[PATCH v3 0/6] powerpc/fsl: Speculation barrier for NXP PowerPC Book3E

[Diana Craciun]

Implement barrier_nospec for NXP PowerPC Book3E processors.

Diana Craciun (6):
  Disable the speculation barrier from the command line
  Document nospectre_v1 kernel parameter.
  Make stf barrier PPC_BOOK3S_64 specific.
  Enable cpu vulnerabilities reporting for NXP PPC BOOK3E
  Add barrier_nospec implementation for NXP PowerPC Book3E
  powerpc/fsl: Sanitize the syscall table for NXP PowerPC 32 bit
    platforms

 Documentation/admin-guide/kernel-parameters.txt |  4 +++
 arch/powerpc/Kconfig                            |  7 ++++-
 arch/powerpc/include/asm/barrier.h              | 12 ++++++---
 arch/powerpc/include/asm/setup.h                |  6 ++++-
 arch/powerpc/kernel/Makefile                    |  3 ++-
 arch/powerpc/kernel/entry_32.S                  | 10 +++++++
 arch/powerpc/kernel/module.c                    |  4 ++-
 arch/powerpc/kernel/security.c                  | 17 +++++++++++-
 arch/powerpc/kernel/setup-common.c              |  2 ++
 arch/powerpc/kernel/vmlinux.lds.S               |  4 ++-
 arch/powerpc/lib/feature-fixups.c               | 35 ++++++++++++++++++++++++-
 arch/powerpc/platforms/powernv/setup.c          |  1 -
 arch/powerpc/platforms/pseries/setup.c          |  1 -
 13 files changed, 94 insertions(+), 12 deletions(-)

--
History:

v2 --> v3
- addressed review comments
- included the 32bit sanitization in the same patch series

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

2.5.5