regulation of cyclin-dependent protein serine/threonine kinase activity involved in G2/M transition of mitotic cell cycle(GO:0031660) positive regulation of cyclin-dependent protein serine/threonine kinase activity involved in G2/M transition of mitotic cell cycle(GO:0031662) response to DDT(GO:0046680) histone H3-S10 phosphorylation involved in chromosome condensation(GO:2000775)