linux-kernel - Re: [PATCH v3 04/22] perf/events: replace READ_ONCE() with standard page table accessors

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Message-ID: <0898b3ab-ae9a-49c8-a026-b9dac50e38c9@kernel.org>
Date: Thu, 13 Nov 2025 20:10:33 +0100
From: "David Hildenbrand (Red Hat)" <david@...nel.org>
To: Samuel Holland <samuel.holland@...ive.com>,
 Palmer Dabbelt <palmer@...belt.com>, Paul Walmsley <pjw@...nel.org>,
 linux-riscv@...ts.infradead.org, Andrew Morton <akpm@...ux-foundation.org>,
 linux-mm@...ck.org
Cc: devicetree@...r.kernel.org, Suren Baghdasaryan <surenb@...gle.com>,
 linux-kernel@...r.kernel.org, Mike Rapoport <rppt@...nel.org>,
 Michal Hocko <mhocko@...e.com>, Conor Dooley <conor@...nel.org>,
 Lorenzo Stoakes <lorenzo.stoakes@...cle.com>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Alexandre Ghiti <alex@...ti.fr>,
 Emil Renner Berthing <kernel@...il.dk>, Rob Herring <robh+dt@...nel.org>,
 Vlastimil Babka <vbabka@...e.cz>, "Liam R . Howlett"
 <Liam.Howlett@...cle.com>, Anshuman Khandual <anshuman.khandual@....com>,
 Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>,
 Arnaldo Carvalho de Melo <acme@...nel.org>,
 Namhyung Kim <namhyung@...nel.org>, linux-perf-users@...r.kernel.org
Subject: Re: [PATCH v3 04/22] perf/events: replace READ_ONCE() with standard
 page table accessors

On 13.11.25 02:45, Samuel Holland wrote:
> From: Anshuman Khandual <anshuman.khandual@....com>
> 
> 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.
> 
> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: Ingo Molnar <mingo@...hat.com>
> Cc: Arnaldo Carvalho de Melo <acme@...nel.org>
> Cc: Namhyung Kim <namhyung@...nel.org>
> Cc: linux-perf-users@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org
> Signed-off-by: Anshuman Khandual <anshuman.khandual@....com>
> Link: https://lore.kernel.org/r/20251006042622.1743675-1-anshuman.khandual@arm.com/
> Signed-off-by: Samuel Holland <samuel.holland@...ive.com>
> ---

Acked-by: David Hildenbrand (Red Hat) <david@...nel.org>

-- 
Cheers

David