On 6/19/2025 3:45 PM, Xin Li wrote: > On 6/19/2025 3:15 PM, Sohil Mehta wrote: >> >> I want to say that the event data for IRQ has to be zero until the >> architecture changes — Similar to the /* Reserved, must be 0 */ comment >> in asm_fred_entry_from_kvm(). >> > > FRED spec says: > > For any other event, the event data are not currently defined and will > be zero until they are. > > So "Event data not defined for IRQ thus 0."
I am fine with this. Not *defined* removes the ambiguity.