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h=From:To:Cc:Subject:Date:From; b=N7Tenfyeb/B92byMKzxo1+YO/EFOWyugBUnMdXx1oEjuQ9cSSD5iIVZ474nePzmoX CwMZwNXxrUMYvcukYA/lHLlG7CkOn+z+ffmh+TMx9ZYdbPhPCxyzmm5AWUl9od8SiA sKMCxSgd0qLhr75AsY9BQ8BLyfVOHmbWuLoxwixk= From: Anshuman Khandual To: linux-arm-kernel@lists.infradead.org Cc: Anshuman Khandual , David Hildenbrand , Mike Rapoport , Andrew Morton , Lorenzo Stoakes , Catalin Marinas , Will Deacon , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH V3 0/2] arm64/mm: Standardize printing for pgtable entries Date: Wed, 16 Sep 2026 10:19:31 +0530 Message-ID: <20260916044933.2689426-1-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 5EC5580004 X-Stat-Signature: a7zbythmyphca4o3ugsz96iaxgdqs38w X-Rspam-User: X-HE-Tag: 1789534179-238216 X-HE-Meta: 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 0/I3+YcI TPtva5QGLUTN6I+2ZQ8li2q+GuTKTJrrGskJrd1vd8yDy6HxNnCTqzKtSTRpFCltPNF2euKYaKdVXA9VX10Ik4N/mPGuBFjmMhpUcwjKwPdLZx9OLCiJvX1ENdHMCn/8XUaK8GueAxphoIHHuKFVJPWhkP8QBlJ4Ik6d8CuenFOKsG8fMutDVcQ50o+uIsb5B2wL5OcjPVfelwLVvAtJ0vtsDQglFN+kYErXccynTFGPsMvcZ5odsO3HlHyJ77UAiaejFfostINklnmpcuv1ujxxl1SI+4cAUWl68y7R5gSYkyj6C+D/rS1kN+Z/VeP4xebGWY7aqSFVKXK5A5ZZsuDxWzoNdzO0S/1k7IAoUXSVTsamX8uE0D21jhf3mL53vXl8D0aC4X0+zrkNjpY0a2j9AYWsOieYxD7/w872Udse89IiNYn2gqAc+fO1qmiRUqNP8Crhvr/6y4bYSLhbK+sOQRpdigaPKugDeOfcflLdlzQw= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Standardize printing for pgtable entries using recently introduced generic helper ptval_bytes_to_hex_str() in core MM which automatically enables 128 bits entries when added later. But first move __check_safe_pte_update() outside to avoid a cyclic dependency while accessing these afore mentioned core MM helpers defined in . This replaces the original page table entry print standardisation proposal which was part of the D128 series. https://lore.kernel.org/linux-mm/20260729122452.3797443-11-anshuman.khandual@arm.com/ This series applies on v7.3-rc3 but after the following. https://lore.kernel.org/linux-mm/20260831054331.625505-1-anshuman.khandual@arm.com/ Changes in V3: - Added tags from David - Added comments in section closure for CONFIG_DEBUG_VM block Changes in V2: https://lore.kernel.org/all/20260909040005.4148136-1-anshuman.khandual@arm.com/ - Moved __check_safe_pte_update() inside #ifdef CONFIG_DEBUG_VM - Added empty stub for __check_safe_pte_update() when !CONFIG_DEBUG_VM - Dropped IS_ENABLED(CONFIG_DEBUG_VM) from __check_safe_pte_update() - Replaced pgtable level specific strings with pxd_str[] in show_pte() Changes in V1: https://lore.kernel.org/all/20260901065454.1906343-1-anshuman.khandual@arm.com/ Cc: David Hildenbrand (Arm) Cc: Mike Rapoport (Microsoft) Cc: Andrew Morton Cc: Lorenzo Stoakes Cc: Catalin Marinas Cc: Will Deacon Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org Anshuman Khandual (2): arm64/mm: Move __check_safe_pte_update() arm64/mm: Standardize printing for pgtable entries arch/arm64/include/asm/pgtable.h | 49 ++++---------------------------- arch/arm64/mm/fault.c | 16 +++++++---- arch/arm64/mm/mmu.c | 48 +++++++++++++++++++++++++++++++ 3 files changed, 64 insertions(+), 49 deletions(-) -- 2.43.0