From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759819Ab3BNMJG (ORCPT ); Thu, 14 Feb 2013 07:09:06 -0500 Received: from mga11.intel.com ([192.55.52.93]:42787 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759608Ab3BNMJF (ORCPT ); Thu, 14 Feb 2013 07:09:05 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,665,1355126400"; d="scan'208";a="287176516" Message-ID: <511CD3D6.7080102@intel.com> Date: Thu, 14 Feb 2013 20:08:54 +0800 From: Alex Shi User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120912 Thunderbird/15.0.1 MIME-Version: 1.0 To: Michel Lespinasse CC: Ingo Molnar , linux-kernel@vger.kernel.org, anton@samba.org, hpa@zytor.com, arjan@linux.intel.com, a.p.zijlstra@chello.nl, torvalds@linux-foundation.org, yuanhan.liu@linux.intel.com, dhowells@redhat.com, akpm@linux-foundation.org, tglx@linutronix.de Subject: Re: [PATCH 0/4] rwsem: Implement writer lock-stealing References: <1360377937-16297-1-git-send-email-walken@google.com> <511B9B4F.3060404@intel.com> <20130213144932.GA14260@gmail.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 02/14/2013 09:31 AM, Michel Lespinasse wrote: > Alex, could you go through my patch and see if there is anything you > find objectionable ? (if not about the details, at least about the > general approach of enabling writer lock stealing on the fast path) I am still in my lunar new year vacation. I may do a aim7 test for you after back to office. But as to fast path stealing, I didn't see extra benefit on fast path. -- Thanks Alex