From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sinmsgout01.his.huawei.com (sinmsgout01.his.huawei.com [119.8.177.36]) (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 797F7318BAF for ; Wed, 7 Jan 2026 16:12:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=119.8.177.36 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767802361; cv=none; b=d5UPVgPP92KtDm11oq/zkJclPKj9r7Hj0+OZmQ8oSrJM+8ft0Zq81sbQrfr3rnnRX27v0EObujN4uWSJ2Bu87yMPPOgDOmwCfpmqRq5tEf1Y7Wrhi3DwyLKQe522ALBmEJMGg0Lz+y46FkdeIvbh6mElVTU/spAytz5xQMP5BCE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767802361; c=relaxed/simple; bh=08V3A1CUeNqrrsFDdlmhFiwRCXZgzw8XqV+zmq8IxC4=; h=Date:From:To:CC:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=XVkFLuaoDJOZLhIs6siOVwj5Gi1CIiBwBuEy1WQ0GwgBPG8XpJkCCjXwhAGmiZIMKYYlkfppg377iQbHjvgHr9C832XXAVMEPh7b8DKgrIn01jcsDx/xswskSFH94qhobTnvw98kdFDTfZiKZ9GTZbL8LlmhzidlN8iSIkMx9lY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; dkim=pass (1024-bit key) header.d=huawei.com header.i=@huawei.com header.b=VhN3APYA; arc=none smtp.client-ip=119.8.177.36 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=huawei.com header.i=@huawei.com header.b="VhN3APYA" dkim-signature: v=1; a=rsa-sha256; d=huawei.com; s=dkim; c=relaxed/relaxed; q=dns/txt; h=From; bh=IfbhaZoobr3IKngcO11YDj7yW5shTZnJBe+jJ+BAfBo=; b=VhN3APYA8fOCtP255sVosi977cSkdzO8mKn3UVava9UwUOCUQTUaWdc7l5arsUs75em7L6fcJ /o7+P8CMCTahY56adRa26mRANolSi3mndLa9phf1cczgZmK0kbnbHJGSYjv/cLQ2lI1LDjP+1qQ UJS2/BlbKoHzgPV9FYyqcpU= Received: from frasgout.his.huawei.com (unknown [172.18.146.33]) by sinmsgout01.his.huawei.com (SkyGuard) with ESMTPS id 4dmY0B1pwTz1P6mx; Thu, 8 Jan 2026 00:10:02 +0800 (CST) Received: from mail.maildlp.com (unknown [172.18.224.150]) by frasgout.his.huawei.com (SkyGuard) with ESMTPS id 4dmY2s5wLjzJ4683; Thu, 8 Jan 2026 00:12:21 +0800 (CST) Received: from dubpeml100005.china.huawei.com (unknown [7.214.146.113]) by mail.maildlp.com (Postfix) with ESMTPS id 454BB4056B; Thu, 8 Jan 2026 00:12:25 +0800 (CST) Received: from localhost (10.203.177.15) by dubpeml100005.china.huawei.com (7.214.146.113) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.36; Wed, 7 Jan 2026 16:12:24 +0000 Date: Wed, 7 Jan 2026 16:12:23 +0000 From: Jonathan Cameron To: Sascha Bischoff CC: "linux-arm-kernel@lists.infradead.org" , "kvmarm@lists.linux.dev" , "kvm@vger.kernel.org" , nd , "maz@kernel.org" , "oliver.upton@linux.dev" , Joey Gouly , Suzuki Poulose , "yuzenghui@huawei.com" , "peter.maydell@linaro.org" , "lpieralisi@kernel.org" , Timothy Hayes Subject: Re: [PATCH v2 28/36] KVM: arm64: gic: Hide GICv5 for protected guests Message-ID: <20260107161223.0000307f@huawei.com> In-Reply-To: <20251219155222.1383109-29-sascha.bischoff@arm.com> References: <20251219155222.1383109-1-sascha.bischoff@arm.com> <20251219155222.1383109-29-sascha.bischoff@arm.com> X-Mailer: Claws Mail 4.3.0 (GTK 3.24.42; x86_64-w64-mingw32) Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: lhrpeml500011.china.huawei.com (7.191.174.215) To dubpeml100005.china.huawei.com (7.214.146.113) On Fri, 19 Dec 2025 15:52:45 +0000 Sascha Bischoff wrote: > We don't support running protected guest with GICv5 at the > moment. Therefore, be sure that we don't expose it to the guest at all Tidy up line wrap to 75 ish chars. > by actively hiding it when running a protected guest. > > Signed-off-by: Sascha Bischoff Seems fine to me, but I know almost nothing about protected guests, so no tag.