On Tue, Oct 22, 2024 at 12:13:12AM -0700, Christoph Hellwig wrote:
> On Tue, Oct 22, 2024 at 09:10:18AM +0200, Peter Zijlstra wrote:
> > Ah, well, the thing that got us here is that we (Andrii and me) wanted
> > to use -1 as an 'invalid' value to indicate SRCU is not currently in
> > use.
> >
> > So it all being int is really rather convenient :-)
>
> Then please document that use. Maybe even with a symolic name for
> -1 that clearly describes these uses.
Would this work?
#define SRCU_INVALID_INDEX -1
Whatever the name, maybe Peter and Andrii define this under #ifndef
right now, and we get it into include/linux/srcu.h over time.
Or is there a better way? Or name, for that matter.
Thanx, Paul
