Implement barrier_nospec for NXP PowerPC Book3E processors.
Hi Diana,
This series interacts with another series of mine, so I wanted to rework it
slightly. Let me know if this looks OK to you.
cheers
Diana Craciun (6):
powerpc/64: Disable the speculation barrier from the command line
powerpc/64: Make stf barrier PPC_BOOK3S_64 specific.
powerpc/64: Make meltdown reporting Book3S 64 specific
powerpc/fsl: Add barrier_nospec implementation for NXP PowerPC Book3E
powerpc/fsl: Sanitize the syscall table for NXP PowerPC 32 bit
platforms
Documentation: Add nospectre_v1 parameter
Michael Ellerman (2):
powerpc/64: Add CONFIG_PPC_BARRIER_NOSPEC
powerpc/64: Call setup_barrier_nospec() from setup_arch()
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(-)
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2.14.1
