From nobody Wed Oct 8 23:02:56 2025 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AEA802528F3; Mon, 23 Jun 2025 13:23:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750684993; cv=none; b=ucEXjz8QtpHC/9ynLTXkHqGT4ZTmZ1eCxdVrBQsuZJIhoewg8gVO+G0sGlzs/77A08cMzGJEcu3IjS4JUT0XQzXbiLYL+GackxjrKAi5OaDWF7UFZItGpGkknIZZAXHxZHmxxVmODKTuAMBhBqww7+13E88bgIZonUCPjyFjm6o= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750684993; c=relaxed/simple; bh=oMoWjNluxVPtYMfWVRb0CAbhkKSoSFhqt98mtbrmYYY=; h=Message-ID:Subject:From:To:Date:Content-Type:MIME-Version; b=R3I9l0OLgR5h5ljGQVM2xu53EGulZUjKI6g86D2UolguSdyqHCaey5E9XkFO6XWMHpCOAulNHC6v6SJBH2nhWdxtyj2KXAgXyCUV4he7y3fhl4EsRCXg9202tm69dHUe/A8032T0rfgtE6ZlyR1Js8R6YczIUNdVc/6eWg01dhY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=casper.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=sObKbPp/; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=casper.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="sObKbPp/" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=MIME-Version:Content-Type:Date:To:From: Subject:Message-ID:Sender:Reply-To:Cc:Content-Transfer-Encoding:Content-ID: Content-Description:In-Reply-To:References; bh=yNOh+kHHDsQbyjoheTLKeQlDQjmBur62fR/GvELDNN8=; b=sObKbPp/ovodduk2+uE4lSBTZM Zj7NBtKtHPi7fH1ll8ECaOAlSexzzgKq2Uj1VZ94mpxwMeg8oBW88aqA78KjzYnw2vOvBdrK0qdKb Jpsa4ZJ9SohRTjRWOHgwXS7Uo+/Ym/kitYVT80Qboac+qRFi++AKoNeliol1O3ldEAcM7qTPQp5SC 33rMCOIb77VXYhuHRe7t+tfiZLhKEc1ZH2L4uLWKlHpMPgbG6DdfN9Is9NPKG5ofcnbPY1aMIjDRe FUwNfPZm7ICoLM4eU4Sh96V2LeXvVAfRRmcMFxOakU3oErSawD7qE1rP3BBQ3kCse6TOv9jpCN2Lq HFF0Iwcg==; Received: from [54.239.6.189] (helo=edge-cache-144.e-fra50.amazon.com) by casper.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1uTh8Q-00000003WtB-37QN; Mon, 23 Jun 2025 13:22:54 +0000 Message-ID: Subject: KVM: arm64: vgic-its: Return -ENXIO to invalid KVM_DEV_ARM_VGIC_GRP_CTRL attrs From: David Woodhouse To: Marc Zyngier , Oliver Upton , Joey Gouly , Suzuki K Poulose , Zenghui Yu , Catalin Marinas , Will Deacon , Jing Zhang , Kunkun Jiang , Paolo Bonzini , Sebastian Ott , Maxim Levitsky , Keisuke Nishimura , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org Date: Mon, 23 Jun 2025 15:22:52 +0200 Content-Type: multipart/signed; micalg="sha-256"; protocol="application/pkcs7-signature"; boundary="=-9SyjBzaP+qiGxEQMpbHF" User-Agent: Evolution 3.52.3-0ubuntu1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html --=-9SyjBzaP+qiGxEQMpbHF Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: David Woodhouse A preliminary version of a hack to invoke unmap_all_vpes() from an ioctl didn't work very well. We eventually determined this was because we were invoking it on the wrong file descriptor, but not getting an error. Signed-off-by: David Woodhouse Reviewed-by: Eric Auger --- arch/arm64/kvm/vgic/vgic-its.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm64/kvm/vgic/vgic-its.c b/arch/arm64/kvm/vgic/vgic-its.c index 534049c7c94b..b34f8976c9cc 100644 --- a/arch/arm64/kvm/vgic/vgic-its.c +++ b/arch/arm64/kvm/vgic/vgic-its.c @@ -2694,6 +2694,9 @@ static int vgic_its_ctrl(struct kvm *kvm, struct vgic= _its *its, u64 attr) case KVM_DEV_ARM_ITS_RESTORE_TABLES: ret =3D abi->restore_tables(its); break; + default: + ret =3D -ENXIO; + break; } =20 mutex_unlock(&its->its_lock); --=20 2.43.0 --=-9SyjBzaP+qiGxEQMpbHF Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCCD9Aw ggSOMIIDdqADAgECAhAOmiw0ECVD4cWj5DqVrT9PMA0GCSqGSIb3DQEBCwUAMGUxCzAJBgNVBAYT AlVTMRUwEwYDVQQKEwxEaWdpQ2VydCBJbmMxGTAXBgNVBAsTEHd3dy5kaWdpY2VydC5jb20xJDAi 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