AMD's next-gen Zen 6 CPUs will adopt Intel's 'FRED' interrupt handling and could be a major architectural leap

Just bear in mind that Intel's Panther Lake has a bit of FRED, too.
ZDNet

Linus Torvalds on how AMD and Intel are changing how processor interrupts are handled

AMD was the first to come out with its proposed changes in February 2021: AMD Supervisor Entry Extensions. Intel followed in March with its flexible return and event delivery (FRED) design. What ...

AMD's Zen 6 will adopt Intel's FRED to modernize x86 interrupt handling

Every time a computer receives a network packet, completes a disk write, or a user moves the mouse, the processor handles an event known as an ...
Ars Technica

APIC, IRQL and interrupts in Windows

Hi all,<br><br>I was trying to figure out how APIC and IRQL are related, and I can't quite get it organized in my head. So far I have this, which I think is right:<br><br>The PIC used to support up to ...