On Wed, Sep 5, 2012 at 4:09 PM, Ingo Molnar <mi...@kernel.org> wrote:
>
> * Pekka Enberg <penb...@kernel.org> wrote:
>
>> On 08/24/2012 02:29 PM, Asias He wrote:
>> >> It is useful to run a X program in guest and display it on host.
>> >>
>> >> 1) Make host's x server listen to localhost:6000
>> >>    host_shell$ socat -d -d TCP-LISTEN:6000,fork,bind=localhost \
>> >>                UNIX-CONNECT:/tmp/.X11-unix/X0
>> >>
>> >> 2) Start the guest and run X program
>> >>    host_shell$ lkvm run -k /boot/bzImage
>> >>   guest_shell$ xlogo
>>
>> On Tue, Sep 4, 2012 at 4:07 PM, Avi Kivity <a...@redhat.com> wrote:
>> > Note, this is insecure, don't do this with untrusted guests.
>>
>> Asias, can we add a command line argument that enables this?
>> It'd be safer to keep it disabled by default.
>
> It might also be prudent to name the option in a way that
> signals that the user of it understands the security
> implications:
>
>         --X11-trusted-guest 1
>

Yes. If we do something like the socat cmd does in step 1) above in
lkvm, we need a option to enable that explicitly.

-- 
Asias He
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