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 70CF460A262C for ; Mon, 26 Oct 2026 12:05:19 +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=rkF2bt0/; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=oj6JZE/k 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-Unsubscribe-Post:List-Owner; bh=XrszyOJWwJTV90LIZM95zHwP5tXDmJojQtjJsIJz+qU=; b=rkF2bt0/Dwd32jTVw9j7mufSxk 4Fpk/Kj8oCwVBE62VqtDd/3cQOR25KIcwUxUhYCuUQf+9p4QqzfuztXBq0XKCSCI80gcWaDfYzIIh MSJI44PoEWQ3nrjbu+9RJIVgJzlPVEWEyZOD28xVeVPXTJ306oYId1R85Sfpj3fF/FkzUAFUXkvyU l0p3AQo9jR6JZXp50UCMWaJjE5rHr/+47GEPtekyOkhnMTJeqIGXXUQI0Wt6D1MfRzv+l6tQmmfP2 X32gloIS3wBkny+w3cw6bFThN2GaevToRhILZKk2EAxq5Hncp/tDsUPIjxmhPhs/5+p7u+xBx7xQ2 aDznaH3g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xLJRx-00000002SmH-1itN; Mon, 26 Oct 2026 12:05:13 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xLJRw-00000002Sm9-2F7X for linux-arm-kernel@lists.infradead.org; Mon, 26 Oct 2026 12:05:12 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 00D1A600CB; Mon, 26 Oct 2026 12:05:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6E6741F01825; Mon, 26 Oct 2026 12:05:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793016311; bh=XrszyOJWwJTV90LIZM95zHwP5tXDmJojQtjJsIJz+qU=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=oj6JZE/kG+hhqZxoQ+yODE7mTOSfVM9r0neDNfQu+XgJYnH9BMCJLbAczYPub7N+L smVfNhxDG3ihVKIfBKNdKfYMtETvU9dG6NVfyExtT9Y4M8mDJrLb8CkdXz51LPA2GR L4ibCVaR977YPgdL9njvzFJO6gLBo9LVJUjOhbpcOgCy062lZv5b0nKTnvlwS5zGI2 dFe/RbFRsinmNpkiYdkIi8BYqNUu93ZeaFCMNDrvU8xOzoGtToulgIdCczYKBX5qwa +hnLr9BA9QYs/0c+oLEu88TJgQk2n0Xg7juHz4wT83M1laZqakSTxkWxbVahW+8fRB +r6GQhzwBMiVQ== Received: by finisterre.sirena.org.uk (Postfix, from userid 1000) id 3CA051AC5994; Mon, 26 Oct 2026 12:05:08 +0000 (GMT) Date: Mon, 26 Oct 2026 12:05:08 +0000 From: Mark Brown To: Sasha Levin Cc: Marc Zyngier , Oliver Upton , Fuad Tabba , Joey Gouly , Suzuki K Poulose , Zenghui Yu , Steffen Eiden , Paolo Bonzini , Sean Christopherson , Shuah Khan , "Lorenzo Stoakes (ARM)" , Itaru Kitayama , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] KVM: arm64: selftests: Skip unwritable ID fields in the failed-run test Message-ID: References: <20261026012128.2270251-1-sashal@kernel.org> X-Archived-By: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="lOlYcF5yfFB7kmfM" Content-Disposition: inline In-Reply-To: <20261026012128.2270251-1-sashal@kernel.org> X-Cookie: Victory or defeat! 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=-11.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=ham 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 --lOlYcF5yfFB7kmfM Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Sun, Oct 25, 2026 at 09:21:28PM -0400, Sasha Levin wrote: > Only a field that userspace can change can be frozen, and KVM reports > these registers as not writable in KVM_ARM_GET_REG_WRITABLE_MASKS. Skip > the fields that the writable mask does not cover. test_vm_ftr_id_regs() > already requires the mask to cover every other field in test_regs, so > this only drops the fields KVM never lets userspace change. Whether KVM > accepts writes to fields it reports as not writable is a separate > question from finalization. It would be nice to apply the same thing to the NV instances as well but in any case: Reviewed-by: Mark Brown I didn't redo the testing that Fuad already did since it'd just be the same thing. --lOlYcF5yfFB7kmfM Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQReagvpf3TrrA7BoYYv73Ows9A4iQUCat9B9AAKCRAv73Ows9A4 iUn/AP977I6nqPZmrTudLmqcb4MROLcy9GYgz1jVFIocLXDrrwEAnUi0j81aTjSo ef9JvnGQ0OBh4UI9WY6xdmk4v/IezgY= =G2In -----END PGP SIGNATURE----- --lOlYcF5yfFB7kmfM--