Does disabling hyperthreading in BIOS cause <HTT> to disappear from CPU features in dmesg.boot? Or does it only affect "Logical CPUs per core:"?
Also, does the "Logical CPUs per core:" message require booting an SMP-aware kernel? (Since the multiproc enumeration only takes place after these messages and the ACPI APIC table brand echo).
This is on 6.3