devices, we can be loose in how we define the way the
> >devices interact with the rest of the system. For instance, we
> >can say that virtio-pci devices are directly connected to RAM and
> >do not go through the memory controllers. That means we could get
> >stable mappings of the virtio ring.
>
> That wouldn't work once we have an iommu and start to assign them to
> nested guests.
Yea. Not sure whether I'm worried about that though.
Mixing in all the problems inherent in nested virt, PV and assigned
devices seems especially masochistic.
> --
> error compiling committee.c: too many arguments to function
- [Qemu-devel] [PATCH v2 2/2] RAM API: Make use of it for x86 PC, (continued)
- [Qemu-devel] [PATCH v2 2/2] RAM API: Make use of it for x86 PC, Alex Williamson, 2010/11/01
- Re: [Qemu-devel] [PATCH v2 2/2] RAM API: Make use of it for x86 PC, Anthony Liguori, 2010/11/16
- Re: [Qemu-devel] [PATCH v2 2/2] RAM API: Make use of it for x86 PC, Alex Williamson, 2010/11/16
- Re: [Qemu-devel] [PATCH v2 2/2] RAM API: Make use of it for x86 PC, Gleb Natapov, 2010/11/17
- Re: [Qemu-devel] [PATCH v2 2/2] RAM API: Make use of it for x86 PC, Anthony Liguori, 2010/11/17
- Re: [Qemu-devel] [PATCH v2 2/2] RAM API: Make use of it for x86 PC, Avi Kivity, 2010/11/18
- Re: [Qemu-devel] [PATCH v2 2/2] RAM API: Make use of it for x86 PC, Anthony Liguori, 2010/11/18
- Re: [Qemu-devel] [PATCH v2 2/2] RAM API: Make use of it for x86 PC, Avi Kivity, 2010/11/18
- Re: [Qemu-devel] [PATCH v2 2/2] RAM API: Make use of it for x86 PC, Anthony Liguori, 2010/11/18
- Re: [Qemu-devel] [PATCH v2 2/2] RAM API: Make use of it for x86 PC, Avi Kivity, 2010/11/18
- Re: [Qemu-devel] [PATCH v2 2/2] RAM API: Make use of it for x86 PC,
Michael S. Tsirkin <=
- Re: [Qemu-devel] [PATCH v2 2/2] RAM API: Make use of it for x86 PC, Gleb Natapov, 2010/11/18
[Qemu-devel] [PATCH v3 0/2] Minimal RAM API support, Alex Williamson, 2010/11/18