From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.kernel.org ([198.145.29.136]:43410 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750982AbcDNDIH (ORCPT ); Wed, 13 Apr 2016 23:08:07 -0400 Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3276D201F2 for ; Thu, 14 Apr 2016 03:08:06 +0000 (UTC) Received: from x250 (unknown [49.64.218.63]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 230352015A for ; Thu, 14 Apr 2016 03:08:04 +0000 (UTC) Date: Thu, 14 Apr 2016 11:08:01 +0800 From: Shawn Guo To: stable@vger.kernel.org Subject: Please add patch "staging: ion: ion_cma_heap: Don't directly use dma_common_get_sgtable" to 4.1 stable Message-ID: <20160414030801.GB6949@x250> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Sender: stable-owner@vger.kernel.org List-ID: Hi stable team, Please add the following upstream patch to 4.1 stable kernel. commit 56fa2ece881348d314800b858581f2ae950f8e20 upstream. We're running a arm 32-bit device with Android 4.4 + Linux 4.1, and seeing that when ION driver allocates a buffer from CMA pool sitting on high memory, the scatterlist created for that buffer links to a wrong physical page. The above patch fixes the problem for us. Thanks, Shawn