Message ID | 20190807013340.9706-14-jhubbard@nvidia.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <linux-nfs-owner@kernel.org> Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A1AF513AC for <patchwork-linux-nfs@patchwork.kernel.org>; Wed, 7 Aug 2019 01:40:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 92BF128837 for <patchwork-linux-nfs@patchwork.kernel.org>; Wed, 7 Aug 2019 01:40:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 85EED2888B; Wed, 7 Aug 2019 01:40:31 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 258CD28837 for <patchwork-linux-nfs@patchwork.kernel.org>; Wed, 7 Aug 2019 01:40:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729130AbfHGBeI (ORCPT <rfc822;patchwork-linux-nfs@patchwork.kernel.org>); Tue, 6 Aug 2019 21:34:08 -0400 Received: from mail-pf1-f193.google.com ([209.85.210.193]:46215 "EHLO mail-pf1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729017AbfHGBeG (ORCPT <rfc822;linux-nfs@vger.kernel.org>); Tue, 6 Aug 2019 21:34:06 -0400 Received: by mail-pf1-f193.google.com with SMTP id c3so19358460pfa.13; Tue, 06 Aug 2019 18:34:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=34zW6BJN89MycamN6XZc+aPi3iIpUXsyW4mngm2d11Q=; b=o1iMd41+ccZkK09IMPd2AYRK2nxxj4luxr/oXYf1r5zvl1rB+5Njvw5+yOF9jzdNKW 0sOvnAPF3Qav8GrCrICbMqDOV9qASg1Kx51KsLT3kM/WuvVdMW7XrY8CvDI8Q5dEWx12 oQbwqpjSWiFbIsNFbcpYcVrmKluAqCipM9FxALoNB6s3X2SZRLlz53JQRsVYPh0pH9nV Kc9qcjAV7p7rTzqe2/MHBF1cE8sJ8msPeJl3VFMqaq2A+nfaaBpGi8bFHG/baDlwWEny MHNVdhC+ELal559VaRapllf9o6PzvZgYyIKj0wGmpTTu6N66MHuYIC1lBVMp4ydMH/rt +u0Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=34zW6BJN89MycamN6XZc+aPi3iIpUXsyW4mngm2d11Q=; b=DqR2KJ0VRCG9poFvInCRpThf7Qq7hpTtH9YTLzRJrmJeG4z5tzCRfnm9OmPjv6CuH8 EtuDpE79clvIchhhaEWew6Kw6H43wI44UdVrjr2Jd+Cv7mg7Z4RmNgzI2kzjG03EuFme xJOk616q3uxS0FU8caf7RJKTHYWFJXV5k++t2p8sx4Cn9K9/mGiARgiYzWOBF1Jpg+5J WqE82ltvrO1HviEyO6um18Ub8Gxpigt5k22wWhD8lq6o98iR8+fjjXpeTVCSTlbgnvjO UCotqswGuBv6+JK/eRfi+YlixkqaYC1eIQBwpUaHPefdoTWx2SV10H24jCDiitwQhuDj GpzQ== X-Gm-Message-State: APjAAAUNLBbYucWSEY5jAKdb4Go5HTNb26iq75pEtTbB0vncKLJGJbNi 3mCqkh8iMmiz5W5WZwh9pp0= X-Google-Smtp-Source: APXvYqwDlo4CFJorDrBurduwUa2oSyS2Jx2b29d9K5TbsKnQqNAY6ckzALOmtrds4Hd5oSsH/O3vaA== X-Received: by 2002:a17:90a:1b0c:: with SMTP id q12mr6044962pjq.76.1565141645264; Tue, 06 Aug 2019 18:34:05 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u69sm111740800pgu.77.2019.08.06.18.34.03 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Tue, 06 Aug 2019 18:34:04 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton <akpm@linux-foundation.org> Cc: Christoph Hellwig <hch@infradead.org>, Dan Williams <dan.j.williams@intel.com>, Dave Chinner <david@fromorbit.com>, Dave Hansen <dave.hansen@linux.intel.com>, Ira Weiny <ira.weiny@intel.com>, Jan Kara <jack@suse.cz>, Jason Gunthorpe <jgg@ziepe.ca>, =?utf-8?b?SsOpcsO0?= =?utf-8?b?bWUgR2xpc3Nl?= <jglisse@redhat.com>, LKML <linux-kernel@vger.kernel.org>, amd-gfx@lists.freedesktop.org, ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, devel@lists.orangefs.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-block@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-media@vger.kernel.org, linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-rdma@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-xfs@vger.kernel.org, netdev@vger.kernel.org, rds-devel@oss.oracle.com, sparclinux@vger.kernel.org, x86@kernel.org, xen-devel@lists.xenproject.org, John Hubbard <jhubbard@nvidia.com>, Sudeep Dutt <sudeep.dutt@intel.com>, Ashutosh Dixit <ashutosh.dixit@intel.com>, Arnd Bergmann <arnd@arndb.de>, Joerg Roedel <jroedel@suse.de>, Robin Murphy <robin.murphy@arm.com>, Zhen Lei <thunder.leizhen@huawei.com> Subject: [PATCH v3 13/41] scif: convert put_page() to put_user_page*() Date: Tue, 6 Aug 2019 18:33:12 -0700 Message-Id: <20190807013340.9706-14-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190807013340.9706-1-jhubbard@nvidia.com> References: <20190807013340.9706-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Content-Transfer-Encoding: 8bit Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: <linux-nfs.vger.kernel.org> X-Mailing-List: linux-nfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP |
Series |
put_user_pages(): miscellaneous call sites
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expand
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diff --git a/drivers/misc/mic/scif/scif_rma.c b/drivers/misc/mic/scif/scif_rma.c index 01e27682ea30..d84ed9466920 100644 --- a/drivers/misc/mic/scif/scif_rma.c +++ b/drivers/misc/mic/scif/scif_rma.c @@ -113,13 +113,14 @@ static int scif_destroy_pinned_pages(struct scif_pinned_pages *pin) int writeable = pin->prot & SCIF_PROT_WRITE; int kernel = SCIF_MAP_KERNEL & pin->map_flags; - for (j = 0; j < pin->nr_pages; j++) { - if (pin->pages[j] && !kernel) { + if (kernel) { + for (j = 0; j < pin->nr_pages; j++) { if (writeable) - SetPageDirty(pin->pages[j]); + set_page_dirty_lock(pin->pages[j]); put_page(pin->pages[j]); } - } + } else + put_user_pages_dirty_lock(pin->pages, pin->nr_pages, writeable); scif_free(pin->pages, pin->nr_pages * sizeof(*pin->pages)); @@ -1385,11 +1386,9 @@ int __scif_pin_pages(void *addr, size_t len, int *out_prot, if (ulimit) __scif_dec_pinned_vm_lock(mm, nr_pages); /* Roll back any pinned pages */ - for (i = 0; i < pinned_pages->nr_pages; i++) { - if (pinned_pages->pages[i]) - put_page( - pinned_pages->pages[i]); - } + put_user_pages(pinned_pages->pages, + pinned_pages->nr_pages); + prot &= ~SCIF_PROT_WRITE; try_upgrade = false; goto retry;