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[213.175.37.12]) by smtp.gmail.com with ESMTPSA id b16sm1605797wrw.46.2021.10.04.03.12.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Oct 2021 03:12:41 -0700 (PDT) Date: Mon, 4 Oct 2021 12:12:40 +0200 From: Andrew Jones To: Marc Zyngier Subject: Re: [PATCH v2 5/5] hw/arm/virt: Disable highmem devices that don't fit in the PA range Message-ID: <20211004101240.fdf2mty5jvnler33@gator> References: <20211003164605.3116450-1-maz@kernel.org> <20211003164605.3116450-6-maz@kernel.org> MIME-Version: 1.0 In-Reply-To: <20211003164605.3116450-6-maz@kernel.org> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=drjones@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Received-SPF: pass client-ip=216.205.24.124; envelope-from=drjones@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.055, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , kvm@vger.kernel.org, qemu-devel@nongnu.org, Eric Auger , kernel-team@android.com, kvmarm@lists.cs.columbia.edu Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Sun, Oct 03, 2021 at 05:46:05PM +0100, Marc Zyngier wrote: > Make sure both the highmem PCIe and GICv3 regions are disabled when > they don't fully fit in the PA range. > > Signed-off-by: Marc Zyngier > --- > hw/arm/virt.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/hw/arm/virt.c b/hw/arm/virt.c > index a572e0c9d9..756f67b6c8 100644 > --- a/hw/arm/virt.c > +++ b/hw/arm/virt.c > @@ -1673,6 +1673,9 @@ static void virt_set_memmap(VirtMachineState *vms, int pa_bits) > if (base <= BIT_ULL(pa_bits)) { > vms->highest_gpa = base -1; > } else { > + /* Advertise that we have disabled the highmem devices */ > + vms->highmem_ecam = false; > + vms->highmem_redists = false; > vms->highest_gpa = memtop - 1; > } > > -- > 2.30.2 > Reviewed-by: Andrew Jones 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2F714C433F5 for ; Mon, 4 Oct 2021 10:12:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 06D3F613A1 for ; Mon, 4 Oct 2021 10:12:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230086AbhJDKOd (ORCPT ); Mon, 4 Oct 2021 06:14:33 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:57394 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229478AbhJDKOd (ORCPT ); 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[213.175.37.12]) by smtp.gmail.com with ESMTPSA id b16sm1605797wrw.46.2021.10.04.03.12.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Oct 2021 03:12:41 -0700 (PDT) Date: Mon, 4 Oct 2021 12:12:40 +0200 From: Andrew Jones To: Marc Zyngier Cc: qemu-devel@nongnu.org, Eric Auger , Peter Maydell , kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, kernel-team@android.com Subject: Re: [PATCH v2 5/5] hw/arm/virt: Disable highmem devices that don't fit in the PA range Message-ID: <20211004101240.fdf2mty5jvnler33@gator> References: <20211003164605.3116450-1-maz@kernel.org> <20211003164605.3116450-6-maz@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211003164605.3116450-6-maz@kernel.org> Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Sun, Oct 03, 2021 at 05:46:05PM +0100, Marc Zyngier wrote: > Make sure both the highmem PCIe and GICv3 regions are disabled when > they don't fully fit in the PA range. > > Signed-off-by: Marc Zyngier > --- > hw/arm/virt.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/hw/arm/virt.c b/hw/arm/virt.c > index a572e0c9d9..756f67b6c8 100644 > --- a/hw/arm/virt.c > +++ b/hw/arm/virt.c > @@ -1673,6 +1673,9 @@ static void virt_set_memmap(VirtMachineState *vms, int pa_bits) > if (base <= BIT_ULL(pa_bits)) { > vms->highest_gpa = base -1; > } else { > + /* Advertise that we have disabled the highmem devices */ > + vms->highmem_ecam = false; > + vms->highmem_redists = false; > vms->highest_gpa = memtop - 1; > } > > -- > 2.30.2 > Reviewed-by: Andrew Jones 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AFC05C433F5 for ; Mon, 4 Oct 2021 10:12:50 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 2C97E6128A for ; Mon, 4 Oct 2021 10:12:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 2C97E6128A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id A0C474B238; 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[213.175.37.12]) by smtp.gmail.com with ESMTPSA id b16sm1605797wrw.46.2021.10.04.03.12.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Oct 2021 03:12:41 -0700 (PDT) Date: Mon, 4 Oct 2021 12:12:40 +0200 From: Andrew Jones To: Marc Zyngier Subject: Re: [PATCH v2 5/5] hw/arm/virt: Disable highmem devices that don't fit in the PA range Message-ID: <20211004101240.fdf2mty5jvnler33@gator> References: <20211003164605.3116450-1-maz@kernel.org> <20211003164605.3116450-6-maz@kernel.org> MIME-Version: 1.0 In-Reply-To: <20211003164605.3116450-6-maz@kernel.org> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=drjones@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Cc: kvm@vger.kernel.org, qemu-devel@nongnu.org, kernel-team@android.com, kvmarm@lists.cs.columbia.edu X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu On Sun, Oct 03, 2021 at 05:46:05PM +0100, Marc Zyngier wrote: > Make sure both the highmem PCIe and GICv3 regions are disabled when > they don't fully fit in the PA range. > > Signed-off-by: Marc Zyngier > --- > hw/arm/virt.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/hw/arm/virt.c b/hw/arm/virt.c > index a572e0c9d9..756f67b6c8 100644 > --- a/hw/arm/virt.c > +++ b/hw/arm/virt.c > @@ -1673,6 +1673,9 @@ static void virt_set_memmap(VirtMachineState *vms, int pa_bits) > if (base <= BIT_ULL(pa_bits)) { > vms->highest_gpa = base -1; > } else { > + /* Advertise that we have disabled the highmem devices */ > + vms->highmem_ecam = false; > + vms->highmem_redists = false; > vms->highest_gpa = memtop - 1; > } > > -- > 2.30.2 > Reviewed-by: Andrew Jones _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm