From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755399AbcBHP6K (ORCPT ); Mon, 8 Feb 2016 10:58:10 -0500 Received: from foss.arm.com ([217.140.101.70]:33776 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753639AbcBHP6I (ORCPT ); Mon, 8 Feb 2016 10:58:08 -0500 Date: Mon, 8 Feb 2016 15:58:04 +0000 From: Catalin Marinas To: Marc Zyngier Cc: Will Deacon , Christoffer Dall , kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org Subject: Re: [PATCH v3 22/23] arm64: VHE: Add support for running Linux in EL2 mode Message-ID: <20160208155804.GR6076@e104818-lin.cambridge.arm.com> References: <1454522416-6874-1-git-send-email-marc.zyngier@arm.com> <1454522416-6874-23-git-send-email-marc.zyngier@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1454522416-6874-23-git-send-email-marc.zyngier@arm.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Feb 03, 2016 at 06:00:15PM +0000, Marc Zyngier wrote: > With ARMv8.1 VHE, the architecture is able to (almost) transparently > run the kernel at EL2, despite being written for EL1. > > This patch takes care of the "almost" part, mostly preventing the kernel > from dropping from EL2 to EL1, and setting up the HYP configuration. > > Signed-off-by: Marc Zyngier Acked-by: Catalin Marinas From mboxrd@z Thu Jan 1 00:00:00 1970 From: Catalin Marinas Subject: Re: [PATCH v3 22/23] arm64: VHE: Add support for running Linux in EL2 mode Date: Mon, 8 Feb 2016 15:58:04 +0000 Message-ID: <20160208155804.GR6076@e104818-lin.cambridge.arm.com> References: <1454522416-6874-1-git-send-email-marc.zyngier@arm.com> <1454522416-6874-23-git-send-email-marc.zyngier@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org, Will Deacon , linux-kernel@vger.kernel.org, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org To: Marc Zyngier Return-path: Content-Disposition: inline In-Reply-To: <1454522416-6874-23-git-send-email-marc.zyngier@arm.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu List-Id: kvm.vger.kernel.org On Wed, Feb 03, 2016 at 06:00:15PM +0000, Marc Zyngier wrote: > With ARMv8.1 VHE, the architecture is able to (almost) transparently > run the kernel at EL2, despite being written for EL1. > > This patch takes care of the "almost" part, mostly preventing the kernel > from dropping from EL2 to EL1, and setting up the HYP configuration. > > Signed-off-by: Marc Zyngier Acked-by: Catalin Marinas From mboxrd@z Thu Jan 1 00:00:00 1970 From: catalin.marinas@arm.com (Catalin Marinas) Date: Mon, 8 Feb 2016 15:58:04 +0000 Subject: [PATCH v3 22/23] arm64: VHE: Add support for running Linux in EL2 mode In-Reply-To: <1454522416-6874-23-git-send-email-marc.zyngier@arm.com> References: <1454522416-6874-1-git-send-email-marc.zyngier@arm.com> <1454522416-6874-23-git-send-email-marc.zyngier@arm.com> Message-ID: <20160208155804.GR6076@e104818-lin.cambridge.arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Feb 03, 2016 at 06:00:15PM +0000, Marc Zyngier wrote: > With ARMv8.1 VHE, the architecture is able to (almost) transparently > run the kernel at EL2, despite being written for EL1. > > This patch takes care of the "almost" part, mostly preventing the kernel > from dropping from EL2 to EL1, and setting up the HYP configuration. > > Signed-off-by: Marc Zyngier Acked-by: Catalin Marinas