From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E328DC4828F for ; Thu, 8 Feb 2024 12:26:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=wvnFHA74igwufg58w/hlsvDpLp1m18P8plsyxDRDoCA=; b=lLcYDmjmXqy1MH 1N9ruEhrA1EMR+3A9gUjP9pMVAtyJFaTMzeknEfMXPpDvMgB4+jadziSjDLs+gQpxtO5aygJTRdKI uSfjdC5dXzX2L7lr3q5u0QS50a0g30PFLd9rVhAKUHmlGWLRuLcAUi+gjL68yEh02EurNIge3xQqk FL+ExNf88zG02PukWXAaUXofVxJ0JZF7snPGn1VsdsN7A+FiGkMwvkd9VomqPJAyMQADbx+17/QYR G6tl3KdL1OLkcll8i4g4kPqbyH4KAegPqWU9Z0EhZA/G53+7r96Vx6JX6autkQKHw+I3dYJUc9tv5 mW6SjnlgQVs+kCw/0nkg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rY3U8-0000000DicB-3K11; Thu, 08 Feb 2024 12:26:32 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rY3U6-0000000DibN-1BJq for linux-arm-kernel@lists.infradead.org; Thu, 08 Feb 2024 12:26:31 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 6BA3D1FB; Thu, 8 Feb 2024 04:27:09 -0800 (PST) Received: from arm.com (RQ4T19M611.cambridge.arm.com [10.1.31.53]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id DAF233F5A1; Thu, 8 Feb 2024 04:26:25 -0800 (PST) Date: Thu, 8 Feb 2024 12:26:23 +0000 From: Catalin Marinas To: Marc Zyngier Cc: linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, Will Deacon , Mark Rutland , Suzuki K Poulose , Ard Biesheuvel , James Morse , Oliver Upton , Zenghui Yu Subject: Re: [PATCH v4 06/10] arm64: cpufeature: Detect HCR_EL2.NV1 being RES0 Message-ID: References: <20240122181344.258974-1-maz@kernel.org> <20240122181344.258974-7-maz@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20240122181344.258974-7-maz@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240208_042630_407351_FC87F29F X-CRM114-Status: UNSURE ( 8.87 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Jan 22, 2024 at 06:13:40PM +0000, Marc Zyngier wrote: > A variant of FEAT_E2H0 not being implemented exists in the form of > HCR_EL2.E2H being RES1 *and* HCR_EL2.NV1 being RES0 (indicating that > only VHE is supported on the host and nested guests). > > Add the necessary infrastructure for this new CPU capability. > > Reviewed-by: Suzuki K Poulose > Signed-off-by: Marc Zyngier Reviewed-by: Catalin Marinas _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel