Re: [PATCH v4 0/5] MIPS: enable APRP (APSP) and add features - v4

[Deng-Cheng Zhu <dengcheng.zhu@imgtec.com>]

Hi, Steven


Your Tested-by is welcome.


Thanks,

Deng-Cheng

On 04/08/2013 09:52 AM, Deng-Cheng Zhu wrote:
> The APRP model makes it possible that one or more CPUs run the Linux
> kernel whereas a dedicated CPU runs special real-time or signal processing
> program.
>
> This patchset adds the following to the current APRP support:
> 1. Several bug fixes;
> 2. Running floating point heavy jobs on the RP side;
> 3. Waking up RP side read by interrupt;
> 4. CPS multicore APRP support.
>
> A mp3 player program was ported to run in the APRP (APSP exactly) model.
> Considerable performance benefits were observed on the player program.
> CodeSourcery tools instead of the old SDE tools were used to build the
> example.
>
> Changes:
> v4 - v3:
> o Rebase onto HEAD of master (3.9-rc6 as of now).
> v3 - v2:
> o Split CMP/MT flavors into different files -cmp/-mt.
> o Put Malta needed changes into a separate patch.
> o Code style adjustments in rtlx/vpe files.
> o Remove kspd.h which might have been left out in Ralf's kspd removal.
> v2 - v1:
> o Rebase the patches to the latest kernel, and fix a bunch of warnings and
>    errors reported by the current scripts/checkpatch.pl.
> o Add MIPS_MALTA dependency to Kconfig since modifications of Malta files
>    are needed. But it should be easy to port changes to other platforms.
>
> Deng-Cheng Zhu (5):
>    MIPS: APRP (APSP): fix/enrich functionality
>    MIPS: APRP (APSP): split vpe-loader and rtlx into cmp/mt flavors
>    MIPS: APRP (APSP): remove kspd.h
>    MIPS: let amon_cpu_start() report results
>    MIPS: APRP (APSP): malta board support
>
>   arch/mips/Kconfig                                  |    9 +
>   arch/mips/include/asm/amon.h                       |    2 +-
>   arch/mips/include/asm/kspd.h                       |   32 -
>   .../include/asm/mach-malta/cpu-feature-overrides.h |    3 +
>   arch/mips/include/asm/rtlx.h                       |   47 +-
>   arch/mips/include/asm/vpe.h                        |  117 +++-
>   arch/mips/kernel/Makefile                          |    9 +-
>   arch/mips/kernel/rtlx-cmp.c                        |  126 ++++
>   arch/mips/kernel/rtlx-mt.c                         |  161 +++++
>   arch/mips/kernel/rtlx.c                            |  203 ++-----
>   arch/mips/kernel/vpe-cmp.c                         |  203 ++++++
>   arch/mips/kernel/vpe-mt.c                          |  526 ++++++++++++++
>   arch/mips/kernel/vpe.c                             |  732 ++------------------
>   arch/mips/mti-malta/malta-amon.c                   |    8 +-
>   arch/mips/mti-malta/malta-int.c                    |   21 +
>   15 files changed, 1307 insertions(+), 892 deletions(-)
>   delete mode 100644 arch/mips/include/asm/kspd.h
>   create mode 100644 arch/mips/kernel/rtlx-cmp.c
>   create mode 100644 arch/mips/kernel/rtlx-mt.c
>   create mode 100644 arch/mips/kernel/vpe-cmp.c
>   create mode 100644 arch/mips/kernel/vpe-mt.c
>