Messages in this thread |  | | Subject | Re: [PATCH] netns: deinline net_generic() | From | Eric Dumazet <> | Date | Tue, 14 Apr 2015 08:25:26 -0700 |
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On Tue, 2015-04-14 at 17:04 +0200, Denys Vlasenko wrote: > On 04/14/2015 04:21 PM, Eric Dumazet wrote: > > On Tue, 2015-04-14 at 15:57 +0200, Denys Vlasenko wrote: > > > >> My allyesconfig, with BUG_ON's commented out: > >> > > > > Right. But I can tell you nobody uses lockdep on a production kernel. > > > > Here, at Google, we get what I described. > > I'm trying to get to the .config which generates a small function. > > So far, with LOCKDEP off, it is still this big: >
If you read exactly what I wrote, you'll understand that at Google, rcu_read_lock() & rcu_read_unlock() are nop.
Your patch is based on a worst case scenario, and will slow down our use case.
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