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=-8.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 57946C33C8C for ; Tue, 7 Jan 2020 17:34:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2C0C6222D9 for ; Tue, 7 Jan 2020 17:34:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578418490; bh=mYOnDccLJOpjVPcS+X/VPzoBs3Qeivek+7YeFnBVqz8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=QiY8XVm9yhztYSU7k3vPAOaH4EaPAqaRLJz6qES/3GnMSEERodY/6zlPI1Bx3TJQV CTbqcXyfSrZEpUSMQLVszfKOg+U5Qf6hBUl04d7p9VGHGvqcV4QNYw1tNOtwNj2f4e YWAQD9csNRA3pXHdCniOHisPWZV9ScSkgzqKamE8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728523AbgAGRet (ORCPT ); Tue, 7 Jan 2020 12:34:49 -0500 Received: from mail.kernel.org ([198.145.29.99]:43304 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728344AbgAGRet (ORCPT ); Tue, 7 Jan 2020 12:34:49 -0500 Received: from willie-the-truck (236.31.169.217.in-addr.arpa [217.169.31.236]) (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 22ED6208C4; Tue, 7 Jan 2020 17:34:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578418488; bh=mYOnDccLJOpjVPcS+X/VPzoBs3Qeivek+7YeFnBVqz8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=QAPDps5pzi7g1eWJYBnFAZEV92ChvLING+8qKDeAsM9pQfj2b4uN51+L+hLamPNdu NrfaW2BB9rjFYdBSfNgudGwq5LRmL7KAQZk/FHVvV644/uxWAMk3OkI1FkxUvZuCyL B8Vw0b1PVRHNtBJi1XSi+LxNqIjODrNIQnOIo2q8= Date: Tue, 7 Jan 2020 17:34:43 +0000 From: Will Deacon To: Waiman Long Cc: Peter Zijlstra , Ingo Molnar , Will Deacon , Thomas Gleixner , Borislav Petkov , linux-kernel@vger.kernel.org, Konstantin Ryabitsev Subject: Re: [PATCH v2] locking/qspinlock: Fix inaccessible URL of MCS lock paper Message-ID: <20200107173443.GB32009@willie-the-truck> References: <20200107151619.20802-1-longman@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200107151619.20802-1-longman@redhat.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jan 07, 2020 at 10:16:19AM -0500, Waiman Long wrote: > It turns out that the URL of the MCS lock paper listed in the source > code is no longer accessible. I did got question about where the paper > was. This patch updates the URL to BZ 206115 which contains a copy of > the paper from > > https://www.cs.rochester.edu/u/scott/papers/1991_TOCS_synch.pdf > > Signed-off-by: Waiman Long > --- > kernel/locking/qspinlock.c | 5 ++--- > 1 file changed, 2 insertions(+), 3 deletions(-) > > diff --git a/kernel/locking/qspinlock.c b/kernel/locking/qspinlock.c > index 2473f10c6956..ce75b2270b58 100644 > --- a/kernel/locking/qspinlock.c > +++ b/kernel/locking/qspinlock.c > @@ -31,10 +31,9 @@ > /* > * The basic principle of a queue-based spinlock can best be understood > * by studying a classic queue-based spinlock implementation called the > - * MCS lock. The paper below provides a good description for this kind > - * of lock. > + * MCS lock. A copy of the original MCS lock papaer is available at s/papaer/paper/ I think I reviewed the previous patch as you sent this version, but please could you reword as suggested here [1]? Cheers, Will [1] https://lore.kernel.org/lkml/20200107172343.GA32009@willie-the-truck/T/#m0f9eaf53e509b87d0f6378e35514c9b120d8edc2