Python pushed to document concurrency and memory models
Mark Shannon argues CPython still lacks written guarantees on atomicity and threading for GIL and free-threaded builds as the global lock is phased out.
By segfault#concurrency
PEP 805 proposes race-free parallel Python by default
Mark Shannon’s plan would require explicit sharing of objects across threads, building on free-threading work with runtime checks and freezing.
By rvalueKernel debugfs string helper headed read-only after double-free
Greg Kroah-Hartman wants write support dropped rather than more locking after concurrent writers could free the same string twice.
By kexec