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A comment on The Sad Saga of Purism and the Librem 5. Parent comment

Re:The Sad Saga of Purism and the Librem 5 by mondoshawan on Monday October 28, 2019 @10:24AM (#21377276)
No iommu on the imx8mq.
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Re:The Sad Saga of Purism and the Librem 5 by moosingin3space on Monday October 28, 2019 @02:32PM (#21380027)
That's unfortunate, since an IOMMU is an excellent solution to this kind of problem, especially when one considers all the potential Linux USB stack vulnerabilities that can be exploited if you assume the modem is untrustworthy.
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