[PATCH v2 0/3] powerpc/fsl: Speculation barrier for NXP PowerPC Book3E

[Diana Craciun]

Implement barrier_nospec for NXP PowerPC Book3E processors. 

Diana Craciun (3):
  Disable the speculation barrier from the command line
  Add barrier_nospec implementation for NXP PowerPC Book3E
  Implement cpu_show_spectre_v1/v2 for NXP PowerPC Book3E

 arch/powerpc/Kconfig               |  2 +-
 arch/powerpc/include/asm/barrier.h | 10 +++++++++
 arch/powerpc/include/asm/setup.h   |  2 +-
 arch/powerpc/kernel/Makefile       |  2 +-
 arch/powerpc/kernel/module.c       |  5 +++--
 arch/powerpc/kernel/security.c     | 42 +++++++++++++++++++++++++++++++++++++-
 arch/powerpc/kernel/setup_32.c     |  5 +++++
 arch/powerpc/kernel/setup_64.c     |  6 ++++++
 arch/powerpc/kernel/vmlinux.lds.S  |  4 +++-
 arch/powerpc/lib/feature-fixups.c  | 35 ++++++++++++++++++++++++++++++-
 10 files changed, 105 insertions(+), 8 deletions(-)

--
History:

v1 --> v2
- added implementation for cpu_show_spectre_x functions
- the mitigation is no longer enabled through device tree options
2.5.5