Received: by 2002:a05:6358:11c7:b0:104:8066:f915 with SMTP id i7csp2419918rwl; Sun, 26 Mar 2023 23:06:17 -0700 (PDT) X-Google-Smtp-Source: AKy350bCd+qReGnH50BNhfLp1aGZypHJhSy2gKC8+UyENy+RUbtbtAQnnGn09Rs4+Y+IiYXAwPmL X-Received: by 2002:aa7:c609:0:b0:4aa:a280:55b5 with SMTP id h9-20020aa7c609000000b004aaa28055b5mr10409133edq.20.1679897177084; Sun, 26 Mar 2023 23:06:17 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1679897177; cv=none; d=google.com; s=arc-20160816; b=Ougw5X3Lxa75a5eVAPOAQ/cFRVn+YZsuRH58pydAU6YqEyrnZB49Y1Arx97Xakg7Wl oykdvBLaeL7trrKfBgjwoGFfK8rYA9nNEszuMWiHfjj0RF0aOI+DINAYw01J9V2CUcLw ovWsvG0DY4vokUOXUQRYllKRvURFyTZuSxjNKY+ppz9pkFDssi9ebsPeOOkfwss172yW G6F+NUO7CuXZK8zZsFafMLHaBox+ycxu/gV3xwWbiUIYdx5PhSTIZO96PBPe6j34n51L x+38aZmB8MsZPO080zOSq+vcU8nF4rTw9w3aHl/EIy3e0bIUgjY0AiI8fxv6GMxeE06f 21ew== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:in-reply-to:from :references:cc:to:content-language:subject:user-agent:mime-version :date:message-id; bh=bm4JkRxZk9s+EiljaUzhrqmocOuVLw1VfVwc5a5PNDk=; b=fphP7pzvFPbmZaWBNufJNPV9m5n2v5MAPtTdwZSD/V8KGR00s2cVI4dRs+AaqhMRsI sXHE/HiskqdVmR+/FWY7J3MfO0JGkFbvWXIzu8/+C4KPzZF0YRpHtUDpi34K/5jhXYwd u02+pQQfbyEqseQpnO/c5JZOVdootYFutfBihA8IaAxJh/q3EU4hTUCWa9N3mi5Re+Pk bA7d2hr3Cihif2DcZCc9uUBHv+Mo+kVirJ9Qz1za+GN/WMJtcPeLSLcINz6XDz4RE9G1 NhwzREhNkZi5PW+nV2OeXBBh1IdDKUNSJIeLX5pOP4ZMeCwn81Wc93KFx5Blf3QvNEFU uUfA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id y12-20020a170906070c00b0093defbd6298si7143884ejb.1055.2023.03.26.23.05.50; Sun, 26 Mar 2023 23:06:17 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229679AbjC0GFW (ORCPT + 99 others); Mon, 27 Mar 2023 02:05:22 -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 X-Spam-Status: No, score=-2.3 required=5.0 tests=NICE_REPLY_A, RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net 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.