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Thu, 18 Dec 2025 17:10:28 GMT Received: from smtpav03.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4BF2458056; Thu, 18 Dec 2025 17:10:28 +0000 (GMT) Received: from smtpav03.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6CCEA5803F; Thu, 18 Dec 2025 17:10:21 +0000 (GMT) Received: from jarvis.ozlabs.ibm.com (unknown [9.36.16.51]) by smtpav03.dal12v.mail.ibm.com (Postfix) with ESMTP; Thu, 18 Dec 2025 17:10:21 +0000 (GMT) From: Andrew Donnellan Date: Fri, 19 Dec 2025 04:09:37 +1100 Subject: [PATCH v18 05/12] mm/page_table_check: Provide addr parameter to page_table_check_ptes_set() MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251219-pgtable_check_v18rebase-v18-5-755bc151a50b@linux.ibm.com> References: <20251219-pgtable_check_v18rebase-v18-0-755bc151a50b@linux.ibm.com> In-Reply-To: <20251219-pgtable_check_v18rebase-v18-0-755bc151a50b@linux.ibm.com> To: linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, Pasha Tatashin , Andrew Morton , Madhavan Srinivasan , Nicholas Piggin , Rohan McLure , Christophe Leroy Cc: Alexandre Ghiti , x86@kernel.org, Nicholas Miehlbradt , Sweet Tea Dorminy , Andrew Donnellan , Srish Srinivasan , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org X-Mailer: b4 0.14.2 X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMjEzMDAyMyBTYWx0ZWRfXwrqmM5jH5TlY twqwUCruTuAPrBBYXUfYXY+TJLNkr1T0Lap0/Z6RTiMu71v1UB9qBzDuQFFTT4vrbGNWmQSxbFM xL8T+S2dkrcRNaymfSZUrU4IUj+CQe6WuxPTreqtvgUX64LZ+vxFOeokVUddWvoEi7m9WRh+jy7 YbZ3tTDztp0IaC/GMdnDZyDgMBPYcKhpMJ8IblSqrBq5PK6FTU86ba4Yq2iMy789C94F2nlxUUU 3aKYkzPQvhQ5MGk0ZQ2axQHJc+zFic6WTOZVJKka7L8a/E7numETIj3WOAfJ3VlU94rtKWgGqcL TGt/Md+bU3UQCfYp2XBu/5jfQS+gqffWaKhY/tv6g1DeDT/orzZdK6+lNg3sf6pt3maQ9wEh6mV nYzxlXoRJ4oxKfgGgnCM9Koso1flXw== X-Proofpoint-ORIG-GUID: tNcJ3CkRq9YNU_5vXjojIhgjdsSmJri_ X-Authority-Analysis: v=2.4 cv=QtRTHFyd c=1 sm=1 tr=0 ts=69443587 cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=IkcTkHD0fZMA:10 a=wP3pNCr1ah4A:10 a=VkNPw1HP01LnGYTKEx00:22 a=VnNF1IyMAAAA:8 a=7ipKWUHlAAAA:8 a=h0uksLzaAAAA:8 a=HLGKFg-hzGnhYpGVURIA:9 a=QEXdDO2ut3YA:10 a=gpc5p9EgBqZVLdJeV_V1:22 a=MSi_79tMYmZZG2gvAgS0:22 X-Proofpoint-GUID: 1NC-0ugCpLo-736stlHdKZQlU2SwS_3X X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-12-18_02,2025-12-17_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 adultscore=0 malwarescore=0 lowpriorityscore=0 spamscore=0 priorityscore=1501 bulkscore=0 suspectscore=0 impostorscore=0 clxscore=1011 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2510240000 definitions=main-2512130023 X-Stat-Signature: i673mrbtu7hhuqh556us1do4kyepkioi X-Rspam-User: X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: AC050140006 X-HE-Tag: 1766077837-671186 X-HE-Meta: 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 gjHwFlJf IIdDzOiAjIElasditO8ulUsjbmMjR1Hj/EvJi/f6JWF38ZlV+yaud3oSY5szapobcKjxrIEtToh3CFH0NMYOrK8NimxgQ87AW0znDlpCTCIhuIRjbnEWpZz2v8MfXCF31/ViRarLiojCt15fMD5HZUTYqjuu+C9XK7bR0BEZJoi15UNF8HLbh528gBXO5qMpri4BGR5FQpXth2zV+Brm+uUXhteF+C2MYblPPDeL9AZKEig7FgBVCj4bJ+tmU7wT/JUvs44jCIbI41U8ntzmtYkg70loH11bXDMzaxzbvxiZkgDZanYK7XZv2llnwCB6d5ryhP9CuzouW9ohETtbt2qSd6FoEZF9Q96Qv7cgzLqLiN2TJTR2AwJgyfArnEGtk6OSvXdHurbea0145eknQpuvCUcljuz8cBQMrfyWcXK3o83q8BRNzTSE0NuJw4CsRBlfG2Dj0V8xP9fFAOm964f9UTQTsgTwhremltDlhapHriY3+zgbJCm3hh09r15puviC+zI9uIwZm9+ZR1x2vyDK2u1DhodsNbwzee0NUOsI7f80= 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: From: Rohan McLure To provide support for powerpc platforms, provide an addr parameter to the __page_table_check_ptes_set() and page_table_check_ptes_set() routines. This parameter is needed on some powerpc platforms which do not encode whether a mapping is for user or kernel in the pte. On such platforms, this can be inferred from the addr parameter. [ajd@linux.ibm.com: rebase on arm64 + riscv changes, update commit message] Signed-off-by: Rohan McLure Reviewed-by: Pasha Tatashin Acked-by: Alexandre Ghiti # riscv Signed-off-by: Andrew Donnellan --- v15: rebase, amend commit message --- arch/arm64/include/asm/pgtable.h | 2 +- arch/riscv/include/asm/pgtable.h | 2 +- include/linux/page_table_check.h | 12 +++++++----- include/linux/pgtable.h | 2 +- mm/page_table_check.c | 4 ++-- 5 files changed, 12 insertions(+), 10 deletions(-) diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 4b580d6246f5a1c8f859bf79665419bbcd8c7cd3..d1dd0266bb0c946442df88594cc39e958185af0a 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -681,7 +681,7 @@ static inline void __set_ptes_anysz(struct mm_struct *mm, unsigned long addr, switch (pgsize) { case PAGE_SIZE: - page_table_check_ptes_set(mm, ptep, pte, nr); + page_table_check_ptes_set(mm, addr, ptep, pte, nr); break; case PMD_SIZE: page_table_check_pmds_set(mm, addr, (pmd_t *)ptep, diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h index 3fea1d07f7470a04fdc9a6f581d21667e35e0e2a..89abba40e3e426c00e6964bdf135042777319588 100644 --- a/arch/riscv/include/asm/pgtable.h +++ b/arch/riscv/include/asm/pgtable.h @@ -631,7 +631,7 @@ static inline void __set_pte_at(struct mm_struct *mm, pte_t *ptep, pte_t pteval) static inline void set_ptes(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pteval, unsigned int nr) { - page_table_check_ptes_set(mm, ptep, pteval, nr); + page_table_check_ptes_set(mm, addr, ptep, pteval, nr); for (;;) { __set_pte_at(mm, ptep, pteval); diff --git a/include/linux/page_table_check.h b/include/linux/page_table_check.h index cf7c28d8d468c026cb5278435a64fbcf0fe9260e..66e10923841691a59620da8d17f7bb7b09e6a6d3 100644 --- a/include/linux/page_table_check.h +++ b/include/linux/page_table_check.h @@ -17,8 +17,8 @@ void __page_table_check_zero(struct page *page, unsigned int order); void __page_table_check_pte_clear(struct mm_struct *mm, pte_t pte); void __page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd); void __page_table_check_pud_clear(struct mm_struct *mm, pud_t pud); -void __page_table_check_ptes_set(struct mm_struct *mm, pte_t *ptep, pte_t pte, - unsigned int nr); +void __page_table_check_ptes_set(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, pte_t pte, unsigned int nr); void __page_table_check_pmds_set(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, pmd_t pmd, unsigned int nr); void __page_table_check_puds_set(struct mm_struct *mm, unsigned long addr, @@ -68,12 +68,13 @@ static inline void page_table_check_pud_clear(struct mm_struct *mm, pud_t pud) } static inline void page_table_check_ptes_set(struct mm_struct *mm, - pte_t *ptep, pte_t pte, unsigned int nr) + unsigned long addr, pte_t *ptep, + pte_t pte, unsigned int nr) { if (static_branch_likely(&page_table_check_disabled)) return; - __page_table_check_ptes_set(mm, ptep, pte, nr); + __page_table_check_ptes_set(mm, addr, ptep, pte, nr); } static inline void page_table_check_pmds_set(struct mm_struct *mm, @@ -127,7 +128,8 @@ static inline void page_table_check_pud_clear(struct mm_struct *mm, pud_t pud) } static inline void page_table_check_ptes_set(struct mm_struct *mm, - pte_t *ptep, pte_t pte, unsigned int nr) + unsigned long addr, pte_t *ptep, + pte_t pte, unsigned int nr) { } diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index 2f0dd3a4ace1acd665f229d4ea2a67187fd4d2b9..496873f44f67b73fc32940c956fd5265b748faad 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -429,7 +429,7 @@ static inline pte_t pte_advance_pfn(pte_t pte, unsigned long nr) static inline void set_ptes(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte, unsigned int nr) { - page_table_check_ptes_set(mm, ptep, pte, nr); + page_table_check_ptes_set(mm, addr, ptep, pte, nr); for (;;) { set_pte(ptep, pte); diff --git a/mm/page_table_check.c b/mm/page_table_check.c index 86dc4e4d1dad12fe5d9d86905234b009257586d5..2871d9c453682ba922b2fcf532cb6a7d867ad952 100644 --- a/mm/page_table_check.c +++ b/mm/page_table_check.c @@ -196,8 +196,8 @@ static void page_table_check_pte_flags(pte_t pte) } } -void __page_table_check_ptes_set(struct mm_struct *mm, pte_t *ptep, pte_t pte, - unsigned int nr) +void __page_table_check_ptes_set(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, pte_t pte, unsigned int nr) { unsigned int i; -- 2.52.0