dbg_release_bp_slot 250 arch/x86/kernel/kgdb.c dbg_release_bp_slot(*pevent); dbg_release_bp_slot 265 arch/x86/kernel/kgdb.c if (dbg_release_bp_slot(*pevent)) dbg_release_bp_slot 80 include/linux/hw_breakpoint.h extern int dbg_release_bp_slot(struct perf_event *bp);