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

Christian Borntraeger
2024-10-30T16:49:32Z

Am 30.10.24 um 10:34 schrieb Heiko Carstens:
> 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?

Acked-by: Christian Borntraeger <borntraeger@linux.ibm.com>
for the series.

@Eric Farman,
Was someone from your team planning to look into this (testing, review whatever)?