Linux Kernel https://git.stealer.net/cgit.cgi/user/sven/linux.git/atom?h=v5.15.2 2017-02-14T20:13:43Z 2017-02-14T20:13:43Z Paul Durrant paul.durrant@citrix.com 2017-02-13T17:03:23Z urn:sha1:ab520be8cd5d56867fc95cfbc34b90880faf1f9d Recently a new dm_op[1] hypercall was added to Xen to provide a mechanism for restricting device emulators (such as QEMU) to a limited set of hypervisor operations, and being able to audit those operations in the kernel of the domain in which they run. This patch adds IOCTL_PRIVCMD_DM_OP as gateway for __HYPERVISOR_dm_op. NOTE: There is no requirement for user-space code to bounce data through locked memory buffers (as with IOCTL_PRIVCMD_HYPERCALL) since privcmd has enough information to lock the original buffers directly. [1] http://xenbits.xen.org/gitweb/?p=xen.git;a=commit;h=524a98c2 Signed-off-by: Paul Durrant <paul.durrant@citrix.com> Acked-by: Stefano Stabellini <sstabellini@kernel.org> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>