Re: [PATCH 33/40] vdpa: batch multiple dma_unmap to a single call for vm stop

2024-01-14 Thread Jason Wang
On Fri, Dec 8, 2023 at 2:51 AM Si-Wei Liu wrote: > > Should help live migration downtime on source host. Below are the > coalesced dma_unmap time series on 2 queue pair config (no > dedicated descriptor group ASID for SVQ). It's better to explain how we can batch into a single call (e.g do we

Re: [PATCH 33/40] vdpa: batch multiple dma_unmap to a single call for vm stop

2023-12-13 Thread Eugenio Perez Martin
On Thu, Dec 7, 2023 at 7:51 PM Si-Wei Liu wrote: > > Should help live migration downtime on source host. Below are the > coalesced dma_unmap time series on 2 queue pair config (no > dedicated descriptor group ASID for SVQ). > > 109531@1693367276.853503:vhost_vdpa_reset_device dev: 0x55c933926890

[PATCH 33/40] vdpa: batch multiple dma_unmap to a single call for vm stop

2023-12-07 Thread Si-Wei Liu
Should help live migration downtime on source host. Below are the coalesced dma_unmap time series on 2 queue pair config (no dedicated descriptor group ASID for SVQ). 109531@1693367276.853503:vhost_vdpa_reset_device dev: 0x55c933926890 109531@1693367276.853513:vhost_vdpa_add_status dev: