3 ms·
https://news.ycombinator.com/item?id=43067347 https://news.ycombinator.com/item?id=43067347 : > Still hoping for SR-IOV in retail GPUs. > Not sure about vCPU
by westurner 1y ago
https://news.ycombinator.com/item?id=43067347 https://news.ycombinator.com/item?id=43067347 :
> Still hoping for SR-IOV in retail GPUs.
> Not sure about vCPU functionality in GPUs
> Process isolation on vCPUs with or without SR-IOV is probably not as advanced as secure enclave approaches
[Which just fell to post-spectre side channels]
>> Is there sufficient process isolation in GPUs?
/? Sr-iov iommu:
https://www.google.com/search?q=sr-iov+iommu https://www.google.com/search?q=sr-iov+iommu
Is there branch prediction in GPUs? What about other side channels between insufficiently-isolated GPU processes?
I see that
vgpu_unlock no longer works for technical reasons.