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 53D6B34D4C6 for ; Wed, 7 Jan 2026 16:13:09 +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=1767802395; cv=none; b=cdXNfhFeygHvaYML+pARjwS967k9RPOoAicpz1BLhg5TKzKLijkYUaNYfAIIyLbROOOSBrIvGFxIzVVLAOq4qQGPg68nW9PND8DM4TaayRQQWEn8mOZoFScm0+z1DJegoPnVEb9LbvOI8J3riFMYNHbCLP8Fdtl1Y3vhRe/UZ3o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767802395; c=relaxed/simple; bh=NkzegpdHfjoedUnY83okiK/zwnS60pk4peMXfbe4QUo=; h=Date:From:To:CC:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=RJLdctDkI/iHywGflc3FDZT8KA97NjNM3T7Mdqb2aYruTtWkC+6HjKw2CRBG+GriNssb9L70ohfCyAa3tUjVLN5EJ+1wHU8i+Oifo043rf8nY3TNMwqhgOm38offRbI2eLLyp2ar90LV4lb0lcTfZoe+QRncqvMpSVWK5AmdpJ0= 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=RTq+K4Uq; 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="RTq+K4Uq" dkim-signature: v=1; a=rsa-sha256; d=huawei.com; s=dkim; c=relaxed/relaxed; q=dns/txt; h=From; bh=wmClf/DpRm1O0q3u5kTCy3g7sCT/97ATQsJnWVzDbpU=; b=RTq+K4UquUAb3nrBVWcz3v69WzNI6BJ3UPJfIlYaXFbArRrdNh7aZ5MC0ZnRfkcnZ8FSAq79i 4pD/+gjFoDxlb3dLCn6C5tOcjw0qk4k1atljLT8WLioUvKXKxcJZim56RcbZQi5EZmfHbB2izm8 XUpSs1iw6jA9pOS8C/bme+U= Received: from frasgout.his.huawei.com (unknown [172.18.146.33]) by sinmsgout01.his.huawei.com (SkyGuard) with ESMTPS id 4dmY0t6Pp3z1P6jW; Thu, 8 Jan 2026 00:10:38 +0800 (CST) Received: from mail.maildlp.com (unknown [172.18.224.150]) by frasgout.his.huawei.com (SkyGuard) with ESMTPS id 4dmY3Z4Pv4zJ4673; Thu, 8 Jan 2026 00:12:58 +0800 (CST) Received: from dubpeml100005.china.huawei.com (unknown [7.214.146.113]) by mail.maildlp.com (Postfix) with ESMTPS id 1047A4056A; Thu, 8 Jan 2026 00:13:02 +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 16:13:01 +0000 Date: Wed, 7 Jan 2026 16:13:00 +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 29/36] KVM: arm64: gic-v5: Hide FEAT_GCIE from NV GICv5 guests Message-ID: <20260107161300.00003470@huawei.com> In-Reply-To: <20251219155222.1383109-30-sascha.bischoff@arm.com> References: <20251219155222.1383109-1-sascha.bischoff@arm.com> <20251219155222.1383109-30-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 15:52:46 +0000 Sascha Bischoff wrote: > Currently, NV guests are not supported with GICv5. Therefore, make > sure that FEAT_GCIE is always hidden from such guests. > > Signed-off-by: Sascha Bischoff Reviewed-by: Jonathan Cameron