The drawback is you have to rewrite some old code. I don't think there's anythin... | Hacker News

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		Dylan16807 on Sept 14, 2022 \| parent \| context \| favorite \| on: About Lockdown Mode The drawback is you have to rewrite some old code. I don't think there's anything else of note. Maybe there are situations where switching permissions is too expensive in an unavoidable way but that borders on chip design problem...

Jweb_Guru on Sept 15, 2022 [–]

My understanding is that trying to execute a page that's been written to is already insanely slow on essentially all modern processors, whether or not they care about security.

tinus_hn on Sept 15, 2022 | [–]

Makes sense, that would conflict with features like branch prediction.

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