> __iowrite32_copy() is marked __visible. I don't actually know what > that does and Andi's d47d5c8194579bc changelog (which sucks the big > one) didn't explain it. Apparently it has something to do with being > implemented in assembly, but zillions of functions are implemented in > assembly, so why are only two functions marked this way? Anyway, > __ioread32_copy() is implemented in C so I guess __visible isn't needed > there. __visible is needed for C functions that are called from assembler. Otherwise the compiler may optimize them away. -Andi
