From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Graf Subject: Re: [v2 PATCH 1/10] rhashtable: Add barrier to ensure we see new tables in walker Date: Sun, 22 Mar 2015 10:47:43 +0000 Message-ID: <20150322104743.GB1185@casper.infradead.org> References: <20150322080330.GA3416@gondor.apana.org.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "David S. Miller" , Eric Dumazet , Patrick McHardy , Josh Triplett , "Paul E. McKenney" , netdev@vger.kernel.org To: Herbert Xu Return-path: Received: from casper.infradead.org ([85.118.1.10]:49943 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751539AbbCVKrp (ORCPT ); Sun, 22 Mar 2015 06:47:45 -0400 Content-Disposition: inline In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: On 03/22/15 at 07:03pm, Herbert Xu wrote: > The walker is a lockless reader so it too needs an smp_rmb before > reading the future_tbl field in order to see any new tables that > may contain elements that we should have walked over. > > Signed-off-by: Herbert Xu Acked-by: Thomas Graf