On 19/06/2023 11:16 am, Olaf Hering wrote: > Fri, 16 Jun 2023 17:08:25 +0100 Andrew Cooper <andrew.coop...@citrix.com>: > >> XENMEM_acquire_resource is a new mapping interface with far more sane >> semantics which, amongst other things, will work in PVH guests too. > Does that indicate xentrace will not work in a PVH dom0?
To the best of my knowledge, it does not right now. I seem to recall that ARM did some bodge to make it work for them, as all guests are effectively PVH, but I don't recall exactly what that was. > I will have a look how XENMEM_acquire_resource is used in other places. > The resulting change will likely be too intrusive for 4.18. It shouldn't be too bad IMO, but it's not the end of the world if it falls into 4.19. ~Andrew
