PCIe MSI Interrupt latency on x86

PCIe MSI Interrupt latency on x86

PCIe MSI Interrupt latency on x86 I have been using MSI / MSI-X interrupts for quite some time for my FPGA-Based designs with plenty of various DMAs. They have been serving well over the years and I have never encountered any errors except for rare cases where I...
Linux Kernel driver development for Zynq / ZynqMP

Linux Kernel driver development for Zynq / ZynqMP

When I started to learn how to write linux kernel drivers, the very first suggestion was to avoid writing them. I dont have the same recommendation for anybody – writing linux kernel drivers requires some additional knowledge, precision and patience, but its not...