From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754104AbcBBINM (ORCPT ); Tue, 2 Feb 2016 03:13:12 -0500 Received: from foss.arm.com ([217.140.101.70]:53641 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753879AbcBBINK (ORCPT ); Tue, 2 Feb 2016 03:13:10 -0500 Subject: Re: [PATCH 00/11] arm64: Introduce Allwinner A64 and Pine64 support To: lists.nick.betteridge@gmail.com, linux-sunxi References: <1454348370-3816-1-git-send-email-andre.przywara@arm.com> Cc: maxime.ripard@free-electrons.com, wens@csie.org, arnd@arndb.de, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org From: =?UTF-8?Q?Andr=c3=a9_Przywara?= X-Enigmail-Draft-Status: N1110 Organization: ARM Ltd. Message-ID: <56B06502.8030002@arm.com> Date: Tue, 2 Feb 2016 08:12:50 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 02/02/16 07:57, lists.nick.betteridge@gmail.com wrote: > Just a quick question - will there be any support for enabling booting into virtualisation mode to run xen and the like? This is a firmware issue. The SoC itself provides everything you need and even Allwinner choosing ARM Trusted Firmware (ATF) to do PSCI handling shows how to do it - but for whatever reason they hacked it to _not_ enter the kernel (or Xen, for that matter) in EL2. But this should be fixable - either by using U-Boot's PSCI support or by doing a proper ATF port. I am tempted to look at the latter. Rest assured that using KVM was the primary reason I backed the Pine64, so this definitely will be supported some day. Booting Xen does not make much difference in this respect then. Cheers, Andre