From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0AD99C43381 for ; Thu, 14 Feb 2019 17:50:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C37BC222DC for ; Thu, 14 Feb 2019 17:50:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1550166657; bh=fz9GLtRieNevMSmqHd4JSbDJIUHSkA+6kBZiddKM/vI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=T/7S5eqU2Q97fhdjhj/Wceq4y8YogmLCDhz42OjNvVSiWUr/zeSlLTuKUpKlObxRF 6nQ8/0ujJR38FcG1AgWn5eIuEh4MsONi+9kpUkOe+0rrALXsgBGcAttTN11Sq62hmp mgVmZ/U/HCmoH0UqdC3Iwyg1gDDFUiHbQBAUT4F0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404238AbfBNRu4 (ORCPT ); Thu, 14 Feb 2019 12:50:56 -0500 Received: from mail.kernel.org ([198.145.29.99]:37428 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725966AbfBNRu4 (ORCPT ); Thu, 14 Feb 2019 12:50:56 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3C711222DA; Thu, 14 Feb 2019 17:50:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1550166655; bh=fz9GLtRieNevMSmqHd4JSbDJIUHSkA+6kBZiddKM/vI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=xlSmNa/8tXSOofz54cShr69sie7XGSMx1VBrFxIH+FOfpVUzHCo9OtOdT0fsFxUXb BYa6M7h6SLnxtxBWS+/WB7rPb7KDGi24+TFzWIYcbFJOT6SnOR+trCVr3c9HP/QC7g 3IAW00lm7M24Rcs8xv6ghx1rXS5r6I2LZcoXDcQM= Date: Thu, 14 Feb 2019 18:50:53 +0100 From: Greg Kroah-Hartman To: Hugo Lefeuvre Cc: devel@driverdev.osuosl.org, Todd Kjos , Greg Hartman , Alistair Strachan , linux-kernel@vger.kernel.org, Arve =?iso-8859-1?B?SGr4bm5lduVn?= , Joel Fernandes , Martijn Coenen , Christian Brauner Subject: Re: [PATCH] staging/android: use multiple futex wait queues Message-ID: <20190214175053.GA11103@kroah.com> References: <20190214173459.GA10737@behemoth.owl.eu.com.local> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190214173459.GA10737@behemoth.owl.eu.com.local> User-Agent: Mutt/1.11.3 (2019-02-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Feb 14, 2019 at 06:34:59PM +0100, Hugo Lefeuvre wrote: > Use multiple per-offset wait queues instead of one big wait queue per > region. > > Signed-off-by: Hugo Lefeuvre Have you tested this? Noticed any performance speedups or slow downs? thanks, greg k-h