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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F0FC8C76195 for ; Mon, 27 Mar 2023 06:05:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229821AbjC0GFX (ORCPT ); Mon, 27 Mar 2023 02:05:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32980 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229462AbjC0GFT (ORCPT ); Mon, 27 Mar 2023 02:05:19 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 5D939420A for ; Sun, 26 Mar 2023 23:05:17 -0700 (PDT) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 360E94B3; Sun, 26 Mar 2023 23:06:01 -0700 (PDT) Received: from [10.162.42.7] (a077893.blr.arm.com [10.162.42.7]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id EBAB13F6C4; Sun, 26 Mar 2023 23:05:14 -0700 (PDT) Message-ID: Date: Mon, 27 Mar 2023 11:35:12 +0530 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 Subject: Re: [PATCH] arm64: Disable EL2 traps for BRBE instructions executed in EL1 Content-Language: en-US To: Mark Brown Cc: linux-arm-kernel@lists.infradead.org, Catalin Marinas , Will Deacon , Marc Zyngier , linux-kernel@vger.kernel.org References: <20230324055127.2228330-1-anshuman.khandual@arm.com> From: Anshuman Khandual In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3/24/23 17:25, Mark Brown wrote: > On Fri, Mar 24, 2023 at 11:21:27AM +0530, Anshuman Khandual wrote: > >> This disables EL2 traps for BRBE instructions executed in EL1. This would >> enable BRBE to be configured and used successfully in the guest kernel. > > We should probably update booting.rst too. Sure, will updated as required, for SYS_HFGITR_EL2's BRBE fields.