[PATCH v4 0/6] powerpc/fsl: Speculation barrier for NXP PowerPC Book3E

[LEROY Christophe]

Diana Craciun <diana.craciun at nxp.com> a écrit :

> 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

This list doesn't corresponds to the names of following 6 patches

Christophe

>
>  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:
> v3 --> v4
> - fixed compilation issues
>
> 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