--- zzzz-none-000/linux-4.9.218/arch/mips/kernel/smp-mt.c 2020-04-02 15:20:41.000000000 +0000 +++ seale-7590ax-750/linux-4.9.218/arch/mips/kernel/smp-mt.c 2023-03-29 10:59:06.000000000 +0000 @@ -203,8 +203,8 @@ /* restart */ write_tc_c0_tcrestart((unsigned long)&smp_bootstrap); - /* enable the tc this vpe/cpu will be running */ - write_tc_c0_tcstatus((read_tc_c0_tcstatus() & ~TCSTATUS_IXMT) | TCSTATUS_A); + /* enable the tc this vpe/cpu will be running & allow DSP instructions */ + write_tc_c0_tcstatus((read_tc_c0_tcstatus() & ~TCSTATUS_IXMT) | TCSTATUS_A | TCSTATUS_TMX); write_tc_c0_tchalt(0);