Re: [PATCH v3 0/7] virtio-mem: s390 support

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On Fri, Oct 25, 2024 at 04:14:45PM +0200, David Hildenbrand wrote:
> Let's finally add s390 support for virtio-mem; my last RFC was sent
> 4 years ago, and a lot changed in the meantime.
> 
> The latest QEMU series is available at [1], which contains some more
> details and a usage example on s390 (last patch).
> 
> There is not too much in here: The biggest part is querying a new diag(500)
> STORAGE_LIMIT hypercall to obtain the proper "max_physmem_end".

...

> David Hildenbrand (7):
>   Documentation: s390-diag.rst: make diag500 a generic KVM hypercall
>   Documentation: s390-diag.rst: document diag500(STORAGE LIMIT)
>     subfunction
>   s390/physmem_info: query diag500(STORAGE LIMIT) to support QEMU/KVM
>     memory devices
>   virtio-mem: s390 support
>   lib/Kconfig.debug: default STRICT_DEVMEM to "y" on s390
>   s390/sparsemem: reduce section size to 128 MiB
>   s390/sparsemem: provide memory_add_physaddr_to_nid() with CONFIG_NUMA
> 
>  Documentation/virt/kvm/s390/s390-diag.rst | 35 +++++++++++++----
>  arch/s390/boot/physmem_info.c             | 47 ++++++++++++++++++++++-
>  arch/s390/boot/startup.c                  |  7 +++-
>  arch/s390/include/asm/physmem_info.h      |  3 ++
>  arch/s390/include/asm/sparsemem.h         | 10 ++++-
>  drivers/virtio/Kconfig                    | 12 +++---
>  lib/Kconfig.debug                         |  2 +-
>  7 files changed, 98 insertions(+), 18 deletions(-)

I'll apply the whole series as soon as there are ACKs for the third
patch, and from the KVM guys for the whole series.
Christian, Janosch, Claudio?




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