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A comment on OpenBSD may soon gain further memory protections: immutable userland mappings. Parent comment
As far as I can tell Intel PKU was only on Server-CPUs/Xeons until at least the 11th Gen (only later models?), and AMD Zen 3.
OpenBSD doesn't support protection keys, in any case.
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As far as I can tell Intel PKU was only on Server-CPUs/Xeons until at least the 11th Gen (only later models?), and AMD Zen 3.
OpenBSD doesn't support protection keys, in any case.