RE: [PATCH v1 6/6] intel_iommu: Block migration if cap is updated

2024-03-04 Thread Duan, Zhenzhong
>-Original Message- >From: Prasad Pandit >Subject: Re: [PATCH v1 6/6] intel_iommu: Block migration if cap is updated > >On Mon, 4 Mar 2024 at 13:41, Duan, Zhenzhong > wrote: >> This is to deal with a special case when cold plugged vfio device is >unplugged &g

Re: [PATCH v1 6/6] intel_iommu: Block migration if cap is updated

2024-03-04 Thread Prasad Pandit
On Mon, 4 Mar 2024 at 13:41, Duan, Zhenzhong wrote: > This is to deal with a special case when cold plugged vfio device is unplugged > at runtime, then migration triggers. > > When qemu on source side starts with cold plugged vfio device, vIOMMU qemu -> QEMU > capability/extended capability

RE: [PATCH v1 6/6] intel_iommu: Block migration if cap is updated

2024-03-04 Thread Duan, Zhenzhong
>-Original Message- >From: Prasad Pandit >Subject: Re: [PATCH v1 6/6] intel_iommu: Block migration if cap is updated > >On Wed, 28 Feb 2024 at 15:17, Zhenzhong Duan > wrote: >> When there is VFIO device and vIOMMU cap/ecap is updated based on >host > >

Re: [PATCH v1 6/6] intel_iommu: Block migration if cap is updated

2024-03-03 Thread Prasad Pandit
On Wed, 28 Feb 2024 at 15:17, Zhenzhong Duan wrote: > When there is VFIO device and vIOMMU cap/ecap is updated based on host * cap/ecap -> capability/extended capability registers are updated ... > IOMMU cap/ecap, migration should be blocked. * It'll help to mention why migration should be