From patchwork Sun Aug 4 22:48:49 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: john.hubbard@gmail.com X-Patchwork-Id: 11076179 Return-Path: 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 50B3B14E5 for ; Mon, 5 Aug 2019 07:35:13 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 39A4D28774 for ; Mon, 5 Aug 2019 07:35:13 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2AF7D287B6; Mon, 5 Aug 2019 07:35:13 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 9F27928774 for ; Mon, 5 Aug 2019 07:35:12 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D9BFA6E294; Mon, 5 Aug 2019 07:34:50 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-pf1-x442.google.com (mail-pf1-x442.google.com [IPv6:2607:f8b0:4864:20::442]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2F4C389DE1; Sun, 4 Aug 2019 22:49:32 +0000 (UTC) Received: by mail-pf1-x442.google.com with SMTP id u14so38616157pfn.2; Sun, 04 Aug 2019 15:49:32 -0700 (PDT) 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=51+On65LrNSvXr2lp5EjmvkWwZiof+VzaE7I05DxrV4=; b=e0bWTOS1fNsTUOzDLKoPL7Q40/G6j2B0DjSlOdXYc91vLQWxh9iXLEuIc5MSqWIwou yAmSIJv5Kgjuvr+gTIKwBYYEsVNm7iCm+JCOQsgQIin/+YE990kecIjwMb9VZf6F1ber QfGhr1krSOAkEiXtU3JV8FmW545Qgm34uxJ5/nLN6TqhXjiVWWbs+6470ove2l+RYtS5 JdeFfCKjD+RLZ1p18k5m14Gr/4eSGgbnYg0JJpGfr1UxLJYakRFaGFH3wra/ta0IkFRa GPpU+VFvAiKgN4RAY+F8WvI/lUnn8Lolc+ZthGu2NcnmlFdkvPzJ+ncQ7TEtO+4HsIyC ddEQ== X-Gm-Message-State: APjAAAWLJSOxNYoSndyngmddr+QBFIKpz4ESiPzcM6Sja+TgboqBiv1I vGl8Gj6h6aJKAfZDUczp5ms= X-Google-Smtp-Source: APXvYqwvBDogXJUfkkciG6MhUnx/OJ8ZeMIFfpBlRE5wKf4uSOTmFfk+/5+dEgtOxTw0423kYep5pg== X-Received: by 2002:a17:90a:384d:: with SMTP id l13mr15518641pjf.86.1564958971827; Sun, 04 Aug 2019 15:49:31 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.30 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:31 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Subject: [PATCH v2 08/34] media/ivtv: convert put_page() to put_user_page*() Date: Sun, 4 Aug 2019 15:48:49 -0700 Message-Id: <20190804224915.28669-9-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Mon, 05 Aug 2019 07:34:45 +0000 X-Mailman-Original-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=51+On65LrNSvXr2lp5EjmvkWwZiof+VzaE7I05DxrV4=; b=QsDIsK9f5PFinVSypvUnfmtXaz3kPWnYRiMB+PRzxsxoVwE1/PGQPLzli5akhJljj8 QOVfD3ESRzP4SmFLgRw8ezjrLknuphEkET2wTeMPtNXVFRvcIEp8+hl2krxX0FhUKmfA FRVi5e/1Sd4ss6uRAZ/WTu2/Fdxsq5+uVpAz9kYcpHza4AYNfJ0v5Fv4Qq1jCOLlPy1H nf4XWPgdgkGPokpib4Th3GTGYdM/mIIHrXhq16b9yHFMzXKgGdn6k4irDUbg4quFTiHg KhiWe4DxW1uTVha/j+uVAZq73ruzBvFGvmOtPz78/ybeCNmcmkWr/Nh3pU4xyYgYNctD P1LQ== X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?utf-8?b?SsOpcsO0bWUgR2xpc3Nl?= , linux-rpi-kernel@lists.infradead.org, Dan Williams , Mauro Carvalho Chehab , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, Andy Walls , netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Andy Walls Cc: Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org Signed-off-by: John Hubbard --- drivers/media/pci/ivtv/ivtv-udma.c | 14 ++++---------- drivers/media/pci/ivtv/ivtv-yuv.c | 11 +++-------- 2 files changed, 7 insertions(+), 18 deletions(-) diff --git a/drivers/media/pci/ivtv/ivtv-udma.c b/drivers/media/pci/ivtv/ivtv-udma.c index 5f8883031c9c..7c7f33c2412b 100644 --- a/drivers/media/pci/ivtv/ivtv-udma.c +++ b/drivers/media/pci/ivtv/ivtv-udma.c @@ -92,7 +92,7 @@ int ivtv_udma_setup(struct ivtv *itv, unsigned long ivtv_dest_addr, { struct ivtv_dma_page_info user_dma; struct ivtv_user_dma *dma = &itv->udma; - int i, err; + int err; IVTV_DEBUG_DMA("ivtv_udma_setup, dst: 0x%08x\n", (unsigned int)ivtv_dest_addr); @@ -119,8 +119,7 @@ int ivtv_udma_setup(struct ivtv *itv, unsigned long ivtv_dest_addr, IVTV_DEBUG_WARN("failed to map user pages, returned %d instead of %d\n", err, user_dma.page_count); if (err >= 0) { - for (i = 0; i < err; i++) - put_page(dma->map[i]); + put_user_pages(dma->map, err); return -EINVAL; } return err; @@ -130,9 +129,7 @@ int ivtv_udma_setup(struct ivtv *itv, unsigned long ivtv_dest_addr, /* Fill SG List with new values */ if (ivtv_udma_fill_sg_list(dma, &user_dma, 0) < 0) { - for (i = 0; i < dma->page_count; i++) { - put_page(dma->map[i]); - } + put_user_pages(dma->map, dma->page_count); dma->page_count = 0; return -ENOMEM; } @@ -153,7 +150,6 @@ int ivtv_udma_setup(struct ivtv *itv, unsigned long ivtv_dest_addr, void ivtv_udma_unmap(struct ivtv *itv) { struct ivtv_user_dma *dma = &itv->udma; - int i; IVTV_DEBUG_INFO("ivtv_unmap_user_dma\n"); @@ -170,9 +166,7 @@ void ivtv_udma_unmap(struct ivtv *itv) ivtv_udma_sync_for_cpu(itv); /* Release User Pages */ - for (i = 0; i < dma->page_count; i++) { - put_page(dma->map[i]); - } + put_user_pages(dma->map, dma->page_count); dma->page_count = 0; } diff --git a/drivers/media/pci/ivtv/ivtv-yuv.c b/drivers/media/pci/ivtv/ivtv-yuv.c index cd2fe2d444c0..2c61a11d391d 100644 --- a/drivers/media/pci/ivtv/ivtv-yuv.c +++ b/drivers/media/pci/ivtv/ivtv-yuv.c @@ -30,7 +30,6 @@ static int ivtv_yuv_prep_user_dma(struct ivtv *itv, struct ivtv_user_dma *dma, struct yuv_playback_info *yi = &itv->yuv_info; u8 frame = yi->draw_frame; struct yuv_frame_info *f = &yi->new_frame_info[frame]; - int i; int y_pages, uv_pages; unsigned long y_buffer_offset, uv_buffer_offset; int y_decode_height, uv_decode_height, y_size; @@ -81,8 +80,7 @@ static int ivtv_yuv_prep_user_dma(struct ivtv *itv, struct ivtv_user_dma *dma, uv_pages, uv_dma.page_count); if (uv_pages >= 0) { - for (i = 0; i < uv_pages; i++) - put_page(dma->map[y_pages + i]); + put_user_pages(&dma->map[y_pages], uv_pages); rc = -EFAULT; } else { rc = uv_pages; @@ -93,8 +91,7 @@ static int ivtv_yuv_prep_user_dma(struct ivtv *itv, struct ivtv_user_dma *dma, y_pages, y_dma.page_count); } if (y_pages >= 0) { - for (i = 0; i < y_pages; i++) - put_page(dma->map[i]); + put_user_pages(dma->map, y_pages); /* * Inherit the -EFAULT from rc's * initialization, but allow it to be @@ -112,9 +109,7 @@ static int ivtv_yuv_prep_user_dma(struct ivtv *itv, struct ivtv_user_dma *dma, /* Fill & map SG List */ if (ivtv_udma_fill_sg_list (dma, &uv_dma, ivtv_udma_fill_sg_list (dma, &y_dma, 0)) < 0) { IVTV_DEBUG_WARN("could not allocate bounce buffers for highmem userspace buffers\n"); - for (i = 0; i < dma->page_count; i++) { - put_page(dma->map[i]); - } + put_user_pages(dma->map, dma->page_count); dma->page_count = 0; return -ENOMEM; }