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Re: [qemu-s390x] [PATCH v3 1/1] s390-ccw-virtio: allow for systems large
Re: [qemu-s390x] [PATCH v3 1/1] s390-ccw-virtio: allow for systems larger that 7.999TB
Thu, 14 Dec 2017 14:28:42 +0100
On Thu, 14 Dec 2017 14:26:17 +0100
David Hildenbrand <address@hidden> wrote:
> 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>
Should be already in there :)