No, they reproduced on "Intel (Sandy Bridge, Ivy Bridge, and Haswell) and AMD (P... | Hacker News

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		kmowery on Dec 24, 2014 \| parent \| context \| favorite \| on: Flipping bits in memory without accessing them [pd... No, they reproduced on "Intel (Sandy Bridge, Ivy Bridge, and Haswell) and AMD (Piledriver) systems using a 2GB DDR3 module." (see Section 4) They evict cache lines using the CLFLUSH x86 instruction, which I believe is unprivileged.

dllthomas on Dec 25, 2014 [–]

CLFLUSH is definitely unprivileged - I made use of it on a recent project (evicting outbound messages from a core's cache cut cash misses meaningfully).

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