From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christopher Covington Subject: Re: [PATCH 16/29] arm64: KVM: HYP mode world switch implementation Date: Wed, 20 Mar 2013 16:04:17 -0400 Message-ID: <514A1641.6030709@codeaurora.org> References: <1362455265-24165-1-git-send-email-marc.zyngier@arm.com> <1362455265-24165-17-git-send-email-marc.zyngier@arm.com> <5140DA96.3070403@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu, catalin.marinas@arm.com To: Marc Zyngier Return-path: Received: from wolverine01.qualcomm.com ([199.106.114.254]:25818 "EHLO wolverine01.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757500Ab3CTUES (ORCPT ); Wed, 20 Mar 2013 16:04:18 -0400 In-Reply-To: <5140DA96.3070403@codeaurora.org> Sender: kvm-owner@vger.kernel.org List-ID: Hi Marc, On 03/13/2013 03:59 PM, Christopher Covington wrote: [...] > Alternatively, you could consider storing the host registers in a > slimmed-down vcpu structure for hosts, rather than on the stack. One potential argument for storing the host in the same sort of vcpu structure as the guest rather than on the hypervisor stack is that snapshot and migration support initially intended for guests might more easily be extended to work for hosts as well. Regards, Christopher -- Employee of Qualcomm Innovation Center, Inc. Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by the Linux Foundation