[ralph87]

This method was talked about since the Spectre/Meltdown days. It has often taken Google much longer to release patches they've been sitting on, e.g. many original containers patches were like this.

[bjornsing]

Why didn’t Intel do it then?

[ralph87]

Do what exactly? This is essentially a performance optimization for folk bagholding oceans of vulnerable hardware

[rurban]

It should work. Who would trust Intel in this?