From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 82A5460A3834 for ; Wed, 21 Oct 2026 15:44:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=GQ6HYlwn; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=Mo7xzRhE DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=4kcXDJhEfENFHuyA+lYroTo7cmLFPG8UX1ID8jIbjAE=; b=GQ6HYlwnskrBVhrBOKUeCw+w+a aXWbgqEodW81NuOd0B3CtKi5LI6WYjUdJ/MWQjn3d5Q1KE+xFdKTyHpWh4/PNBUukRUgVDPFzD5s3 JSSxivhT6VBrGGnzgCRl++50SZb67F85X3qoqnjt8iz8GCZ8r+1cA2LYUQhXvIEWRWHEuw4ZL3noH beAwGY7j+bC2byOtO3g4BEWxhrLTvKbArQvLifY+bDF6NJyWPRBCqvhFVOxFskEompl+63qWsaKM7 dlG+dK1EMCv6gbK8b5ezX/BltK5oASlaChQB3ELQQN7F94b9Yn0M10S+6pPoL3OkczJuuCH0xFT7O InHUEflQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xJYUR-0000000CITh-1g7a; Wed, 21 Oct 2026 15:44:31 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1xJYUQ-0000000CITN-03E5 for linux-arm-kernel@lists.infradead.org; Wed, 21 Oct 2026 15:44:30 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 2E5A160210; Wed, 21 Oct 2026 15:44:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B49D11F000C1; Wed, 21 Oct 2026 15:44:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792597468; bh=4kcXDJhEfENFHuyA+lYroTo7cmLFPG8UX1ID8jIbjAE=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=Mo7xzRhEgPIbjPjOPjzFXzBcvgAiCuOyW6f2SHflaCGJu6mCMwAKU1OlP3dYvjw5y HH69cHHF8gH1/Te1jqAcddWOpBFIhC0TNcN8ByBSDaZ1M76BZqur9sVejIM15JW5H5 EsAgq/Gp7juChmcyxYcJPj4YICO1or8l2c7j5d4k/o3TlBMBrBJcRSMgfxAgKGiAAl gvBmzj6q6cMHVMAEJNfU/g2r8/SCu3ZxrjWzcxk/nY1J2J206ZSwf76cQgw90/1ujH mFlax4+tAZ4/o79FkDQmci6XRBJpivOn3e0ooAbvvP/STS/ReSLqmG+EOujh4qrtfk mYIpGhIScBaSQ== Received: by traversing.sirena.org.uk (Postfix, from userid 1000) id B7F9C1CEA6B9; Wed, 21 Oct 2026 16:44:26 +0100 (BST) Date: Wed, 21 Oct 2026 16:44:26 +0100 From: Mark Brown To: "Lorenzo Stoakes (ARM)" Cc: Marc Zyngier , Catalin Marinas , Will Deacon , Joey Gouly , Suzuki K Poulose , Shuah Khan , Oliver Upton , Fuad Tabba , Peter Maydell , Leonardo Bras , Wei-Lin Chang , Yao Yuan , linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, kvmarm@lists.linux.dev, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v21 02/15] KVM: arm64: Refuse to start a guest with S1PIE or S1POE but not TCR2 Message-ID: References: <20260930-arm64-gcs-v21-0-3556644cd927@kernel.org> <20260930-arm64-gcs-v21-2-3556644cd927@kernel.org> <86fqyn2che.wl-maz@kernel.org> X-Archived-By: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="XlGPDImXBOHBZN3B" Content-Disposition: inline In-Reply-To: X-Cookie: Whoever dies with the most toys wins. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-6.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 --XlGPDImXBOHBZN3B Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Tue, Oct 20, 2026 at 02:16:50PM +0100, Lorenzo Stoakes (ARM) wrote: > On Wed, Oct 14, 2026 at 06:48:37PM +0100, Mark Brown wrote: > > TBH when I said in the commit log I was thinking of something more data > > driven I was thinking more of having the dependencies expressed as pure > > data, more like the way the test in set_id_regs is written. This also > > seems fine to me, the checks are similar. It's just much more invasive. > Indeed. Perhaps the config.c approach will make it easier to convert JSON > -> code also? I'm not sure how much of a difference it makes given that there's still code for the actual dependency set. --XlGPDImXBOHBZN3B Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQReagvpf3TrrA7BoYYv73Ows9A4iQUCatjd2gAKCRAv73Ows9A4 iZlOAP4sLpPvccqJReB8Mwy526cPBNWAF6ETiDO4ErTN2k8z1AEAsIpkS9DcFELc uBP7TL5YvgkbZg81LWuZNJGnIL2vMQU= =g8kZ -----END PGP SIGNATURE----- --XlGPDImXBOHBZN3B--