Andi Kleen wrote: > BTW I changed my copy sorry. I redid the early PDA support > to not be in assembler. I went to the trouble of making the PDA completely set up before any C code ran. Did you undo that? Andrew mentioned that people have various hacks which hook into mcount, and want to use current/smp_processor_id, which means that that they have to work from the first function prologue. It also simplifies things to get all that set up ASAP so there's no bootstrap dependency problem. J