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From:   Christoph Hellwig <hch@lst.de>
To:     Horia =?utf-8?Q?Geant=C4=83?= <horia.geanta@nxp.com>
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Subject: Re: swiotlb/caamjr regression (Was: [GIT PULL] (swiotlb)
 stable/for-linus-5.12)
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On Thu, Jun 10, 2021 at 05:52:07PM +0300, Horia Geantă wrote:
> I've noticed the failure also in v5.10 and v5.11 stable kernels,
> since the patch set has been backported.

FYI, there has been a patch on the list that should have fixed this
for about a month:

https://lore.kernel.org/linux-iommu/20210510091816.GA2084@lst.de/T/#m0d0df6490350a08dcc24c9086c8edc165b402d6f

but it seems like it never got picked up.