> > +static inline bool
> > +pmd_perf_metrics_enabled(const struct dp_netdev_pmd_thread *pmd)
> > +{
> > + /* If stores and reads of 64-bit integers are not atomic, the
> > + * full PMD performance metrics are not available as locked
> > + * access to 64 bit integers would be prohibitively expensive. */
> > + if (sizeof(uint64_t) > sizeof(void *)) {
> > + return false;
> > + }
>
> I think you need to use ATOMIC_LLONG_LOCK_FREE or ATOMIC_ALWAYS_LOCK_FREE_8B
> macro here instead of manual pointer checking.
I was looking for such a macro available through the ovs_atomic.h header but
didn't find one.
Will try the ones you propose.
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