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 392F28F77; Wed, 15 Jan 2025 22:54:24 +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=1736981665; cv=none; b=bL+cOOn7jI7sOuGIGpogR7kZeQMSYnnS7HRkZ3h4qTDyvz6HkfXBax/v66ddP5JgFh7SRXwaACBjGQkXQ2R2cgwAR9oy66nRpFmvZh0sVTHCbqrxdyN2XozBByGe4hBF397FtiIci0L24a5cjIidz+qkaU1ZwgZXoejB91h7onU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736981665; c=relaxed/simple; bh=GztnMrOjBn6CpkdQ0LThEvpzVmWPcr/qYWuQD4BWq9c=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=qQ3UYTyMLfS+D+KPs/k6+DMESQnQUVPtBUz1WJjVXvIUShScmERB7lXicRuABICbAIf7t9yb1cwoWW2Bn4rfIXHH74gAn4SwXw66+alOW9bYVJ55JWDqaD8L0L5BMKGFk9OSJwULEENqt5zib0VPM6LOyike0nt+/PJTCczNGl4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=EMJ7AYOZ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="EMJ7AYOZ" 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) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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 ;)