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 F35EBC02180 for ; Wed, 15 Jan 2025 22:54:28 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 4F5FB6B007B; Wed, 15 Jan 2025 17:54:28 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 4A5256B0082; Wed, 15 Jan 2025 17:54:28 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 36CAA6B0085; Wed, 15 Jan 2025 17:54:28 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 18D3E6B007B for ; Wed, 15 Jan 2025 17:54:28 -0500 (EST) Received: from smtpin21.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 7E0954365E for ; Wed, 15 Jan 2025 22:54:27 +0000 (UTC) X-FDA: 83011191774.21.0A90AA2 Received: from nyc.source.kernel.org (nyc.source.kernel.org [147.75.193.91]) by imf24.hostedemail.com (Postfix) with ESMTP id CF66A180003 for ; Wed, 15 Jan 2025 22:54:25 +0000 (UTC) Authentication-Results: imf24.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=EMJ7AYOZ; spf=pass (imf24.hostedemail.com: domain of akpm@linux-foundation.org designates 147.75.193.91 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1736981665; 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=LnOmdFWpAdJzkR6StxB4o+X8n10iM0Ob/4/1DX8I1Xg=; b=QOwpxlCZf1erNL9QcRlwP/v/fhy69B+AnJpZ3URxNG0sVdqmaaQqKLUfaq3+ljsqyOtQqU RCkXNXFM0sJ09jQdBlvnzASIkBWvG1uG/fgxjlbiXNcGIbtG5+9zDi0YYd0D/Efh0dcPVj xDlEB2dj8Blh2JyPCbIlxO/kl2QmqfM= ARC-Authentication-Results: i=1; imf24.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=EMJ7AYOZ; spf=pass (imf24.hostedemail.com: domain of akpm@linux-foundation.org designates 147.75.193.91 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1736981665; a=rsa-sha256; cv=none; b=LL1xzNFEcIJjuK6cI5LHqtXWDQg2j9YGrcizCFdTbhF66soKYRlITh6p/DEnRmQZ8kluBl +fINIMHh40qU0en0maooAhyx9+i0aVe9JGX92lgx2UbIOTL9Bdilx6VsKx3IUY70FLDKiP zRvztLInpiy8H1BF34ZGkuhtfhp2khM= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id 195E3A4264A; Wed, 15 Jan 2025 22:52:37 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 475D0C4CED1; Wed, 15 Jan 2025 22:54:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1736981664; bh=GztnMrOjBn6CpkdQ0LThEvpzVmWPcr/qYWuQD4BWq9c=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=EMJ7AYOZmeaV/MS6YAhMcx1TTnZlauCOzegbWX0GBnGhpPeffEwzLGJUH4WgFh3OV 5gvtaX/WzwPBR5MGiZYizj2+3CWhMhk++bVyqc1tVhZre1mMWY0iTNq5VIhJDTuIND a12I25A1btyaduJTAHEtP+3804rzZjvQztDdPWQo= Date: Wed, 15 Jan 2025 14:54:23 -0800 From: Andrew Morton To: Lorenzo Stoakes Cc: Peter Xu , Ryan Roberts , Muchun Song , "Liam R. Howlett" , Vlastimil Babka , Jann Horn , Shuah Khan , David Hildenbrand , =?UTF-8?Q?Miko=C5=82aj?= Lenczewski , Mark Rutland , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH v1 1/2] mm: Clear uffd-wp PTE/PMD state on mremap() Message-Id: <20250115145423.62ec971812b8d975c16b9993@linux-foundation.org> In-Reply-To: <9221000a-161b-46ea-a065-ee339837aacb@lucifer.local> References: <20250107144755.1871363-1-ryan.roberts@arm.com> <20250107144755.1871363-2-ryan.roberts@arm.com> <26ee9ae0-405f-4085-a864-48d1ee6371f1@arm.com> <9221000a-161b-46ea-a065-ee339837aacb@lucifer.local> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: CF66A180003 X-Stat-Signature: zmex8y3pejxcn88jgpwwid6fktiocu5u X-Rspam-User: X-HE-Tag: 1736981665-538860 X-HE-Meta: U2FsdGVkX19gHyoWvqBd3ZuxC1NrsdCLvMrLF23d9Vt1LInjYGyALK6fTkbxEm/9Gt6BbDLJdtx6u4emA+aYi8Gzp08Jb3VrcOg/YOFfOMucm5Xqo9X8d7LY0LuCJhPW9G58SKmX0LW66VCUFFq6xRXS/rEUUkWAWGya3oJzoIvm6lscPJga4nVNn7EGhFlQUxN9Kd1h9ct5STTOHFV3AynDS2j3z0FTpn3aWluGG5BS+PSv43e17xMEm9s8KjAfn4aM05+ZJhnR/m9mX9jaEKgtUOxXowpoMTJABCqVzZdEeUyml/5Mnw23UdnPGTWTrr0F7eKOINu7yQGu+R/QQ2bp8TEc012gl2bEVFaKEcabX3YfzkrALsh2likpkoAr6B0g2mZ9a/ragy1GQsV3n+ma8czydRZoN7/HKQ+ZRG2pME2UQ3sQ1sxBfitL30UIwS6PL0Icgt57jS/b36kCKeRtLJSTykbCAucsGHoc2V8Z3oMrFScLNvzuUSBlVHXdqMvcb7MmY3pq6Z+4nWUPxoUcOY4pzxry30b6aqvsVCNUQXB8c42XDvp614U3d3cNa5GnRDm0EePUZLSD9ic1DuAFkDxbKPozq5bxj48SJIjn7K11o0SRJcZUc0aT9Yfri+FFAHH1RDtog5tubMpy1d3/l0GqkSHjvNJh4Wj3k54ofHEx2RpxBSQmkJNhwRYSEG/qmraqcDUUsQ/mmpzsujnneJj6izHFUJv0Yt7EEa+4ZPpns6TuOAsVVWQIct5aO9t9ZsBnDkxwVgpVgZjGpj+VJIbrk+Zz1lcUxjNfj4wbD4dP/gafwQ6BVPq2aOlUGFRaCYHnu9AnHfbIrBpyTtFF5KCx00QNg0AZ7YNou5zXjmzyl3GihUZ0DSilzheef+hM7FhHqd2F5spsR/8KQdbQWyTsLF8rdh/X5Li4TaPtSOrLqJgwDNi/QEN4iIEjiiYEIqdNfSTPOLPy9Kk gWpFGHBD UJXZf7AcsmOVpWFeuDZzuQjHD71XvHfPuwSx0kb2FOPaFlHlxPSfoNTeeXAospr2hTMjYcvgkPnM1R+vAhIgY6FF/Gx+l/ml+kbQB9i418Q3IK64sj0ziMAqLk4EY1KWwaXbestwV6djBdYsZoKmc5L6X0UKvat3JUHE8cC0Vfk75Vd1DiKS94MjYITOtb/nKFjaRrNFQGKJdiHCd4hPasfOIsrklzY/AeT87es9pQIjsoW+DSmQFZavjvha5IUhmm9QVUGWWncFZ7rgTqFoSx/YXtw== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000011, 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 Wed, 15 Jan 2025 17:30:20 +0000 Lorenzo Stoakes wrote: > I sort of favour putting hotfixes in quick, but this one has gone in > quicker than some reviewed hotfixes which we left in unstable... however > towards the end of a cycle I think Andrew is stuck between a rock and a > hard place in deciding how to handle these. > > So I'm guessing the heuristic is 'allow to simmer in unstable if time > permits in cycle', if known 'good egg' + no objection + towards end of > cycle + hotfix - send. Yup. Plus this patch had such a convincing changelog ;)