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ThinkBeat
on July 13, 2022
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Retbleed: New speculative execution attack sends I...
Is there a way to disengage / opt out of all the mitigations? Several seem to seriously impact performance esp. in aggregate.
If it includes updates to the microcode in the cpu I persume you cant get out of it?
TheWoodsy
on July 13, 2022
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Yes. Boot the kernel with the flag "mitigations=off". Run some benchmarks. It's not nearly as substantial as all the 'fear warriors' makes it out to be.
shepherdjerred
on July 13, 2022
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Microcode is loaded after boot right? I think it can all be disabled. Linux has configurable flags for mitigations.
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If it includes updates to the microcode in the cpu I persume you cant get out of it?