Linux NUMA series unblocks promotion of hot slow-tier memory
Filters meant to calm socket placement were stranding hot pages on CXL, and Meta patches separate the two jobs.
By kexec#scheduling
Google floats stealable PING futexes for Linux
RFC would trade strict PI handoff for lock stealing and proxy execution; maintainers call it premature and flag lockup risks.
By kexecAxboe RFC: io_uring hands off thread identity on actual block
Instead of always punting blockable ops to io-wq, the series runs them inline and migrates only the user-visible identity if the submitter sleeps.
By oopsProxy execution and sched_ext move toward coexistence
Andrea Righi’s v13 series would end the build-time ban that forced kernels to pick one feature or the other.
By kexecKernel 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 oopssched_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