From patchwork Tue Sep 11 13:42:09 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 10595665 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 F1EC913B8 for ; Tue, 11 Sep 2018 13:42:37 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DB90C295EB for ; Tue, 11 Sep 2018 13:42:37 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CF5B8295FA; Tue, 11 Sep 2018 13:42:37 +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=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham 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 89575295EB for ; Tue, 11 Sep 2018 13:42:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727943AbeIKSln (ORCPT ); Tue, 11 Sep 2018 14:41:43 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:34260 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727781AbeIKSln (ORCPT ); Tue, 11 Sep 2018 14:41:43 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 08B53400738B; Tue, 11 Sep 2018 13:42:20 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-116-66.ams2.redhat.com [10.36.116.66]) by smtp.corp.redhat.com (Postfix) with ESMTP id BA66B2156889; Tue, 11 Sep 2018 13:42:19 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id C5A549B2F; Tue, 11 Sep 2018 15:42:16 +0200 (CEST) From: Gerd Hoffmann To: dri-devel@lists.freedesktop.org Cc: laurent.pinchart@ideasonboard.com, daniel@ffwll.ch, Gerd Hoffmann , Sumit Semwal , linux-media@vger.kernel.org (open list:DMA BUFFER SHARING FRAMEWORK), linaro-mm-sig@lists.linaro.org (moderated list:DMA BUFFER SHARING FRAMEWORK), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v2 06/13] udmabuf: add MEMFD_CREATE dependency Date: Tue, 11 Sep 2018 15:42:09 +0200 Message-Id: <20180911134216.9760-7-kraxel@redhat.com> In-Reply-To: <20180911134216.9760-1-kraxel@redhat.com> References: <20180911134216.9760-1-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Tue, 11 Sep 2018 13:42:20 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Tue, 11 Sep 2018 13:42:20 +0000 (UTC) for IP:'10.11.54.6' DOMAIN:'int-mx06.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'kraxel@redhat.com' RCPT:'' Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP udmabuf builds without it, but if userspace can not create memfd handles in the first place it is rather pointless to include it, except for test builds. Signed-off-by: Gerd Hoffmann Acked-by: Daniel Vetter --- drivers/dma-buf/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/dma-buf/Kconfig b/drivers/dma-buf/Kconfig index 338129eb12..2e5a0faa2c 100644 --- a/drivers/dma-buf/Kconfig +++ b/drivers/dma-buf/Kconfig @@ -34,6 +34,7 @@ config UDMABUF bool "userspace dmabuf misc driver" default n depends on DMA_SHARED_BUFFER + depends on MEMFD_CREATE || COMPILE_TEST help A driver to let userspace turn memfd regions into dma-bufs. Qemu can use this to create host dmabufs for guest framebuffers.