On: Half-Double: New hammering technique for DRAM Rowh...

[benlivengood]

GCP at least takes the approach of monitoring single and double bit flips to kill offending VMs.

There's also a potential performance tradeoff (no idea if GCP is using this) of running some single channel DIMMs for isolating VMs from the kernel and kvm userspace.

Reference: https://www.google.com/amp/s/cloudblog.withgoogle.com/produc...