Peter Zijlstra <pet...@infradead.org> writes: > On Thu, Dec 22, 2016 at 08:21:23PM +1300, Eric W. Biederman wrote: >> >> And please make the array the last item in the structure so that >> expanding or contracting it does not affect the ability to read the rest >> of the structure. > > Sorry, sample_id must be last, because hysterical crud :/ > > (basically because that was the only way to add a field to records like > PERF_RECORD_MMAP which used the record length to determine the > filename[] length, yes I know, we won't ever do that again).
Why does historical crud need to affect new records? Totally confused. This looks like a major mess. Eric
