On Wed, Apr 21, 2021 at 11:19:32AM -0400, Steven Rostedt wrote: > On Tue, 20 Apr 2021 20:13:25 -0700 > Yury Norov <yury.norov@xxxxxxxxx> wrote: > > > @@ -76,6 +76,11 @@ to change, such as less cores in the CPU list, then N and any ranges using N > > will also change. Use the same on a small 4 core system, and "16-N" becomes > > "16-3" and now the same boot input will be flagged as invalid (start > end). > > > > +The special case-tolerant group name "all" has a meaning of selecting all CPUs, > > +such that "isolcpus=all" is the equivalent of "isolcpus=0-N". > > I'm OK with the concept of this patch set, but really? That is a horrible > example. One should NEVER set isolcpus to all! How about "isolcpus=all:2/4"? ;-) Thanx, Paul > -- Steve > > > > + > > +The semantics of "N" and "all" is supported on a level of bitmaps and holds for > > +all users of bitmap_parse(). > >
