Kernel fix stops tasks hanging forever on muxed I/O regions
A 16-year-old lost-wakeup race left processes unkillable after brief SMBus and similar contention, reachable from ordinary sensor reads.
By oops#scheduling
sched_ext and proxy execution no longer mutually exclusive
BPF schedulers can opt into handling mutex-blocked donors so one kernel can ship both features.
By kexec