On Wed, 1 Feb 2023, Marcelo Tosatti wrote: > In preparation to switch vmstat shepherd to flush > per-CPU counters remotely, use a cmpxchg loop > instead of a pair of read/write instructions. You are mixing full atomic cmpxchg and per cpu atomic cmpxchg? That does not work. I thought you would only run this while the kernel is not active on the remote cpu? Then you dont need any cmpxchg and you can leave the function as is.
