Received: by 2002:a25:1985:0:0:0:0:0 with SMTP id 127csp3893703ybz; Mon, 20 Apr 2020 11:22:30 -0700 (PDT) X-Google-Smtp-Source: APiQypLjR79gcMRBHAcW+8t/Hr1FFfrTR3JWhfZjwCaHIGN2HXuqhlRG6THa6VMDtUt8pDUfdnOW X-Received: by 2002:a17:906:6050:: with SMTP id p16mr18093497ejj.179.1587406950191; Mon, 20 Apr 2020 11:22:30 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1587406950; cv=none; d=google.com; s=arc-20160816; b=L4g6LGWWYS+nHheLGLDb3n5hl2Qh5+0bHIIxrIU2ywRHDtjvX0cJlfBe2vO8A9RCjL PsvlZ/oWh+ZGJpQT7sOUrPhfuNDzm2SfStha17J6+dTvbGlXeRKMX6vLbwbzm2gkVRCb A7o213FeD0QnmHoG+brEwCV25kKOLe6oI5xXjgWzLG9h0fntgebPD9DN7g5tGWICfoOJ Z8N15NfKVpysFySHJOy7hZxKvzZRbixLHYP6EgeqlOY0d1fhmbGotFF5A7exL1CNec0r HmTe+RoZ6UROUYi3OsEfERN5oxmov+2C7C2rjLDHEMRml2RCWPPxprvUmJjkt8UFIRmB JagQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=QuIWgezP2N6hj71rPIzbG6Obl8hHzVzSMPSsXiwJCsI=; b=NWEH7CLDsPLwpH41tUbXQBcfxyuo1ksdj+7N/gOAJ5T5JIt1owx+mTAWyjQyhx/0VW MG2+jlyq09zntlAIio+62ujxhuKWw/SDfxNJKTyFvFNXf9rVcJ7odRARiUPRw5kwjjGs CQW6zso7lsAz1c+2Mph10kioQThKA4w01HF3DLVSmEoZsgef+vi5zsllT+u+jVim0Nr2 /zHunJ1e6H31028LJmxLnq3i2sEcuh8hYr2TrcHlamAqdkQO0wBhETeGIjV0pjSzR0BE 1cpdp+zThT1LWjspYs5hrn2PqutDvxP68o+7cHBe2z8xe2HpoilRNJjVHqjB/cIz7Mfu Wh9A== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@oracle.com header.s=corp-2020-01-29 header.b=cBB7mGAv; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=oracle.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id r27si141108edc.594.2020.04.20.11.21.42; Mon, 20 Apr 2020 11:22:30 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@oracle.com header.s=corp-2020-01-29 header.b=cBB7mGAv; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=oracle.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726913AbgDTSUN (ORCPT + 99 others); Mon, 20 Apr 2020 14:20:13 -0400 Received: from aserp2120.oracle.com ([141.146.126.78]:51380 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726021AbgDTSUN (ORCPT ); Mon, 20 Apr 2020 14:20:13 -0400 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 03KIIT2L092800; Mon, 20 Apr 2020 18:19:49 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=date : from : to : cc : subject : message-id : references : mime-version : content-type : in-reply-to; s=corp-2020-01-29; bh=QuIWgezP2N6hj71rPIzbG6Obl8hHzVzSMPSsXiwJCsI=; b=cBB7mGAvxJ2V8s5aBFkjjXLjwc8AT3o12QHla3fJLnBxU0k3INOxI3Yg40OApw2TwAC4 58zx7ppDm4KAPQ04PV1a0wn3O5cLSSRx8q5UUzGeCsfjw2RpRb5HMzTD+yVU+m4mZDal nPd+REyB7EHlEWm2Z+iWpD3uP2ZnBqsKE6ZLjdedkOwatIRb4zvYmsMzZpekjFpXJGO1 qW5JCFkLG8G5Pv8tBIJTlWa2Lf78IVVK8sMQt+JFuq5ZFr9qRSbGnO2rP09NQxP9vqDS +qlPekYE3wdDouEAZBfDtX3RAPsyTBV1G2psq0ymHsgrB7V6zqCwynDPDGT4Nekn5U1q Yg== Received: from aserp3020.oracle.com (aserp3020.oracle.com [141.146.126.70]) by aserp2120.oracle.com with ESMTP id 30fsgkrxdx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 20 Apr 2020 18:19:49 +0000 Received: from pps.filterd (aserp3020.oracle.com [127.0.0.1]) by aserp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 03KICOPw060724; Mon, 20 Apr 2020 18:19:48 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserp3020.oracle.com with ESMTP id 30gbbb9eye-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 20 Apr 2020 18:19:48 +0000 Received: from abhmp0009.oracle.com (abhmp0009.oracle.com [141.146.116.15]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 03KIJkEb019234; Mon, 20 Apr 2020 18:19:46 GMT Received: from ca-dmjordan1.us.oracle.com (/10.211.9.48) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 20 Apr 2020 11:19:46 -0700 Date: Mon, 20 Apr 2020 14:19:58 -0400 From: Daniel Jordan To: Michel Lespinasse Cc: Andrew Morton , linux-mm , LKML , Peter Zijlstra , Laurent Dufour , Vlastimil Babka , Matthew Wilcox , Liam Howlett , Jerome Glisse , Davidlohr Bueso , David Rientjes , Hugh Dickins , Ying Han , Jason Gunthorpe , Daniel Jordan Subject: Re: [PATCH v4 06/10] mmap locking API: convert nested write lock sites Message-ID: <20200420181958.vn7l3f5zylhoo7fj@ca-dmjordan1.us.oracle.com> References: <20200415004353.130248-1-walken@google.com> <20200415004353.130248-7-walken@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200415004353.130248-7-walken@google.com> User-Agent: NeoMutt/20180716 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9597 signatures=668686 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 malwarescore=0 suspectscore=0 mlxlogscore=999 adultscore=0 mlxscore=0 phishscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2004200147 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9597 signatures=668686 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 priorityscore=1501 lowpriorityscore=0 mlxlogscore=999 malwarescore=0 clxscore=1015 spamscore=0 bulkscore=0 phishscore=0 suspectscore=0 impostorscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2004200147 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Apr 14, 2020 at 05:43:49PM -0700, Michel Lespinasse wrote: > Add API for nested write locks and convert the few call sites doing that. > > Signed-off-by: Michel Lespinasse Reviewed-by: Daniel Jordan