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Memory Integrity Enforcement

(security.apple.com)
458 points circuit | 1 comments | 09 Sep 25 18:25 UTC | HN request time: 0s | source
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rdtsc ◴[09 Sep 25 20:22 UTC] No.45188340[source]▶
1988 called and wants it memory tagging back https://www.devever.net/~hl/ppcas !

But yeah this was support for a the longest time by IBM basically. It's nice to see it's getting more widespread.

replies(4): >>45188645 #>>45188846 #>>45189034 #>>45190594 #
1. strcat ◴[09 Sep 25 22:57 UTC] No.45190594[source]▶
SPARC ADI was a predecessor to ARM MTE. ARM MTE has been available and used in production for several years now. ADI is also 4 bit but with 64 byte granularity rather than 16 byte.