From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:60937 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751126AbcDRB3C (ORCPT ); Sun, 17 Apr 2016 21:29:02 -0400 Date: Mon, 18 Apr 2016 10:28:59 +0900 From: Greg KH To: Shawn Guo Cc: stable@vger.kernel.org Subject: Re: Please add patch "staging: android: ion: Set the length of the DMA sg entries in buffer" to 4.1 and 4.4 stable kernel Message-ID: <20160418012859.GC8223@kroah.com> References: <20160414023048.GA6949@x250> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160414023048.GA6949@x250> Sender: stable-owner@vger.kernel.org List-ID: On Thu, Apr 14, 2016 at 10:30:48AM +0800, Shawn Guo wrote: > Hi stable team, > > This is the first time I request to add a patch that is already on > upstream to stable kernel. I'm not sure if this is the correct > procedure, but I'm following option 2 in stable_kernel_rules.txt to > request add the following patch to 4.1 and 4.4 stable kernel. > > commit 70bc916b2c80913753fb188d4daee50a64d21ba0 upstream. > > We are seeing a problem on an ARM64 platform running Android 4.4 + Linux > 4.1. A sanity check in GPU driver detects that the scatterlist > created by ION driver does not have a valid dma_length, and hence > refuses to work. And the requested patch fixes our problem. Now applied to 4.4 and 4.5-stable trees, thanks. greg k-h