From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D1E22235C1E for ; Thu, 12 Jun 2025 17:39:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749749953; cv=none; b=n8ICYT5rfqJ6Wq3404zj1BGWXe+0N7k0jfJy4r9bU0pciKK1y+Dkb3xsh3HzSr2PNMFqNMZsSr8woXQVruZDrhOvk+QA5bOVboxXFtFTc75DAtn/hq0bnGhQAzgs55BuHcNrAefxZQL4ZuA9s6xiajemKacXKx54swd7aL/8mIQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749749953; c=relaxed/simple; bh=htmKjBw3yxstB41esrtvXr81VHNm7ow+PpovEBzF02U=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=UI4zKKKOh61Hrrrn0eTAoXtHZaGX8w00rmlKz2ohi0EcbYd8Hh/aHaQBXbHsuON6RS37rCamvfGulpIRcqt723knAA4T9VrOSTxheu3cUMFX0gjNE0PBtP8YVrwKPBiWB0hh++iqxoCrv2wp0sqis8pLFz5dUfhqrzszF1cJT+A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=blQXN/HA; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="blQXN/HA" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1749749948; 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=8jkr1vunW5l4QoCKJxi6IrvRVyLhU3+PFJ//nLy1Cps=; b=blQXN/HA/7I3b6vbrhREOmO+mh6HSd5sfbYWaZouhRdsD42bFC5eL1DvRQEPayej9y5mE4 ElG0aUMSkbS389i6yMcHrzjVs/I2Gp/KuMB4vSrpeQTF/MhAm9xQjoIt6T4JPV7eq/WStl v8M3oMVbpD5ijWBV2aTBsKmIxejCiS4= Received: from mail-wm1-f72.google.com (mail-wm1-f72.google.com [209.85.128.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-478-idXFRCs6Myy3r4mv-RbUtg-1; Thu, 12 Jun 2025 13:39:05 -0400 X-MC-Unique: idXFRCs6Myy3r4mv-RbUtg-1 X-Mimecast-MFC-AGG-ID: idXFRCs6Myy3r4mv-RbUtg_1749749944 Received: by mail-wm1-f72.google.com with SMTP id 5b1f17b1804b1-450de98b28eso10984745e9.0 for ; Thu, 12 Jun 2025 10:39:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1749749944; x=1750354744; h=content-transfer-encoding:in-reply-to:organization: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=8jkr1vunW5l4QoCKJxi6IrvRVyLhU3+PFJ//nLy1Cps=; b=aE+yaQA0sWQVbxPXshYu7SdQKN0e+23XpYl6tYRnx1grSPIBf3BcSqf4RdvUkshBRl HeMD13JTiaH4DfaHfO+7iFPmVeMTfwQYERX2ozT5iCFwlmtRntgzUx6Uf8QBSGXIpghT 9cb5p/T2aSy1cNwi6GogMhluXs5kAc9yhgtTcXMSyWA+uSdomSkm4RKC9fpS3E2dKwwA QZFfxx2O+obxIuHNS8BwzpFMn5OtpXuo+f69OjW3mV2nkxPy7oV9VVcM/J4na2N48IAx qDXSG4XOVRihhiqNl2dUskOmer835HtOxmbCSJC358FArHpwOevaKopQ8JpkjJLB5QhI wCnQ== X-Forwarded-Encrypted: i=1; AJvYcCWpmXWpkuMXhJeCi/W2t4G08S21evrMOCJz1fSQ2HQsscM6/T3O8JxhEHFqK4gShYbocUSPnTQ=@lists.linux.dev X-Gm-Message-State: AOJu0YzdAiNZ3L4jEp3+HvSOhGRlWsejFugaV+EXq7doW6D8V9fkDSSq dm37o3dn14+QnIj4Umn72jfV3vV4t5uk/lqlRTyC+cw0pNBSh1/otU2wyE4X4RcihZT1iqIxPtL SFN1DfAaK1k+hDWz+eUCWaUjk8C6SJSp/JbAgofs5KF7O+BAMbcRXdDEQZQ== X-Gm-Gg: ASbGncvQLSO7a+8lzRjF0XNDPckY4qHlx6B7mxZpAyWgQEyYjyVYLXXsIEGSIqGyKeB kaCmNkhAlWWzy6JNVRSW2frc2LDqGblmPOqDOSddjfrPKKspc+2xCHUaI0R1YleuQlXx/NcJMct Tiw9hVskiJqzku96LZnD34tH8NGsH+lPOpgmTavB/Ou172U+3yWUSl+doqd0dfXNZd1RWKds7yL /BYRhleHMLH9HzvwJea1TWMshMvJLyVzLvQqjWYBy2bNqpLj+qnEhjhJ7ea4kECXQ4JJFzPxVHK BYviRgiZa9CyCcEHf0WQgMHITNeePJ9TUJsu9B6WpDEHOsAbr0gVgSNSWc/eAGJ5zkh7MZHUKta mIeujOHsc4X5roZ8CA3pXYMhdkfdc7aHnGxyL1foo11UnPY9yFA== X-Received: by 2002:a05:6000:22c4:b0:3a4:f722:a46b with SMTP id ffacd0b85a97d-3a5607fa691mr3605483f8f.15.1749749944114; Thu, 12 Jun 2025 10:39:04 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGRLoaK04RK2BYkhZT4etRYoZyIEx1qjVBjHJm95jmASsKkTB71kuklaJTyeOnu9kKWd5q5Zw== X-Received: by 2002:a05:6000:22c4:b0:3a4:f722:a46b with SMTP id ffacd0b85a97d-3a5607fa691mr3605415f8f.15.1749749943564; Thu, 12 Jun 2025 10:39:03 -0700 (PDT) Received: from ?IPV6:2003:d8:2f2c:1e00:1e1e:7a32:e798:6457? (p200300d82f2c1e001e1e7a32e7986457.dip0.t-ipconnect.de. [2003:d8:2f2c:1e00:1e1e:7a32:e798:6457]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4532e2449f1sm27719925e9.23.2025.06.12.10.38.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 12 Jun 2025 10:39:01 -0700 (PDT) Message-ID: <80e062dd-2445-45a6-ba4a-8f5fe3286909@redhat.com> Date: Thu, 12 Jun 2025 19:38:57 +0200 Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v12 00/18] KVM: Mapping guest_memfd backed memory at the host for software protected VMs To: Fuad Tabba , kvm@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-mm@kvack.org, kvmarm@lists.linux.dev Cc: pbonzini@redhat.com, chenhuacai@kernel.org, mpe@ellerman.id.au, anup@brainfault.org, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, seanjc@google.com, viro@zeniv.linux.org.uk, brauner@kernel.org, willy@infradead.org, akpm@linux-foundation.org, xiaoyao.li@intel.com, yilun.xu@intel.com, chao.p.peng@linux.intel.com, jarkko@kernel.org, amoorthy@google.com, dmatlack@google.com, isaku.yamahata@intel.com, mic@digikod.net, vbabka@suse.cz, vannapurve@google.com, ackerleytng@google.com, mail@maciej.szmigiero.name, michael.roth@amd.com, wei.w.wang@intel.com, liam.merwick@oracle.com, isaku.yamahata@gmail.com, kirill.shutemov@linux.intel.com, suzuki.poulose@arm.com, steven.price@arm.com, quic_eberman@quicinc.com, quic_mnalajal@quicinc.com, quic_tsoni@quicinc.com, quic_svaddagi@quicinc.com, quic_cvanscha@quicinc.com, quic_pderrin@quicinc.com, quic_pheragu@quicinc.com, catalin.marinas@arm.com, james.morse@arm.com, yuzenghui@huawei.com, oliver.upton@linux.dev, maz@kernel.org, will@kernel.org, qperret@google.com, keirf@google.com, roypat@amazon.co.uk, shuah@kernel.org, hch@infradead.org, jgg@nvidia.com, rientjes@google.com, jhubbard@nvidia.com, fvdl@google.com, hughd@google.com, jthoughton@google.com, peterx@redhat.com, pankaj.gupta@amd.com, ira.weiny@intel.com References: <20250611133330.1514028-1-tabba@google.com> From: David Hildenbrand Autocrypt: addr=david@redhat.com; keydata= xsFNBFXLn5EBEAC+zYvAFJxCBY9Tr1xZgcESmxVNI/0ffzE/ZQOiHJl6mGkmA1R7/uUpiCjJ dBrn+lhhOYjjNefFQou6478faXE6o2AhmebqT4KiQoUQFV4R7y1KMEKoSyy8hQaK1umALTdL QZLQMzNE74ap+GDK0wnacPQFpcG1AE9RMq3aeErY5tujekBS32jfC/7AnH7I0v1v1TbbK3Gp XNeiN4QroO+5qaSr0ID2sz5jtBLRb15RMre27E1ImpaIv2Jw8NJgW0k/D1RyKCwaTsgRdwuK Kx/Y91XuSBdz0uOyU/S8kM1+ag0wvsGlpBVxRR/xw/E8M7TEwuCZQArqqTCmkG6HGcXFT0V9 PXFNNgV5jXMQRwU0O/ztJIQqsE5LsUomE//bLwzj9IVsaQpKDqW6TAPjcdBDPLHvriq7kGjt WhVhdl0qEYB8lkBEU7V2Yb+SYhmhpDrti9Fq1EsmhiHSkxJcGREoMK/63r9WLZYI3+4W2rAc UucZa4OT27U5ZISjNg3Ev0rxU5UH2/pT4wJCfxwocmqaRr6UYmrtZmND89X0KigoFD/XSeVv jwBRNjPAubK9/k5NoRrYqztM9W6sJqrH8+UWZ1Idd/DdmogJh0gNC0+N42Za9yBRURfIdKSb B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzSREYXZpZCBIaWxk ZW5icmFuZCA8ZGF2aWRAcmVkaGF0LmNvbT7CwZgEEwEIAEICGwMGCwkIBwMCBhUIAgkKCwQW AgMBAh4BAheAAhkBFiEEG9nKrXNcTDpGDfzKTd4Q9wD/g1oFAl8Ox4kFCRKpKXgACgkQTd4Q 9wD/g1oHcA//a6Tj7SBNjFNM1iNhWUo1lxAja0lpSodSnB2g4FCZ4R61SBR4l/psBL73xktp rDHrx4aSpwkRP6Epu6mLvhlfjmkRG4OynJ5HG1gfv7RJJfnUdUM1z5kdS8JBrOhMJS2c/gPf wv1TGRq2XdMPnfY2o0CxRqpcLkx4vBODvJGl2mQyJF/gPepdDfcT8/PY9BJ7FL6Hrq1gnAo4 3Iv9qV0JiT2wmZciNyYQhmA1V6dyTRiQ4YAc31zOo2IM+xisPzeSHgw3ONY/XhYvfZ9r7W1l pNQdc2G+o4Di9NPFHQQhDw3YTRR1opJaTlRDzxYxzU6ZnUUBghxt9cwUWTpfCktkMZiPSDGd KgQBjnweV2jw9UOTxjb4LXqDjmSNkjDdQUOU69jGMUXgihvo4zhYcMX8F5gWdRtMR7DzW/YE BgVcyxNkMIXoY1aYj6npHYiNQesQlqjU6azjbH70/SXKM5tNRplgW8TNprMDuntdvV9wNkFs 9TyM02V5aWxFfI42+aivc4KEw69SE9KXwC7FSf5wXzuTot97N9Phj/Z3+jx443jo2NR34XgF 89cct7wJMjOF7bBefo0fPPZQuIma0Zym71cP61OP/i11ahNye6HGKfxGCOcs5wW9kRQEk8P9 M/k2wt3mt/fCQnuP/mWutNPt95w9wSsUyATLmtNrwccz63XOwU0EVcufkQEQAOfX3n0g0fZz Bgm/S2zF/kxQKCEKP8ID+Vz8sy2GpDvveBq4H2Y34XWsT1zLJdvqPI4af4ZSMxuerWjXbVWb T6d4odQIG0fKx4F8NccDqbgHeZRNajXeeJ3R7gAzvWvQNLz4piHrO/B4tf8svmRBL0ZB5P5A 2uhdwLU3NZuK22zpNn4is87BPWF8HhY0L5fafgDMOqnf4guJVJPYNPhUFzXUbPqOKOkL8ojk CXxkOFHAbjstSK5Ca3fKquY3rdX3DNo+EL7FvAiw1mUtS+5GeYE+RMnDCsVFm/C7kY8c2d0G NWkB9pJM5+mnIoFNxy7YBcldYATVeOHoY4LyaUWNnAvFYWp08dHWfZo9WCiJMuTfgtH9tc75 7QanMVdPt6fDK8UUXIBLQ2TWr/sQKE9xtFuEmoQGlE1l6bGaDnnMLcYu+Asp3kDT0w4zYGsx 5r6XQVRH4+5N6eHZiaeYtFOujp5n+pjBaQK7wUUjDilPQ5QMzIuCL4YjVoylWiBNknvQWBXS lQCWmavOT9sttGQXdPCC5ynI+1ymZC1ORZKANLnRAb0NH/UCzcsstw2TAkFnMEbo9Zu9w7Kv AxBQXWeXhJI9XQssfrf4Gusdqx8nPEpfOqCtbbwJMATbHyqLt7/oz/5deGuwxgb65pWIzufa N7eop7uh+6bezi+rugUI+w6DABEBAAHCwXwEGAEIACYCGwwWIQQb2cqtc1xMOkYN/MpN3hD3 AP+DWgUCXw7HsgUJEqkpoQAKCRBN3hD3AP+DWrrpD/4qS3dyVRxDcDHIlmguXjC1Q5tZTwNB boaBTPHSy/Nksu0eY7x6HfQJ3xajVH32Ms6t1trDQmPx2iP5+7iDsb7OKAb5eOS8h+BEBDeq 3ecsQDv0fFJOA9ag5O3LLNk+3x3q7e0uo06XMaY7UHS341ozXUUI7wC7iKfoUTv03iO9El5f XpNMx/YrIMduZ2+nd9Di7o5+KIwlb2mAB9sTNHdMrXesX8eBL6T9b+MZJk+mZuPxKNVfEQMQ a5SxUEADIPQTPNvBewdeI80yeOCrN+Zzwy/Mrx9EPeu59Y5vSJOx/z6OUImD/GhX7Xvkt3kq Er5KTrJz3++B6SH9pum9PuoE/k+nntJkNMmQpR4MCBaV/J9gIOPGodDKnjdng+mXliF3Ptu6 3oxc2RCyGzTlxyMwuc2U5Q7KtUNTdDe8T0uE+9b8BLMVQDDfJjqY0VVqSUwImzTDLX9S4g/8 kC4HRcclk8hpyhY2jKGluZO0awwTIMgVEzmTyBphDg/Gx7dZU1Xf8HFuE+UZ5UDHDTnwgv7E th6RC9+WrhDNspZ9fJjKWRbveQgUFCpe1sa77LAw+XFrKmBHXp9ZVIe90RMe2tRL06BGiRZr jPrnvUsUUsjRoRNJjKKA/REq+sAnhkNPPZ/NNMjaZ5b8Tovi8C0tmxiCHaQYqj7G2rgnT0kt WNyWQQ== Organization: Red Hat In-Reply-To: <20250611133330.1514028-1-tabba@google.com> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: mvRLedGbE1xjlO2g951wJmxn7ugqg1vnLdgNCayGYZ4_1749749944 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 11.06.25 15:33, Fuad Tabba wrote: > Main changes since v11 [1]: > - Addressed various points of feedback from the last revision. > - Rebased on Linux 6.16-rc1. Nit: In case you have to resend, it might be worth changing the subject s/software protected/non-CoCo/ like you did in patch #12. -- Cheers, David / dhildenb