On 2022/6/23 10:51, Jerry Snitselaar wrote:
The real problem here is that the iommu sequence ID overflows if
DMAR_UNITS_SUPPORTED is not big enough. This is purely a software
implementation issue, I am not sure whether user opt-in when building a
kernel package could help a lot here.
Is this something that could be figured out when parsing the dmar
table? It looks like currently iommu_refcnt[], iommu_did[], and
dmar_seq_ids[] depend on it.
That's definitely a better solution.
Best regards,
baolu
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
