From patchwork Thu Sep 2 12:49:11 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 12471539 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 87057C432BE for ; Thu, 2 Sep 2021 12:54:24 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 5262E610E8 for ; Thu, 2 Sep 2021 12:54:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 5262E610E8 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-m68k.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4E89B6E525; Thu, 2 Sep 2021 12:54:20 +0000 (UTC) X-Greylist: delayed 301 seconds by postgrey-1.36 at gabe; Thu, 02 Sep 2021 12:54:19 UTC Received: from albert.telenet-ops.be (albert.telenet-ops.be [IPv6:2a02:1800:110:4::f00:1a]) by gabe.freedesktop.org (Postfix) with ESMTPS id 59B126E520 for ; Thu, 2 Sep 2021 12:54:19 +0000 (UTC) Received: from ramsan.of.borg ([IPv6:2a02:1810:ac12:ed20:7822:25bf:8b52:7a36]) by albert.telenet-ops.be with bizsmtp id p0pF2500P13ssow060pFq9; Thu, 02 Sep 2021 14:49:16 +0200 Received: from rox.of.borg ([192.168.97.57]) by ramsan.of.borg with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.93) (envelope-from ) id 1mLm9a-001Ldm-Sz; Thu, 02 Sep 2021 14:49:14 +0200 Received: from geert by rox.of.borg with local (Exim 4.93) (envelope-from ) id 1mLm9a-00BK7i-Bq; Thu, 02 Sep 2021 14:49:14 +0200 From: Geert Uytterhoeven To: Sumit Semwal , =?utf-8?q?Christian_K=C3=B6nig?= , Daniel Vetter , Hridya Valsaraju Cc: Chris Wilson , Greg Kroah-Hartman , linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Geert Uytterhoeven Subject: [PATCH 1/3] dma-buf: DMABUF_MOVE_NOTIFY should depend on DMA_SHARED_BUFFER Date: Thu, 2 Sep 2021 14:49:11 +0200 Message-Id: <20210902124913.2698760-2-geert@linux-m68k.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210902124913.2698760-1-geert@linux-m68k.org> References: <20210902124913.2698760-1-geert@linux-m68k.org> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Move notify between drivers is an option of DMA-BUF. Enabling DMABUF_MOVE_NOTIFY without DMA_SHARED_BUFFER does not have any impact, as drivers/dma-buf/ is not entered during the build when DMA_SHARED_BUFFER is disabled. Fixes: bb42df4662a44765 ("dma-buf: add dynamic DMA-buf handling v15") Signed-off-by: Geert Uytterhoeven --- drivers/dma-buf/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/dma-buf/Kconfig b/drivers/dma-buf/Kconfig index 9561e3d2d4285d55..de5a17c40a33d336 100644 --- a/drivers/dma-buf/Kconfig +++ b/drivers/dma-buf/Kconfig @@ -42,6 +42,7 @@ config UDMABUF config DMABUF_MOVE_NOTIFY bool "Move notify between drivers (EXPERIMENTAL)" default n + depends on DMA_SHARED_BUFFER help Don't pin buffers if the dynamic DMA-buf interface is available on both the exporter as well as the importer. This fixes a security