Messages in this thread | | | Date | Thu, 30 Apr 2020 15:59:39 +0530 | From | Srivatsa Vaddagiri <> | Subject | Re: [RFC/PATCH 0/1] virtio_mmio: hypervisor specific interfaces for MMIO |
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* Will Deacon <will@kernel.org> [2020-04-30 11:08:22]:
> > This patch is meant to seek comments. If its considered to be in right > > direction, will work on making it more complete and send the next version! > > What's stopping you from implementing the trapping support in the > hypervisor? Unlike the other patches you sent out, where the guest memory > is not accessible to the host, there doesn't seem to be any advantage to > not having trapping support, or am I missing something here?
Hi Will, I have had this discussion with hypervisor folks. They seem to be concerned about complexity of having a VM's fault be handled in another untrusted VM. They are not keen to add MMIO support.
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