Linux Returns To Parallel CPU Microcode Updates To Reduce Cloud Disruption

[nivedita]

It's even more surprising that a SMT capable core gets updated per SMT thread i.e. twice - as far as I understand what Michael wrote.

No, only one of the SMT siblings applies the update. What he said is that the patch ensures that the other ones don't try to do the update as well.

[George99]

Ahhh, ok. Thanks for clarify this!