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

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> 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




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