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 4C099C6FD20 for ; Fri, 24 Mar 2023 11:55:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231254AbjCXLzg (ORCPT ); Fri, 24 Mar 2023 07:55:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32838 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229945AbjCXLzd (ORCPT ); Fri, 24 Mar 2023 07:55:33 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E052723847 for ; Fri, 24 Mar 2023 04:55:32 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 7121762A6F for ; Fri, 24 Mar 2023 11:55:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5883BC433EF; Fri, 24 Mar 2023 11:55:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1679658931; bh=OVEuUE0WW9mm8Nmy+r/QmBOi2aXg8YDEqN9guHehgkA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=kZkcyenz9ThHHjj9Mbrlk+f10KS4z8/JNsvb5YPQTFpwGOtbV6Sc0979xzFSb4D00 ytRzIcrOGLtYK3fpMzC0uLiMjn4xYaNMStp197oNJWD/wn09qFfoL5HzRlbFawOX2g Dgf2SNdrkY2+njb7bskRnbk6a0SRsSH2AOkhzXBqRF4pn421oYcGOLZnj1WpyLA2hT 0EbsdSL/Ej3y/l1ZniJNMAEnvdL06SN5lCxxIhxHoeBmgjKfQDNPi059u43++SdQVW R5nH4XdZabiXq0AAU/C7fqMJ1K7h18VRDpdmYLe9qowy7uZHm9OgkvVK0+nWRu6bOi ewru/hUVkDhUA== Date: Fri, 24 Mar 2023 11:55:28 +0000 From: Mark Brown To: Anshuman Khandual Cc: linux-arm-kernel@lists.infradead.org, Catalin Marinas , Will Deacon , Marc Zyngier , linux-kernel@vger.kernel.org Subject: Re: [PATCH] arm64: Disable EL2 traps for BRBE instructions executed in EL1 Message-ID: References: <20230324055127.2228330-1-anshuman.khandual@arm.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="CWVMHk8IWIq6m5Gy" Content-Disposition: inline In-Reply-To: <20230324055127.2228330-1-anshuman.khandual@arm.com> X-Cookie: Single tasking: Just Say No. Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --CWVMHk8IWIq6m5Gy Content-Type: text/plain; charset=us-ascii Content-Disposition: inline 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. --CWVMHk8IWIq6m5Gy Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmQdj68ACgkQJNaLcl1U h9Br8wf/cSZsPb7klipcF4vE/oMZiaZvULmY9arXsV8UbTBf5NuCLGIHfNmKq/4B FUKvl+TkuI2AMTvHRQFiGTtIB6Dau1MNf0ka7Nwk2cgg7Ip4LaX7MbztV/FzpBz1 4D+Br/wvYBpQM6lWQ1VFewHAVCgWH1LA3BXnC2BXOeLQ/POp1Taua2yqRsLIHmoe CwEIhwK8Nyo0oH4ukk0b6R2nRxwNO6E+V7/I0hNlWhZyIunpofcKFGB5hgHr09Z4 1UlCTdfDFab+c5wpy2xGQTIv5PdTFmwZRJ3IHtv8ltTDyI2tRPfpbymWbf23Oan0 3ycTekp57SyJLAENvJ4jHut7Hms5Gw== =8dZt -----END PGP SIGNATURE----- --CWVMHk8IWIq6m5Gy--