Re: [Xen-devel] [PATCH v4 0/4] xen/arm: arm64: Widen register access to mpidr to 64-bits

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Wed, Jun 01, 2016 at 10:29:56AM +0100, Stefano Stabellini wrote:
> Hi Wei Liu, Julien,
> 
> this series is a bug fix. I think it should go in Xen 4.7, do you agree?
> 

Yes

Release-acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>

> 
> On Tue, 31 May 2016, Wei Chen wrote:
> > 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.
> > 
> > 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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