Messages in this thread | | | Subject | Re: [PATCH v3 2/3] xen/privcmd: Add IOCTL_PRIVCMD_DM_OP | From | Boris Ostrovsky <> | Date | Wed, 15 Feb 2017 09:47:44 -0500 |
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On 02/13/2017 12:03 PM, Paul Durrant wrote: > 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>
Applied to for-linus-4.11 (with agreed upon adjustments)
-boris
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