[redcalx]

> The Skylake/Kaby hyperthread bug has been fixed in microcode and is no longer applicable. It's perfectly safe to run HT on these processors now.

Only if you can actually get the fix. My main home PC has this bug and the motherboard manufacturer (ASUS) has yet to ship a BIOS update with the fix.

[paulmd]

Your OS can deliver a microcode fixup that's installed at OS startup, Windows should do it automatically and Linux you just need to install the intel-microcode package.