From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755895Ab3CaRCg (ORCPT ); Sun, 31 Mar 2013 13:02:36 -0400 Received: from mail-qc0-f170.google.com ([209.85.216.170]:34845 "EHLO mail-qc0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755640Ab3CaRCf (ORCPT ); Sun, 31 Mar 2013 13:02:35 -0400 MIME-Version: 1.0 In-Reply-To: <1364706119.6239.6.camel@buesod1.americas.hpqcorp.net> References: <1363809337-29718-1-git-send-email-riel@surriel.com> <20130321141058.76e028e492f98f6ee6e60353@linux-foundation.org> <20130326192852.GA25899@redhat.com> <20130326124309.077e21a9f59aaa3f3355e09b@linux-foundation.org> <20130329161746.GA8391@redhat.com> <1364609309.1818.8.camel@buesod1.americas.hpqcorp.net> <1364706119.6239.6.camel@buesod1.americas.hpqcorp.net> Date: Mon, 1 Apr 2013 00:02:34 +0700 Message-ID: Subject: Re: ipc,sem: sysv semaphore scalability From: Emmanuel Benisty To: Davidlohr Bueso Cc: Linus Torvalds , Dave Jones , Andrew Morton , Rik van Riel , Linux Kernel Mailing List , hhuang@redhat.com, "Low, Jason" , Michel Lespinasse , Larry Woodman , "Vinod, Chegu" , Peter Hurley Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Davidlohr, On Sun, Mar 31, 2013 at 12:01 PM, Davidlohr Bueso wrote: > Specially dropping the rcu read lock before the continue statement > (sorry for not mentioning this in the last email). I was missing this indeed, thanks. Still the same issues however... I'll do some more testing on the same machine but with a totally different environment, within tomorrow hopefully.