linux-kernel - Re: [PATCH v1 1/2] mm: Clear uffd-wp PTE/PMD state on mremap()

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Message-Id: <20250115145423.62ec971812b8d975c16b9993@linux-foundation.org>
Date: Wed, 15 Jan 2025 14:54:23 -0800
From: Andrew Morton <akpm@...ux-foundation.org>
To: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
Cc: Peter Xu <peterx@...hat.com>, Ryan Roberts <ryan.roberts@....com>,
 Muchun Song <muchun.song@...ux.dev>, "Liam R. Howlett"
 <Liam.Howlett@...cle.com>, Vlastimil Babka <vbabka@...e.cz>, Jann Horn
 <jannh@...gle.com>, Shuah Khan <shuah@...nel.org>, David Hildenbrand
 <david@...hat.com>, Mikołaj Lenczewski
 <miko.lenczewski@....com>, Mark Rutland <mark.rutland@....com>,
 linux-kernel@...r.kernel.org, linux-mm@...ck.org,
 linux-kselftest@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH v1 1/2] mm: Clear uffd-wp PTE/PMD state on mremap()

On Wed, 15 Jan 2025 17:30:20 +0000 Lorenzo Stoakes <lorenzo.stoakes@...cle.com> 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 ;)