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    Subject[PATCH 0/6][RFC] audit: standardize and simplify syscall_get_arch()
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    Each arch that supports audit requires syscall_get_arch() to able to log
    and identify architecture-dependent syscall numbers. The information is used
    in at least two different subsystems, so standardize it in the same call across
    all arches.

    Use the standardized syscall_get_arch() locally to add the arch to the
    AUDIT_SECCOMP record to identify which syscall was issued.

    Since all the callers of syscall_get_arch() presently pass "current" and none
    of the arch-specific syscall_get_arch() implementations use the regs parameter,
    call syscall_get_arch() locally where it is needed and drop passing around
    arch, current and regs in __audit_syscall_entry() and audit_syscall_entry().

    Compiles and runs on i686, x86_64, ppc, ppc64, s390, s390x, manually tested in
    an x86_64 VM. aarch64 will be added soon.

    Richard Guy Briggs (6):
    syscall: define syscall_get_arch() for each audit-supported arch
    audit: add arch field to seccomp event log
    audit: __audit_syscall_entry: ignore arch arg and call
    syscall_get_arch() directly
    audit: drop arch from audit_syscall_entry() interface
    audit: drop args from syscall_get_arch() interface
    audit: drop arch from __audit_syscall_entry() interface

    arch/arm/include/asm/syscall.h | 5 ++---
    arch/arm/kernel/ptrace.c | 2 +-
    arch/ia64/include/asm/syscall.h | 6 ++++++
    arch/ia64/kernel/ptrace.c | 2 +-
    arch/microblaze/include/asm/syscall.h | 5 +++++
    arch/microblaze/kernel/ptrace.c | 2 +-
    arch/mips/include/asm/syscall.h | 6 +++---
    arch/mips/kernel/ptrace.c | 3 +--
    arch/openrisc/include/asm/syscall.h | 5 +++++
    arch/openrisc/kernel/ptrace.c | 2 +-
    arch/parisc/include/asm/syscall.h | 11 +++++++++++
    arch/parisc/kernel/ptrace.c | 5 ++---
    arch/powerpc/include/asm/syscall.h | 12 ++++++++++++
    arch/powerpc/kernel/ptrace.c | 6 ++----
    arch/s390/include/asm/syscall.h | 7 +++----
    arch/s390/kernel/ptrace.c | 4 +---
    arch/sh/include/asm/syscall.h | 16 ++++++++++++++++
    arch/sh/kernel/ptrace_32.c | 13 +------------
    arch/sh/kernel/ptrace_64.c | 16 +---------------
    arch/sparc/include/asm/syscall.h | 7 +++++++
    arch/sparc/kernel/ptrace_64.c | 5 +----
    arch/um/kernel/ptrace.c | 3 +--
    arch/x86/ia32/ia32entry.S | 12 ++++++------
    arch/x86/include/asm/syscall.h | 10 ++++------
    arch/x86/kernel/entry_32.S | 11 +++++------
    arch/x86/kernel/entry_64.S | 11 +++++------
    arch/x86/kernel/ptrace.c | 6 ++----
    arch/xtensa/kernel/ptrace.c | 2 +-
    include/asm-generic/syscall.h | 6 ++----
    include/linux/audit.h | 9 ++++-----
    include/uapi/linux/audit.h | 1 +
    kernel/auditsc.c | 6 ++++--
    kernel/seccomp.c | 4 ++--
    33 files changed, 120 insertions(+), 101 deletions(-)



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