On 26/06/17 14:49, Marek Marczykowski-Górecki wrote: > Userspace application can do a hypercall through /dev/xen/privcmd, and > some for some hypercalls argument is a pointers to user-provided > structure. When SMAP is supported and enabled, hypervisor can't access. > So, lets allow it. > > The same applies to HYPERVISOR_dm_op, where additionally privcmd driver > carefully verify buffer addresses. > > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx> Queued to xen/tip.git for-linus-4.13 Thanks, Juergen