From: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Date: Sun, 19 Mar 2017 00:47:59 +0800 > Eric Dumazet <eric.dumazet@xxxxxxxxx> wrote: >> On Fri, 2017-03-17 at 07:42 +0000, Reshetova, Elena wrote: >> >>> Should we then first measure the actual numbers to understand what we >>> are talking here about? >>> I would be glad to do it if you suggest what is the correct way to do >>> measurements here to actually reflect the real life use cases. >> >> How have these patches been tested in real life exactly ? >> >> Can you quantify number of added cycles per TCP packet, where I expect >> we have maybe 20 atomic operations in all layers ... > > I completely agree. I think this thing needs to default to the > existing atomic_t behaviour. I totally agree as well, the refcount_t facility as-is is unacceptable for networking.
