Messages in this thread | | | Date | Mon, 24 May 2021 13:00:29 +0900 | From | Sergey Senozhatsky <> | Subject | Re: [PATCHv2 1/2] rcu/tree: handle VM stoppage in stall detection |
| |
On (21/05/23 20:46), Paul E. McKenney wrote: > > In theory, yes, sort of, anyway. In practice, highly unlikely. > The most plausible way for this to happen is for this code path to be > delayed for a long time on a 32-bit system, so that jiffies+ULONG_MAX/2 > actually arrives. But in that case, all sorts of other complaints > would happen first.
I see.
> But I could make this a cmpxchg(), if that is what you are getting at.
No, it's good. I was just curious what scenario I was missing.
| |