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Re: [qemu-s390x] [PATCH v3 1/1] s390-ccw-virtio: allow for systems large
From: |
David Hildenbrand |
Subject: |
Re: [qemu-s390x] [PATCH v3 1/1] s390-ccw-virtio: allow for systems larger that 7.999TB |
Date: |
Thu, 14 Dec 2017 14:26:17 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 |
On 14.12.2017 14:21, Cornelia Huck wrote:
> On Mon, 11 Dec 2017 13:21:46 +0100
> Christian Borntraeger <address@hidden> wrote:
>
>> KVM does not allow memory regions > KVM_MEM_MAX_NR_PAGES, basically
>> limiting the memory per slot to 8TB-4k. As memory slots on s390/kvm must
>> be a multiple of 1MB we need start a new memory region if we cross
>> 8TB-1M.
>>
>> With that (and optimistic overcommitment in the kernel) I was able to
>> start a 24TB guest on a 1TB system.
>>
>> Signed-off-by: Christian Borntraeger <address@hidden>
>> ---
>> hw/s390x/s390-virtio-ccw.c | 28 +++++++++++++++++++++++++---
>> 1 file changed, 25 insertions(+), 3 deletions(-)
>
> Thanks, applied (with 1UL -> 1ULL).
>
Can you add my
Reviewed-by: David Hildenbrand <address@hidden>
?
--
Thanks,
David / dhildenb