Re: [PATCH v2 5/6] x86: pgtable: convert to use tlb_remove_ptdesc()

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To: Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx>
Subject: Re: [PATCH v2 5/6] x86: pgtable: convert to use tlb_remove_ptdesc()
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Date: Tue, 25 Feb 2025 18:35:19 -0800
Cc: peterz@xxxxxxxxxxxxx, kevin.brodsky@xxxxxxx, riel@xxxxxxxxxxx, vishal.moola@xxxxxxxxx, david@xxxxxxxxxx, jannh@xxxxxxxxxx, hughd@xxxxxxxxxx, willy@xxxxxxxxxxxxx, yuzhao@xxxxxxxxxx, muchun.song@xxxxxxxxx, will@xxxxxxxxxx, aneesh.kumar@xxxxxxxxxx, npiggin@xxxxxxxxx, arnd@xxxxxxxx, dave.hansen@xxxxxxxxxxxxxxx, rppt@xxxxxxxxxx, alexghiti@xxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-csky@xxxxxxxxxxxxxxx, linux-hexagon@xxxxxxxxxxxxxxx, loongarch@xxxxxxxxxxxxxxx, linux-m68k@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxxx, linux-openrisc@xxxxxxxxxxxxxxx, linux-sh@xxxxxxxxxxxxxxx, linux-um@xxxxxxxxxxxxxxxxxxx, x86@xxxxxxxxxx, linux-riscv@xxxxxxxxxxxxxxxxxxx
In-reply-to: <36ad56b7e06fa4b17fb23c4fc650e8e0d72bb3cd.1740454179.git.zhengqi.arch@bytedance.com>
References: <cover.1740454179.git.zhengqi.arch@bytedance.com> <36ad56b7e06fa4b17fb23c4fc650e8e0d72bb3cd.1740454179.git.zhengqi.arch@bytedance.com>

On Tue, 25 Feb 2025 11:45:55 +0800 Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx> wrote:

> The x86 has already been converted to use struct ptdesc, so convert it to
> use tlb_remove_ptdesc() instead of tlb_remove_table().
> 

This is dependent upon Rik's a37259732a7dc ("x86/mm: Make
MMU_GATHER_RCU_TABLE_FREE unconditional") from the x86 tree.  I'll add
Rik's patch to mm-unstable also and shall figure it out during the
merge window.

Follow-Ups:
- Re: [PATCH v2 5/6] x86: pgtable: convert to use tlb_remove_ptdesc()
  - From: Qi Zheng

References:
- [PATCH v2 0/6] remove tlb_remove_page_ptdesc()
  - From: Qi Zheng
- [PATCH v2 5/6] x86: pgtable: convert to use tlb_remove_ptdesc()
  - From: Qi Zheng

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