Intel Erratum: COVFEFE
by David JonesIMMEDIATE RELEASE
Applies to 64-bit architecture and all steppings in the CHAOS REALM.
COVFEFE
Chaos On oVerflow, FEFE.
The architectural CHAOS OVERFLOW flag is checked,
and if set, the literal FEFE
is combined with ELEMENTS OF CHAOS
using the current VECTOR CHAOS operation.
The result is copied to STATUS register, and to sporadic TLB
entries.
All in-flight instructions are terminated without retirement.
This is a privileged mode instruction and execution in user movfefe