Merge branch 'chromeos-security-3.4' into chromeos-3.4

By Will Drewry (22) and others
via Grant Grundler
* chromeos-security-3.4: (31 commits)
  CHROMIUM: ARM: r1->r0 for get/set arguments
  CHROMIUM: seccomp: set -ENOSYS if there is no tracer
  CHROMIUM: ARM: arch/arm: allow a scno of -1 to not cause a SIGILL
  CHROMIUM: arch/arm: select HAVE_ARCH_SECCOMP_FILTER
  CHROMIUM: arch/arm: move secure_computing into trace; respect return code
  CHROMIUM: arch/arm: add asm/syscall.h
  BACKPORT: samples/seccomp: fix dependencies on arch macros
  BACKPORT: seccomp: fix build warnings when there is no CONFIG_SECCOMP_FILTER
  BACKPORT: seccomp: ignore secure_computing return values
  BACKPORT: seccomp: use a static inline for a function stub
  BACKPORT: Documentation: prctl/seccomp_filter
  BACKPORT: x86: Enable HAVE_ARCH_SECCOMP_FILTER
  BACKPORT: ptrace,seccomp: Add PTRACE_SECCOMP support
  BACKPORT: seccomp: Add SECCOMP_RET_TRAP
  BACKPORT: signal, x86: add SIGSYS info and make it synchronous.
  BACKPORT: seccomp: add SECCOMP_RET_ERRNO
  BACKPORT: seccomp: remove duplicated failure logging
  BACKPORT: seccomp: add system call filtering using BPF
  BACKPORT: arch/x86: add syscall_get_arch to syscall.h
  BACKPORT: asm/syscall.h: add syscall_get_arch
  ...

diff --cc fs/exec.c
Simple merge

diff --cc include/linux/sched.h
Simple merge

diff --cc kernel/sysctl.c
Simple merge

diff --cc mm/Kconfig
Simple merge