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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 91376C2D0CD for ; Wed, 21 May 2025 08:04:41 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 287666B0098; Wed, 21 May 2025 04:04:41 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 25F476B0099; Wed, 21 May 2025 04:04:41 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 14DA26B009A; Wed, 21 May 2025 04:04:41 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id ECB456B0098 for ; Wed, 21 May 2025 04:04:40 -0400 (EDT) Received: from smtpin26.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id 872891D06CA for ; Wed, 21 May 2025 08:04:40 +0000 (UTC) X-FDA: 83466178320.26.02732F4 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by imf12.hostedemail.com (Postfix) with ESMTP id 0A4CC40012 for ; Wed, 21 May 2025 08:04:37 +0000 (UTC) Authentication-Results: imf12.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=go5ZSj3q; spf=pass (imf12.hostedemail.com: domain of david@redhat.com designates 170.10.129.124 as permitted sender) smtp.mailfrom=david@redhat.com; dmarc=pass (policy=quarantine) header.from=redhat.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1747814678; h=from:from:sender: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:dkim-signature; bh=5MQkatbSq59Hq1aAxd8Kb1/0Y7cTgKXSUnnjVnQplpA=; b=RgUYcGNC94p2ZIQa/BoMppcn0f7DLRpeHzs73Ma/Qew3ptAvY7SzPDSSfwUtPSgXra4uGo 87EGBxtMQMXp2i+iy5+DrcB9NvmarkbOj6gtPURN94rzcsFHIom2jya+lID1VZDaJv5COn oMwzPkmgw0os81Y+tEPOtjNAtFWcB2g= ARC-Authentication-Results: i=1; imf12.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=go5ZSj3q; spf=pass (imf12.hostedemail.com: domain of david@redhat.com designates 170.10.129.124 as permitted sender) smtp.mailfrom=david@redhat.com; dmarc=pass (policy=quarantine) header.from=redhat.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1747814678; a=rsa-sha256; cv=none; b=CQGD8tRgpKiSFKq2CeW4d2Q6DeN5CL1ieM5X2clh5V1p65ZS1r20h0Z05FboV7u483Gq49 QqCtawU7UrBkh2/8T0V3l/vJzfjnBrKs057goZHooqH9C/uEgfAUwuzPH02++538oasXEg o496R2bV9J+JwfznHj+1A3dP8fx94VQ= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1747814677; 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=5MQkatbSq59Hq1aAxd8Kb1/0Y7cTgKXSUnnjVnQplpA=; b=go5ZSj3qNkUC/X807RLsyR/TiLBmUVk6IlE6H+RcYeECqCL4tG4Kqu8fXoJ2KF7iAx/6qP DBPVkLiQaOe4Fvt+7SK4rBg9iW73IoNZOnrQhP5Qe9hx2sktobQb01fIcWa3c1LTVX628u yfRMPDGP0EDhCwynnfsLxyLyBr60Pb4= Received: from mail-wr1-f69.google.com (mail-wr1-f69.google.com [209.85.221.69]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-597-LI-vjCmqOlGDglofBe10Ew-1; Wed, 21 May 2025 04:04:35 -0400 X-MC-Unique: LI-vjCmqOlGDglofBe10Ew-1 X-Mimecast-MFC-AGG-ID: LI-vjCmqOlGDglofBe10Ew_1747814674 Received: by mail-wr1-f69.google.com with SMTP id ffacd0b85a97d-3a371fb826cso1435444f8f.1 for ; Wed, 21 May 2025 01:04:35 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1747814674; x=1748419474; 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=5MQkatbSq59Hq1aAxd8Kb1/0Y7cTgKXSUnnjVnQplpA=; b=xIajrvMrAw4g3xCEgnysJMTpSIabBRb0Sl8P1ueLpAvT/dttfi1SYESCqdTeQwLNdx rotVtzFAFnLzBa4g/2BP1/geBp/gQETv2ZQ1KC96tBSrsyNgBgFGdtUbG+7vp8u2wvSY NUfJN6XvhFgeGRWXfgURVO40c7y0t4QvpYfBq8+8hjNeXre422gHE+bEXMisa5nWFEgQ 8+9kfC5fVG3fvX2uBvHX3cQWim2+HWFx0qn6i8seOFepq5+4DtIvCqmezzJqnAh5P3kz V9Ze38ADnpDzxet1X4pjxlKJRFGnfumGxMeC4Qtus8U709THC/1vXd5mmryknG6daRts 07Lw== X-Forwarded-Encrypted: i=1; AJvYcCXfjJEdzJVJZzbAtYKyQDSgNyQKtG6Tda9fE4adjjnxxG17ZOkfE7mAh4z26eHirrnE8alciaSYAg==@kvack.org X-Gm-Message-State: AOJu0YwCAlKdJZSBQYpZmjZif5+Bgw3+z9/b1V0PvC+n9xsWYyp4SJrx vUVEiGI2Iceax+PDLOuIzuNWyg8HVndAA0R/y7oskLHxashN+x1zEhCO5pwTRHYBQ25JX1w3kHd Nu0ZCJSiN9KmXXOY8Bkk5ICJ3fkksXY6PEwJzIE8t80KgvlQ6tyXF X-Gm-Gg: ASbGncvemVLq8mhy4JIdtOhUYzVAXQvXUketeTvzKpiLVWYed1cUjui1dvHPmgCbXxY zniBdkJaK9LZ6VI0JFZtL68/pDLaQs2GNe1MW6fPcAeAuc2+5ObtKqnwy5I8y+crZCS5VFjzdIH yGAnW5pNRdSmQOSsa1Ya09tbO/trFKWrrngf2DJsXHs5qR4ry/3F6K7AnPbacU9HvIuhpnAy2Ex AFSy5zYDsevexRxoS132SuLZhy73ndWhNl4ar8lUZRIjRfq8Wk8KxiLORmZBpckAIbbbF4ET9hR 1Rl12FqhaCvDBALPlEqkzisRP7ON9NxF5MYNQiolhKtBGGkHeeSfZbarv4PKHLlnladA9YkSVA1 bTJBOapOaX21Q4JuTGP5BehNZiXp95jpDPvVCwAQ= X-Received: by 2002:a05:6000:2306:b0:3a3:6a3f:bc5d with SMTP id ffacd0b85a97d-3a36a3fbdfcmr11583998f8f.1.1747814674295; Wed, 21 May 2025 01:04:34 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHmnsxYTTDMbLHWYNst4ekZ+8J/GNbwLNU27qz+miwFXAcz4L5MCR40kU1t8uwMKwC84cZwjw== X-Received: by 2002:a05:6000:2306:b0:3a3:6a3f:bc5d with SMTP id ffacd0b85a97d-3a36a3fbdfcmr11583944f8f.1.1747814673785; Wed, 21 May 2025 01:04:33 -0700 (PDT) Received: from ?IPV6:2003:d8:2f25:9c00:e2c7:6eb5:8a51:1c60? (p200300d82f259c00e2c76eb58a511c60.dip0.t-ipconnect.de. [2003:d8:2f25:9c00:e2c7:6eb5:8a51:1c60]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-447f3dd94f1sm62076685e9.35.2025.05.21.01.04.31 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 21 May 2025 01:04:33 -0700 (PDT) Message-ID: <8d6eb79a-a68d-4116-bb42-ed18b0a0d37d@redhat.com> Date: Wed, 21 May 2025 10:04:30 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v9 13/17] KVM: arm64: Handle guest_memfd()-backed guest page faults To: Fuad Tabba , kvm@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-mm@kvack.org 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: <20250513163438.3942405-1-tabba@google.com> <20250513163438.3942405-14-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: <20250513163438.3942405-14-tabba@google.com> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: uJmLOsFhbkovtfgJSHZKfFSJFadhrUvu4x5LoiSuqw0_1747814674 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Stat-Signature: 8ukefobjby9g4jdk3wy8y3iuobafc4fo X-Rspam-User: X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 0A4CC40012 X-HE-Tag: 1747814677-685664 X-HE-Meta: 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 8J82gHjn 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 13.05.25 18:34, Fuad Tabba wrote: > Add arm64 support for handling guest page faults on guest_memfd > backed memslots. > > For now, the fault granule is restricted to PAGE_SIZE. > > Signed-off-by: Fuad Tabba > --- [...] > + if (!is_gmem) { Should we add a comment somewhere, stating that we don't support VMs with private memory, so if we have a gmem, all faults are routed through that? > + mmap_read_lock(current->mm); > + vma = vma_lookup(current->mm, hva); > + if (unlikely(!vma)) { > + kvm_err("Failed to find VMA for hva 0x%lx\n", hva); > + mmap_read_unlock(current->mm); > + return -EFAULT; > + } > + > + vfio_allow_any_uc = vma->vm_flags & VM_ALLOW_ANY_UNCACHED; > + mte_allowed = kvm_vma_mte_allowed(vma); -- Cheers, David / dhildenb