RE: [EXTERNAL] Re: [PATCH 05/12] net: mana: Set the DMA device max page size

Long Li
2022-05-19T00:54:11Z

> Subject: Re: [EXTERNAL] Re: [PATCH 05/12] net: mana: Set the DMA device max
> page size
>
> On Wed, May 18, 2022 at 09:05:22PM +0000, Ajay Sharma wrote:
>
> > Use the ib_umem_find_best_pgsz() and rdma_for_each_block() API when
> > registering an MR instead of coding it in the driver.
>
> The dma_set_max_seg_size() has *nothing* to do with
> ib_umem_find_best_pgsz() other than its value should be larger than the largest
> set bit.
>
> Again, it is supposed to be the maximum value the HW can support in a ib_sge
> length field, which is usually 2G.

Will fix this in v2.

Long