Re: [PATCH v4 12/15] vfio/common: Support device dirty page tracking with vIOMMU

2023-09-08 Thread Joao Martins
On 08/09/2023 12:52, Duan, Zhenzhong wrote: > On 9/8/2023 6:11 PM, Joao Martins wrote: >> On 08/09/2023 07:11, Duan, Zhenzhong wrote: >>> Hi Joao, >>> >>> On 6/23/2023 5:48 AM, Joao Martins wrote: Currently, device dirty page tracking with vIOMMU is not supported, and a blocker is added a

Re: [PATCH v4 12/15] vfio/common: Support device dirty page tracking with vIOMMU

2023-09-08 Thread Duan, Zhenzhong
On 9/8/2023 6:11 PM, Joao Martins wrote: On 08/09/2023 07:11, Duan, Zhenzhong wrote: Hi Joao, On 6/23/2023 5:48 AM, Joao Martins wrote: Currently, device dirty page tracking with vIOMMU is not supported, and a blocker is added and the migration is prevented. When vIOMMU is used, IOVA ranges

Re: [PATCH v4 12/15] vfio/common: Support device dirty page tracking with vIOMMU

2023-09-08 Thread Joao Martins
On 08/09/2023 07:11, Duan, Zhenzhong wrote: > Hi Joao, > > On 6/23/2023 5:48 AM, Joao Martins wrote: >> Currently, device dirty page tracking with vIOMMU is not supported, >> and a blocker is added and the migration is prevented. >> >> When vIOMMU is used, IOVA ranges are DMA mapped/unmapped on th

Re: [PATCH v4 12/15] vfio/common: Support device dirty page tracking with vIOMMU

2023-09-07 Thread Duan, Zhenzhong
Hi Joao, On 6/23/2023 5:48 AM, Joao Martins wrote: Currently, device dirty page tracking with vIOMMU is not supported, and a blocker is added and the migration is prevented. When vIOMMU is used, IOVA ranges are DMA mapped/unmapped on the fly as requesting by the vIOMMU. These IOVA ranges can po

Re: [PATCH v4 12/15] vfio/common: Support device dirty page tracking with vIOMMU

2023-07-10 Thread Joao Martins
On 09/07/2023 16:24, Avihai Horon wrote: > On 23/06/2023 0:48, Joao Martins wrote: >> Currently, device dirty page tracking with vIOMMU is not supported, >> and a blocker is added and the migration is prevented. >> >> When vIOMMU is used, IOVA ranges are DMA mapped/unmapped on the fly as >> request

Re: [PATCH v4 12/15] vfio/common: Support device dirty page tracking with vIOMMU

2023-07-09 Thread Avihai Horon
On 23/06/2023 0:48, Joao Martins wrote: External email: Use caution opening links or attachments Currently, device dirty page tracking with vIOMMU is not supported, and a blocker is added and the migration is prevented. When vIOMMU is used, IOVA ranges are DMA mapped/unmapped on the fly as r

[PATCH v4 12/15] vfio/common: Support device dirty page tracking with vIOMMU

2023-06-22 Thread Joao Martins
Currently, device dirty page tracking with vIOMMU is not supported, and a blocker is added and the migration is prevented. When vIOMMU is used, IOVA ranges are DMA mapped/unmapped on the fly as requesting by the vIOMMU. These IOVA ranges can potentially be mapped anywhere in the vIOMMU IOVA space