Rootless uspace preempt-rt (rebase of #918, fixes for #3928)#3964

Draft

grandixximo wants to merge 43 commits intoLinuxCNC:masterfrom

grandixximo:nosetuid

Commits on Apr 26, 2026

Commits on Apr 27, 2026

Makefile: add setcap target for rootless uspace builds
Luca Toniolo
committed
hm2_eth: skip iptables setup when unprivileged
Luca Toniolo
committed
rtapi: make rtapi_is_realtime() a SCHED_FIFO success probe
Luca Toniolo
committed
udev: rules for rootless Mesa HostMot2 PCI and /dev/cpu_dma_latency
Luca Toniolo
committed
rtapi: always attempt mlockall, do not gate on rlim_max
Luca Toniolo
committed
Use TEMP_FAILURE_RETRY() to handle EINTR properly

dwrobel
authored and
Luca Toniolo
committed
rtapi: make harden_rt() rootless-safe
Luca Toniolo
committed
rtapi: warn on stock kernel, gate Xenomai/RTAI on setuid
Luca Toniolo
committed
hm2_eth: Fully cleanup iptables

Hannes Diethelm
authored and
Luca Toniolo
committed
rtapi: raise CAP_NET_ADMIN into ambient set, diagnose realtime fallback
Luca Toniolo
committed
hm2_eth: install iptables and ip6tables rules directly
Luca Toniolo
committed
debian: add libcap-dev build dep
Luca Toniolo
committed
rootless: incr_mem_usage()

dwrobel
authored and
Luca Toniolo
committed
rootless: incr_io_usage()

dwrobel
authored and
Luca Toniolo
committed
Remove direct usage of inb(), outb()

dwrobel
authored and
Luca Toniolo
committed