From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from iad-out-014.esa.us-east-1.outbound.mail-perimeter.amazon.com (iad-out-014.esa.us-east-1.outbound.mail-perimeter.amazon.com [50.16.246.183]) (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 5DFD533FE00; Fri, 10 Apr 2026 15:24:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=50.16.246.183 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775834693; cv=none; b=SaJ5QoZwZX5RYFwmg1vlwgfEbJMFuIw4rNvXwjTMIECDeRfOR/9c3V6Wq0RjDP43BFulzB8G2ludywHuXAWU/1UTBof6UCBgVmiHoWDlvx0OtlnHzXiGxLqmpV9yMcmKoJJbxIOPbzLhL7gnOU8AzFcggSzoDVYO9Y2+Vosy9hc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775834693; c=relaxed/simple; bh=WtXRLTAT+w8HKFAJnrOrRah/nghY7V9CZ4EHf945sYM=; h=Message-ID:Date:MIME-Version:Subject:To:CC:References:From: In-Reply-To:Content-Type; b=aRBj5Rresi1AqxwOZYYdUqv3i9YNA4CJSs4aXadP6YHipPb/yH5q147UKun1ymhv91jGE0NSQ7rvV2FrsNvxMAFl9xrN4Dhb+Ii+InyqxIDZ7nFpJLLcHSN/JxDvdSKE4kVsVXVBHRJuCSt8wY89RhlxaHgwebabIJAqW0pdek0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com; spf=pass smtp.mailfrom=amazon.co.uk; dkim=pass (2048-bit key) header.d=amazon.com header.i=@amazon.com header.b=WW/edcpP; arc=none smtp.client-ip=50.16.246.183 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=amazon.co.uk Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=amazon.com header.i=@amazon.com header.b="WW/edcpP" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazoncorp2; t=1775834689; x=1807370689; h=message-id:date:mime-version:reply-to:subject:to:cc: references:from:in-reply-to:content-transfer-encoding; bh=wZc+sAyXLDOw4SNn2V1QCxBFXc6EIQ5hl84+ynFDeD4=; b=WW/edcpP+V8XAFUEU5TDVQGvKnb+7ssOC65qDEL9+KntLtA6pJdA/fKR jJxsRKs9zGwcsyp1NdBGRdhxWTicpJ4s3SHRWGiGwmCediNwOBIE0VSJD ms+MMXrR1vLXGhjQZsNja7BP6u2jT4NcdmjfKFDGc1w9MX4GXlkD6TD7C 1xqo1FKF5SsrFKoqwuoNvIMnfZOrf2d8U+PdiT6yqX1/hUamj42szYTio LW3Nwz4sVOiKt1wR4V51VMiZuktrPcrkdD54PjT5g43gtyws5bcuOSyxI uSRmmnqXzrZrRbLjsNPDB/OvlXS8+4QZN/AqeONVujGF43242fcDWLpuQ Q==; X-CSE-ConnectionGUID: X+8/8Q82QPSEUaO2zzwCGA== X-CSE-MsgGUID: 20SnI1ONQjO+nFdv/IJbAA== X-IronPort-AV: E=Sophos;i="6.23,171,1770595200"; d="scan'208";a="15428079" Received: from ip-10-4-3-150.ec2.internal (HELO smtpout.naws.us-east-1.prod.farcaster.email.amazon.dev) ([10.4.3.150]) by internal-iad-out-014.esa.us-east-1.outbound.mail-perimeter.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Apr 2026 15:24:47 +0000 Received: from EX19MTAUEA001.ant.amazon.com [72.21.196.67:6584] by smtpin.naws.us-east-1.prod.farcaster.email.amazon.dev [10.0.62.178:2525] with esmtp (Farcaster) id 7efac024-2436-4ad4-8a7e-9b389eaca327; Fri, 10 Apr 2026 15:24:47 +0000 (UTC) X-Farcaster-Flow-ID: 7efac024-2436-4ad4-8a7e-9b389eaca327 Received: from EX19D027UEC003.ant.amazon.com (10.252.137.250) by EX19MTAUEA001.ant.amazon.com (10.252.134.203) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.37; Fri, 10 Apr 2026 15:24:46 +0000 Received: from [192.168.12.97] (10.106.82.30) by EX19D027UEC003.ant.amazon.com (10.252.137.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.37; Fri, 10 Apr 2026 15:24:33 +0000 Message-ID: Date: Fri, 10 Apr 2026 16:24:31 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Reply-To: Subject: Re: [PATCH v11 01/16] set_memory: set_direct_map_* to take address To: "David Hildenbrand (Arm)" , "Kalyazin, Nikita" , "kvm@vger.kernel.org" , "linux-doc@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "kvmarm@lists.linux.dev" , "linux-fsdevel@vger.kernel.org" , "linux-mm@kvack.org" , "bpf@vger.kernel.org" , "linux-kselftest@vger.kernel.org" , "kernel@xen0n.name" , "linux-riscv@lists.infradead.org" , "linux-s390@vger.kernel.org" , "loongarch@lists.linux.dev" , "linux-pm@vger.kernel.org" CC: "pbonzini@redhat.com" , "corbet@lwn.net" , "maz@kernel.org" , "oupton@kernel.org" , "joey.gouly@arm.com" , "suzuki.poulose@arm.com" , "yuzenghui@huawei.com" , "catalin.marinas@arm.com" , "will@kernel.org" , "seanjc@google.com" , "tglx@kernel.org" , "mingo@redhat.com" , "bp@alien8.de" , "dave.hansen@linux.intel.com" , "x86@kernel.org" , "hpa@zytor.com" , "luto@kernel.org" , "peterz@infradead.org" , "willy@infradead.org" , "akpm@linux-foundation.org" , "lorenzo.stoakes@oracle.com" , "vbabka@kernel.org" , "rppt@kernel.org" , "surenb@google.com" , "mhocko@suse.com" , "ast@kernel.org" , "daniel@iogearbox.net" , "andrii@kernel.org" , "martin.lau@linux.dev" , "eddyz87@gmail.com" , "song@kernel.org" , "yonghong.song@linux.dev" , "john.fastabend@gmail.com" , "kpsingh@kernel.org" , "sdf@fomichev.me" , "haoluo@google.com" , "jolsa@kernel.org" , "jgg@ziepe.ca" , "jhubbard@nvidia.com" , "peterx@redhat.com" , "jannh@google.com" , "pfalcato@suse.de" , "skhan@linuxfoundation.org" , "riel@surriel.com" , "ryan.roberts@arm.com" , "jgross@suse.com" , "yu-cheng.yu@intel.com" , "kas@kernel.org" , "coxu@redhat.com" , "kevin.brodsky@arm.com" , "ackerleytng@google.com" , "yosry@kernel.org" , "ajones@ventanamicro.com" , "maobibo@loongson.cn" , "tabba@google.com" , "prsampat@amd.com" , "wu.fei9@sanechips.com.cn" , "mlevitsk@redhat.com" , "jmattson@google.com" , "jthoughton@google.com" , "agordeev@linux.ibm.com" , "alex@ghiti.fr" , "aou@eecs.berkeley.edu" , "borntraeger@linux.ibm.com" , "chenhuacai@kernel.org" , "dev.jain@arm.com" , "gor@linux.ibm.com" , "hca@linux.ibm.com" , "palmer@dabbelt.com" , "pjw@kernel.org" , "shijie@os.amperecomputing.com" , "svens@linux.ibm.com" , "thuth@redhat.com" , "wyihan@google.com" , "yang@os.amperecomputing.com" , "Jonathan.Cameron@huawei.com" , "Liam.Howlett@oracle.com" , "urezki@gmail.com" , "zhengqi.arch@bytedance.com" , "gerald.schaefer@linux.ibm.com" , "jiayuan.chen@shopee.com" , "lenb@kernel.org" , "osalvador@suse.de" , "pavel@kernel.org" , "rafael@kernel.org" , "vannapurve@google.com" , "jackmanb@google.com" , "aneesh.kumar@kernel.org" , "patrick.roy@linux.dev" , "Thomson, Jack" , "Itazuri, Takahiro" , "Manwaring, Derek" References: <20260317141031.514-1-kalyazin@amazon.com> <20260317141031.514-2-kalyazin@amazon.com> <7b785e34-4d49-48d2-b438-afa1def3ec0f@kernel.org> Content-Language: en-US From: Nikita Kalyazin Autocrypt: addr=kalyazin@amazon.com; keydata= xjMEY+ZIvRYJKwYBBAHaRw8BAQdA9FwYskD/5BFmiiTgktstviS9svHeszG2JfIkUqjxf+/N JU5pa2l0YSBLYWx5YXppbiA8a2FseWF6aW5AYW1hem9uLmNvbT7CjwQTFggANxYhBGhhGDEy BjLQwD9FsK+SyiCpmmTzBQJp2NfjBQkGQlIzAhsDBAsJCAcFFQgJCgsFFgIDAQAACgkQr5LK IKmaZPPNDAEAvsw8vEWj8ArWQ1QJNufjrvobU/cE8MLKdBxbSE8CyZQA/0BldKxNAtAwG4qw wCLxsZ5vBL3Zkh/PdvtFCj/VGscGzjgEY+ZIvRIKKwYBBAGXVQEFAQEHQCqd7/nb2tb36vZt ubg1iBLCSDctMlKHsQTp7wCnEc4RAwEIB8J+BBgWCAAmFiEEaGEYMTIGMtDAP0Wwr5LKIKma ZPMFAmnY1+MFCQZCUjMCGwwACgkQr5LKIKmaZPPQKgD/f3FtERbJ+LYHLSG/ZbLNAOLngUlQ qo5VfIyJOzeLzC0BAP2PIUFIHo7vmia/PXEmT+ve4c5rx+EkH/Dx1GRpjWoI In-Reply-To: <7b785e34-4d49-48d2-b438-afa1def3ec0f@kernel.org> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: EX19D004EUA002.ant.amazon.com (10.252.50.81) To EX19D027UEC003.ant.amazon.com (10.252.137.250) On 23/03/2026 17:44, David Hildenbrand (Arm) wrote: > On 3/17/26 15:10, Kalyazin, Nikita wrote: >> From: Nikita Kalyazin >> > > Just a nit while reading over it once more: restate what the patch > subject says. > > Like "Let's convert set_direct_map_*() to take an address instead of a > page to prepare for adding helpers that operate on folios; it will be > more efficient to convert from a folio directly to an address without > going through a page first." Done, thanks. > >> This is to avoid excessive conversions folio->page->address when adding >> helpers on top of set_direct_map_valid_noflush() in the next patch. >> >> Acked-by: David Hildenbrand (Arm) >> Signed-off-by: Nikita Kalyazin >> --- > > -- > Cheers, > > David