From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 69988C433E0 for ; Tue, 26 Jan 2021 08:17:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2008D22B3B for ; Tue, 26 Jan 2021 08:17:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389750AbhAZIRH (ORCPT ); Tue, 26 Jan 2021 03:17:07 -0500 Received: from mail.kernel.org ([198.145.29.99]:57020 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726501AbhAYSim (ORCPT ); Mon, 25 Jan 2021 13:38:42 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 6570622ADF; Mon, 25 Jan 2021 18:37:57 +0000 (UTC) Date: Mon, 25 Jan 2021 18:37:54 +0000 From: Catalin Marinas To: Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org, Will Deacon , Mark Rutland , David Brazdil , Alexandru Elisei , Ard Biesheuvel , Jing Zhang , Ajay Patil , Prasad Sodagudi , Srinivas Ramana , James Morse , Julien Thierry , Suzuki K Poulose , kernel-team@android.com Subject: Re: [PATCH v5 13/21] arm64: Allow ID_AA64MMFR1_EL1.VH to be overridden from the command line Message-ID: <20210125183753.GN25360@gaia> References: <20210125105019.2946057-1-maz@kernel.org> <20210125105019.2946057-14-maz@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210125105019.2946057-14-maz@kernel.org> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jan 25, 2021 at 10:50:11AM +0000, Marc Zyngier wrote: > As we want to be able to disable VHE at runtime, let's match > "id_aa64mmfr1.vh=" from the command line as an override. > This doesn't have much effect yet as our boot code doesn't look > at the cpufeature, but only at the HW registers. > > Signed-off-by: Marc Zyngier > Acked-by: David Brazdil Reviewed-by: Catalin Marinas