904 	u64 ecaps = 0;  in calc_effective_caps()  local
909 			ecaps |= BIT_U64(cap_bit) | scx_caps_implied(BIT_U64(cap_bit));  in calc_effective_caps()
910 	return ecaps;  in calc_effective_caps()
914  * queue_sync_ecaps - Queue ecaps update for a (sch, cid) pair
918  * Queue an ecaps update for @sch's @cid and kick the cpu so that it syncs in
940 /* discard @rq's queued ecaps syncs */
952  * scx_process_sync_ecaps - Sync this cpu's ecaps to pshard->caps[]
956  * pshard->caps[] is the target configuration. pcpu->ecaps is the effective
977 	 * ecaps are zeroed while the cpu is inactive and must stay zero.  in scx_process_sync_ecaps()
998 		u64 old, ecaps, lost, gained;  in scx_process_sync_ecaps()  local
1005 		old = READ_ONCE(pcpu->ecaps);  in scx_process_sync_ecaps()
1006 		ecaps = calc_effective_caps(ps, cid);  in scx_process_sync_ecaps()
1007 		WRITE_ONCE(pcpu->ecaps, ecaps);  in scx_process_sync_ecaps()
1009 		lost = old & ~ecaps;  in scx_process_sync_ecaps()
1010 		gained = ecaps & ~old;  in scx_process_sync_ecaps()
1023 		if (ecaps != pcpu->reported_ecaps &&  in scx_process_sync_ecaps()
1032 				    pcpu->reported_ecaps, ecaps);  in scx_process_sync_ecaps()
1035 			pcpu->reported_ecaps = ecaps;  in scx_process_sync_ecaps()
1054 	 * against the effective caps and thus must come after the ecaps sync.  in scx_process_sync_ecaps()
1061  * scx_unbypass_replay_ecaps - Replay a bypass-suppressed ecaps notification
1081 	/* root holds every cap and never uses ecaps */  in scx_unbypass_replay_ecaps()
1085 	if (READ_ONCE(pcpu->ecaps) == pcpu->reported_ecaps)  in scx_unbypass_replay_ecaps()
1096  * A cpu came back. Re-seed each sub-sched's ecaps on the cpu's cid. The sync
1106 	 * Only a live hierarchy can have ecaps to reseed. This also keeps the  in scx_online_ecaps()
1123 		/* root holds every cap and never uses ecaps */  in scx_online_ecaps()
1134  * A cpu is going down. Zero each sub-sched's in-effect ecaps so cap checks
1151 		/* root holds every cap and never uses ecaps */  in scx_offline_ecaps()
1155 		WRITE_ONCE(per_cpu_ptr(pos->pcpu, cpu)->ecaps, 0);  in scx_offline_ecaps()
1209  * scx_discard_stale_ecaps_syncs - Discard ecaps syncs from earlier schedulers
1213  * still-open link fd defers it) and can leave queued ecaps syncs behind.
2248 	 * its inserts would only be rejected. ecaps are synced at the top of  in scx_bpf_sub_dispatch()