From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 909624ED189; Thu, 17 Sep 2026 15:59:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789660787; cv=none; b=B8mZQp8fnzqgtQo4S7i9X3PhnuLecACHq0aInWeFNyv9q6Yp+m5crWwRbI+71dadQONU8Bccxk4U6eiezNLyp5abqv0413QB2UEdjEag9sbdzpEBC0bxaQlRRzaUn1m2GrYDxK8ArH30EVXZ1II/BXgmCN7nThw1lOgLzJ1+GU0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789660787; c=relaxed/simple; bh=ggLwmefGluXipHlpH/yCcPO2C8E7qs63Q/ByZwXyf34=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=btrBy4L4gplnSD28QgH6EvhHMFF8GamHKYRsR9oysGT9GMRW6mF62ndUatUae19tChDZwMcWesi+H9uTLhRmc8+YlVHr3f77iWoWym8oAI5qwK1Xd5PQFt+FJWz/AK6ZnN4yCqtMufi/fuYO1L985tmj105yI7bb4Q3astLcQlc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=CXS8yZ7p; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="CXS8yZ7p" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DB2751F000FF; Thu, 17 Sep 2026 15:59:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789660786; bh=OXh1gcHsz6ESSJYC0dL+s5mkIybYR7t91AwXBMuWxpQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=CXS8yZ7pocSX/uOOmeKz535tc3TzAHUWMC80KveymZBH7ZO0/kqZgKCDb/tpyiB9U Tv7YBYTbp+tdbIlj+uY0tgzkYOKm23tcASE+oNMrnXfGHiqQXFFvv0TeYaO1WABwcU HRVGMMdrmlK2R8daXzyNs6ZDUdObdGQnysezFcWk= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, "Mario Limonciello (AMD)" , Lizhi Hou , Sasha Levin Subject: [PATCH 7.2 710/733] accel/amdxdna: Disable device buffer exporting Date: Thu, 17 Sep 2026 16:16:58 +0100 Message-ID: <20260917151410.581543002@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260917151350.597953846@linuxfoundation.org> References: <20260917151350.597953846@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 7.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: Lizhi Hou [ Upstream commit 9480dd7ec3fcadd4217503e4bb32c16e19e4b21f ] Device buffers are never intended to be exported. Disable exporting support explicitly. Reviewed-by: Mario Limonciello (AMD) Signed-off-by: Lizhi Hou Link: https://patch.msgid.link/20260526185058.1780869-1-lizhi.hou@amd.com Stable-dep-of: f43fa4b8522b ("drm/xe/i2c: Fix the interrupt handling") Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/accel/amdxdna/amdxdna_gem.c | 6 ++++++ 1 file changed, 6 insertions(+) --- a/drivers/accel/amdxdna/amdxdna_gem.c +++ b/drivers/accel/amdxdna/amdxdna_gem.c @@ -758,9 +758,15 @@ static int amdxdna_gem_dev_obj_vmap(stru return 0; } +static struct dma_buf *amdxdna_gem_dev_obj_export(struct drm_gem_object *gobj, int flags) +{ + return ERR_PTR(-EOPNOTSUPP); +} + static const struct drm_gem_object_funcs amdxdna_gem_dev_obj_funcs = { .free = amdxdna_gem_dev_obj_free, .vmap = amdxdna_gem_dev_obj_vmap, + .export = amdxdna_gem_dev_obj_export, }; static const struct drm_gem_object_funcs amdxdna_gem_shmem_funcs = {