Greg KH schrieb: > On Thu, Aug 16, 2018 at 01:41:26PM +0200, Rainer Fiebig wrote: >> Hi! >> >> According to 1), disabling EPT offers the same maximum protection against L1TF as disabling SMT but >> has a severe performance impact. >> >> FWIW: With EPT disabled (2)), I can *not* confirm any performance-degradation for the VirtualBox >> Windows- or Linux-VMs that I use. Those VMs are for desktop-use, though. >> >> So to me it seems that the performance impact depends on the use case and in a desktop-setting >> disabling EPT may offer a simple max-protection-option with the advantage of still enabled >> hyperthreading. >> >> I have tried this with 4.18.1 and 4.14.63. > > Why are you sending this to the stable@ list? There's nothing we can do > here, sorry. > > greg k-h > Sorry, wrong target-group then. Have a good day! Rainer Fiebig