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v2 of seccomp filter c/r patches

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Hi all,

Here is v2 of the seccomp filter c/r set. The patch notes have individual
changes from the last series, but there are two points not noted:

* The series still does not allow us to correctly restore state for programs
  that will use SECCOMP_FILTER_FLAG_TSYNC in the future. Given that we want to
  keep seccomp_filter's identity, I think something along the lines of another
  seccomp command like SECCOMP_INHERIT_PARENT is needed (although I'm not sure
  if this can even be done yet). In addition, we'll need a kcmp command for
  figuring out if filters are the same, although this too needs to compare
  seccomp_filter objects, so it's a little screwy. Any thoughts on how to do
  this nicely are welcome.

* I've dropped the bpf converter bug from the set and will submit it
  separately.

Alexei mentioned that this should go via net-next to minimize cross-tree
conflicts. Does that make sense here?

Thanks,

Tycho

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v2 of seccomp filter c/r patches Tycho Andersen <tycho.andersen@canonical.com> - 2015-09-11 02:30 +0200
  [PATCH v2 4/5] seccomp: add a way to access filters via bpf fds Tycho Andersen <tycho.andersen@canonical.com> - 2015-09-11 02:30 +0200
    Re: [PATCH v2 4/5] seccomp: add a way to access filters via bpf fds Daniel Borkmann <daniel@iogearbox.net> - 2015-09-11 13:50 +0200
      Re: [PATCH v2 4/5] seccomp: add a way to access filters via bpf fds Tycho Andersen <tycho.andersen@canonical.com> - 2015-09-11 16:30 +0200
    Re: [PATCH v2 4/5] seccomp: add a way to access filters via bpf fds "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com> - 2015-09-11 14:10 +0200
      Re: [PATCH v2 4/5] seccomp: add a way to access filters via bpf fds Tycho Andersen <tycho.andersen@canonical.com> - 2015-09-11 16:40 +0200
    Re: [PATCH v2 4/5] seccomp: add a way to access filters via bpf fds Andy Lutomirski <luto@amacapital.net> - 2015-09-11 18:30 +0200
      Re: [PATCH v2 4/5] seccomp: add a way to access filters via bpf fds Tycho Andersen <tycho.andersen@canonical.com> - 2015-09-11 18:50 +0200
        Re: [PATCH v2 4/5] seccomp: add a way to access filters via bpf fds Andy Lutomirski <luto@amacapital.net> - 2015-09-14 20:00 +0200
  Re: v2 of seccomp filter c/r patches Alexei Starovoitov <alexei.starovoitov@gmail.com> - 2015-09-11 05:00 +0200
  Re: v2 of seccomp filter c/r patches Andy Lutomirski <luto@amacapital.net> - 2015-09-11 18:40 +0200
    Re: v2 of seccomp filter c/r patches Andy Lutomirski <luto@amacapital.net> - 2015-09-11 19:10 +0200
      Re: v2 of seccomp filter c/r patches Tycho Andersen <tycho.andersen@canonical.com> - 2015-09-11 19:30 +0200
        Re: v2 of seccomp filter c/r patches Andy Lutomirski <luto@amacapital.net> - 2015-09-14 20:00 +0200
          Re: v2 of seccomp filter c/r patches Tycho Andersen <tycho.andersen@canonical.com> - 2015-09-15 18:10 +0200
            Re: v2 of seccomp filter c/r patches Andy Lutomirski <luto@amacapital.net> - 2015-09-15 20:20 +0200
              Re: v2 of seccomp filter c/r patches Tycho Andersen <tycho.andersen@canonical.com> - 2015-09-15 20:30 +0200
                Re: v2 of seccomp filter c/r patches Andy Lutomirski <luto@amacapital.net> - 2015-09-15 22:10 +0200
                Re: v2 of seccomp filter c/r patches Tycho Andersen <tycho.andersen@canonical.com> - 2015-09-15 23:40 +0200

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