On Tue, Jan 14, 2025, Valentin Schneider wrote: > static __always_inline void arch_context_tracking_work(enum ct_work work) > { > switch (work) { > - case CT_WORK_n: > - // Do work... > + case CT_WORK_SYNC: > + sync_core(); Not your bug, but serialize() needs to be __always_inline. Not sure what exactly caused it to be uninlined, but this is the obvious new usage. vmlinux.o: warning: objtool: __static_call_update_early+0x4e: call to serialize() leaves .noinstr.text section vmlinux.o: warning: objtool: ct_work_flush+0x69: call to serialize() leaves .noinstr.text section