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Re: [Qemu-devel] [PATCH] s390x: Fence huge pages prior to 3.1
From: |
Cornelia Huck |
Subject: |
Re: [Qemu-devel] [PATCH] s390x: Fence huge pages prior to 3.1 |
Date: |
Mon, 1 Oct 2018 14:58:09 +0200 |
On Fri, 28 Sep 2018 11:34:35 +0200
Janosch Frank <address@hidden> wrote:
> As the kernel has no way of disallowing the start of a huge page
> backed VM, we can migrate a running huge backed VM to a host that has
> no huge page KVM support.
>
> Let's glue huge page support support to the 3.1 machine, so we do not
> migrate to a destination host that doesn't have QEMU huge page support
> and can stop migration if KVM doesn't indicate support.
>
> Signed-off-by: Janosch Frank <address@hidden>
> ---
> hw/s390x/s390-virtio-ccw.c | 10 ++++++++++
> include/hw/s390x/s390-virtio-ccw.h | 3 +++
> target/s390x/kvm.c | 6 ++++++
> 3 files changed, 19 insertions(+)
Thanks, applied.
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