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. :-/
Thanx, Paul
