From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoffer Dall Subject: Re: [PATCH v3 11/11] ARM: KVM: trap VM system registers until MMU and caches are ON Date: Thu, 6 Feb 2014 20:08:51 -0800 Message-ID: <20140207040851.GP9157@cbox> References: <1391630151-7875-1-git-send-email-marc.zyngier@arm.com> <1391630151-7875-12-git-send-email-marc.zyngier@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, catalin.marinas@arm.com To: Marc Zyngier Return-path: Received: from mail-pa0-f54.google.com ([209.85.220.54]:42510 "EHLO mail-pa0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750752AbaBGEIm (ORCPT ); Thu, 6 Feb 2014 23:08:42 -0500 Received: by mail-pa0-f54.google.com with SMTP id fa1so2616790pad.41 for ; Thu, 06 Feb 2014 20:08:42 -0800 (PST) Content-Disposition: inline In-Reply-To: <1391630151-7875-12-git-send-email-marc.zyngier@arm.com> Sender: kvm-owner@vger.kernel.org List-ID: On Wed, Feb 05, 2014 at 07:55:51PM +0000, Marc Zyngier wrote: > In order to be able to detect the point where the guest enables > its MMU and caches, trap all the VM related system registers. > > Once we see the guest enabling both the MMU and the caches, we > can go back to a saner mode of operation, which is to leave these > registers in complete control of the guest. > > Signed-off-by: Marc Zyngier Reviewed-by: Christoffer Dall