On Fri, 2023-11-24 at 10:40 +0100, Peter Zijlstra wrote: > So booting a host with "ibt=off" will clear the FEATURE_IBT, this was > fine before this patch-set, but possibly not with. > > That kernel argument really only wants to tell the kernel not to use > IBT > itself, but not inhibit IBT from being used by guests. Should we add a SW bit for it then? ibt=off sounds like it should be turning off the whole feature though. It doesn't sound like kernel IBT specifically.
