From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753368AbcBHOlw (ORCPT ); Mon, 8 Feb 2016 09:41:52 -0500 Received: from foss.arm.com ([217.140.101.70]:33124 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751328AbcBHOlv (ORCPT ); Mon, 8 Feb 2016 09:41:51 -0500 Date: Mon, 8 Feb 2016 14:41:47 +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 03/23] arm/arm64: Add new is_kernel_in_hyp_mode predicate Message-ID: <20160208144146.GM6076@e104818-lin.cambridge.arm.com> References: <1454522416-6874-1-git-send-email-marc.zyngier@arm.com> <1454522416-6874-4-git-send-email-marc.zyngier@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1454522416-6874-4-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 05:59:56PM +0000, Marc Zyngier wrote: > With ARMv8.1 VHE extension, it will be possible to run the kernel > at EL2 (aka HYP mode). In order for the kernel to easily find out > where it is running, add a new predicate that returns whether or > not the kernel is in HYP mode. > > For completeness, the 32bit code also get such a predicate (always > returning false) so that code common to both architecture (timers, > KVM) can use it transparently. > > Acked-by: Christoffer Dall > Signed-off-by: Marc Zyngier Acked-by: Catalin Marinas