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    SubjectRe: [PATCH_v4 0/2] arm64: Add seccomp support
    On 06/25/2014 11:53 PM, Mark Salter wrote:
    > What is the current status of this patch series? Is it on track
    > for 3.17?

    I assume not as I saw no comments on this so far.
    But I will re-post a new version soon or later due to recent changes on seccomp.

    -Takahiro AKASHI

    > On Sat, 2014-03-15 at 14:50 +0900, AKASHI Takahiro wrote:
    >> (Please apply this patch after my ftrace patch and audit patch in order
    >> to avoid some conflict on arm64/Kconfig.)
    >>
    >> This patch enables secure computing (system call filtering) on arm64.
    >> System calls can be allowed or denied by loaded bpf-style rules.
    >> Architecture specific part is to run secure_computing() on syscall entry
    >> and check the result. See [2/2]
    >>
    >> Prerequisites are:
    >> * "arm64: make a single hook to syscall_trace() for all syscall features" patch
    >> * "arm64: split syscall_trace() into separate functions for enter/exit" patch
    >> * "arm64: Add audit support" patch
    >> * "arm64: is_compat_task is defined both in asm/compat.h and
    >> linux/compat.h" patch
    >>
    >> This code is tested on ARMv8 fast model using libseccomp v2.1.1 with
    >> modifications for arm64 and verified by its "live" tests, 20, 21 and 24.
    >>
    >> Changes v3 -> v4:
    >> * removed the following patch and moved it to "arm64: prerequisites for
    >> audit and ftrace" patchset since it is required for audit and ftrace in
    >> case of !COMPAT, too.
    >> "arm64: is_compat_task is defined both in asm/compat.h and linux/compat.h"
    >>
    >> Changes v2 -> v3:
    >> * removed unnecessary 'type cast' operations [2/3]
    >> * check for a return value (-1) of secure_computing() explicitly [2/3]
    >> * aligned with the patch, "arm64: split syscall_trace() into separate
    >> functions for enter/exit" [2/3]
    >> * changed default of CONFIG_SECCOMP to n [2/3]
    >>
    >> Changes v1 -> v2:
    >> * added generic seccomp.h for arm64 to utilize it [1,2/3]
    >> * changed syscall_trace() to return more meaningful value (-EPERM)
    >> on seccomp failure case [2/3]
    >> * aligned with the change in "arm64: make a single hook to syscall_trace()
    >> for all syscall features" v2 [2/3]
    >> * removed is_compat_task() definition from compat.h [3/3]
    >>
    >> AKASHI Takahiro (2):
    >> asm-generic: Add generic seccomp.h for secure computing mode 1
    >> arm64: Add seccomp support
    >>
    >> arch/arm64/Kconfig | 14 ++++++++++++++
    >> arch/arm64/include/asm/seccomp.h | 25 +++++++++++++++++++++++++
    >> arch/arm64/include/asm/unistd.h | 3 +++
    >> arch/arm64/kernel/entry.S | 4 ++++
    >> arch/arm64/kernel/ptrace.c | 6 ++++++
    >> include/asm-generic/seccomp.h | 28 ++++++++++++++++++++++++++++
    >> 6 files changed, 80 insertions(+)
    >> create mode 100644 arch/arm64/include/asm/seccomp.h
    >> create mode 100644 include/asm-generic/seccomp.h
    >>
    >
    >


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