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Google: Our brilliant Spectre fix dodges performance hit, so you should all use it

Google wants the whole industry to adopt its Retpoline fixes for Variant 2 of the Meltdown-Spectre bugs.
That fix, called Retpoline, addresses Variant 2 of the two Spectre CPU attacks called 'branch target injection'.
Variant 2 is considered by Microsoft and Google to be the trickiest speculative execution vulnerability to fix as it's the only one that does cause a significant hit on CPU performance.

Google: Our brilliant Spectre fix dodges performance hit, so you should all use it

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ZDnet | Security
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