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SubjectRe: [PATCH 5/6] driver core: lift dma_default_coherent into common code
On Mon, 8 Feb 2021, Christoph Hellwig wrote:

> > Do you need to have this verified anyhow? I only have a non-coherent 5Kc
> > Malta though.
> If you get a chance to test this logic, that would be great.

I'll try to give it a hit in the next few days then. Installed in my
Malta I have a DEFPA, which is about as serious a DMA user as a piece of
classic PCI hardware could be. I need to debug the issue of another DEFPA
not working with my POWER9 system, possibly due to an IOMMU handling bug
(hopefully not broken host hardware), so I'll take the opportunity and do
it all at once.


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