From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nivedita Singhvi Subject: Re: [RFC] Use RCU for fib_rules Date: Wed, 31 Mar 2004 12:20:56 -0800 Sender: netdev-bounce@oss.sgi.com Message-ID: <406B2828.7070800@us.ibm.com> References: <20040331112839.02e8d4c2@dell_ss3.pdx.osdl.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: "David S. Miller" , Paul McKenney , netdev@oss.sgi.com Return-path: To: Stephen Hemminger In-Reply-To: <20040331112839.02e8d4c2@dell_ss3.pdx.osdl.net> Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org 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? thanks, Nivedita