Robuta

https://www.pcgamer.com/hardware/processors/new-amd-docs-show-its-next-gen-zen-6-cpus-will-adopt-intels-fred-interrupt-handling-and-could-point-to-a-major-architectural-overhaul/

https://www.mail-archive.com/qemu-devel@nongnu.org/msg1156796.html

https://kernelnewbies.org/KernelHacking-HOWTO/Overview_of_the_Kernel_Source_Code/Internals_of_Interrupt_Handling

https://www.mail-archive.com/kvm@vger.kernel.org/msg123680.html