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From: Qi Zheng <zhengqi.arch@bytedance.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: tglx@linutronix.de, david@redhat.com, jannh@google.com,
	hughd@google.com, yuzhao@google.com, willy@infradead.org,
	muchun.song@linux.dev, vbabka@kernel.org,
	lorenzo.stoakes@oracle.com, akpm@linux-foundation.org,
	rientjes@google.com, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 00/12] move pagetable_*_dtor() to __tlb_remove_table()
Date: Sun, 15 Dec 2024 14:23:25 +0800	[thread overview]
Message-ID: <3e790063-dea0-4ba2-9d25-4abcc072fba4@bytedance.com> (raw)
In-Reply-To: <20241214185511.GF10560@noisy.programming.kicks-ass.net>



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@infradead.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@infradead.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!




      reply	other threads:[~2024-12-15  6:24 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-12-14  9:02 Qi Zheng
2024-12-14  9:02 ` [PATCH 01/12] Revert "mm: pgtable: make ptlock be freed by RCU" Qi Zheng
2024-12-14 18:29   ` Yu Zhao
2024-12-15  6:29     ` Qi Zheng
2024-12-16  6:10       ` Andrew Morton
2024-12-16  6:15         ` Qi Zheng
2024-12-16  6:35           ` Andrew Morton
2024-12-16  6:39             ` Qi Zheng
2024-12-14  9:02 ` [PATCH 02/12] mm: pgtable: introduce generic p4d_alloc_one() and p4d_free() Qi Zheng
2024-12-18 14:26   ` Klara Modin
2024-12-18 14:42     ` Qi Zheng
2024-12-14  9:02 ` [PATCH 03/12] arm64: pgtable: use mmu gather to free p4d level page table Qi Zheng
2024-12-14  9:02 ` [PATCH 04/12] s390: pgtable: add statistics for PUD and P4D " Qi Zheng
2024-12-14  9:02 ` [PATCH 05/12] mm: pgtable: introduce pagetable_dtor() Qi Zheng
2024-12-14  9:02 ` [PATCH 06/12] arm: pgtable: move pagetable_dtor() to __tlb_remove_table() Qi Zheng
2024-12-14  9:02 ` [PATCH 07/12] arm64: " Qi Zheng
2024-12-14  9:02 ` [PATCH 08/12] riscv: " Qi Zheng
2024-12-14  9:02 ` [PATCH 09/12] x86: " Qi Zheng
2024-12-14  9:02 ` [PATCH 10/12] s390: pgtable: also move pagetable_dtor() of PxD " Qi Zheng
2024-12-14  9:02 ` [PATCH 11/12] mm: pgtable: introduce generic __tlb_remove_table() Qi Zheng
2024-12-16 12:00   ` Peter Zijlstra
2024-12-16 12:03     ` Peter Zijlstra
2024-12-16 12:05       ` Peter Zijlstra
2024-12-16 13:53         ` Qi Zheng
2024-12-16 12:52     ` Qi Zheng
2024-12-16 18:12       ` Peter Zijlstra
2024-12-17  3:42         ` Qi Zheng
2024-12-17  9:02           ` Peter Zijlstra
2024-12-17  9:10             ` Qi Zheng
2024-12-14  9:02 ` [PATCH 12/12] mm: pgtable: move __tlb_remove_table_one() in x86 to generic file Qi Zheng
2024-12-14 18:55 ` [PATCH 00/12] move pagetable_*_dtor() to __tlb_remove_table() Peter Zijlstra
2024-12-15  6:23   ` Qi Zheng [this message]

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