What is the current status of this patch series? Is it on track for 3.17? 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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