From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:38374 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752103AbdAGIwO (ORCPT ); Sat, 7 Jan 2017 03:52:14 -0500 Date: Sat, 7 Jan 2017 09:52:34 +0100 From: Greg KH To: Stefan Schmidt Cc: marcel@holtmann.org, linux-wpan@vger.kernel.org, Alexander Aring , stable@vger.kernel.org Subject: Re: [PATCH bluetooth 1/5] ieee802154: atusb: do not use the stack for buffers to make them DMA able Message-ID: <20170107085234.GA20798@kroah.com> References: <1483748337-4862-1-git-send-email-stefan@osg.samsung.com> <1483748337-4862-2-git-send-email-stefan@osg.samsung.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1483748337-4862-2-git-send-email-stefan@osg.samsung.com> Sender: stable-owner@vger.kernel.org List-ID: On Sat, Jan 07, 2017 at 01:18:53AM +0100, Stefan Schmidt wrote: > From 4.9 we should really avoid using the stack here as this will not be DMA > able on various platforms. This changes the buffers already being present in > time of 4.9 being released. This should go into stable as well. It's not just a 4.9 issue, this affects other platforms on all kernel versions. > > Reported-by: Dan Carpenter > Cc: stable@vger.kernel.org > Signed-off-by: Stefan Schmidt Acked-by: Greg Kroah-Hartman