On Tue, Sep 14, 2021 at 11:10:57AM +0200, Paul Menzel wrote: > Linux 5.15-rc1 still warns about that (also with latest system firmware > 1.1.50).
The reason is most likely that the latest firmware still reports a
different EFR feature set in the IVRS table than the IOMMU reports in
its EFR MMIO register.
Regards,
Joerg
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