Re: [Xen-devel] [PATCH 1/2] xen: Implement ioctl to restrict privcmd to a specific domain

[Jan Beulich]

>>> On 31.07.14 at 15:16, <frediano.ziglio@xxxxxxxxxx> wrote:
> Add a RESTRICT ioctl to /dev/xen/privcmd, which allows privileged commands
> file descriptor to be restricted to only working with a particular domain.

The "with" here has been quite confusing, and I realized that you
mean the subject domain rather than the actor one only after
having gone through quite some parts of the patch. For a patch
this size, a little more of a description (and the original motivation)
would have helped.

Wrt motivation: Why does this need enforcing in the kernel at all?
Doesn't XSM_DM_PRIV mode deal specifically with what you're
trying to do here? Or else I guess I really need some better
explanation of what this is about.

Jan

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