From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 AA343190051; Thu, 6 Mar 2025 12:03:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741262583; cv=none; b=eZOoTOgBjsf3INbdhr/PiaKBEv473LuQlLSIiAlX5/C1WbSoj4tVm6Q0MdgcyZCewMz0RVslyyXueAGINsjZQQCKPf3Nz06z22JH+n4nI7G2mxmSrc0VcA7ph5fmuJUO1hTv2xZlTQa2jmdvsV85Bd52WLlKfdkR2mUnri/tHWw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741262583; c=relaxed/simple; bh=Sm7kxac7CKHBKm9YZhYiCqnfeTenfTDMZMaC+pZsQ6o=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=WpPuNRztwLis7Ap3zswejbhGwFZeItpQ7B3+WeyftZ/4IuriYtIOLDwU1m3p2uhXI96jgFR2pZ8Vt294CiMNnn9Vedm4Mu5N7bpjVDkJMwC/oOLxnfw2hc8YpI1xE7F+Zhmar7groGVQ+PrRQ6Qlu9ieKwE8oEI6Xq3c1bFbeEc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=eD+Lp+m8; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="eD+Lp+m8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CE78AC4CEE0; Thu, 6 Mar 2025 12:03:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741262583; bh=Sm7kxac7CKHBKm9YZhYiCqnfeTenfTDMZMaC+pZsQ6o=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=eD+Lp+m8kQYNfY2ewgxrXQf0QIVosYgqylyClb6EPTJObQIz/DSWeSulxqUOeWjAA m91I2Ay3+vO9yVyAIw/vitSr/1Uef9YCXst2p8VZgUNNESBy2IZr4hSx9+SxbiBRJE 2BLe/wR0zgPK3hrU0wmJlDosa3m8vkIwjq21uk7t2kB+KCM681oiab6oAnz8pdd6iQ zqbFXIlxNwWzb0E096hGliGYioPjKcWwtEXqzCC3v/7AX29oeXA70GqSK1VbuOlTQD YD1l+qUoExfOtrJt5Xzx2ZHPjopVlPpUo6ZteGOd1CzpjgTfcXVbZxblGgovnGTp9w sV/siPY4851sQ== Message-ID: Date: Thu, 6 Mar 2025 13:03:00 +0100 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 6.13 100/157] arm64: hugetlb: Fix huge_ptep_get_and_clear() for non-present ptes To: Greg Kroah-Hartman , Ryan Roberts Cc: stable@vger.kernel.org, patches@lists.linux.dev, Catalin Marinas , Will Deacon References: <20250305174505.268725418@linuxfoundation.org> <20250305174509.330888653@linuxfoundation.org> <44400ac2-4c46-498c-a5d1-5a0441dd5571@kernel.org> <4d1cfbc1-0bae-4d3a-a3c5-fb3668b14ae6@arm.com> <2025030612-polio-handclasp-49f8@gregkh> Content-Language: en-US From: Jiri Slaby Autocrypt: addr=jirislaby@kernel.org; keydata= xsFNBE6S54YBEACzzjLwDUbU5elY4GTg/NdotjA0jyyJtYI86wdKraekbNE0bC4zV+ryvH4j rrcDwGs6tFVrAHvdHeIdI07s1iIx5R/ndcHwt4fvI8CL5PzPmn5J+h0WERR5rFprRh6axhOk rSD5CwQl19fm4AJCS6A9GJtOoiLpWn2/IbogPc71jQVrupZYYx51rAaHZ0D2KYK/uhfc6neJ i0WqPlbtIlIrpvWxckucNu6ZwXjFY0f3qIRg3Vqh5QxPkojGsq9tXVFVLEkSVz6FoqCHrUTx wr+aw6qqQVgvT/McQtsI0S66uIkQjzPUrgAEtWUv76rM4ekqL9stHyvTGw0Fjsualwb0Gwdx ReTZzMgheAyoy/umIOKrSEpWouVoBt5FFSZUyjuDdlPPYyPav+hpI6ggmCTld3u2hyiHji2H cDpcLM2LMhlHBipu80s9anNeZhCANDhbC5E+NZmuwgzHBcan8WC7xsPXPaiZSIm7TKaVoOcL 9tE5aN3jQmIlrT7ZUX52Ff/hSdx/JKDP3YMNtt4B0cH6ejIjtqTd+Ge8sSttsnNM0CQUkXps w98jwz+Lxw/bKMr3NSnnFpUZaxwji3BC9vYyxKMAwNelBCHEgS/OAa3EJoTfuYOK6wT6nadm YqYjwYbZE5V/SwzMbpWu7Jwlvuwyfo5mh7w5iMfnZE+vHFwp/wARAQABzSFKaXJpIFNsYWJ5 IDxqaXJpc2xhYnlAa2VybmVsLm9yZz7CwXcEEwEIACEFAlW3RUwCGwMFCwkIBwIGFQgJCgsC BBYCAwECHgECF4AACgkQvSWxBAa0cEnVTg//TQpdIAr8Tn0VAeUjdVIH9XCFw+cPSU+zMSCH eCZoA/N6gitEcnvHoFVVM7b3hK2HgoFUNbmYC0RdcSc80pOF5gCnACSP9XWHGWzeKCARRcQR 4s5YD8I4VV5hqXcKo2DFAtIOVbHDW+0okOzcecdasCakUTr7s2fXz97uuoc2gIBB7bmHUGAH XQXHvdnCLjDjR+eJN+zrtbqZKYSfj89s/ZHn5Slug6w8qOPT1sVNGG+eWPlc5s7XYhT9z66E l5C0rG35JE4PhC+tl7BaE5IwjJlBMHf/cMJxNHAYoQ1hWQCKOfMDQ6bsEr++kGUCbHkrEFwD UVA72iLnnnlZCMevwE4hc0zVhseWhPc/KMYObU1sDGqaCesRLkE3tiE7X2cikmj/qH0CoMWe gjnwnQ2qVJcaPSzJ4QITvchEQ+tbuVAyvn9H+9MkdT7b7b2OaqYsUP8rn/2k1Td5zknUz7iF oJ0Z9wPTl6tDfF8phaMIPISYrhceVOIoL+rWfaikhBulZTIT5ihieY9nQOw6vhOfWkYvv0Dl o4GRnb2ybPQpfEs7WtetOsUgiUbfljTgILFw3CsPW8JESOGQc0Pv8ieznIighqPPFz9g+zSu Ss/rpcsqag5n9rQp/H3WW5zKUpeYcKGaPDp/vSUovMcjp8USIhzBBrmI7UWAtuedG9prjqfO wU0ETpLnhgEQAM+cDWLL+Wvc9cLhA2OXZ/gMmu7NbYKjfth1UyOuBd5emIO+d4RfFM02XFTI t4MxwhAryhsKQQcA4iQNldkbyeviYrPKWjLTjRXT5cD2lpWzr+Jx7mX7InV5JOz1Qq+P+nJW YIBjUKhI03ux89p58CYil24Zpyn2F5cX7U+inY8lJIBwLPBnc9Z0An/DVnUOD+0wIcYVnZAK DiIXODkGqTg3fhZwbbi+KAhtHPFM2fGw2VTUf62IHzV+eBSnamzPOBc1XsJYKRo3FHNeLuS8 f4wUe7bWb9O66PPFK/RkeqNX6akkFBf9VfrZ1rTEKAyJ2uqf1EI1olYnENk4+00IBa+BavGQ 8UW9dGW3nbPrfuOV5UUvbnsSQwj67pSdrBQqilr5N/5H9z7VCDQ0dhuJNtvDSlTf2iUFBqgk 3smln31PUYiVPrMP0V4ja0i9qtO/TB01rTfTyXTRtqz53qO5dGsYiliJO5aUmh8swVpotgK4 /57h3zGsaXO9PGgnnAdqeKVITaFTLY1ISg+Ptb4KoliiOjrBMmQUSJVtkUXMrCMCeuPDGHo7 39Xc75lcHlGuM3yEB//htKjyprbLeLf1y4xPyTeeF5zg/0ztRZNKZicgEmxyUNBHHnBKHQxz 1j+mzH0HjZZtXjGu2KLJ18G07q0fpz2ZPk2D53Ww39VNI/J9ABEBAAHCwV8EGAECAAkFAk6S 54YCGwwACgkQvSWxBAa0cEk3tRAAgO+DFpbyIa4RlnfpcW17AfnpZi9VR5+zr496n2jH/1ld wRO/S+QNSA8qdABqMb9WI4BNaoANgcg0AS429Mq0taaWKkAjkkGAT7mD1Q5PiLr06Y/+Kzdr 90eUVneqM2TUQQbK+Kh7JwmGVrRGNqQrDk+gRNvKnGwFNeTkTKtJ0P8jYd7P1gZb9Fwj9YLx jhn/sVIhNmEBLBoI7PL+9fbILqJPHgAwW35rpnq4f/EYTykbk1sa13Tav6btJ+4QOgbcezWI wZ5w/JVfEJW9JXp3BFAVzRQ5nVrrLDAJZ8Y5ioWcm99JtSIIxXxt9FJaGc1Bgsi5K/+dyTKL wLMJgiBzbVx8G+fCJJ9YtlNOPWhbKPlrQ8+AY52Aagi9WNhe6XfJdh5g6ptiOILm330mkR4g W6nEgZVyIyTq3ekOuruftWL99qpP5zi+eNrMmLRQx9iecDNgFr342R9bTDlb1TLuRb+/tJ98 f/bIWIr0cqQmqQ33FgRhrG1+Xml6UXyJ2jExmlO8JljuOGeXYh6ZkIEyzqzffzBLXZCujlYQ DFXpyMNVJ2ZwPmX2mWEoYuaBU0JN7wM+/zWgOf2zRwhEuD3A2cO2PxoiIfyUEfB9SSmffaK/ S4xXoB6wvGENZ85Hg37C7WDNdaAt6Xh2uQIly5grkgvWppkNy4ZHxE+jeNsU7tg= In-Reply-To: <2025030612-polio-handclasp-49f8@gregkh> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 06. 03. 25, 12:57, Greg Kroah-Hartman wrote: > On Thu, Mar 06, 2025 at 11:49:15AM +0000, Ryan Roberts wrote: >> On 06/03/2025 08:08, Jiri Slaby wrote: >>> On 06. 03. 25, 9:07, Jiri Slaby wrote: >>>> On 05. 03. 25, 18:48, Greg Kroah-Hartman wrote: >>>>> 6.13-stable review patch.  If anyone has any objections, please let me know. >>>>> >>>>> ------------------ >>>>> >>>>> From: Ryan Roberts >>>>> >>>>> commit 49c87f7677746f3c5bd16c81b23700bb6b88bfd4 upstream. >>> ... >>>>> @@ -401,13 +393,8 @@ pte_t huge_ptep_get_and_clear(struct mm_ >>>>>   { >>>>>       int ncontig; >>>>>       size_t pgsize; >>>>> -    pte_t orig_pte = __ptep_get(ptep); >>>>> - >>>>> -    if (!pte_cont(orig_pte)) >>>>> -        return __ptep_get_and_clear(mm, addr, ptep); >>>>> - >>>>> -    ncontig = find_num_contig(mm, addr, ptep, &pgsize); >>>>> +    ncontig = num_contig_ptes(sz, &pgsize); >>>> >>>> >>>> This fails to build: >>>> >>>> /usr/bin/gcc-current/gcc (SUSE Linux) 14.2.1 20250220 [revision >>>> 9ffecde121af883b60bbe60d00425036bc873048] >>>> /usr/bin/aarch64-suse-linux-gcc (SUSE Linux) 14.2.1 20250220 [revision >>>> 9ffecde121af883b60bbe60d00425036bc873048] >>>> run_oldconfig.sh --check... PASS >>>> Build...                    FAIL >>>> + make -j48 -s -C /dev/shm/kbuild/linux.34170/current ARCH=arm64 HOSTCC=gcc >>>> CROSS_COMPILE=aarch64-suse-linux- clean >>>> arch/arm64/mm/hugetlbpage.c:397:35: error: 'sz' undeclared (first use in this >>>> function); did you mean 's8'? >>>>        |                                   s8 >>>> arch/arm64/mm/hugetlbpage.c:397:35: note: each undeclared identifier is >>>> reported only once for each function it appears in >>>> make[4]: *** [scripts/Makefile.build:197: arch/arm64/mm/hugetlbpage.o] Error 1 >>> >>> It looks like the stable tree is missing this pre-req: >>> commit 02410ac72ac3707936c07ede66e94360d0d65319 >>> Author: Ryan Roberts >>> Date:   Wed Feb 26 12:06:51 2025 +0000 >>> >>>     mm: hugetlb: Add huge page size param to huge_ptep_get_and_clear() >> >> Although this patch is marked for stable there was a conflict so it wasn't >> applied. I'll try to get the backport done in the next few days. > > I'll just drop this one now, can you send me the backports for both of > these when they are ready? FWIW, the series were three patches, not sure if later "101/157] arm64: hugetlb: Fix flush_hugetlb_tlb_range() invalidation level" is affected when either of the two discussed here is not present... So perhaps drop both 100+101/157 for now? thanks, -- js suse labs