[PATCH v5 0/8] powerpc/fsl: Speculation barrier for NXP PowerPC Book3E

Diana Madalina Craciun diana.craciun at nxp.com
Mon Aug 6 23:28:35 AEST 2018


Hi Michael,

Sorry for the late answer, I was out of the office last week.

It looks fine to me, I have tested the patches on NXP PowerPC Book 3E
platforms and it worked well.

Thanks,

Diana

On 7/28/2018 2:06 AM, Michael Ellerman wrote:
> 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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