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    SubjectRe: [PATCH v17 15/15] Documentation: prctl/seccomp_filter
    On Thu, 29 Mar 2012 15:02:00 -0500
    Will Drewry <wad@chromium.org> wrote:

    > Documents how system call filtering using Berkeley Packet
    > Filter programs works and how it may be used.
    > Includes an example for x86 and a semi-generic
    > example using a macro-based code generator.
    >
    >
    > ...
    >
    > +Adding architecture support
    > +-----------------------
    > +
    > +See arch/Kconfig for the authoritative requirements. In general, if an
    > +architecture supports both ptrace_event and seccomp, it will be able to
    > +support seccomp filter with minor fixup: SIGSYS support and seccomp return
    > +value checking. Then it must just add CONFIG_HAVE_ARCH_SECCOMP_FILTER
    > +to its arch-specific Kconfig.
    > diff --git a/samples/Makefile b/samples/Makefile
    > index 2f75851..5ef08bb 100644
    > --- a/samples/Makefile
    > +++ b/samples/Makefile

    Oh good, I was going to ask about that.

    Can we get this code into tools/testing/selftests? That way people
    will run it more often and it's more likely to be maintained as the
    code evolves.



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