Re: [dpdk-dev] [PATCH] doc: announce change in dma mapping/unmapping

2021-08-31 Thread Ding, Xuan
Hi, > -Original Message- > From: Burakov, Anatoly > Sent: Thursday, August 26, 2021 6:15 PM > To: Richardson, Bruce > Cc: Yigit, Ferruh ; Ding, Xuan > ; dev@dpdk.org; maxime.coque...@redhat.com; Xia, > Chenbo ; Hu, Jiayu ; > techbo...@dpdk.org; David Marchand > Subject: Re: [PATCH] doc:

Re: [dpdk-dev] [PATCH] doc: announce change in dma mapping/unmapping

2021-08-26 Thread Burakov, Anatoly
On 26-Aug-21 11:09 AM, Bruce Richardson wrote: On Thu, Aug 26, 2021 at 10:46:07AM +0100, Burakov, Anatoly wrote: On 26-Aug-21 10:29 AM, Ferruh Yigit wrote: On 8/25/2021 12:47 PM, Burakov, Anatoly wrote: On 25-Aug-21 12:27 PM, Xuan Ding wrote: Currently, the VFIO subsystem will compact adjacen

Re: [dpdk-dev] [PATCH] doc: announce change in dma mapping/unmapping

2021-08-26 Thread Bruce Richardson
On Thu, Aug 26, 2021 at 10:46:07AM +0100, Burakov, Anatoly wrote: > On 26-Aug-21 10:29 AM, Ferruh Yigit wrote: > > On 8/25/2021 12:47 PM, Burakov, Anatoly wrote: > > > On 25-Aug-21 12:27 PM, Xuan Ding wrote: > > > > Currently, the VFIO subsystem will compact adjacent DMA regions for the > > > > pur

Re: [dpdk-dev] [PATCH] doc: announce change in dma mapping/unmapping

2021-08-26 Thread Burakov, Anatoly
On 26-Aug-21 10:29 AM, Ferruh Yigit wrote: On 8/25/2021 12:47 PM, Burakov, Anatoly wrote: On 25-Aug-21 12:27 PM, Xuan Ding wrote: Currently, the VFIO subsystem will compact adjacent DMA regions for the purposes of saving space in the internal list of mappings. This has a side effect of compacti

Re: [dpdk-dev] [PATCH] doc: announce change in dma mapping/unmapping

2021-08-26 Thread Ferruh Yigit
On 8/25/2021 12:47 PM, Burakov, Anatoly wrote: > On 25-Aug-21 12:27 PM, Xuan Ding wrote: >> Currently, the VFIO subsystem will compact adjacent DMA regions for the >> purposes of saving space in the internal list of mappings. This has a >> side effect of compacting two separate mappings that just h

Re: [dpdk-dev] [PATCH] doc: announce change in dma mapping/unmapping

2021-08-25 Thread Burakov, Anatoly
On 25-Aug-21 12:27 PM, Xuan Ding wrote: Currently, the VFIO subsystem will compact adjacent DMA regions for the purposes of saving space in the internal list of mappings. This has a side effect of compacting two separate mappings that just happen to be adjacent in memory. Since VFIO implementatio

[dpdk-dev] [PATCH] doc: announce change in dma mapping/unmapping

2021-08-25 Thread Xuan Ding
Currently, the VFIO subsystem will compact adjacent DMA regions for the purposes of saving space in the internal list of mappings. This has a side effect of compacting two separate mappings that just happen to be adjacent in memory. Since VFIO implementation on IA platforms also does not allow part