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

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Message-ID: <3e790063-dea0-4ba2-9d25-4abcc072fba4@bytedance.com>
Date: Sun, 15 Dec 2024 14:23:25 +0800
From: Qi Zheng <zhengqi.arch@...edance.com>
To: Peter Zijlstra <peterz@...radead.org>
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 2024/12/15 02:55, Peter Zijlstra wrote:
> 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>

Right! Will add this for [PATCH 02/12], [PATCH 03/12] and [PATCH 05/12],

> 
> Since you extracted it from my half-baked patch, the rest could probably
> do with:
> 
> Suggested-by: Peter Zijlstra (Intel) <peterz@...radead.org>

and add this for [PATCH 04/12], [PATCH 06|07|08|09|10/12].

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

Thanks!