Locality levels and bus control

Date: 2023-09-14 10:33 am (UTC)
From: (Anonymous)
What's the actual protection against anything but the CPU asserting a locality level? Why can't the firmware exert control over the SPI bus?
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Matthew Garrett

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Power management, mobile and firmware developer on Linux. Security developer at Aurora. Ex-biologist. [personal profile] mjg59 on Twitter. Content here should not be interpreted as the opinion of my employer. Also on Mastodon.

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