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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 28C4DC35254 for ; Thu, 6 Feb 2020 03:26:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 061F020674 for ; Thu, 6 Feb 2020 03:26:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727717AbgBFD0H (ORCPT ); Wed, 5 Feb 2020 22:26:07 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:10276 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727474AbgBFD0G (ORCPT ); Wed, 5 Feb 2020 22:26:06 -0500 Received: from pps.filterd (m0098409.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 0163EM4O118249; Wed, 5 Feb 2020 22:25:36 -0500 Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 2xyphx1566-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 05 Feb 2020 22:25:36 -0500 Received: from m0098409.ppops.net (m0098409.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.36/8.16.0.36) with SMTP id 0163LKY9016276; Wed, 5 Feb 2020 22:25:35 -0500 Received: from ppma02wdc.us.ibm.com (aa.5b.37a9.ip4.static.sl-reverse.com [169.55.91.170]) by mx0a-001b2d01.pphosted.com with ESMTP id 2xyphx155m-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 05 Feb 2020 22:25:35 -0500 Received: from pps.filterd (ppma02wdc.us.ibm.com [127.0.0.1]) by ppma02wdc.us.ibm.com (8.16.0.27/8.16.0.27) with SMTP id 0163Blmv019116; Thu, 6 Feb 2020 03:25:34 GMT Received: from b01cxnp22033.gho.pok.ibm.com (b01cxnp22033.gho.pok.ibm.com [9.57.198.23]) by ppma02wdc.us.ibm.com with ESMTP id 2xykc9hw66-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 06 Feb 2020 03:25:34 +0000 Received: from b01ledav005.gho.pok.ibm.com (b01ledav005.gho.pok.ibm.com [9.57.199.110]) by b01cxnp22033.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 0163PXtR29163848 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 6 Feb 2020 03:25:33 GMT Received: from b01ledav005.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7EA70AE05F; Thu, 6 Feb 2020 03:25:33 +0000 (GMT) Received: from b01ledav005.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 350F1AE05C; Thu, 6 Feb 2020 03:25:24 +0000 (GMT) Received: from LeoBras (unknown [9.85.163.250]) by b01ledav005.gho.pok.ibm.com (Postfix) with ESMTP; Thu, 6 Feb 2020 03:25:23 +0000 (GMT) Message-ID: <760c238043196e0628c8c0eff48a8e938ef539ba.camel@linux.ibm.com> Subject: Re: [PATCH v6 02/11] mm/gup: Use functions to track lockless pgtbl walks on gup_pgd_range From: Leonardo Bras To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Arnd Bergmann , Andrew Morton , "Aneesh Kumar K.V" , Nicholas Piggin , Christophe Leroy , Steven Price , Robin Murphy , Mahesh Salgaonkar , Balbir Singh , Reza Arbab , Thomas Gleixner , Allison Randal , Greg Kroah-Hartman , Mike Rapoport , Michal Suchanek Cc: linux-arch@vger.kernel.org, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, kvm-ppc@vger.kernel.org Date: Thu, 06 Feb 2020 00:25:18 -0300 In-Reply-To: <20200206030900.147032-3-leonardo@linux.ibm.com> References: <20200206030900.147032-1-leonardo@linux.ibm.com> <20200206030900.147032-3-leonardo@linux.ibm.com> Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-5TGq9qc6jmgO8SfflYEA" User-Agent: Evolution 3.34.3 (3.34.3-1.fc31) MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.572 definitions=2020-02-05_06:2020-02-04,2020-02-05 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 priorityscore=1501 mlxscore=0 clxscore=1015 suspectscore=0 phishscore=0 mlxlogscore=918 lowpriorityscore=0 malwarescore=0 adultscore=0 bulkscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2002060023 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-5TGq9qc6jmgO8SfflYEA Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Thu, 2020-02-06 at 00:08 -0300, Leonardo Bras wrote: > gup_pgd_range(addr, end, gup_flags, pages, &nr); > - local_irq_enable(); > + end_lockless_pgtbl_walk(IRQS_ENABLED); > ret =3D nr; > } > =20 Just noticed IRQS_ENABLED is not available on other archs than ppc64. I will fix this for v7. --=-5TGq9qc6jmgO8SfflYEA Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEMdeUgIzgjf6YmUyOlQYWtz9SttQFAl47hx4ACgkQlQYWtz9S ttTS9w/9E7lK8J1xIstn8wQNOKb6Mpalq1gAoAMSwEKVsxtJCgv5GQoVzfi83uzh s6Qq+5ydWu172eeRW66NmQaespclUattqesFf5qhvVnLGpwTbGSPlSF0IWzKr7s9 ofzcAbyqaDh6+DTOestPd3ADSlUZ4HWxOKc5XSi5TyHX0RP9JK/gu26hdvr9oHDI ZU16OrdCAecYyE7/hKY0a+VGRsyZVab3VBWy/6EJdo9Z8bNc/aquHQQ+RkdaB3M/ VtA1A0NUOBcbu+tFKG3Q2yzPQb9/5Ob7m5uG2Oa2f3huyk8FOXySioH4qUHqZAuB 8bZIrD49y3YXZ9sFF4b4eqyDyeutnHAoMa/FBuMPmQW/diiFKhSIvLsiEz4gu1B9 jn04+n0wrnV8wXxe3xUEQ6ooxhCY6UmNSIjlXOewvk/j2E37mZIdaPY5Bx6GlDBM MSXHfcN2LtpRH1FTqH8tZvwYf7JdkspVbbBipLrr8Ba8fGZ3fKcnfIIaOSRd1tvE uTHEgfICZKnzXxPM/tpI3n5kx7PbB6hPFDdtvjA1Vyq3tuA295qNF5fkEmTkvzmg swZfIo4OEGyw3Oh+jsK0PH646dK6jkD17Q7Fe81+BF7uYygxdxBptKUj/GJEnqfU 3ZEFP0bpEMV17eoArkTN5eP4CNvd1VRWagVtnNLWS44WlNvdOxc= =i1Uf -----END PGP SIGNATURE----- --=-5TGq9qc6jmgO8SfflYEA--