On Thu, 17 Mar 2016, Peter Zijlstra wrote: > On Thu, Mar 17, 2016 at 12:39:46PM +0100, Thomas Gleixner wrote: > > But we have to clarify and document whether holes in cpu_possible_mask are > > not > > allowed at all or if code like the above is simply broken. > > So the general rule is that cpumasks can have holes, and exempting one > just muddles the water. > > Therefore I'd call the code just plain broken.
Agreed. That macro is not really helping the readability of the code at all. So a simple for_each_possible_cpu() loop would have avoided that wreckage. Thanks, tglx