On Sun, Mar 05, 2023 at 10:37:02AM -0300, Marcelo Tosatti wrote: > Goal is to have vmstat_shepherd to transfer from > per-CPU counters to global counters remotely. For this, > an atomic this_cpu_cmpxchg is necessary. > > Following the kernel convention for cmpxchg/cmpxchg_local, > change x86's this_cpu_cmpxchg_ helpers to be atomic. > and add this_cpu_cmpxchg_local_ helpers which are not atomic. Urgh.. much hate for this. this_cpu_*() is local, per definition, always.
