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tedu honked 14 May 2019 18:11 https://honk.tedunangst.com/u/tedu/h/9x3J3LmvWr8W3ML7Yc
convoy: data:,electrichonkytonk-3N6Ls7c6vw7WNWk1kF

The tower of workarounds is starting to tip over...

> Some processors that enumerate MD_CLEAR support may speculatively execute instructions immediately following VERW. This speculative execution may happen before the speculative instruction pipeline is cleared by the VERW buffer overwrite functionality.

https://software.intel.com/security-software-guidance/insights/deep-dive-intel-analysis-microarchitectural-data-sampling