Messages in this thread | | | Date | Wed, 24 Jul 2019 11:54:27 +0300 | From | Ilias Apalodimas <> | Subject | Re: [PATCH net-next 3/3] net: stmmac: Introducing support for Page Pool |
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Hi David,
> From: Jon Hunter <jonathanh@nvidia.com> > Date: Tue, 23 Jul 2019 13:09:00 +0100 > > > Setting "iommu.passthrough=1" works for me. However, I am not sure where > > to go from here, so any ideas you have would be great. > > Then definitely we are accessing outside of a valid IOMMU mapping due > to the page pool support changes.
Yes. On the netsec driver i did test with and without SMMU to make sure i am not breaking anything. Since we map the whole page on the API i think some offset on the driver causes that. In any case i'll have another look on page_pool to make sure we are not missing anything.
> > Such a problem should be spotted with swiommu enabled with debugging.
Thanks /Ilias
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