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Thu, 09 Oct 2025 18:18:27 -0700 (PDT) Received: from localhost ([185.92.221.13]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b55d971ec69sm97255066b.85.2025.10.09.18.18.26 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Thu, 09 Oct 2025 18:18:26 -0700 (PDT) Date: Fri, 10 Oct 2025 01:18:26 +0000 From: Wei Yang To: Anshuman Khandual Cc: linux-mm@kvack.org, Andrew Morton , David Hildenbrand , linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm: Replace READ_ONCE() with standard page table accessors Message-ID: <20251010011826.4wv6sb4z3sedpabu@master> Reply-To: Wei Yang References: <20251007063100.2396936-1-anshuman.khandual@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251007063100.2396936-1-anshuman.khandual@arm.com> User-Agent: NeoMutt/20170113 (1.7.2) X-Rspamd-Queue-Id: F171E40006 X-Rspamd-Server: rspam11 X-Rspam-User: X-Stat-Signature: f3jebyow7fxwey3rtykcmqddoc43zj6z X-HE-Tag: 1760059108-210950 X-HE-Meta: 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 eJjopBp7 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, Oct 07, 2025 at 07:31:00AM +0100, Anshuman Khandual wrote: >Replace all READ_ONCE() with a standard page table accessors i.e pxdp_get() >that defaults into READ_ONCE() in cases where platform does not override. > >Cc: Andrew Morton >Cc: David Hildenbrand >Cc: linux-mm@kvack.org >Cc: linux-kernel@vger.kernel.org >Signed-off-by: Anshuman Khandual Reviewed-by: Wei Yang -- Wei Yang Help you, Help me