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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A506AC7EE23 for ; Wed, 24 May 2023 06:44:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239746AbjEXGoE (ORCPT ); Wed, 24 May 2023 02:44:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58904 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239744AbjEXGne (ORCPT ); Wed, 24 May 2023 02:43:34 -0400 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D17611704 for ; Tue, 23 May 2023 23:42:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1684910537; x=1716446537; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=+YsLYTyw0+FKWPgcNTrSqBc16rsKEAEQpGuP7NFtQwY=; b=JL6bagVdEbqo2dsNWcnlbQdyeNhLlYMg7IwrtCYqpGxFlc2ztVbU0EOF ydTE4k255GPjJxYZHbYKd8K3OTaOvlOwgljqCnXU2x6A67u7Q5xqu6wVU yZJHyV3LnGIoVQePSpldGuZHJSjvH37J24c5C09dW5bHJ6lr5WYMou6PG Ehtfvk1ToM0DBaW0Kb6Z8q33vsykFawnYD9JQ4o/vZhUEWBAZnYL2qKzQ 96G5R6fCjtQ60J37QD2avmQJa9ZORdYzqmXWJ+J2fuGPByTWVAKTDALEo AdQYregHerwBuiHsiETt9E25II2WeEaEABGLPlaaQYLwgEs5LWaYgKLDL Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10719"; a="439826840" X-IronPort-AV: E=Sophos;i="6.00,188,1681196400"; d="scan'208";a="439826840" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 May 2023 23:42:17 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10719"; a="816451064" X-IronPort-AV: E=Sophos;i="6.00,188,1681196400"; d="scan'208";a="816451064" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga002.fm.intel.com with ESMTP; 23 May 2023 23:42:16 -0700 Received: by black.fi.intel.com (Postfix, from userid 1001) id 8649B3DA; Wed, 24 May 2023 09:42:19 +0300 (EEST) Date: Wed, 24 May 2023 09:42:19 +0300 From: Mika Westerberg To: linux-usb@vger.kernel.org Cc: Yehezkel Bernat , Michael Jamet , Lukas Wunner , Andreas Noever Subject: Re: [PATCH 1/7] thunderbolt: Check for ring 0 in tb_tunnel_alloc_dma() Message-ID: <20230524064219.GQ45886@black.fi.intel.com> References: <20230517084103.45213-1-mika.westerberg@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20230517084103.45213-1-mika.westerberg@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On Wed, May 17, 2023 at 11:40:57AM +0300, Mika Westerberg wrote: > Ring 0 cannot be used for anything else than control channel messages. > For this reason add a check to tb_tunnel_alloc_dma() and fail if someone > tries to do that. > > Signed-off-by: Mika Westerberg All applied to thunderbolt.git/next.