On Sun, 2 Jan 2022, Thomas Bogendoerfer wrote: > > DEBUG_SIG is not defined on MIPS, so DEBUGP() is an empty function. > > Additionally, it is unacceptable to printk messages in the normal > > path of signal handling, the system can not work well if DEBUG_SIG > > is defined, so just remove the related code. > > I like to keep this debug aid for now. And it is perhaps worth noting that we have similar developer aids in many places across our code base. Maciej