[PATCH 0/7] ARM: NOMMU: MPU updates

Vladimir Murzin vladimir.murzin at arm.com
Tue Jun 20 01:30:40 PDT 2017


Gentle ping...

On 13/06/17 10:05, Vladimir Murzin wrote:
> Hi,
> 
> This is an update of the existent MPU code which consist set of
> clean-ups and enhancements. The most significant changes are in the way
> how MPU settings sync-up for secondaries (PATCH 3/7) and more flexible
> layout for memory (PATCH 7/7). Since there is no in-tree user of MPU,
> support for M-class has been added (PATCH 6/7).
> 
> Thanks!
> 
> Changelog:
> 
>         RFC v2 -> v1
>              - dropped RFC tag
> 	       - Tested-by from András
> 	       - rebased on 4.12-rc5
> 
>            RFC -> RFC v2
> 	       - fixed MPU enable for v7m (PATCH 6/7)
> 
> Vladimir Murzin (7):
>   ARM: NOMMU: Move out MPU setup in separate module
>   ARM: NOMMU: Update MPU accessors to use cp15 helpers
>   ARM: NOMMU: Rework MPU to be mostly done in C
>   ARM: NOMMU: Disallow MPU for XIP
>   ARM: Kconfig: Kill CONFIG_VECTORS_BASE
>   ARM: V7M: Add support for MPU to M-class
>   ARM: NOMMU: Use more MPU regions to cover memory
> 
>  arch/arm/Kconfig               |   9 -
>  arch/arm/Kconfig-nommu         |   4 +-
>  arch/arm/include/asm/cputype.h |  10 +
>  arch/arm/include/asm/mpu.h     |  23 ++-
>  arch/arm/include/asm/smp.h     |   2 +-
>  arch/arm/include/asm/v7m.h     |  10 +
>  arch/arm/kernel/asm-offsets.c  |  11 +
>  arch/arm/kernel/head-nommu.S   | 128 +++++++++---
>  arch/arm/kernel/smp.c          |   2 +-
>  arch/arm/mm/Makefile           |   1 +
>  arch/arm/mm/nommu.c            | 254 +----------------------
>  arch/arm/mm/pmsa-v7.c          | 445 +++++++++++++++++++++++++++++++++++++++++
>  12 files changed, 598 insertions(+), 301 deletions(-)
>  create mode 100644 arch/arm/mm/pmsa-v7.c
> 




More information about the linux-arm-kernel mailing list