News: Linux KVM Virtualization Had Mistakenly Been Applying L1TF Workaround To Unaffected CPUs (AMD)

[mmenaz]

https://www.phoronix.com/scan.php?page=news_item&px=KVM-L1TF-Whoops
Maybe some Proxmox dev can take care of this issue.

 

[t.lamprecht]

A build with a backport of https://lore.kernel.org/lkml/20200519095008.1212-1-pbonzini@redhat.com/ is underway, won't hurry to much though, it's not fixing a security risk and risking system stability for a few comma percentages of performance doesn't seems to be worth it.