linux-kernel - Re: [PATCH 00/12] move pagetable_*_dtor() to __tlb_remove

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Message-ID: <20241214185511.GF10560@noisy.programming.kicks-ass.net>
Date: Sat, 14 Dec 2024 19:55:11 +0100
From: Peter Zijlstra <peterz@...radead.org>
To: Qi Zheng <zhengqi.arch@...edance.com>
Cc: tglx@...utronix.de, david@...hat.com, jannh@...gle.com,
	hughd@...gle.com, yuzhao@...gle.com, willy@...radead.org,
	muchun.song@...ux.dev, vbabka@...nel.org,
	lorenzo.stoakes@...cle.com, akpm@...ux-foundation.org,
	rientjes@...gle.com, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 00/12] move pagetable_*_dtor() to __tlb_remove_table()

On Sat, Dec 14, 2024 at 05:02:46PM +0800, Qi Zheng wrote:

> As proposed [1] by Peter Zijlstra below, this patch series aims to move
> pagetable_*_dtor() into __tlb_remove_table(). This will cleanup pagetable_*_dtor()
> a bit and more gracefully fix the UAF issue [2] reported by syzbot.

I'll go over the patches in more detail on Monday, but at least the
first few patches should probably carry something like:

Originally-by: Peter Zijlstra (Intel) <peterz@...radead.org>

Since you extracted it from my half-baked patch, the rest could probably
do with:

Suggested-by: Peter Zijlstra (Intel) <peterz@...radead.org>

Anyway, thanks for doing this, and so quicky! As said, I'll read more on
Monday.