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Re: [Xen-users] Got permission denied error when calling xenbus_printf function in the frontend driver

On Tue, 2015-08-04 at 07:11 -0400, Jintack Lim wrote:
> > xenstore-chmod /local/domain/${2}/device/${1}/0/state b
> > xenstore-chmod /local/domain/${2}/device/${1}/0/ring-ref b
> > xenstore-chmod /local/domain/${2}/device/${1}/0/event-channel b
> > /* then fire up the frontend driver */
> > 
> Well, even though this works, I feel like this is not the correct way to 
> do it.
> Because all other domains can access and modify the keys.
> The better way would be to make a specific domU to be the owner of 
> /local/domain/<domid>/device/vsimple/<devid>.
> Currently it is dom0.

Right, I just replied to your previous mail along those lines, great minds
think alike I guess!


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