ttm_eu_backoff_reservation
EXPORT_SYMBOL(ttm_eu_backoff_reservation);
ttm_eu_backoff_reservation(ticket, &val_list);
ttm_eu_backoff_reservation(ticket, &val_list);
ttm_eu_backoff_reservation(&ctx->ticket, &ctx->bo_list);
void ttm_eu_backoff_reservation(struct ww_acquire_ctx *ticket,