Re: [PATCH RFC cpumask 4/5] cpumask: Add "last" alias for cpu list specifications

From: Paul E. McKenney
Date: Thu Jan 07 2021 - 10:33:27 EST


On Thu, Jan 07, 2021 at 03:59:42PM +0100, Peter Zijlstra wrote:
> On Thu, Jan 07, 2021 at 06:47:57AM -0800, Paul E. McKenney wrote:
> > > I don't really see the use of the ranges thing, CPU enumeration just
> > > isn't sane like that. Also, I should really add that randomization pass
> > > to the CPU enumeration :-)
> >
> > Please don't!!!
>
> Why not, the BIOS more or less already does that on a per machine basis
> anyway. Doing it per boot just makes things more reliably screwy ;-)

Fixing BIOS would be much more productive, now wouldn't it?

Thanx, Paul