Spectre & KPTI Get More Fixes In Linux 4.16, Offsets Some KVM Performance Losses

While we are past the Linux 4.16 merge window, more Spectre and Meltdown related improvements and changes are still being allowed into the kernel, similar to all the KPTI/Retpoline work that landed late in Linux 4.15. On Wednesday was another big batch of KPTI and Spectre work that has already been merged...