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 D674EC4828F for ; Thu, 8 Feb 2024 12:29:32 +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=lQfGCjdpsz4UruVbughBFxgR+63Tcar/sRO2UAFZh6Y=; b=YTVOR8bCy9iAMF 6Lc1oC0BWIkBfPVDM+JJFVcHad+1KdTPeRctgcd4jeAQmRO9EntyfaKyNyVnQ12PVP2w6GoiwB7RE hamX/Z3ycS/3uJqMPlHBuyA1A4Jk7+C2FpdDnu3avwZbSPg5k0ANt02h/nMLzTdwsbuJEVbh14zMO Dwra5tA3q++9BU8cG7yu1bNLLhBptyHkMTz88b0+sUuZDoXn9E1ZGb3bBLBTHCqG8/MTZNjF49nWd 9pRDs10LURnKrO2w/q+elW08PaMIZDM1Karv1+0fRIh28ra0gQWYYCaWedj/rRwATwap93GLjozsB yZc/pvPHrPLLad8lXuAQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rY3Wr-0000000DiuQ-3Xtp; Thu, 08 Feb 2024 12:29:21 +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 1rY3Wo-0000000Ditm-3Qkg for linux-arm-kernel@lists.infradead.org; Thu, 08 Feb 2024 12:29:20 +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 B2C2A1FB; Thu, 8 Feb 2024 04:29:58 -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 3FA793F5A1; Thu, 8 Feb 2024 04:29:15 -0800 (PST) Date: Thu, 8 Feb 2024 12:29:13 +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 10/10] KVM: arm64: Handle Apple M2 as not having HCR_EL2.NV1 implemented Message-ID: References: <20240122181344.258974-1-maz@kernel.org> <20240122181344.258974-11-maz@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20240122181344.258974-11-maz@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240208_042918_935005_9A54137D X-CRM114-Status: UNSURE ( 9.56 ) 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 06:13:44PM +0000, Marc Zyngier wrote: > Although the Apple M2 family of CPUs can have HCR_EL2.NV1 being > set and clear, with the change in trap behaviour being OK, they > explode spectacularily on an EL2 S1 page table using the nVHE > format. This is no good. > > Let's pretend this HW doesn't have NV1, and move along. > > Signed-off-by: Marc Zyngier Acked-by: Catalin Marinas _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel