linux-kernel - Re: [PATCH V2] mm/ptdump: Replace READ_ONCE() with standard page table accessors

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Message-ID: <43703e04-3edc-4121-9d52-9852648971e4@redhat.com>
Date: Wed, 1 Oct 2025 10:26:09 +0200
From: David Hildenbrand <david@...hat.com>
To: Anshuman Khandual <anshuman.khandual@....com>, linux-mm@...ck.org
Cc: Andrew Morton <akpm@...ux-foundation.org>, linux-kernel@...r.kernel.org,
 Dev Jain <dev.jain@....com>, Lance Yang <lance.yang@...ux.dev>,
 SeongJae Park <sj@...nel.org>
Subject: Re: [PATCH V2] mm/ptdump: Replace READ_ONCE() with standard page
 table accessors

On 01.10.25 06:25, Anshuman Khandual wrote:
> Replace READ_ONCE() with standard page table accessors i.e pxdp_get() which
> anyways default into READ_ONCE() in cases where platform does not override.
> Also convert ptep_get_lockless() into ptep_get() as well.
> 

Could have mentioned that no config that requires ptep_get_lockless() 
ends up enabling ptdump.

Acked-by: David Hildenbrand <david@...hat.com>

-- 
Cheers

David / dhildenb