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]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5AB3AC79FB6 for ; Wed, 9 Sep 2026 16:05:04 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 2EE546B009B; Wed, 9 Sep 2026 12:05:03 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 2C57F6B00AB; Wed, 9 Sep 2026 12:05:03 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 1B4B86B00AC; Wed, 9 Sep 2026 12:05:03 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id DEED76B009B for ; Wed, 9 Sep 2026 12:05:02 -0400 (EDT) Received: from smtpin26.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 5167FA439A for ; Wed, 9 Sep 2026 16:05:02 +0000 (UTC) X-FDA: 85194697644.26.17B4639 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf18.hostedemail.com (Postfix) with ESMTP id 780541C000A for ; Wed, 9 Sep 2026 16:05:00 +0000 (UTC) Authentication-Results: imf18.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=YSJrAWqA; spf=pass (imf18.hostedemail.com: domain of david@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=david@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1788969900; 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=rF99J4DPqDZwvdeRAV2rOWG+wx4Fr7bIPdeKiooYGDs=; b=f4A8/DoCRApz03oxWXJWUS9Zv1XLA2bbDADXWosxRpdBanwpfp7OzOmmKcXzWWy1oH8vll 0ZhmXQ7Ti+O1kjK3VDVD1nKAp3w8jgPkVLeAt+3VxboaktC/yyJhY5phgOI0C2mTwk9n3D b6WRJ8Efj/0K1sns+Xu0L2D73Eyy7Wg= ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1788969900; b=IVW3AvPj7rhSmz4UTbU0nheBVCv9zpTaFfBkzCAZhPjM8uzw5LaPuLQeSo4gIoP9+Vunra oP8AX/FMx7dk9mRIM+xDpih7s5Iwz0YUa7ESVslqpQxwBTCmAejTqZrmPbvgbUBxbKzZOi W/iwf3Qxck89wlCD/tQFAKrsx1QammE= ARC-Authentication-Results: i=1; imf18.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=YSJrAWqA; spf=pass (imf18.hostedemail.com: domain of david@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=david@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 4450C4022B; Wed, 9 Sep 2026 16:04:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 82A801F00A3A; Wed, 9 Sep 2026 16:04:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788969899; bh=rF99J4DPqDZwvdeRAV2rOWG+wx4Fr7bIPdeKiooYGDs=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=YSJrAWqAgJ4HGitZJW/Kp2bBGS/9k+MWEQUyLrU5a/vKIVLec54gy6J8nnSmFsYy1 7zv+juF2wgV6znk6KQgyrRCPrrM5nqbwN3F1BCrPybqz2ebJiprekwharnVG0Ik0nH 8Uugm3KWR64rZ0btW5ETHAks8KNlbq7rO2fI35bKigqAZfmcfaiKV/j9TSJapiMyLo 1Ipcqs2HIktnksREgspscY41vI+XGNNNt+8rkfeEUdKfomDE3xBG/bZXFcmcpA55B/ FNWMs8srNW2Y6NwRE4mP6KupjgiBwlYkzXnlz1dgrxbjvhksbmxalogLCp1BoyUwwv +lbd5OkgZtKTA== Message-ID: <7f85c47c-10ff-49f3-bc88-096d3e433650@kernel.org> Date: Wed, 9 Sep 2026 18:04:38 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v12 13/45] KVM: guest_memfd: Pass mapping type filter to invalidation helper To: ackerleytng@google.com, aik@amd.com, andrew.jones@linux.dev, binbin.wu@linux.intel.com, brauner@kernel.org, chao.p.peng@linux.intel.com, jmattson@google.com, jthoughton@google.com, michael.roth@amd.com, oupton@kernel.org, pankaj.gupta@amd.com, qperret@google.com, rick.p.edgecombe@intel.com, rientjes@google.com, shivankg@amd.com, steven.price@arm.com, willy@infradead.org, wyihan@google.com, yan.y.zhao@intel.com, forkloop@google.com, pratyush@kernel.org, suzuki.poulose@arm.com, aneesh.kumar@kernel.org, liam@infradead.org, Paolo Bonzini , Sean Christopherson , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Jonathan Corbet , Shuah Khan , Shuah Khan , Vishal Annapurve , Andrew Morton , Chris Li , Kairui Song , Kemeng Shi , Nhat Pham , Barry Song , Axel Rasmussen , Yuanchu Xie , Wei Xu , Youngjun Park , Qi Zheng , Shakeel Butt , Kiryl Shutsemau , Baoquan He , Jason Gunthorpe , John Hubbard , Peter Xu , tarunsahu@google.com, Randy Dunlap , Lorenzo Stoakes , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Fuad Tabba Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org, linux-coco@lists.linux.dev References: <20260830-gmem-inplace-conversion-v12-0-85e5fd25252a@google.com> <20260830-gmem-inplace-conversion-v12-13-85e5fd25252a@google.com> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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 B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzS5EYXZpZCBIaWxk ZW5icmFuZCAoQ3VycmVudCkgPGRhdmlkQGtlcm5lbC5vcmc+wsGQBBMBCAA6AhsDBQkmWAik AgsJBBUKCQgCFgICHgUCF4AWIQQb2cqtc1xMOkYN/MpN3hD3AP+DWgUCaYJt/AIZAQAKCRBN 3hD3AP+DWriiD/9BLGEKG+N8L2AXhikJg6YmXom9ytRwPqDgpHpVg2xdhopoWdMRXjzOrIKD g4LSnFaKneQD0hZhoArEeamG5tyo32xoRsPwkbpIzL0OKSZ8G6mVbFGpjmyDLQCAxteXCLXz ZI0VbsuJKelYnKcXWOIndOrNRvE5eoOfTt2XfBnAapxMYY2IsV+qaUXlO63GgfIOg8RBaj7x 3NxkI3rV0SHhI4GU9K6jCvGghxeS1QX6L/XI9mfAYaIwGy5B68kF26piAVYv/QZDEVIpo3t7 /fjSpxKT8plJH6rhhR0epy8dWRHk3qT5tk2P85twasdloWtkMZ7FsCJRKWscm1BLpsDn6EQ4 jeMHECiY9kGKKi8dQpv3FRyo2QApZ49NNDbwcR0ZndK0XFo15iH708H5Qja/8TuXCwnPWAcJ DQoNIDFyaxe26Rx3ZwUkRALa3iPcVjE0//TrQ4KnFf+lMBSrS33xDDBfevW9+Dk6IISmDH1R HFq2jpkN+FX/PE8eVhV68B2DsAPZ5rUwyCKUXPTJ/irrCCmAAb5Jpv11S7hUSpqtM/6oVESC 3z/7CzrVtRODzLtNgV4r5EI+wAv/3PgJLlMwgJM90Fb3CB2IgbxhjvmB1WNdvXACVydx55V7 LPPKodSTF29rlnQAf9HLgCphuuSrrPn5VQDaYZl4N/7zc2wcWM7BTQRVy5+RARAA59fefSDR 9nMGCb9LbMX+TFAoIQo/wgP5XPyzLYakO+94GrgfZjfhdaxPXMsl2+o8jhp/hlIzG56taNdt VZtPp3ih1AgbR8rHgXw1xwOpuAd5lE1qNd54ndHuADO9a9A0vPimIes78Hi1/yy+ZEEvRkHk /kDa6F3AtTc1m4rbbOk2fiKzzsE9YXweFjQvl9p+AMw6qd/iC4lUk9g0+FQXNdRs+o4o6Qvy iOQJfGQ4UcBuOy1IrkJrd8qq5jet1fcM2j4QvsW8CLDWZS1L7kZ5gT5EycMKxUWb8LuRjxzZ 3QY1aQH2kkzn6acigU3HLtgFyV1gBNV44ehjgvJpRY2cC8VhanTx0dZ9mj1YKIky5N+C0f21 zvntBqcxV0+3p8MrxRRcgEtDZNav+xAoT3G0W4SahAaUTWXpsZoOecwtxi74CyneQNPTDjNg azHmvpdBVEfj7k3p4dmJp5i0U66Onmf6mMFpArvBRSMOKU9DlAzMi4IvhiNWjKVaIE2Se9BY FdKVAJaZq85P2y20ZBd08ILnKcj7XKZkLU5FkoA0udEBvQ0f9QLNyyy3DZMCQWcwRuj1m73D sq8DEFBdZ5eEkj1dCyx+t/ga6x2rHyc8Sl86oK1tvAkwBNsfKou3v+jP/l14a7DGBvrmlYjO 59o3t6inu6H7pt7OL6u6BQj7DoMAEQEAAcLBfAQYAQgAJgIbDBYhBBvZyq1zXEw6Rg38yk3e EPcA/4NaBQJonNqrBQkmWAihAAoJEE3eEPcA/4NaKtMQALAJ8PzprBEXbXcEXwDKQu+P/vts IfUb1UNMfMV76BicGa5NCZnJNQASDP/+bFg6O3gx5NbhHHPeaWz/VxlOmYHokHodOvtL0WCC 8A5PEP8tOk6029Z+J+xUcMrJClNVFpzVvOpb1lCbhjwAV465Hy+NUSbbUiRxdzNQtLtgZzOV Zw7jxUCs4UUZLQTCuBpFgb15bBxYZ/BL9MbzxPxvfUQIPbnzQMcqtpUs21CMK2PdfCh5c4gS sDci6D5/ZIBw94UQWmGpM/O1ilGXde2ZzzGYl64glmccD8e87OnEgKnH3FbnJnT4iJchtSvx yJNi1+t0+qDti4m88+/9IuPqCKb6Stl+s2dnLtJNrjXBGJtsQG/sRpqsJz5x1/2nPJSRMsx9 5YfqbdrJSOFXDzZ8/r82HgQEtUvlSXNaXCa95ez0UkOG7+bDm2b3s0XahBQeLVCH0mw3RAQg r7xDAYKIrAwfHHmMTnBQDPJwVqxJjVNr7yBic4yfzVWGCGNE4DnOW0vcIeoyhy9vnIa3w1uZ 3iyY2Nsd7JxfKu1PRhCGwXzRw5TlfEsoRI7V9A8isUCoqE2Dzh3FvYHVeX4Us+bRL/oqareJ CIFqgYMyvHj7Q06kTKmauOe4Nf0l0qEkIuIzfoLJ3qr5UyXc2hLtWyT9Ir+lYlX9efqh7mOY qIws/H2t In-Reply-To: <20260830-gmem-inplace-conversion-v12-13-85e5fd25252a@google.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Stat-Signature: pwxmto5gckxgwxfphh4um18joep1wbco X-Rspam-User: X-Rspamd-Queue-Id: 780541C000A X-Rspamd-Server: rspam03 X-HE-Tag: 1788969900-112205 X-HE-Meta: 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 qFN60qSa n7wwoeeunEyJZHFT6hX1W2nfW3g1WH8C/k14u9HZc0ny4JzEsB61gJXhcevDVv8vcslDPcGmn3IKQ+pyFkk/UkTne4U8tf/f5d4gJAbil67UWTIcA/77N3MmBpllMF+JLupBPloJBf1BI1KaUfnEMsGtcbU9RfTZfUYIh7W02wO5L+t26LebZ0gOSyOQqiR5n7CKIZJOf1NjUIsi6RwAg8eG8MDH4KVS2prsvN6Dri1/MzznajocX6rZd4eHxe9wgwk4+i8MypGDGf9l8JoOLpP/Z7BvIAww0kSqc7n7+U4MVUXmB1frsprwNzW1GrwQoiYHWuwsBreJ0feyyV62C5Km4acu2LbRIrSX4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 8/31/26 02:25, Ackerley Tng via B4 Relay wrote: > From: Ackerley Tng > > Accept the mapping type filter as a parameter in the invalidation start > helper instead of querying it internally. This allows callers to specify > which mappings (shared, private, or both) should be invalidated. > > In the next patch, the conversion process will use this new parameter to > invalidate mappings only when they're different from the target state of > the conversion, i.e. invalidate only shared mappings on a shared to private > conversion and not both. > > No functional change intended. > > Signed-off-by: Ackerley Tng Reviewed-by: David Hildenbrand (Arm) -- Cheers, David