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=-5.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 B85C8C433C1 for ; Fri, 19 Mar 2021 15:04:49 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 43C8B6191A for ; Fri, 19 Mar 2021 15:04:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 43C8B6191A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.microsoft.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:References: Cc:To:From:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=pZUW54jKR3piU14T8Is8dUK2xcH7fwzCMiXin9h6kOs=; b=W5ComCXk9K20jgS0Bl0gaBK7t d/4UVB6iVSldZ5oSOX/SSbAqL03UUhCx0Z3CH7HHvqaTsLQgMAKVoL2HkBrVwKjlWdb+aHosuuaPQ iguxcnMc588uZVLuuAm47ilVfjP2WjCpby0bMN4IgcbotoeD7aUuVKJLZ5dKNFbU46IjnLiOFKH3j iaqohVWWkvvMrft7mA3q/PGT5qcVQjbUn7yNqPfTvTF5LIAo5R64QgYfFeSJMQvnsjBKJwCQgOdlK Ne7X9vYDj3I8HRR3ZY1CDNvftcEa6gGCMp42v90xnn1SiVRcOSz8WGbv+pdO4Zm79xBKJRBX4FuhU tQJ+DbuWQ==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lNGeV-007aU1-MH; Fri, 19 Mar 2021 15:03:03 +0000 Received: from linux.microsoft.com ([13.77.154.182]) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lNGeO-007aTG-1Q for linux-arm-kernel@lists.infradead.org; Fri, 19 Mar 2021 15:02:59 +0000 Received: from [192.168.254.32] (unknown [47.187.194.202]) by linux.microsoft.com (Postfix) with ESMTPSA id BB0C520B3754; Fri, 19 Mar 2021 08:02:53 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com BB0C520B3754 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1616166174; bh=Zt/90atLLHUzYhfmjFjtxdJCiAuaf3iXLSZvdUpTUSU=; h=Subject:From:To:Cc:References:Date:In-Reply-To:From; b=JCKaCL6Cc0K17Rj0DZPEAImdGv8luXbG5TOtJ5OmZmUjPYu3hE/ycUh8b4PopBFZy 0Z9ayWl2OLdVpi25bXnuNnXJ+vsnQOCIUwv64zmcpQtZKkRIfTVOJ5lNZlo1PndaKg QlMxLETG8XOjSUMMrq1RHMLKF1ZjvkizjuryVWts= Subject: Re: [RFC PATCH v2 2/8] arm64: Implement frame types From: "Madhavan T. Venkataraman" To: Mark Brown Cc: mark.rutland@arm.com, jpoimboe@redhat.com, jthierry@redhat.com, catalin.marinas@arm.com, will@kernel.org, linux-arm-kernel@lists.infradead.org, live-patching@vger.kernel.org, linux-kernel@vger.kernel.org References: <5997dfe8d261a3a543667b83c902883c1e4bd270> <20210315165800.5948-1-madvenka@linux.microsoft.com> <20210315165800.5948-3-madvenka@linux.microsoft.com> <20210318174029.GM5469@sirena.org.uk> <6474b609-b624-f439-7bf7-61ce78ff7b83@linux.microsoft.com> <20210319132208.GD5619@sirena.org.uk> Message-ID: Date: Fri, 19 Mar 2021 10:02:52 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210319_150256_854241_9981D5E9 X-CRM114-Status: GOOD ( 12.14 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 3/19/21 9:40 AM, Madhavan T. Venkataraman wrote: >> Are you referring to ARMv8.1 VHE extension where the kernel can run >> at EL2? Could you elaborate? I thought that EL2 was basically for >> Hypervisors. > KVM is the main case, yes - IIRC otherwise it's mainly error handlers > but I might be missing something. We do recommend that the kernel is > started at EL2 where possible. > > Actually now I look again it's just not adding anything on EL2 entries > at all, they use a separate set of macros which aren't updated - this > will only update things for EL0 and EL1 entries so my comment above > about this tracking EL2 as EL1 isn't accurate. So, do I need to do anything here? Madhavan _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel