[Xenomai] mmap and domain switch

Hi all, In my project I'm accessing a device using a linux device driver (via sysfs) . In order to speedup the control loop I've mmapped the register i need to read. The question is: If I access a device register using mmap from a xenomai task am i triggering a domain switch ? BR, Giuseppe

[Xenomai] - RTDM and other Linux Kernel Facilities (device tree / sysfs)

Hi all, I finally managed to run a xenomai userspace task on a BeagleBoardBlack with xenomai 2.6.3 on linux 3.8.13, and it works fairly well, but at the moment the kernel driver I use are linux platform driver with the interaction happening via sysfs. So I know that sooner or later the way