> -----Original Message----- > From: Stefano Stabellini [mailto:sstabell...@kernel.org] > Sent: 14 February 2017 18:39 > To: Boris Ostrovsky <boris.ostrov...@oracle.com> > Cc: Paul Durrant <paul.durr...@citrix.com>; xen-de...@lists.xenproject.org; > linux-kernel@vger.kernel.org; Stefano Stabellini <sstabell...@kernel.org>; > Juergen Gross <jgr...@suse.com> > Subject: Re: [PATCH v3 2/3] xen/privcmd: Add IOCTL_PRIVCMD_DM_OP > > On Tue, 14 Feb 2017, Boris Ostrovsky wrote: > > 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.durr...@citrix.com> > > > > > > Stefano, > > > > Are you OK with ARM changes? > > Yes: > > Acked-by: Stefano Stabellini <sstabell...@kernel.org> > > Thanks for CC'ing me, I missed the patch. >
Sorry. My fault for nor re-running get-maintaner.pl after fixing up the ARM build. Paul
