Re: [Qemu-devel] [PATCH] s390x: Fence huge pages prior to 3.1

2018-10-01 Thread Cornelia Huck
On Fri, 28 Sep 2018 11:34:35 +0200 Janosch Frank 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

Re: [Qemu-devel] [PATCH] s390x: Fence huge pages prior to 3.1

2018-09-28 Thread David Hildenbrand
On 28/09/2018 11:34, Janosch Frank 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

Re: [Qemu-devel] [PATCH] s390x: Fence huge pages prior to 3.1

2018-09-28 Thread Cornelia Huck
On Fri, 28 Sep 2018 11:34:35 +0200 Janosch Frank 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

[Qemu-devel] [PATCH] s390x: Fence huge pages prior to 3.1

2018-09-28 Thread Janosch Frank
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 supp