From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:50654 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751048AbdADN5l (ORCPT ); Wed, 4 Jan 2017 08:57:41 -0500 Date: Wed, 4 Jan 2017 14:58:00 +0100 From: Greg Kroah-Hartman To: Matthias Brugger Cc: stable@vger.kernel.org, Geoff Levand , Mark Rutland Subject: Re: v4.8: arm64 fix kexec Message-ID: <20170104135800.GA7299@kroah.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: stable-owner@vger.kernel.org List-ID: On Wed, Dec 14, 2016 at 08:20:27PM +0100, Matthias Brugger wrote: > Hi all, > > kexec on arm64 is broken in v4.8.y because in /proc/iomem "nomap" regions, > like UEFI runtime services code/data, are marked as "System RAM". > On seattle this leads to the fact, that kexec from kexec-tools loads the > kernel and the initrd in a memory region which should be ""reserved". This > breaks kexec on the system. > > commit > e7cd190385d1 ("arm64: mark reserved memblock regions explicitly in iomem") > > Fixes this and should be added to v4.8 stable tree. Now queued up, thanks. greg k-h