From patchwork Wed Feb 13 14:05:20 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: kernel test robot via dri-devel X-Patchwork-Id: 10811997 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 4C3E21399 for ; Thu, 14 Feb 2019 08:22:57 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3BD772D8BD for ; Thu, 14 Feb 2019 08:22:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2FB612D8C9; Thu, 14 Feb 2019 08:22:57 +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,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 DAA6D2D8C6 for ; Thu, 14 Feb 2019 08:22:56 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 86C2D89DB9; Thu, 14 Feb 2019 08:22:49 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-pl1-x641.google.com (mail-pl1-x641.google.com [IPv6:2607:f8b0:4864:20::641]) by gabe.freedesktop.org (Postfix) with ESMTPS id 864966E3F2 for ; Wed, 13 Feb 2019 14:01:02 +0000 (UTC) Received: by mail-pl1-x641.google.com with SMTP id s1so1196830plp.9 for ; Wed, 13 Feb 2019 06:01:02 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition:user-agent; bh=wsI5nOykFSX6S7SyN92+LRaxG3yXSZXxVHkiaYJTa/M=; b=R3gveRGcgNRkHXCyShp5x+09PyNad62Uua1Q4C1wCrf+lFj8YmZoiVdNJtVThtyhul NmLeksaByvdpVAyj08EtNzmujua6hTQ2wVSbJ/kbaXRSyWkxJzgY3cjQMfGrxUISxg1X Qz0Qic7mB6ku52/U6sh/hmHPjciHlEvUQeMTC4jlObWW0zS4a7fbL5Ec4aTdzbsp/ut9 xXlbtxb+0Ja8MagB0taIvZcqvyzfFN0HlB0Doo6mT3H31v7IvJti0uXXKwygk0UzjbkJ UXGj9BkR1/bBmYguyHXQCo3+1LfiMBpaQZQ0hzdbiLA8L8cb2LS0JfyretZKf10XZmi7 CbKQ== X-Gm-Message-State: AHQUAuZ4oeMIhchdGcd+AxOBJlotcplfbtDZendq8AexBMrqed0HBac5 Ayl7UYbJKgfBCte64sB1MjKHRbcs X-Google-Smtp-Source: AHgI3Ibm0TTd/gAqweslKR095bYfBxZMG3ZrVdI1TDAsasHXYl9RczcsJBx08hZyBa/705vkTwMYUg== X-Received: by 2002:a17:902:346:: with SMTP id 64mr650376pld.337.1550066462186; Wed, 13 Feb 2019 06:01:02 -0800 (PST) Received: from jordon-HP-15-Notebook-PC ([49.207.48.54]) by smtp.gmail.com with ESMTPSA id w65sm18734568pfb.23.2019.02.13.06.01.00 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 13 Feb 2019 06:01:01 -0800 (PST) Date: Wed, 13 Feb 2019 19:35:20 +0530 To: akpm@linux-foundation.org, willy@infradead.org, mhocko@suse.com, oleksandr_andrushchenko@epam.com, airlied@linux.ie, linux@armlinux.org.uk, robin.murphy@arm.com Subject: [PATCH v3 5/9] drm/xen/xen_drm_front_gem.c: Convert to use vm_map_pages() Message-ID: <20190213140520.GA22029@jordon-HP-15-Notebook-PC> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Mailman-Approved-At: Thu, 14 Feb 2019 08:22:46 +0000 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:mime-version:content-disposition :user-agent; bh=wsI5nOykFSX6S7SyN92+LRaxG3yXSZXxVHkiaYJTa/M=; b=a3NB43+TY8+WgWQevWmth0jDcxyBS/n2gAoDY2YZP49uixFVqF9mvLnqWGduB6Va/H feQh5HfmgXevrSsUjZhdngnb/naX2abIqktrI2KmmPQ8oNpgax5etRPOVTOOFtAOb1YG zhhHS9mNeuWvPEeHM5vcn+7gTBoWwJ0R+XoaM8QBfMA+CTM2NXjJVl6JImLxquz6l9Fl BtCPxnokINBzCCKtI+vM8SJ03eMGBK4CKngpr1xjCKL7zP2xXkcut5n3iNwAMAKrAb7P epNaoBisfUaCTj5Cg8+sPkYrY82yZ+MPAE/klZurmQjZ9YF6Q78A1sMJks+f4FhOgCiO J+WA== 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: , X-Patchwork-Original-From: Souptick Joarder via dri-devel From: kernel test robot via dri-devel Reply-To: Souptick Joarder Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, xen-devel@lists.xen.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Convert to use vm_map_pages() to map range of kernel memory to user vma. Signed-off-by: Souptick Joarder Reviewed-by: Oleksandr Andrushchenko --- drivers/gpu/drm/xen/xen_drm_front_gem.c | 18 +++++------------- 1 file changed, 5 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/xen/xen_drm_front_gem.c b/drivers/gpu/drm/xen/xen_drm_front_gem.c index 28bc501..dd0602d 100644 --- a/drivers/gpu/drm/xen/xen_drm_front_gem.c +++ b/drivers/gpu/drm/xen/xen_drm_front_gem.c @@ -224,8 +224,7 @@ struct drm_gem_object * static int gem_mmap_obj(struct xen_gem_object *xen_obj, struct vm_area_struct *vma) { - unsigned long addr = vma->vm_start; - int i; + int ret; /* * clear the VM_PFNMAP flag that was set by drm_gem_mmap(), and set the @@ -246,18 +245,11 @@ static int gem_mmap_obj(struct xen_gem_object *xen_obj, * FIXME: as we insert all the pages now then no .fault handler must * be called, so don't provide one */ - for (i = 0; i < xen_obj->num_pages; i++) { - int ret; - - ret = vm_insert_page(vma, addr, xen_obj->pages[i]); - if (ret < 0) { - DRM_ERROR("Failed to insert pages into vma: %d\n", ret); - return ret; - } + ret = vm_map_pages(vma, xen_obj->pages, xen_obj->num_pages); + if (ret < 0) + DRM_ERROR("Failed to map pages into vma: %d\n", ret); - addr += PAGE_SIZE; - } - return 0; + return ret; } int xen_drm_front_gem_mmap(struct file *filp, struct vm_area_struct *vma)