Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030333Ab2EPNo4 (ORCPT ); Wed, 16 May 2012 09:44:56 -0400 Received: from mga11.intel.com ([192.55.52.93]:20928 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S967473Ab2EPNou (ORCPT ); Wed, 16 May 2012 09:44:50 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.71,315,1320652800"; d="scan'208";a="153623906" Message-ID: <4FB3AF46.8090309@intel.com> Date: Wed, 16 May 2012 21:44:38 +0800 From: Alex Shi User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:9.0) Gecko/20111229 Thunderbird/9.0 MIME-Version: 1.0 To: Peter Zijlstra CC: Nick Piggin , tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, arnd@arndb.de, rostedt@goodmis.org, fweisbec@gmail.com, jeremy@goop.org, riel@redhat.com, luto@mit.edu, avi@redhat.com, len.brown@intel.com, dhowells@redhat.com, fenghua.yu@intel.com, borislav.petkov@amd.com, yinghai@kernel.org, ak@linux.intel.com, cpw@sgi.com, steiner@sgi.com, akpm@linux-foundation.org, penberg@kernel.org, hughd@google.com, rientjes@google.com, kosaki.motohiro@jp.fujitsu.com, n-horiguchi@ah.jp.nec.com, tj@kernel.org, oleg@redhat.com, axboe@kernel.dk, jmorris@namei.org, kamezawa.hiroyu@jp.fujitsu.com, viro@zeniv.linux.org.uk, linux-kernel@vger.kernel.org, yongjie.ren@intel.com, linux-arch@vger.kernel.org Subject: Re: [PATCH v5 6/7] x86/tlb: optimizing flush_tlb_mm References: <1337072138-8323-1-git-send-email-alex.shi@intel.com> <1337072138-8323-7-git-send-email-alex.shi@intel.com> <4FB2590C.1050303@intel.com> <1337092577.27694.45.camel@twins> <1337093840.27694.56.camel@twins> <4FB34D49.1060809@intel.com> <1337155239.27694.131.camel@twins> In-Reply-To: <1337155239.27694.131.camel@twins> 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 Content-Length: 627 Lines: 15 > Now IF you're going to change the tlb interface like this, you're going > to get to do it for all architectures, along with a sane benchmark to > show its beneficial to track ranges like this. > > But as it stands, people are still questioning the validity of your > mprotect micro-bench, so no, you don't get to change the tlb interface. Yes, sure. You are definitely right! -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/