Messages in this thread | | | Subject | Re: [PATCH net-next] net: dsa: User per-cpu 64-bit statistics | From | Eric Dumazet <> | Date | Fri, 04 Aug 2017 10:43:12 -0700 |
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On Fri, 2017-08-04 at 10:11 -0700, Eric Dumazet wrote:
> You could add a debug version of u64_stats_update_begin() > > doing > > int ret = atomic_inc((atomic_t *)syncp);
I meant atomic_inc_return() of course.
> > BUG_ON(ret & 1); > > > And u64_stats_update_end() > > int ret = atomic_inc((atomic_t *)syncp); > > BUG_ON(!(ret & 1)); > > > We probably could have a CONFIG_DEBUG_U64_STATS that could be used on > 64bit kernels as well... > > >
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