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SubjectRe: [PATCH] netns: deinline net_generic()
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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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