lkml.org 
[lkml]   [2017]   [Feb]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRE: [PATCH v3 2/3] xen/privcmd: Add IOCTL_PRIVCMD_DM_OP
Date
> -----Original Message-----
> From: Stefano Stabellini [mailto:sstabellini@kernel.org]
> Sent: 14 February 2017 18:39
> To: Boris Ostrovsky <boris.ostrovsky@oracle.com>
> Cc: Paul Durrant <Paul.Durrant@citrix.com>; xen-devel@lists.xenproject.org;
> linux-kernel@vger.kernel.org; Stefano Stabellini <sstabellini@kernel.org>;
> Juergen Gross <jgross@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.durrant@citrix.com>
> >
> >
> > Stefano,
> >
> > Are you OK with ARM changes?
>
> Yes:
>
> Acked-by: Stefano Stabellini <sstabellini@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

\
 
 \ /
  Last update: 2017-02-15 10:15    [W:0.093 / U:0.540 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site