On Fri, Jun 09, 2023 at 03:54:33PM -0700, Paul E. McKenney wrote:
> On Mon, Jun 05, 2023 at 11:29:22PM +0800, Alan Huang wrote:
> > Hi Paul,
> >
> > I noticed this commit 94f01e467566("together/applyrcu: Note possibility of lost counts”) said that:
> >
> > count_unregister_thread() can result in the outgoing thread's counts being lost.
> > This can happen when read_count() is invoked between lines 66 and 68.
> >
> > However, line 66 NULLs the local data, and it has not been published, I don’t think
> > count_unregister_thread() can result in the outgoing thread's counts being lost.
> >
> > Or, am I missing something?
>
> You are missing nothing.
>
> Some days it does not pay to touch the keyboard, and apparently last
> week had at least one of those days. :-/
(And I did revert that change with your Reported-by, in case you were
wondering.)
Thanx, Paul
