Re: [dpdk-dev] [RFC] mempool: add non-IO flag

2021-08-25 Thread Ajit Khaparde
On Wed, Aug 25, 2021 at 1:01 AM Thomas Monjalon wrote: > > +1, I support this idea. > > 12/08/2021 14:43, Dmitry Kozlyuk: > > We propose to add a mempool flag MEMPOOL_F_NON_IO to mark pools of objects > > that > > will not be used with device IO and their memory for DMA. This will allow > > savi

Re: [dpdk-dev] [RFC] mempool: add non-IO flag

2021-08-25 Thread Thomas Monjalon
+1, I support this idea. 12/08/2021 14:43, Dmitry Kozlyuk: > We propose to add a mempool flag MEMPOOL_F_NON_IO to mark pools of objects > that > will not be used with device IO and their memory for DMA. This will allow > saving IOMMU entries by not mapping the memory used by such pools. > > Imm

[dpdk-dev] [RFC] mempool: add non-IO flag

2021-08-12 Thread Dmitry Kozlyuk
We propose to add a mempool flag MEMPOOL_F_NON_IO to mark pools of objects that will not be used with device IO and their memory for DMA. This will allow saving IOMMU entries by not mapping the memory used by such pools. Immediate use case is MLX5 PMD. The hardware has its internal IOMMU where P