[dpdk-dev] [PATCH v8 1/3] vfio: revert changes for map contiguous areas in one go

2021-01-14 Thread Nithin Dabilpuram
In order to save DMA entries limited by kernel both for externel memory and hugepage memory, an attempt was made to map physically contiguous memory in one go. This cannot be done as VFIO IOMMU type1 does not support partially unmapping a previously mapped memory region while Heap can request for m

Re: [dpdk-dev] [PATCH v8 1/3] vfio: revert changes for map contiguous areas in one go

2021-04-01 Thread Burakov, Anatoly
On 05-Mar-21 3:50 PM, Nithin Dabilpuram wrote: On Fri, Mar 05, 2021 at 01:54:34PM +, Burakov, Anatoly wrote: On 05-Mar-21 7:50 AM, David Marchand wrote: On Fri, Jan 15, 2021 at 8:33 AM Nithin Dabilpuram wrote: In order to save DMA entries limited by kernel both for externel memory and hu

Re: [dpdk-dev] [PATCH v8 1/3] vfio: revert changes for map contiguous areas in one go

2021-03-04 Thread David Marchand
On Fri, Jan 15, 2021 at 8:33 AM Nithin Dabilpuram wrote: > > In order to save DMA entries limited by kernel both for externel > memory and hugepage memory, an attempt was made to map physically > contiguous memory in one go. This cannot be done as VFIO IOMMU type1 > does not support partially unma

Re: [dpdk-dev] [PATCH v8 1/3] vfio: revert changes for map contiguous areas in one go

2021-03-05 Thread Burakov, Anatoly
On 05-Mar-21 7:50 AM, David Marchand wrote: On Fri, Jan 15, 2021 at 8:33 AM Nithin Dabilpuram wrote: In order to save DMA entries limited by kernel both for externel memory and hugepage memory, an attempt was made to map physically contiguous memory in one go. This cannot be done as VFIO IOMMU

Re: [dpdk-dev] [PATCH v8 1/3] vfio: revert changes for map contiguous areas in one go

2021-03-05 Thread Nithin Dabilpuram
On Fri, Mar 05, 2021 at 01:54:34PM +, Burakov, Anatoly wrote: > On 05-Mar-21 7:50 AM, David Marchand wrote: > > On Fri, Jan 15, 2021 at 8:33 AM Nithin Dabilpuram > > wrote: > > > > > > In order to save DMA entries limited by kernel both for externel > > > memory and hugepage memory, an attemp