From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 41876C4320A for ; Tue, 27 Jul 2021 20:52:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 230D560FBF for ; Tue, 27 Jul 2021 20:52:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231784AbhG0Uwo (ORCPT ); Tue, 27 Jul 2021 16:52:44 -0400 Received: from mail.kernel.org ([198.145.29.99]:53360 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231516AbhG0Uwo (ORCPT ); Tue, 27 Jul 2021 16:52:44 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 88AD360F6B; Tue, 27 Jul 2021 20:52:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1627419163; bh=xviVRmJ7SoVoyP4v/jYZmvziO6nhVMFwBOA33p6vzWc=; h=Date:From:To:Subject:From; b=YBg/5MvdKvfCq3yxEnCzMNVCi1QgoJdQzBMUdtTMjA8xMzrRoRIcYcZ1DGvaPTOlW MH4vEgKMyRrZYz/cQU4aydi9U/C3yoRk5OBsJVCkAR9O4HaUAF9tdBlNsq5V9T0GMM 7gjSirU4EAt8A7AsbtejSt1/5eWEAldTsqp+CUpM= Date: Tue, 27 Jul 2021 13:52:43 -0700 From: akpm@linux-foundation.org To: mm-commits@vger.kernel.org, will@kernel.org, gerald.schaefer@linux.ibm.com, chuhu@redhat.com, christophe.leroy@csgroup.eu, catalin.marinas@arm.com, cai@lca.pw, anshuman.khandual@arm.com, aneesh.kumar@linux.ibm.com, gshan@redhat.com Subject: + mm-debug_vm_pgtable-use-struct-pgtable_debug_args-in-basic-tests.patch added to -mm tree Message-ID: <20210727205243.qme-T%akpm@linux-foundation.org> User-Agent: s-nail v14.9.10 Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: mm/debug_vm_pgtable: use struct pgtable_debug_args in basic tests has been added to the -mm tree. Its filename is mm-debug_vm_pgtable-use-struct-pgtable_debug_args-in-basic-tests.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/mm-debug_vm_pgtable-use-struct-pgtable_debug_args-in-basic-tests.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/mm-debug_vm_pgtable-use-struct-pgtable_debug_args-in-basic-tests.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Gavin Shan Subject: mm/debug_vm_pgtable: use struct pgtable_debug_args in basic tests This uses struct pgtable_debug_args in the basic test functions. The unused variables @pgd_aligned and @p4d_aligned in debug_vm_pgtable() are dropped. Link: https://lkml.kernel.org/r/20210727061401.592616-3-gshan@redhat.com Signed-off-by: Gavin Shan Cc: "Aneesh Kumar K.V" Cc: Anshuman Khandual Cc: Catalin Marinas Cc: Christophe Leroy Cc: Chunyu Hu Cc: Gerald Schaefer Cc: Qian Cai Cc: Will Deacon Signed-off-by: Andrew Morton --- mm/debug_vm_pgtable.c | 50 +++++++++++++++++++--------------------- 1 file changed, 24 insertions(+), 26 deletions(-) --- a/mm/debug_vm_pgtable.c~mm-debug_vm_pgtable-use-struct-pgtable_debug_args-in-basic-tests +++ a/mm/debug_vm_pgtable.c @@ -89,10 +89,10 @@ struct pgtable_debug_args { unsigned long fixed_pte_pfn; }; -static void __init pte_basic_tests(unsigned long pfn, int idx) +static void __init pte_basic_tests(struct pgtable_debug_args *args, int idx) { pgprot_t prot = protection_map[idx]; - pte_t pte = pfn_pte(pfn, prot); + pte_t pte = pfn_pte(args->fixed_pte_pfn, prot); unsigned long val = idx, *ptr = &val; pr_debug("Validating PTE basic (%pGv)\n", ptr); @@ -174,7 +174,7 @@ static void __init pte_savedwrite_tests( } #ifdef CONFIG_TRANSPARENT_HUGEPAGE -static void __init pmd_basic_tests(unsigned long pfn, int idx) +static void __init pmd_basic_tests(struct pgtable_debug_args *args, int idx) { pgprot_t prot = protection_map[idx]; unsigned long val = idx, *ptr = &val; @@ -184,7 +184,7 @@ static void __init pmd_basic_tests(unsig return; pr_debug("Validating PMD basic (%pGv)\n", ptr); - pmd = pfn_pmd(pfn, prot); + pmd = pfn_pmd(args->fixed_pmd_pfn, prot); /* * This test needs to be executed after the given page table entry @@ -296,7 +296,7 @@ static void __init pmd_savedwrite_tests( } #ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD -static void __init pud_basic_tests(struct mm_struct *mm, unsigned long pfn, int idx) +static void __init pud_basic_tests(struct pgtable_debug_args *args, int idx) { pgprot_t prot = protection_map[idx]; unsigned long val = idx, *ptr = &val; @@ -306,7 +306,7 @@ static void __init pud_basic_tests(struc return; pr_debug("Validating PUD basic (%pGv)\n", ptr); - pud = pfn_pud(pfn, prot); + pud = pfn_pud(args->fixed_pud_pfn, prot); /* * This test needs to be executed after the given page table entry @@ -327,7 +327,7 @@ static void __init pud_basic_tests(struc WARN_ON(pud_dirty(pud_wrprotect(pud_mkclean(pud)))); WARN_ON(!pud_dirty(pud_wrprotect(pud_mkdirty(pud)))); - if (mm_pmd_folded(mm)) + if (mm_pmd_folded(args->mm)) return; /* @@ -404,7 +404,7 @@ static void __init pud_leaf_tests(unsign WARN_ON(!pud_leaf(pud)); } #else /* !CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD */ -static void __init pud_basic_tests(struct mm_struct *mm, unsigned long pfn, int idx) { } +static void __init pud_basic_tests(struct pgtable_debug_args *args, int idx) { } static void __init pud_advanced_tests(struct mm_struct *mm, struct vm_area_struct *vma, pud_t *pudp, unsigned long pfn, unsigned long vaddr, @@ -414,8 +414,8 @@ static void __init pud_advanced_tests(st static void __init pud_leaf_tests(unsigned long pfn, pgprot_t prot) { } #endif /* CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD */ #else /* !CONFIG_TRANSPARENT_HUGEPAGE */ -static void __init pmd_basic_tests(unsigned long pfn, int idx) { } -static void __init pud_basic_tests(struct mm_struct *mm, unsigned long pfn, int idx) { } +static void __init pmd_basic_tests(struct pgtable_debug_args *args, int idx) { } +static void __init pud_basic_tests(struct pgtable_debug_args *args, int idx) { } static void __init pmd_advanced_tests(struct mm_struct *mm, struct vm_area_struct *vma, pmd_t *pmdp, unsigned long pfn, unsigned long vaddr, @@ -476,7 +476,7 @@ static void __init pmd_huge_tests(pmd_t static void __init pud_huge_tests(pud_t *pudp, unsigned long pfn, pgprot_t prot) { } #endif /* CONFIG_HAVE_ARCH_HUGE_VMAP */ -static void __init p4d_basic_tests(unsigned long pfn, pgprot_t prot) +static void __init p4d_basic_tests(struct pgtable_debug_args *args) { p4d_t p4d; @@ -485,7 +485,7 @@ static void __init p4d_basic_tests(unsig WARN_ON(!p4d_same(p4d, p4d)); } -static void __init pgd_basic_tests(unsigned long pfn, pgprot_t prot) +static void __init pgd_basic_tests(struct pgtable_debug_args *args) { pgd_t pgd; @@ -890,7 +890,7 @@ static void __init swap_migration_tests( } #ifdef CONFIG_HUGETLB_PAGE -static void __init hugetlb_basic_tests(unsigned long pfn, pgprot_t prot) +static void __init hugetlb_basic_tests(struct pgtable_debug_args *args) { struct page *page; pte_t pte; @@ -900,21 +900,21 @@ static void __init hugetlb_basic_tests(u * Accessing the page associated with the pfn is safe here, * as it was previously derived from a real kernel symbol. */ - page = pfn_to_page(pfn); - pte = mk_huge_pte(page, prot); + page = pfn_to_page(args->fixed_pmd_pfn); + pte = mk_huge_pte(page, args->page_prot); WARN_ON(!huge_pte_dirty(huge_pte_mkdirty(pte))); WARN_ON(!huge_pte_write(huge_pte_mkwrite(huge_pte_wrprotect(pte)))); WARN_ON(huge_pte_write(huge_pte_wrprotect(huge_pte_mkwrite(pte)))); #ifdef CONFIG_ARCH_WANT_GENERAL_HUGETLB - pte = pfn_pte(pfn, prot); + pte = pfn_pte(args->fixed_pmd_pfn, args->page_prot); WARN_ON(!pte_huge(pte_mkhuge(pte))); #endif /* CONFIG_ARCH_WANT_GENERAL_HUGETLB */ } #else /* !CONFIG_HUGETLB_PAGE */ -static void __init hugetlb_basic_tests(unsigned long pfn, pgprot_t prot) { } +static void __init hugetlb_basic_tests(struct pgtable_debug_args *args) { } #endif /* CONFIG_HUGETLB_PAGE */ #ifdef CONFIG_TRANSPARENT_HUGEPAGE @@ -1240,7 +1240,7 @@ static int __init debug_vm_pgtable(void) pgprot_t prot, protnone; phys_addr_t paddr; unsigned long vaddr, pte_aligned, pmd_aligned; - unsigned long pud_aligned, p4d_aligned, pgd_aligned; + unsigned long pud_aligned; spinlock_t *ptl = NULL; int idx, ret; @@ -1283,8 +1283,6 @@ static int __init debug_vm_pgtable(void) pte_aligned = (paddr & PAGE_MASK) >> PAGE_SHIFT; pmd_aligned = (paddr & PMD_MASK) >> PAGE_SHIFT; pud_aligned = (paddr & PUD_MASK) >> PAGE_SHIFT; - p4d_aligned = (paddr & P4D_MASK) >> PAGE_SHIFT; - pgd_aligned = (paddr & PGDIR_MASK) >> PAGE_SHIFT; WARN_ON(!pfn_valid(pte_aligned)); pgdp = pgd_offset(mm, vaddr); @@ -1318,9 +1316,9 @@ static int __init debug_vm_pgtable(void) * given page table entry. */ for (idx = 0; idx < ARRAY_SIZE(protection_map); idx++) { - pte_basic_tests(pte_aligned, idx); - pmd_basic_tests(pmd_aligned, idx); - pud_basic_tests(mm, pud_aligned, idx); + pte_basic_tests(&args, idx); + pmd_basic_tests(&args, idx); + pud_basic_tests(&args, idx); } /* @@ -1330,8 +1328,8 @@ static int __init debug_vm_pgtable(void) * the above iteration for now to save some test execution * time. */ - p4d_basic_tests(p4d_aligned, prot); - pgd_basic_tests(pgd_aligned, prot); + p4d_basic_tests(&args); + pgd_basic_tests(&args); pmd_leaf_tests(pmd_aligned, prot); pud_leaf_tests(pud_aligned, prot); @@ -1360,7 +1358,7 @@ static int __init debug_vm_pgtable(void) pmd_thp_tests(pmd_aligned, prot); pud_thp_tests(pud_aligned, prot); - hugetlb_basic_tests(pte_aligned, prot); + hugetlb_basic_tests(&args); /* * Page table modifying tests. They need to hold _ Patches currently in -mm which might be from gshan@redhat.com are mm-debug_vm_pgtable-introduce-struct-pgtable_debug_args.patch mm-debug_vm_pgtable-use-struct-pgtable_debug_args-in-basic-tests.patch mm-debug_vm_pgtable-use-struct-pgtable_debug_args-in-leaf-and-savewrite-tests.patch mm-debug_vm_pgtable-use-struct-pgtable_debug_args-in-protnone-and-devmap-tests.patch mm-debug_vm_pgtable-use-struct-pgtable_debug_args-in-soft_dirty-and-swap-tests.patch mm-debug_vm_pgtable-use-struct-pgtable_debug_args-in-migration-and-thp-tests.patch mm-debug_vm_pgtable-use-struct-pgtable_debug_args-in-pte-modifying-tests.patch mm-debug_vm_pgtable-use-struct-pgtable_debug_args-in-pmd-modifying-tests.patch mm-debug_vm_pgtable-use-struct-pgtable_debug_args-in-pud-modifying-tests.patch mm-debug_vm_pgtable-use-struct-pgtable_debug_args-in-pgd-and-p4d-modifying-tests.patch mm-debug_vm_pgtable-remove-unused-code.patch mm-debug_vm_pgtable-fix-corrupted-page-flag.patch