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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, 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 0985AC33CB1 for ; Wed, 15 Jan 2020 15:26:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D3F062467D for ; Wed, 15 Jan 2020 15:26:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="kHpvzbDY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729107AbgAOP0I (ORCPT ); Wed, 15 Jan 2020 10:26:08 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:50548 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726483AbgAOP0I (ORCPT ); Wed, 15 Jan 2020 10:26:08 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=l2WBiCb5duYJRA9nKpihqrJOH1Qjg6utSrFiu8qAdtc=; b=kHpvzbDYrkkUL3cc6cAeI5E40 ZM4+K5yaMP71I4XDs4NUIgcsDzecXQdTVQOI9UytyY4m6+JLlmCUKImi6/dR6L0pfsC4d/T3wdp6O MiH8oMX11mdJxpFGhOL7MY3IiaLtrvOA39N0TisTI5sK4J7NubFbUAjuMwaWVei004tfkvfbrpAij WTdPFX3eGuXTIlhNJQiA3RF5rEAKjEdpqrrh5f1fKjYLIoyd1CXYcnXJpOIhCKF5zP2Ta6n7nspuK beARcZPMIHEiIKJBTW/sqFRg/NbSX1PMvzETS5fO9gFel4MAap2iKW4+78ZJA1pxuRM3jK5szGNmG Rhb44UCRQ==; Received: from hch by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1irkYK-0000mL-Dn; Wed, 15 Jan 2020 15:25:52 +0000 Date: Wed, 15 Jan 2020 07:25:52 -0800 From: Christoph Hellwig To: John Hubbard Cc: Andrew Morton , Al Viro , Alex Williamson , Benjamin Herrenschmidt , =?iso-8859-1?Q?Bj=F6rn_T=F6pel?= , Christoph Hellwig , Dan Williams , Daniel Vetter , Dave Chinner , David Airlie , "David S . Miller" , Ira Weiny , Jan Kara , Jason Gunthorpe , Jens Axboe , Jonathan Corbet , =?iso-8859-1?B?Suly9G1l?= Glisse , "Kirill A . Shutemov" , Magnus Karlsson , Mauro Carvalho Chehab , Michael Ellerman , Michal Hocko , Mike Kravetz , Paul Mackerras , Shuah Khan , Vlastimil Babka , bpf@vger.kernel.org, dri-devel@lists.freedesktop.org, kvm@vger.kernel.org, linux-block@vger.kernel.org, linux-doc@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-media@vger.kernel.org, linux-rdma@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, netdev@vger.kernel.org, linux-mm@kvack.org, LKML , Christoph Hellwig , Leon Romanovsky Subject: Re: [PATCH v12 08/22] mm/gup: allow FOLL_FORCE for get_user_pages_fast() Message-ID: <20200115152552.GD19546@infradead.org> References: <20200107224558.2362728-1-jhubbard@nvidia.com> <20200107224558.2362728-9-jhubbard@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200107224558.2362728-9-jhubbard@nvidia.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Looks good, Reviewed-by: Christoph Hellwig 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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, 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 B31C8C33CB1 for ; Wed, 15 Jan 2020 15:34:25 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 65EAE2053B for ; Wed, 15 Jan 2020 15:34:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="kHpvzbDY" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 65EAE2053B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 47yWb30Gm4zDqNW for ; Thu, 16 Jan 2020 02:34:23 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=bombadil.srs.infradead.org (client-ip=2607:7c80:54:e::133; helo=bombadil.infradead.org; envelope-from=batv+a740523ab06c27116664+5988+infradead.org+hch@bombadil.srs.infradead.org; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=bombadil.20170209 header.b=kHpvzbDY; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 47yWPb361bzDqQs for ; Thu, 16 Jan 2020 02:26:11 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=l2WBiCb5duYJRA9nKpihqrJOH1Qjg6utSrFiu8qAdtc=; b=kHpvzbDYrkkUL3cc6cAeI5E40 ZM4+K5yaMP71I4XDs4NUIgcsDzecXQdTVQOI9UytyY4m6+JLlmCUKImi6/dR6L0pfsC4d/T3wdp6O MiH8oMX11mdJxpFGhOL7MY3IiaLtrvOA39N0TisTI5sK4J7NubFbUAjuMwaWVei004tfkvfbrpAij WTdPFX3eGuXTIlhNJQiA3RF5rEAKjEdpqrrh5f1fKjYLIoyd1CXYcnXJpOIhCKF5zP2Ta6n7nspuK beARcZPMIHEiIKJBTW/sqFRg/NbSX1PMvzETS5fO9gFel4MAap2iKW4+78ZJA1pxuRM3jK5szGNmG Rhb44UCRQ==; Received: from hch by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1irkYK-0000mL-Dn; Wed, 15 Jan 2020 15:25:52 +0000 Date: Wed, 15 Jan 2020 07:25:52 -0800 From: Christoph Hellwig To: John Hubbard Subject: Re: [PATCH v12 08/22] mm/gup: allow FOLL_FORCE for get_user_pages_fast() Message-ID: <20200115152552.GD19546@infradead.org> References: <20200107224558.2362728-1-jhubbard@nvidia.com> <20200107224558.2362728-9-jhubbard@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200107224558.2362728-9-jhubbard@nvidia.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Michal Hocko , Jan Kara , kvm@vger.kernel.org, linux-doc@vger.kernel.org, David Airlie , Dave Chinner , dri-devel@lists.freedesktop.org, LKML , linux-mm@kvack.org, Paul Mackerras , linux-kselftest@vger.kernel.org, Ira Weiny , Christoph Hellwig , Jonathan Corbet , linux-rdma@vger.kernel.org, Christoph Hellwig , Jason Gunthorpe , Vlastimil Babka , =?iso-8859-1?Q?Bj=F6rn_T=F6pel?= , linux-media@vger.kernel.org, Shuah Khan , linux-block@vger.kernel.org, Leon Romanovsky , =?iso-8859-1?B?Suly9G1l?= Glisse , Al Viro , "Kirill A . Shutemov" , Dan Williams , Mauro Carvalho Chehab , bpf@vger.kernel.org, Magnus Karlsson , Jens Axboe , netdev@vger.kernel.org, Alex Williamson , Daniel Vetter , linux-fsdevel@vger.kernel.org, Andrew Morton , linuxppc-dev@lists.ozlabs.org, "David S . Miller" , Mike Kravetz Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Looks good, Reviewed-by: Christoph Hellwig