ACK/cmnt: [Zesty][PATCH 00/13] POWER9 XIVE: msgsnd/doorbell IPI support

[Stefan Bader]

On 23.05.2017 15:26, Gustavo L F Walbon wrote:
> Hi,
> 
> Thanks Stefan for your advice, I am going to send another version of patch.

Hi Gustavo,

not needed this time. The reference can be added before applying. Just to make
for next time.

-Stefan

> 
> 
> []'s
> 
> 
> On 05/23/2017 06:06 AM, Stefan Bader wrote:
>> On 22.05.2017 16:50, Gustavo Walbon wrote:
>>> Buglink : http://bugs.launchpad.net/bugs/1691973
>>>
>>> The backport was requested for 16.04.3 HWE to be enabled the XIVE
>>> feature on the POWER9 systems.
>>>
>>> The tests were done using the Sysbench for CPU,fileIO and Threads tests,
>>> and the FIO tester to write directly on disk without buffering. All
>>>   tests were performed in order to stress the machine using its 32
>>> threads of CPUs for 12 hr.
>>>
>>> The commits below were cherry-pick to enable XIVE features.
>>>
>>> The fixing from Michael Ellerman which it solved the kernel
>>> crash while the starting boot of the machine.
>> Isolated to the ppc architecture as stated and tested there. Note for
>> application to zesty tree: the bug reference still has to be added to the
>> individual patches.
>>
>> -Stefan
>>
>>> Benjamin Herrenschmidt (5):
>>>    powerpc/xive: Native exploitation of the XIVE interrupt controller
>>>    powerpc/powernv: Add XIVE related definitions to opal-api.h
>>>    powerpc: Add more PPC bit conversion macros
>>>    powerpc: Add optional smp_ops->prepare_cpu SMP callback
>>>    powerpc/smp: Remove migrate_irq() custom implementation
>>>
>>> Douglas Miller (1):
>>>    powerpc/xmon: Dump memory in CPU endian format
>>>
>>> Michael Ellerman (1):
>>>    powerpc/powernv: Fix oops on P9 DD1 in cause_ipi()
>>>
>>> Nicholas Piggin (6):
>>>    powerpc/64s: Add msgp facility unavailable log string
>>>    powerpc/64s: Add SCV FSCR bit for ISA v3.0
>>>    powerpc: Change the doorbell IPI calling convention
>>>    powerpc: Introduce msgsnd/doorbell barrier primitives
>>>    powerpc/64s: Avoid a branch for ppc_msgsnd
>>>    powerpc/powernv: POWER9 support for msgsnd/doorbell IPI
>>>
>>>   arch/powerpc/include/asm/bitops.h              |    8 +
>>>   arch/powerpc/include/asm/dbell.h               |   40 +-
>>>   arch/powerpc/include/asm/opal-api.h            |   74 +-
>>>   arch/powerpc/include/asm/opal.h                |   36 +
>>>   arch/powerpc/include/asm/ppc-opcode.h          |    2 +
>>>   arch/powerpc/include/asm/reg.h                 |    2 +
>>>   arch/powerpc/include/asm/smp.h                 |    6 +-
>>>   arch/powerpc/include/asm/xics.h                |    2 +-
>>>   arch/powerpc/include/asm/xive-regs.h           |   97 ++
>>>   arch/powerpc/include/asm/xive.h                |  163 +++
>>>   arch/powerpc/include/asm/xmon.h                |    2 +
>>>   arch/powerpc/kernel/dbell.c                    |   58 +-
>>>   arch/powerpc/kernel/irq.c                      |   40 -
>>>   arch/powerpc/kernel/smp.c                      |   46 +-
>>>   arch/powerpc/kernel/traps.c                    |    2 +
>>>   arch/powerpc/kvm/book3s_hv_builtin.c           |    8 +
>>>   arch/powerpc/platforms/85xx/smp.c              |   11 +-
>>>   arch/powerpc/platforms/Kconfig.cputype         |    1 +
>>>   arch/powerpc/platforms/powermac/smp.c          |    2 +-
>>>   arch/powerpc/platforms/powernv/Kconfig         |    1 +
>>>   arch/powerpc/platforms/powernv/opal-wrappers.S |   15 +
>>>   arch/powerpc/platforms/powernv/setup.c         |   15 +-
>>>   arch/powerpc/platforms/powernv/smp.c           |   88 +-
>>>   arch/powerpc/platforms/pseries/smp.c           |   27 +-
>>>   arch/powerpc/sysdev/Kconfig                    |    1 +
>>>   arch/powerpc/sysdev/Makefile                   |    1 +
>>>   arch/powerpc/sysdev/xics/icp-hv.c              |    2 +-
>>>   arch/powerpc/sysdev/xics/icp-native.c          |   12 +-
>>>   arch/powerpc/sysdev/xics/icp-opal.c            |    2 +-
>>>   arch/powerpc/sysdev/xics/xics-common.c         |    6 +-
>>>   arch/powerpc/sysdev/xive/Kconfig               |   11 +
>>>   arch/powerpc/sysdev/xive/Makefile              |    4 +
>>>   arch/powerpc/sysdev/xive/common.c              | 1302 ++++++++++++++++++++++++
>>>   arch/powerpc/sysdev/xive/native.c              |  639 ++++++++++++
>>>   arch/powerpc/sysdev/xive/xive-internal.h       |   62 ++
>>>   arch/powerpc/xmon/xmon.c                       |  152 ++-
>>>   36 files changed, 2799 insertions(+), 141 deletions(-)
>>>   create mode 100644 arch/powerpc/include/asm/xive-regs.h
>>>   create mode 100644 arch/powerpc/include/asm/xive.h
>>>   create mode 100644 arch/powerpc/sysdev/xive/Kconfig
>>>   create mode 100644 arch/powerpc/sysdev/xive/Makefile
>>>   create mode 100644 arch/powerpc/sysdev/xive/common.c
>>>   create mode 100644 arch/powerpc/sysdev/xive/native.c
>>>   create mode 100644 arch/powerpc/sysdev/xive/xive-internal.h
>>>
>>
> 


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