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    SubjectRe: [PATCH 07/12] AppArmor: userspace interfaces
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    Pekka Enberg <penberg@cs.helsinki.fi> writes:

    > On Tue, Nov 10, 2009 at 6:13 PM, John Johansen
    > <john.johansen@canonical.com> wrote:
    >> The current apparmorfs interface is compatible with previous versions
    >> of AppArmor.  The plans are to deprecate it (hence the config option
    >> APPARMOR_COMPAT_24) and replace it with a more sysfs style single
    >> entry per file interface.
    >
    > We don't usually merge compatibility code to handle ABIs that were
    > developed out-of-tree. Why should we treat AppArmor differently?

    I would say that always depends on the deployed base of the old ABI.
    If there's a lot of users who would get broken I think there's a
    good case for merging compat code (I don't know if that is or
    isn't the case here).

    A widely used distribution release with the old user land would
    probably count.

    -Andi
    --
    ak@linux.intel.com -- Speaking for myself only.
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