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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 36536C282CD for ; Mon, 3 Mar 2025 14:47:16 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tp74V-0007Rt-HB; Mon, 03 Mar 2025 09:47:07 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tp74Q-0007Ov-6d for qemu-devel@nongnu.org; Mon, 03 Mar 2025 09:47:02 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tp74O-0005ZM-BV for qemu-devel@nongnu.org; Mon, 03 Mar 2025 09:47:01 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1741013219; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=G+B17IuXkn6LuQRjFqIfgufnVO9B1tTYOKjg3o4OoK8=; b=KiW7sUedJ0i0m/m9PE4cLNfvJdFFoRFgbxXNbrdrdeZQsJ7LDAWYliFtSADR+RCFMjByXm aNQKordvXzMQE0JksdodBxN+ySfp9KkFV4xlcIUt4LMd3GR2ZhHUmCHILVhWbtnsqGHB7N nlKnSwhMZ7EbBiOG4bjFyoQC+Jo3RzA= Received: from mail-wr1-f71.google.com (mail-wr1-f71.google.com [209.85.221.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-16-DRwEmJJSOX6FhDbIUDTcBg-1; Mon, 03 Mar 2025 09:46:57 -0500 X-MC-Unique: DRwEmJJSOX6FhDbIUDTcBg-1 X-Mimecast-MFC-AGG-ID: DRwEmJJSOX6FhDbIUDTcBg_1741013217 Received: by mail-wr1-f71.google.com with SMTP id ffacd0b85a97d-390de58dc4eso4237299f8f.0 for ; Mon, 03 Mar 2025 06:46:57 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1741013215; x=1741618015; h=content-transfer-encoding:in-reply-to:autocrypt:content-language :from:references:cc:to:subject:user-agent:mime-version:date :message-id:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=G+B17IuXkn6LuQRjFqIfgufnVO9B1tTYOKjg3o4OoK8=; b=JLUZ+/9cQfeWQN7NBjnTk8RtvhyUW/1gknuZympneHfN/m3He90sOalHkxK/mHCkbN eYGKbDveaFKXLT00t4WuLet6133uj/Lv1tA6QtRRbPN0gJ5WlyMFdhGf5FBvmXEAIE4z KrNlnGnWZeBdzijUKad3eowItE9TjUgr9uR1H2ANydLRlBZjNftq5CjodLdwzdhgFxIF 1UMIi2D4eyIqBhBCW/o10z1GPu7HU9bxYepcyLKF1X6hn663ZgcdbjLKrpNwUkFKi1DI hxPP0dJ8ospbQq7mbg3XlB5/CPKV8/raQq/VXxQ2HxDxl6ytEq3kNRZ9KygonGWW94nC Dbcg== X-Gm-Message-State: AOJu0YwDdydqx65hSvyRVZuSBoWJoFFn3euC5I04FNhh6BeU7HWtUPjh FaUNSiWJxufzr8Ri2RYrgzsUnlcRzfcPJ/b0BYbhPKnkJbBYbCaWHojIROcwFmDhwyGeYtklCFz Ia3fzshzykuYvbMYBAfGHk3hNW6eC2SJy2xVtkUkcX5BL3/SR7UrERwMXXZ2xJRI= X-Gm-Gg: ASbGnctQk5gq5sLZG8XC9Cn3l/uFHsus8u0gctsxffZ5hQzV8F+i909M83WpoYdAlG9 n9tJs3yaxI8MxJZGpMBWvZyZUfaPa5/Og5Q/5FSGXal4nzeX2IDrvrcXyQI6oFdMIzXk1OJ4Vl8 gXqnulW3nFnv4nFwl6n6HhdIONYj+Q0CjBePWFQLfEe78yH5n9Cza1aEkwGRVCnyr7hlNotI6+n 1FgqbeOxoweADv4ovBqOj4+csrpOsh+pVihxeuzi4o6wjJONZ98w9ncVCD11jW5Pj0VhknxfXSU uup+q8RzEs27RtzGh9A= X-Received: by 2002:a5d:6da2:0:b0:390:e9b5:d69c with SMTP id ffacd0b85a97d-390ec9bbba2mr14993399f8f.25.1741013215179; Mon, 03 Mar 2025 06:46:55 -0800 (PST) X-Google-Smtp-Source: AGHT+IFjNoWvDH3yDS4tVLAlEkG5ZRRmi9nQoybhiDVCzZQ/rG6JD4u/v9sjJ1mBbQondZtWKuINmA== X-Received: by 2002:a5d:6d09:0:b0:391:4f9:a048 with SMTP id ffacd0b85a97d-39104f9a5d5mr3941285f8f.4.1741013204194; Mon, 03 Mar 2025 06:46:44 -0800 (PST) Received: from [192.168.10.48] ([151.95.119.44]) by smtp.googlemail.com with ESMTPSA id ffacd0b85a97d-390e485dbe7sm14813858f8f.93.2025.03.03.06.46.42 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 03 Mar 2025 06:46:42 -0800 (PST) Message-ID: <270cc189-e3b2-4bf4-b32b-8655be51bcb4@redhat.com> Date: Mon, 3 Mar 2025 15:46:41 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/2] vfio: Make vfio-pci available on 64-bit host platforms only To: =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= , BALATON Zoltan , =?UTF-8?Q?C=C3=A9dric_Le_Goater?= Cc: qemu-devel@nongnu.org, Alex Williamson , Harsh Prateek Bora , Tony Krowiak , Eric Farman , Eric Auger References: <20250226084721.232703-1-clg@redhat.com> <20250226084721.232703-2-clg@redhat.com> From: Paolo Bonzini Content-Language: en-US Autocrypt: addr=pbonzini@redhat.com; keydata= xsEhBFRCcBIBDqDGsz4K0zZun3jh+U6Z9wNGLKQ0kSFyjN38gMqU1SfP+TUNQepFHb/Gc0E2 CxXPkIBTvYY+ZPkoTh5xF9oS1jqI8iRLzouzF8yXs3QjQIZ2SfuCxSVwlV65jotcjD2FTN04 hVopm9llFijNZpVIOGUTqzM4U55sdsCcZUluWM6x4HSOdw5F5Utxfp1wOjD/v92Lrax0hjiX DResHSt48q+8FrZzY+AUbkUS+Jm34qjswdrgsC5uxeVcLkBgWLmov2kMaMROT0YmFY6A3m1S P/kXmHDXxhe23gKb3dgwxUTpENDBGcfEzrzilWueOeUWiOcWuFOed/C3SyijBx3Av/lbCsHU Vx6pMycNTdzU1BuAroB+Y3mNEuW56Yd44jlInzG2UOwt9XjjdKkJZ1g0P9dwptwLEgTEd3Fo UdhAQyRXGYO8oROiuh+RZ1lXp6AQ4ZjoyH8WLfTLf5g1EKCTc4C1sy1vQSdzIRu3rBIjAvnC tGZADei1IExLqB3uzXKzZ1BZ+Z8hnt2og9hb7H0y8diYfEk2w3R7wEr+Ehk5NQsT2MPI2QBd wEv1/Aj1DgUHZAHzG1QN9S8wNWQ6K9DqHZTBnI1hUlkp22zCSHK/6FwUCuYp1zcAEQEAAc0j UGFvbG8gQm9uemluaSA8cGJvbnppbmlAcmVkaGF0LmNvbT7CwU0EEwECACMFAlRCcBICGwMH CwkIBwMCAQYVCAIJCgsEFgIDAQIeAQIXgAAKCRB+FRAMzTZpsbceDp9IIN6BIA0Ol7MoB15E 11kRz/ewzryFY54tQlMnd4xxfH8MTQ/mm9I482YoSwPMdcWFAKnUX6Yo30tbLiNB8hzaHeRj jx12K+ptqYbg+cevgOtbLAlL9kNgLLcsGqC2829jBCUTVeMSZDrzS97ole/YEez2qFpPnTV0 VrRWClWVfYh+JfzpXmgyhbkuwUxNFk421s4Ajp3d8nPPFUGgBG5HOxzkAm7xb1cjAuJ+oi/K CHfkuN+fLZl/u3E/fw7vvOESApLU5o0icVXeakfSz0LsygEnekDbxPnE5af/9FEkXJD5EoYG SEahaEtgNrR4qsyxyAGYgZlS70vkSSYJ+iT2rrwEiDlo31MzRo6Ba2FfHBSJ7lcYdPT7bbk9 AO3hlNMhNdUhoQv7M5HsnqZ6unvSHOKmReNaS9egAGdRN0/GPDWr9wroyJ65ZNQsHl9nXBqE AukZNr5oJO5vxrYiAuuTSd6UI/xFkjtkzltG3mw5ao2bBpk/V/YuePrJsnPFHG7NhizrxttB nTuOSCMo45pfHQ+XYd5K1+Cv/NzZFNWscm5htJ0HznY+oOsZvHTyGz3v91pn51dkRYN0otqr bQ4tlFFuVjArBZcapSIe6NV8C4cEiSTOwE0EVEJx7gEIAMeHcVzuv2bp9HlWDp6+RkZe+vtl KwAHplb/WH59j2wyG8V6i33+6MlSSJMOFnYUCCL77bucx9uImI5nX24PIlqT+zasVEEVGSRF m8dgkcJDB7Tps0IkNrUi4yof3B3shR+vMY3i3Ip0e41zKx0CvlAhMOo6otaHmcxr35sWq1Jk tLkbn3wG+fPQCVudJJECvVQ//UAthSSEklA50QtD2sBkmQ14ZryEyTHQ+E42K3j2IUmOLriF dNr9NvE1QGmGyIcbw2NIVEBOK/GWxkS5+dmxM2iD4Jdaf2nSn3jlHjEXoPwpMs0KZsgdU0pP JQzMUMwmB1wM8JxovFlPYrhNT9MAEQEAAcLBMwQYAQIACQUCVEJx7gIbDAAKCRB+FRAMzTZp sadRDqCctLmYICZu4GSnie4lKXl+HqlLanpVMOoFNnWs9oRP47MbE2wv8OaYh5pNR9VVgyhD OG0AU7oidG36OeUlrFDTfnPYYSF/mPCxHttosyt8O5kabxnIPv2URuAxDByz+iVbL+RjKaGM GDph56ZTswlx75nZVtIukqzLAQ5fa8OALSGum0cFi4ptZUOhDNz1onz61klD6z3MODi0sBZN Aj6guB2L/+2ZwElZEeRBERRd/uommlYuToAXfNRdUwrwl9gRMiA0WSyTb190zneRRDfpSK5d usXnM/O+kr3Dm+Ui+UioPf6wgbn3T0o6I5BhVhs4h4hWmIW7iNhPjX1iybXfmb1gAFfjtHfL xRUr64svXpyfJMScIQtBAm0ihWPltXkyITA92ngCmPdHa6M1hMh4RDX+Jf1fiWubzp1voAg0 JBrdmNZSQDz0iKmSrx8xkoXYfA3bgtFN8WJH2xgFL28XnqY4M6dLhJwV3z08tPSRqYFm4NMP dRsn0/7oymhneL8RthIvjDDQ5ktUjMe8LtHr70OZE/TT88qvEdhiIVUogHdo4qBrk41+gGQh b906Dudw5YhTJFU3nC6bbF2nrLlB4C/XSiH76ZvqzV0Z/cAMBo5NF/w= In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.133.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.01, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 3/3/25 15:30, Philippe Mathieu-Daudé wrote: >>>> I see PPC is defined in target/ppc/Kconfig so I think these mark the >>>> target not the host. Vfio-pci works with qemu-system-ppc >> >> I've seen people do this on x86_64 host > > Since this patch does: > >   LINUX && PCI && (...  X86_64 ...) > > these users won't see any change. This is wrong---clearly this patch was never tested on the 32-bit platforms where it was supposed to have an effect. For VFIO_PLATFORM, no objections to deprecating this. Paolo