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    SubjectRe: [PATCH v3 4/5] kcmp: add KCMP_FILE_PRIVATE_DATA
    On Wed, Sep 30, 2015 at 11:13 AM, Tycho Andersen
    <tycho.andersen@canonical.com> wrote:
    > This command allows comparing the underling private data of two fds. This
    > is useful e.g. to find out if a seccomp filter is inherited, since struct
    > seccomp_filter are unique across tasks and are the private_data seccomp
    > fds.

    This is very implementation-specific and may have nasty ABI
    consequences far outside seccomp. Let's do something specific to
    seccomp and/or eBPF.

    --Andy


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