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 B3B28C07545 for ; Tue, 24 Oct 2023 06:58:03 +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=zlEQeAHqXkWthXBRvUYX9++BoJ8gKEN8roFlFyQGM34=; b=WTnYs5lHppqcrZ 1ukXGwakuJYVTmrtkuLDuD81rszF/83TEdHYSN2j1Xb1U18OplICvEP7exY5Thjrz1T3UGK7PSk0n s46qla9QpY40uuxBuCdhlN2zd1Ag1cztVMzZUsDpmaInUmo7SbCE0BOjWsdye6yXsH4FMRILrnz71 trUHSzlmVe0aAjPOHom3Q2Zdu4h33TMvZU/8lGp8xboggwzc92YJc8KeQQq/XTX2ynkIeshpWotei 5kf5MRKoJHxXhgg+Ire9taHtM5Q2vvBmCuHQxA/I06PkcPDfJ5hlC3R3OT3ehumXJ0sp2qY+39Ff3 Ode5vtEuzrKfb+IG4rCg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qvBM4-0091bU-2v; Tue, 24 Oct 2023 06:57:32 +0000 Received: from out-205.mta0.migadu.com ([91.218.175.205]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qvBM1-0091b2-1V for linux-arm-kernel@lists.infradead.org; Tue, 24 Oct 2023 06:57:30 +0000 Date: Tue, 24 Oct 2023 06:57:22 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1698130646; 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=rZvHR2753w1IVvTsDnjDgM6hOPPUQB3QYpaPT1D0Zpo=; b=PUH4LJt5vqji+fL8v80jFVKkb9+jjvj6wl+BHfSDhN2+uHoiWluneK9z51faqy9PzikIVC AJEr2+UwSkATeyzv2luH64pLRlPYl98Z1CFIBAhw+Mf2lVVgbckP8I0l2qdd9U2l+Iz2QC yRhPpjqHrGfcytJM5aeLZ9yoA3LPqy0= X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Oliver Upton To: Ard Biesheuvel Cc: linux-arm-kernel@lists.infradead.org, Ard Biesheuvel , Catalin Marinas , Will Deacon , Marc Zyngier , Mark Rutland , Ryan Roberts , Anshuman Khandual , Kees Cook , Joey Gouly Subject: Re: [PATCH v4 57/61] arm64: kvm: Limit HYP VA and host S2 range to 48 bits when LPA2 is in effect Message-ID: References: <20230912141549.278777-63-ardb@google.com> <20230912141549.278777-120-ardb@google.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230912141549.278777-120-ardb@google.com> X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231023_235729_663349_6B6A333F X-CRM114-Status: GOOD ( 10.66 ) 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 Tue, Sep 12, 2023 at 02:16:47PM +0000, Ard Biesheuvel wrote: > From: Ard Biesheuvel > > The KVM code needs more work to support 5 level paging with LPA2, so for > the time being, limit KVM to 48 bit addressing on 4k and 16k pagesize > configurations. This can be reverted once the LPA2 support for KVM is > merged. > > Signed-off-by: Ard Biesheuvel Acked-by: Oliver Upton -- Thanks, Oliver _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel