From mboxrd@z Thu Jan 1 00:00:00 1970 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=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 E94ADC4363A for ; Mon, 12 Oct 2020 14:47:45 +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 BB05E2067C for ; Mon, 12 Oct 2020 14:47:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BB05E2067C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 527A86E4E3; Mon, 12 Oct 2020 14:47:29 +0000 (UTC) Received: from mblankhorst.nl (mblankhorst.nl [141.105.120.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3F16B6E4AA for ; Mon, 12 Oct 2020 14:47:13 +0000 (UTC) From: Maarten Lankhorst To: intel-gfx@lists.freedesktop.org Date: Mon, 12 Oct 2020 16:46:16 +0200 Message-Id: <20201012144706.555345-12-maarten.lankhorst@linux.intel.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201012144706.555345-1-maarten.lankhorst@linux.intel.com> References: <20201012144706.555345-1-maarten.lankhorst@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v2 11/61] drm/i915: No longer allow exporting userptr through dma-buf X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" It doesn't make sense to export a memory address, we will prevent allowing access this way to different address spaces when we rework userptr handling, so best to explicitly disable it. Signed-off-by: Maarten Lankhorst --- drivers/gpu/drm/i915/gem/i915_gem_userptr.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c index 136a589e5d94..9c1293c99d88 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c @@ -694,10 +694,9 @@ i915_gem_userptr_release(struct drm_i915_gem_object *obj) static int i915_gem_userptr_dmabuf_export(struct drm_i915_gem_object *obj) { - if (obj->userptr.mmu_object) - return 0; + drm_dbg(obj->base.dev, "Exporting userptr no longer allowed\n"); - return i915_gem_userptr_init__mmu_notifier(obj, 0); + return -EINVAL; } static int -- 2.28.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx