On 06/26/2017 02:49 PM, 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: sta...@vger.kernel.org
Signed-off-by: Marek Marczykowski-Górecki <marma...@invisiblethingslab.com>
Reviewed-by: Juergen Gross <jgr...@suse.com>
Thanks,
Juergen
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