From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932934AbcBAN7L (ORCPT ); Mon, 1 Feb 2016 08:59:11 -0500 Received: from mail-wm0-f41.google.com ([74.125.82.41]:34042 "EHLO mail-wm0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932732AbcBAN7H (ORCPT ); Mon, 1 Feb 2016 08:59:07 -0500 Date: Mon, 1 Feb 2016 14:59:33 +0100 From: Christoffer Dall To: Marc Zyngier Cc: Catalin Marinas , Will Deacon , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu Subject: Re: [PATCH v2 09/21] arm64: KVM: VHE: Differenciate host/guest sysreg save/restore Message-ID: <20160201135933.GQ1478@cbox> References: <1453737235-16522-1-git-send-email-marc.zyngier@arm.com> <1453737235-16522-10-git-send-email-marc.zyngier@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1453737235-16522-10-git-send-email-marc.zyngier@arm.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jan 25, 2016 at 03:53:43PM +0000, Marc Zyngier wrote: > With ARMv8, host and guest share the same system register file, > making the save/restore procedure completely symetrical. > With VHE, host and guest now have different requirements, as they > use different sysregs. > > In order to prepare for this, add split sysreg save/restore functions > for both host and guest. No functionnal change yet. > > Signed-off-by: Marc Zyngier Acked-by: Christoffer Dall From mboxrd@z Thu Jan 1 00:00:00 1970 From: christoffer.dall@linaro.org (Christoffer Dall) Date: Mon, 1 Feb 2016 14:59:33 +0100 Subject: [PATCH v2 09/21] arm64: KVM: VHE: Differenciate host/guest sysreg save/restore In-Reply-To: <1453737235-16522-10-git-send-email-marc.zyngier@arm.com> References: <1453737235-16522-1-git-send-email-marc.zyngier@arm.com> <1453737235-16522-10-git-send-email-marc.zyngier@arm.com> Message-ID: <20160201135933.GQ1478@cbox> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, Jan 25, 2016 at 03:53:43PM +0000, Marc Zyngier wrote: > With ARMv8, host and guest share the same system register file, > making the save/restore procedure completely symetrical. > With VHE, host and guest now have different requirements, as they > use different sysregs. > > In order to prepare for this, add split sysreg save/restore functions > for both host and guest. No functionnal change yet. > > Signed-off-by: Marc Zyngier Acked-by: Christoffer Dall