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

Vladimir Murzin vladimir.murzin at arm.com
Tue Jun 27 01:33:38 PDT 2017


Ping!

On 20/06/17 09:30, Vladimir Murzin wrote:
> 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
>>
> 
> 
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