On Thu, 12 May 2016, Peter Zijlstra wrote: > Ah.. which might be a hint that nobody is actually explicitly testing > for this and we might just get away with changing the ABI. > > Vince, what say you; shall we try and get away with it? ;-) It's probably worth trying. The only other time anyone else noticed was in this thread https://lkml.org/lkml/2015/6/11/136 and I think the conclusion at the end of that was also that it's probably worth changing. Vince