From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Graf Subject: Re: [PATCH 7/9] rhashtable: Per bucket locks & deferred expansion/shrinking Date: Fri, 16 Jan 2015 16:53:02 +0000 Message-ID: <20150116165302.GE15052@casper.infradead.org> References: <75db38bc9313a55cf02a8c36a3376c32b691e5d9.1418647641.git.tgraf@suug.ch> <20150116153415.GF30132@acer.localdomain> <20150116155835.GA15052@casper.infradead.org> <20150116160354.GI30132@acer.localdomain> <20150116161530.GC15052@casper.infradead.org> <20150116163202.GJ30132@acer.localdomain> <063D6719AE5E284EB5DD2968C1650D6D1CACADAF@AcuExch.aculab.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: 'Patrick McHardy' , "davem@davemloft.net" , "netdev@vger.kernel.org" , "herbert@gondor.apana.org.au" , "paulmck@linux.vnet.ibm.com" , "edumazet@google.com" , "john.r.fastabend@intel.com" , "josh@joshtriplett.org" , "netfilter-devel@vger.kernel.org" To: David Laight Return-path: Content-Disposition: inline In-Reply-To: <063D6719AE5E284EB5DD2968C1650D6D1CACADAF@AcuExch.aculab.com> Sender: netdev-owner@vger.kernel.org List-Id: netfilter-devel.vger.kernel.org On 01/16/15 at 04:43pm, David Laight wrote: > The walker is unlikely to see items that get inserted early in the hash > table even without a resize. I don't follow, you have to explain this statement. Walkers which don't want to see duplicates or miss entries should just take the mutex.