Re: [Xen-devel] [PATCH v3 0/4] xen/arm: arm64: Widen register access to mpidr to 64-bits

[Wei Chen <wei.chen@xxxxxxxxxx>]

Hi Stefano,

On 30 May 2016 at 21:24, Stefano Stabellini <sstabellini@xxxxxxxxxx> wrote:
> On Mon, 30 May 2016, Wei Chen wrote:
>> In ARM64 the MPIDR register is mapped to MPIDR_EL1, and the register
>> bits are expanded to 64-bits. But Xen 64-bit ARM code treats this it
>> as 32-bit register.
>> We have to provide correct accessing to this register to avoid
>> unexpected issues that is caused by incorrect MPIDR value.
>
> Please don't drop acked-by and reviewed-by tags in the future (unless
> you make significant changes to the patches).
>
Thanks for your kindly reminder!

>
>> Wei Chen (4):
>>   xen/arm: Change the variable type of cpu_logical_map to register_t
>>   xen/arm: Make AFFINITY_MASK generate correct mask for level3
>>   xen:arm: arm64: Add correct MPIDR_HWID_MASK value for ARM64
>>   xen/arm: arm64: Remove MPIDR multiprocessing extensions check
>>
>>  xen/arch/arm/arm64/head.S       |  3 +--
>>  xen/arch/arm/gic-v3.c           |  2 +-
>>  xen/arch/arm/smpboot.c          | 13 +++++++------
>>  xen/include/asm-arm/processor.h |  9 +++++++--
>>  4 files changed, 16 insertions(+), 11 deletions(-)
>>
>> --
>> 2.7.4
>>

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