On Sat, 15 Mar 2025, Marco Crivellari wrote: > diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S > index a572ce36a24f..4e012421d00f 100644 > --- a/arch/mips/kernel/genex.S > +++ b/arch/mips/kernel/genex.S > @@ -104,27 +104,30 @@ handle_vcei: > > __FINIT > > - .align 5 /* 32 byte rollback region */ > + .align 5 > LEAF(__r4k_wait) > .set push > .set noreorder > - /* start of rollback region */ > - LONG_L t0, TI_FLAGS($28) > - nop > - andi t0, _TIF_NEED_RESCHED > - bnez t0, 1f > - nop > - nop > - nop > -#ifdef CONFIG_CPU_MICROMIPS > - nop > - nop > - nop > - nop > -#endif > + /* Start of idle interrupt region. */ > + MFC0 t0, CP0_STATUS > + /* Enable interrupt. */ > + ori t0, 0x1f This instruction sequence still suffers from the coprocessor move delay hazard. How many times do I need to request to get it fixed (counting three so far)? Maciej
