From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753555AbbIAMqx (ORCPT ); Tue, 1 Sep 2015 08:46:53 -0400 Received: from orbit.nwl.cc ([176.31.251.142]:47150 "EHLO mail.nwl.cc" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752858AbbIAMqv (ORCPT ); Tue, 1 Sep 2015 08:46:51 -0400 Date: Tue, 1 Sep 2015 14:46:48 +0200 From: Phil Sutter To: Herbert Xu Cc: tgraf@suug.ch, davem@davemloft.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, fengguang.wu@intel.com, wfg@linux.intel.com, lkp@01.org Subject: Re: [PATCH 2/3] rhashtable-test: retry insert operations in threads Message-ID: <20150901124648.GA27550@orbit.nwl.cc> Mail-Followup-To: Herbert Xu , tgraf@suug.ch, davem@davemloft.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, fengguang.wu@intel.com, wfg@linux.intel.com, lkp@01.org References: <20150829090701.GN20760@orbit.nwl.cc> <20150830074717.GA25396@gondor.apana.org.au> <20150831110012.GO20760@orbit.nwl.cc> <20150901114300.GB12691@gondor.apana.org.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150901114300.GB12691@gondor.apana.org.au> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 01, 2015 at 07:43:00PM +0800, Herbert Xu wrote: > On Mon, Aug 31, 2015 at 01:00:12PM +0200, Phil Sutter wrote: > > > > The variable would be used to track if the worker has failed to allocate > > memory in background. > > > > Since the failing insertion will be retried, subsequent inserts are not > > necessary unrelated. > > If an insertion fails it is never retried. The only thing that is > retried is the expansion of the table. So I have no idea what > you are talking about. This is not an inherent behaviour of the implementation but general agreement. The insertion may fail non-permanently (returning -EBUSY), users are expected to handle this by retrying the operation. Cheers, Phil