On 2022-02-04 05:46, Josh Poimboeuf wrote:
Hi all,
We've gotten significant slowdowns on arm64 with 4k pages compared to
64k. The slowdowns can be alleviated by setting iommu.strict=0 or
iommu.passthrough=1.
Is there a reason x86 defaults to lazy iommu, while arm64 does not? Are
there
Hi all,
We've gotten significant slowdowns on arm64 with 4k pages compared to
64k. The slowdowns can be alleviated by setting iommu.strict=0 or
iommu.passthrough=1.
Is there a reason x86 defaults to lazy iommu, while arm64 does not? Are
there security implications which are specific to arm64?
