Re: [RFC] Use RCU for fib_rules

[Stephen Hemminger <shemminger@xxxxxxxx>]

On Wed, 31 Mar 2004 12:20:56 -0800
Nivedita Singhvi <niv@xxxxxxxxxx> wrote:

> Stephen Hemminger wrote:
> 
> > The IP forwarding rules, uses rwlock when it could use RCU.
> > Don't know if this would help or hurt the recent discussions about
> > large rulesets and DOS attacks.
> > 
> > Also, it increases the size of fib_rule slightly.
> 
> Stephen,
> 
> Any benchmarks or perf tests that quantify the gain here?

No, don't have enough rules or load in this area to cause an impact.
But also, I don't have the test environment to really stress this
(ie 1000's of rules).