Re: [LSF/MM/BPF proposal]: Physr discussion

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On 1/23/23 11:47, Bart Van Assche wrote:
> On 1/23/23 05:44, Jason Gunthorpe wrote:
>> I've gone from quite a different starting point - I've been working
>> DMA API upwards, so what does the dma_map_XX look like, what APIs do
>> we need to support the dma_map_ops implementations to iterate/etc, how
>> do we form and return the dma mapped list, how does P2P, with all the
>> checks, actually work, etc. These help inform what we want from the
>> "phyr" as an API.
> 
> I'm interested in this topic. I'm wondering whether eliminating 
> scatterlists could help to make the block layer faster.
> 
> Thanks,
> 
> Bart.
> 

I think it will be very interesting to discuss this in great detail
and come up with the plan.

+1 from me.

-ck





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