On 04.05.2021 13:56, Roger Pau Monné wrote: > On Mon, May 03, 2021 at 12:43:08PM +0200, Jan Beulich wrote: >> On 30.04.2021 17:52, Roger Pau Monne wrote: >>> +/* Only level featuresets so far. */ >> >> I have to admit that I don't think I see all the implications from >> this implementation restriction. All other leaves get dropped by >> the caller, but it's not clear to me what this means wrt what the >> guest is ultimately going to get to see. > > This aims to be based on what XenServer does, which I was told is to > level the featuresets. I think the caller of the function will have to > fill the part of the policy that cannot be leveled. It's likely new > helpers will be added to do that as required. > > One option would be to get the default policy for the guest and then > use xc_cpu_policy_update_cpuid to apply the leveled one.
Could such further plans perhaps be outlined (to a degree at least) in the description? Jan
