From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754093Ab0AEC0z (ORCPT ); Mon, 4 Jan 2010 21:26:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753280Ab0AEC0z (ORCPT ); Mon, 4 Jan 2010 21:26:55 -0500 Received: from mail-vw0-f192.google.com ([209.85.212.192]:44595 "EHLO mail-vw0-f192.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753157Ab0AEC0y convert rfc822-to-8bit (ORCPT ); Mon, 4 Jan 2010 21:26:54 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=TIhsKSMjnneNn7SoqY4bHnRU6e53+tAJSHhOs8l2YK98IVECbtSqg8BJsAL/zRo3Ad nwhnq73i/qDLj3WeGmRDUYhfFXLmoFYrTnCzL9r0DdrWHvs/EzGuzhd2vCDSNKSFploN PdFmvVWN9SLUceHKlpqcwtEyLfc4jCOBcMgOw= MIME-Version: 1.0 In-Reply-To: <20100104182429.833180340@chello.nl> References: <20100104182429.833180340@chello.nl> Date: Tue, 5 Jan 2010 11:26:52 +0900 Message-ID: <28c262361001041826h6a63af37s4d8f88208a387ead@mail.gmail.com> Subject: Re: [RFC][PATCH 0/8] Speculative pagefault -v3 From: Minchan Kim To: Peter Zijlstra Cc: "Paul E. McKenney" , Peter Zijlstra , KAMEZAWA Hiroyuki , "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , cl@linux-foundation.org, "hugh.dickins" , Nick Piggin , Ingo Molnar , Linus Torvalds Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Peter. On Tue, Jan 5, 2010 at 3:24 AM, Peter Zijlstra wrote: > Patch series implementing speculative page faults for x86. > > Still needs lots of things sorted, like: > >  - call_srcu() >  - ptl, irq and tlb-flush >  - a 2nd VM_FAULT_LOCK? return code to distuinguish between >    simple retry and must take mmap_sem semantics? > > Comments? > -- > > I looked over this patch series. This series are most neat in things I have ever seen. If we solve call_srcu problem, it would be good. I will help you test this series in my machine to work well. -- Kind regards, Minchan Kim From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail191.messagelabs.com (mail191.messagelabs.com [216.82.242.19]) by kanga.kvack.org (Postfix) with SMTP id E9D526005A4 for ; Mon, 4 Jan 2010 21:26:53 -0500 (EST) Received: by vws12 with SMTP id 12so5730703vws.12 for ; Mon, 04 Jan 2010 18:26:52 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <20100104182429.833180340@chello.nl> References: <20100104182429.833180340@chello.nl> Date: Tue, 5 Jan 2010 11:26:52 +0900 Message-ID: <28c262361001041826h6a63af37s4d8f88208a387ead@mail.gmail.com> Subject: Re: [RFC][PATCH 0/8] Speculative pagefault -v3 From: Minchan Kim Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Sender: owner-linux-mm@kvack.org To: Peter Zijlstra Cc: "Paul E. McKenney" , Peter Zijlstra , KAMEZAWA Hiroyuki , "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , cl@linux-foundation.org, "hugh.dickins" , Nick Piggin , Ingo Molnar , Linus Torvalds List-ID: Hi, Peter. On Tue, Jan 5, 2010 at 3:24 AM, Peter Zijlstra wro= te: > Patch series implementing speculative page faults for x86. > > Still needs lots of things sorted, like: > > =C2=A0- call_srcu() > =C2=A0- ptl, irq and tlb-flush > =C2=A0- a 2nd VM_FAULT_LOCK? return code to distuinguish between > =C2=A0 =C2=A0simple retry and must take mmap_sem semantics? > > Comments? > -- > > I looked over this patch series. This series are most neat in things I have ever seen. If we solve call_srcu problem, it would be good. I will help you test this series in my machine to work well. --=20 Kind regards, Minchan Kim -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org