From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-189.mta1.migadu.com (out-189.mta1.migadu.com [95.215.58.189]) (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 D61601714A0 for ; Sat, 21 Dec 2024 21:59:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.189 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734818392; cv=none; b=jPmiCIzq+7mfYNYmBqhG/1u4JcsXTgSdl6PPbn+g3f1gaxIr2FGT3Pu6H0gSE8W6fCDp1/L/qCUPBtoAWOHEclXUHx/H/1n9wwPeuHIHqLPFyCvfiGovUYQl06VpUpTqm8GhCzhqL0ubY6JQzbtZAS0/E8kdM3RoUbUv2H6cWdg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734818392; c=relaxed/simple; bh=q7H+q7RwLWdTFqmWeeYtoEabZmWvRkH8/I3tvAaQkDg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=E0ouy54/A7YwzjASZeAZEk/+w5USw8nXEOQPPbdIb0pi2lybFEwjiwjg3cXd1Ere2DG/9iCdvb5TM5d4rj/ZJHXT6D88c3yuLLHygRAWXcLa2F/pBYh797Z65Dl+agySOVeAODBzksfAu6R+WPe+aw4Oygk/jArha8sAEim0cCo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=kooNmr1H; arc=none smtp.client-ip=95.215.58.189 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="kooNmr1H" Date: Sat, 21 Dec 2024 13:59:43 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1734818388; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=99plZstsQ2y7N4k+BZHSEU8wjYN1TzFeqMdUoCS0IB0=; b=kooNmr1Hhi2lrqZmoEA/krEiUgcdJjTIFZc56jKefODAgMj+PZiEwcvtdO7V4HXqy0pFc7 9O3HEQdbK2VtoDyI9c7zIS77Ipl/9IEdpWHWZaq0+OWG0vL4wS381d/ke9WsDWGM0i46Nk g7WSi1aj+A3d57DWNeIe1LzB99yei0U= X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Oliver Upton To: Marc Zyngier Cc: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Joey Gouly , Suzuki K Poulose , Zenghui Yu Subject: Re: [PATCH] KVM: arm64: nv: Advertise the lack of AArch32 EL0 support Message-ID: References: <20241221101137.1405271-1-maz@kernel.org> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241221101137.1405271-1-maz@kernel.org> X-Migadu-Flow: FLOW_OUT On Sat, Dec 21, 2024 at 10:11:37AM +0000, Marc Zyngier wrote: > Although we never supported 32bit anywhere in NV, we fail to > advertise so for EL0, probably owing to the relative lack of > hardware supporting both NV2 and 32bit EL0. > > Add some sanitising to ID_AA64PFR0_EL1.EL0, and reaffirm that > "in 64bit-only we trust". > > Reported-by: Oliver Upton > Signed-off-by: Marc Zyngier Thanks! Acked-by: Oliver Upton -- Thanks, Oliver