[PATCH 00/10] ARM: V7M: Support caches

Vladimir Murzin vladimir.murzin at arm.com
Mon Jun 13 09:19:52 PDT 2016


Hi Alex,

On 13/06/16 17:09, Alexandre Torgue wrote:
> Hi Vladimir,
> 
> On 06/13/2016 05:02 PM, Vladimir Murzin wrote:
>> Hi,
>>
>> This patch set allows M-class cpus benefit of optional cache support.
>> It originaly was written by Jonny, I've been keeping it localy mainly
>> rebasing over Linux versions.
>>
>> The main idea behind patches is to reuse existing cache handling code
>> from v7A/R. In case v7M cache operations are provided via memory
>> mapped interface rather than co-processor instructions, so extra
>> macros have been introduced to factor out cache handling logic and
>> low-level operations.
>>
>> Along with the v7M cache support the first user (Cortex-M7) is
>> introduced.
>>
>> Patches were tested on MPS2 platform with Cortex-M3/M4/M7. The later
>> one showed significant boot speed-up.
>>
>> Based on 4.7-rc3.
>>
>> Thanks!
>> Vladimir
>>
> 
> Thanks for the series.
> Did you change something in those patches compare to patches you sent in
> the RFC ?

Only 04, 05, 06 have been changed (each has it's own changelog included).

I did try to hammer patches because of your report of instability with
caches on, but all run fine... so nothing has been changed in regard of
your case.

Cheers
Vladimir

> 
> Regards.
> 
> Alex
> 
> 
> 




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