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GET /api/1.0/patches/2175638/?format=api
{ "id": 2175638, "url": "http://patchwork.ozlabs.org/api/1.0/patches/2175638/?format=api", "project": { "id": 2, "url": "http://patchwork.ozlabs.org/api/1.0/projects/2/?format=api", "name": "Linux PPC development", "link_name": "linuxppc-dev", "list_id": "linuxppc-dev.lists.ozlabs.org", "list_email": "linuxppc-dev@lists.ozlabs.org", "web_url": "https://github.com/linuxppc/wiki/wiki", "scm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git", "webscm_url": "https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/" }, "msgid": "<20251219-pgtable_check_v18rebase-v18-2-755bc151a50b@linux.ibm.com>", "date": "2025-12-18T17:09:34", "name": "[v18,02/12] arm64/mm: Add addr parameter to __ptep_get_and_clear_anysz()", "commit_ref": null, "pull_url": null, "state": "handled-elsewhere", "archived": false, "hash": "f57544c59871beb064e309c962b5f050f91fc784", "submitter": { "id": 76551, "url": "http://patchwork.ozlabs.org/api/1.0/people/76551/?format=api", "name": "Andrew Donnellan", "email": "ajd@linux.ibm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20251219-pgtable_check_v18rebase-v18-2-755bc151a50b@linux.ibm.com/mbox/", "series": [ { "id": 485885, "url": "http://patchwork.ozlabs.org/api/1.0/series/485885/?format=api", "date": "2025-12-18T17:09:32", "name": "Support page table check on PowerPC", "version": 18, "mbox": "http://patchwork.ozlabs.org/series/485885/mbox/" } ], "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2175638/checks/", "tags": {}, "headers": { "Return-Path": "\n <linuxppc-dev+bounces-14869-incoming=patchwork.ozlabs.org@lists.ozlabs.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linuxppc-dev@lists.ozlabs.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256\n header.s=pp1 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b=f7LT/bCYuTb2RsBrMKjwiN\n\tpuc/TVz7zgjtBIu7K2Jh3vboqdjgu+EjGFEp9iHywQkgZ1W77p5c4HNDYFqPv24X\n\t+3/a1AFNJHLqUZWY5KGyqfxbm8WgJUxrD9LOiTFiUXwnlg5yZ+jSytS6ze+1grVB\n\tzuglpqOuyt5g5L+lH8HJIfdnWYJV496Sjyxm9lhl9CGu1Si7ciODRA9iwzrN0Zo0\n\tVEJBmnuxaMAnHt10nhmUXSpQG+S4Z/Pn0pmYmOmmujt//XePRZPgnkTqkTr+dU6s\n\tG4fyLmx0+bZQC5ph31JPAz5tmH8hYHhXX7dz8YDhTFo2nX2+dw9+4b16sxbG/koA\n\t==", "From": "Andrew Donnellan <ajd@linux.ibm.com>", "Date": "Fri, 19 Dec 2025 04:09:34 +1100", "Subject": "[PATCH v18 02/12] arm64/mm: Add addr parameter to\n __ptep_get_and_clear_anysz()", "X-Mailing-List": "linuxppc-dev@lists.ozlabs.org", "List-Id": "<linuxppc-dev.lists.ozlabs.org>", "List-Help": "<mailto:linuxppc-dev+help@lists.ozlabs.org>", "List-Owner": "<mailto:linuxppc-dev+owner@lists.ozlabs.org>", "List-Post": "<mailto:linuxppc-dev@lists.ozlabs.org>", "List-Archive": "<https://lore.kernel.org/linuxppc-dev/>,\n <https://lists.ozlabs.org/pipermail/linuxppc-dev/>", "List-Subscribe": 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x86@kernel.org,\n Nicholas Miehlbradt <nicholas@linux.ibm.com>,\n Sweet Tea Dorminy <sweettea-kernel@dorminy.me>,\n Andrew Donnellan <andrew+kernel@donnellan.id.au>,\n Srish Srinivasan <ssrish@linux.ibm.com>,\n linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,\n linux-riscv@lists.infradead.org", "X-Mailer": "b4 0.14.2", "X-TM-AS-GCONF": "00", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjUxMjEzMDAwMSBTYWx0ZWRfXz2BXSIdKVlKv\n ph9tKMbKKWgYJVE+YjwoQH0CGqLmECCZuiPUxLGsr8MwdqdkA8rTAYBjfJDSxUZgPcTSCkUlPmI\n lrD6On7m+7WClXQRr/QUvAS/AzaiFk738mzAq/MNE/QEAnrWFN4IQoh1mvzN4XNh3o4psowF+En\n o0SQzcV9ma2BDAxdicQfTUQGAux5hiGzwXObHpGF8UM3KhQfN+zZgaP/NrE9mEbV0DiYOkOW3tK\n bBiaxKSJ6vzSdQE2xqk+F9uEh72/Gm3JHQPPBq2cFFMeZ1tf0Q7Nb8tIWKREu7hUFh7vd1SwFTy\n oWjCzTFJUjN9/O7DRNd5Joq7acw0Lp4Wj6opSl+Hg2U4+4RPUbO3qsVVpbqQUl9a8KF2auN2tw5\n Um4BFfMgWrVAulVcQVsHYjJfsF86JQ==", "X-Proofpoint-GUID": "E5wcBm6o_TA3p2uE06S9hUaC0FTJM0c3", "X-Proofpoint-ORIG-GUID": "Gme6pxPtjG-OXJ3yR_iw4NEDBblaNn5Y", "X-Authority-Analysis": "v=2.4 cv=Kq5AGGWN c=1 sm=1 tr=0 ts=69443570 cx=c_pps\n a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17\n a=IkcTkHD0fZMA:10 a=wP3pNCr1ah4A:10 a=VkNPw1HP01LnGYTKEx00:22\n a=VnNF1IyMAAAA:8 a=4PT1ayd0SIKHQ98-h3UA:9 a=QEXdDO2ut3YA:10", "X-Proofpoint-Virus-Version": "vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49\n definitions=2025-12-18_02,2025-12-17_02,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n suspectscore=0 malwarescore=0 impostorscore=0 clxscore=1011 spamscore=0\n priorityscore=1501 lowpriorityscore=0 bulkscore=0 phishscore=0 adultscore=0\n classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0\n reason=mlx scancount=1 engine=8.19.0-2510240000 definitions=main-2512130001", "X-Spam-Status": "No, score=-0.7 required=3.0 tests=DKIM_SIGNED,DKIM_VALID,\n\tRCVD_IN_DNSWL_LOW,RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,\n\tSPF_PASS autolearn=disabled version=4.0.1 OzLabs 8", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org" }, "content": "To provide support for page table check on powerpc, we need to reinstate the\naddress parameter in several functions, including\npage_table_check_{pte,pmd,pud}_clear().\n\nIn preparation for this, add the addr parameter to arm64's\n__ptep_get_and_clear_anysz() and change its callsites accordingly.\n\nSigned-off-by: Andrew Donnellan <ajd@linux.ibm.com>\n---\nv15: new patch\n---\n arch/arm64/include/asm/pgtable.h | 5 +++--\n arch/arm64/mm/hugetlbpage.c | 7 ++++---\n 2 files changed, 7 insertions(+), 5 deletions(-)", "diff": "diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h\nindex 52f3ea07427cef399e68bea0dbab39d03ea83060..29f7ae7011a820687f5b1e2fdc782eb37f85fc1b 100644\n--- a/arch/arm64/include/asm/pgtable.h\n+++ b/arch/arm64/include/asm/pgtable.h\n@@ -1332,6 +1332,7 @@ static inline int pmdp_test_and_clear_young(struct vm_area_struct *vma,\n #endif /* CONFIG_TRANSPARENT_HUGEPAGE || CONFIG_ARCH_HAS_NONLEAF_PMD_YOUNG */\n \n static inline pte_t __ptep_get_and_clear_anysz(struct mm_struct *mm,\n+\t\t\t\t\t unsigned long address,\n \t\t\t\t\t pte_t *ptep,\n \t\t\t\t\t unsigned long pgsize)\n {\n@@ -1359,7 +1360,7 @@ static inline pte_t __ptep_get_and_clear_anysz(struct mm_struct *mm,\n static inline pte_t __ptep_get_and_clear(struct mm_struct *mm,\n \t\t\t\t unsigned long address, pte_t *ptep)\n {\n-\treturn __ptep_get_and_clear_anysz(mm, ptep, PAGE_SIZE);\n+\treturn __ptep_get_and_clear_anysz(mm, address, ptep, PAGE_SIZE);\n }\n \n static inline void __clear_full_ptes(struct mm_struct *mm, unsigned long addr,\n@@ -1398,7 +1399,7 @@ static inline pte_t __get_and_clear_full_ptes(struct mm_struct *mm,\n static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm,\n \t\t\t\t\t unsigned long address, pmd_t *pmdp)\n {\n-\treturn pte_pmd(__ptep_get_and_clear_anysz(mm, (pte_t *)pmdp, PMD_SIZE));\n+\treturn pte_pmd(__ptep_get_and_clear_anysz(mm, address, (pte_t *)pmdp, PMD_SIZE));\n }\n #endif /* CONFIG_TRANSPARENT_HUGEPAGE */\n \ndiff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c\nindex 1003b502075208d4252c27ffdacb1aaf4928639b..bcc28031eb7aa4ba175b5552f5449e69c6af5e61 100644\n--- a/arch/arm64/mm/hugetlbpage.c\n+++ b/arch/arm64/mm/hugetlbpage.c\n@@ -159,11 +159,12 @@ static pte_t get_clear_contig(struct mm_struct *mm,\n \tpte_t pte, tmp_pte;\n \tbool present;\n \n-\tpte = __ptep_get_and_clear_anysz(mm, ptep, pgsize);\n+\tpte = __ptep_get_and_clear_anysz(mm, addr, ptep, pgsize);\n \tpresent = pte_present(pte);\n \twhile (--ncontig) {\n \t\tptep++;\n-\t\ttmp_pte = __ptep_get_and_clear_anysz(mm, ptep, pgsize);\n+\t\taddr += pgsize;\n+\t\ttmp_pte = __ptep_get_and_clear_anysz(mm, addr, ptep, pgsize);\n \t\tif (present) {\n \t\t\tif (pte_dirty(tmp_pte))\n \t\t\t\tpte = pte_mkdirty(pte);\n@@ -207,7 +208,7 @@ static void clear_flush(struct mm_struct *mm,\n \tunsigned long i, saddr = addr;\n \n \tfor (i = 0; i < ncontig; i++, addr += pgsize, ptep++)\n-\t\t__ptep_get_and_clear_anysz(mm, ptep, pgsize);\n+\t\t__ptep_get_and_clear_anysz(mm, addr, ptep, pgsize);\n \n \tif (mm == &init_mm)\n \t\tflush_tlb_kernel_range(saddr, addr);\n", "prefixes": [ "v18", "02/12" ] }