Re: [PATCH] xen/privcmd: remove privcmd_ioctl_mmap()

[Juergen Gross]

On 15.09.22 11:32, Jan Beulich wrote:
> On 15.09.2022 10:39, Juergen Gross wrote:
> > The IOCTL_PRIVCMD_MMAP isn't in use by Xen since at least Xen 4.0.
> >
> > Remove it from the privcmd driver.
> >
> > Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
>
> Can we reasonably remove an IOCTL, without being entirely certain that
> no users exist outside of xen.git?

This is a valid question. I'm not sure how probable it is that such a user
is existing. Are there any Xen tool stacks not using the Xen libraries?

If so, why? Do we want to support those use cases?

> Even if so, shouldn't there be a
> staged deprecation process?

Depends on the answer to above questions.


Juergen

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