From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: [PATCH v3] xen/arm: ignore writes to GICD_ICACTIVER ... GICD_ICACTIVERN Date: Thu, 7 Jan 2016 13:25:41 +0000 Message-ID: <1452173141.21055.215.camel@citrix.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Stefano Stabellini , xen-devel@lists.xensource.com Cc: Julien Grall List-Id: xen-devel@lists.xenproject.org On Wed, 2016-01-06 at 17:21 +0000, Stefano Stabellini wrote: > Injecting a fault to the guest just because it is writing to one of the > GICD_ICACTIVER registers, which are part of the GICv2 and GICv3 specs, > is harsh. Additionally it causes recent linux kernels to fail to boot on > Xen. > > Ignore writes to GICD_ICACTIVER ... GICD_ICACTIVERN instead, to solve > the boot issue and for backportability. However implementing the > registers properly might a better long term solution. > > Signed-off-by: Stefano Stabellini Acked + applied.