Does ppc64 or s390x support guest vIOMMU

2024-06-18 Thread Han Han
Hi all, I am trying to implement guest vIOMMU in the testing provision of virtualization at https://github.com/teemtee/tmt/issues/2392#issuecomment-1923047732 . For ppc64 or s390x arch, I don't know whether it supports guest vIOMMU. So does it support that? If supported, how to enable guest vIOMMU

Re: How to stop QEMU punching holes in backing store

2024-06-18 Thread Nir Soffer
On Wed, Jun 5, 2024 at 5:27 PM Justin wrote: > Hi. I'm using QEMU emulator version 5.2.0 on Linux. I am using > thick-provisioned RAW files as the VM backing store. I've found that > QEMU is punching holes in my RAW files (it's replacing some zero > blocks with holes), which means that the number

Re: How to stop QEMU punching holes in backing store

2024-06-18 Thread Justin
Nir Soffer writes: > On Wed, Jun 5, 2024 at 5:27 PM Justin wrote: > > Hi. I'm using QEMU emulator version 5.2.0 on Linux. I am using > thick-provisioned RAW files as the VM backing store. I've found that > QEMU is punching holes in my RAW files (it's replacing some zero > blocks w