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b=kmccLfyOjnzmP6CGeSAGf3gKD5k1PUKdiwlEWP5nftxk0+LQvNDENjJfXztbHpqqh wSp4bF5DU4vYZcOTtjWTAGGf7oruLiMCFh/2GwhNlNhH1ZJAZ947cfgEr20s5Rdnmd Dz651hgXd2jcMyJYNlKkUtAXdJU9cn1DgCi8/Uj4NZMkjYcjSO82HMiGUArYO0Vcqm nDbVw2fiyU/t60r4EcjllCuuK/E8y9Lg9c543XiD+dUKTOblOpOjplriHL/w2GTuTa YmF24Lg6pBxxajBvg+aRIpwu4ffiQQwu5ZNzmSUC0iEiGNDlGkWi97ZXFB2qATzBlC gtuarc8qI8MzQ== From: SeongJae Park To: Anshuman Khandual Cc: SeongJae Park , linux-mm@kvack.org, Andrew Morton , David Hildenbrand , linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm/ptdump: Replace READ_ONCE() with standard page table accessors Date: Tue, 30 Sep 2025 11:21:25 -0700 Message-Id: <20250930182125.45150-1-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250930025246.1143340-1-anshuman.khandual@arm.com> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 58662180006 X-Stat-Signature: xxeu6sz5pn7e7y6qz1fd9tkef31hcmru X-Rspam-User: X-HE-Tag: 1759256489-951440 X-HE-Meta: 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 nFktWWRb G12YVMr2bMuNdtoWesvdzdG+QJOQNG8JhPNesFJ2y00VJVmQ2z8CbvM/axgx+jptDIO+OjLxV9pH9I7XgNyE1XoNI6iNY9u2a3CzF9LRL5D3ZwduWy0akR8gEDXV1nt140ugBJy1IDA3XRb3cufedifbvIZFrWdThYIBh3hvKW8j+JCP97SEY0VQxhOkWvF1dsFhLiFUwO2z+e8nmtmbcv1ncRZQlrgdWOKBIKSqA5iOBq0BBJ/8IwZOkg2xDY8gfULjreyFvFiaLJSpb6Yolgr0bgcCQ7oRDZ7gs1l+L2yQJ0a7nF2UeSMpT3x9tvQD7AVJxJpO2sHFXSHgIP4J1PF8JASk5vx07rOduWQhiNUMXhost18BT9obq4/WKQ5Ys5lULOkWEaDEDWtlaZ83ZmUccRFkS+wBxeS3NvB7JPcvAQAsWb6yRlcw2f6d5LJDIHzVk/XqpoqoWGPI/b4PHl9F1+mwIKNUckEtt 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, 30 Sep 2025 03:52:46 +0100 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. > > Cc: Andrew Morton > Cc: David Hildenbrand > Cc: linux-mm@kvack.org > Cc: linux-kernel@vger.kernel.org > Signed-off-by: Anshuman Khandual Acked-by: SeongJae Park Thanks, SJ [...]