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This patch apparently implements this mitigation: https://support.google.com/faqs/answer/7625886

And once one knows the technical background, one is better positioned to consider the response of Linus Torvalds to the idea that the entire Linux kernel be recompiled for all x86 CPUs with a compiler that implements this.

* https://lkml.org/lkml/2018/1/3/797 (https://news.ycombinator.com/item?id=16066968)

This would be more interesting if the attack that the compiler mitigations was designed for wasn't cross-vendor, cross-architecture.

0 usages of word "fuck"

1 usage of word "shit"

Not bad for Linus.

This is a really good writeup, thanks. I'm curious -- how often are google support faq articles deeply technical like this?

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