diff options
| -rw-r--r-- | mm/debug_vm_pgtable.c | 50 |
1 files changed, 25 insertions, 25 deletions
diff --git a/mm/debug_vm_pgtable.c b/mm/debug_vm_pgtable.c index e4969fb54da3..bc748f700a9e 100644 --- a/mm/debug_vm_pgtable.c +++ b/mm/debug_vm_pgtable.c @@ -231,10 +231,10 @@ static void __init pmd_advanced_tests(struct pgtable_debug_args *args) set_pmd_at(args->mm, vaddr, args->pmdp, pmd); flush_dcache_page(page); pmdp_set_wrprotect(args->mm, vaddr, args->pmdp); - pmd = READ_ONCE(*args->pmdp); + pmd = pmdp_get(args->pmdp); WARN_ON(pmd_write(pmd)); pmdp_huge_get_and_clear(args->mm, vaddr, args->pmdp); - pmd = READ_ONCE(*args->pmdp); + pmd = pmdp_get(args->pmdp); WARN_ON(!pmd_none(pmd)); pmd = pfn_pmd(args->pmd_pfn, args->page_prot); @@ -245,10 +245,10 @@ static void __init pmd_advanced_tests(struct pgtable_debug_args *args) pmd = pmd_mkwrite(pmd, args->vma); pmd = pmd_mkdirty(pmd); pmdp_set_access_flags(args->vma, vaddr, args->pmdp, pmd, 1); - pmd = READ_ONCE(*args->pmdp); + pmd = pmdp_get(args->pmdp); WARN_ON(!(pmd_write(pmd) && pmd_dirty(pmd))); pmdp_huge_get_and_clear_full(args->vma, vaddr, args->pmdp, 1); - pmd = READ_ONCE(*args->pmdp); + pmd = pmdp_get(args->pmdp); WARN_ON(!pmd_none(pmd)); pmd = pmd_mkhuge(pfn_pmd(args->pmd_pfn, args->page_prot)); @@ -256,7 +256,7 @@ static void __init pmd_advanced_tests(struct pgtable_debug_args *args) set_pmd_at(args->mm, vaddr, args->pmdp, pmd); flush_dcache_page(page); pmdp_test_and_clear_young(args->vma, vaddr, args->pmdp); - pmd = READ_ONCE(*args->pmdp); + pmd = pmdp_get(args->pmdp); WARN_ON(pmd_young(pmd)); /* Clear the pte entries */ @@ -357,12 +357,12 @@ static void __init pud_advanced_tests(struct pgtable_debug_args *args) set_pud_at(args->mm, vaddr, args->pudp, pud); flush_dcache_page(page); pudp_set_wrprotect(args->mm, vaddr, args->pudp); - pud = READ_ONCE(*args->pudp); + pud = pudp_get(args->pudp); WARN_ON(pud_write(pud)); #ifndef __PAGETABLE_PMD_FOLDED pudp_huge_get_and_clear(args->mm, vaddr, args->pudp); - pud = READ_ONCE(*args->pudp); + pud = pudp_get(args->pudp); WARN_ON(!pud_none(pud)); #endif /* __PAGETABLE_PMD_FOLDED */ pud = pfn_pud(args->pud_pfn, args->page_prot); @@ -374,12 +374,12 @@ static void __init pud_advanced_tests(struct pgtable_debug_args *args) pud = pud_mkwrite(pud); pud = pud_mkdirty(pud); pudp_set_access_flags(args->vma, vaddr, args->pudp, pud, 1); - pud = READ_ONCE(*args->pudp); + pud = pudp_get(args->pudp); WARN_ON(!(pud_write(pud) && pud_dirty(pud))); #ifndef __PAGETABLE_PMD_FOLDED pudp_huge_get_and_clear_full(args->vma, vaddr, args->pudp, 1); - pud = READ_ONCE(*args->pudp); + pud = pudp_get(args->pudp); WARN_ON(!pud_none(pud)); #endif /* __PAGETABLE_PMD_FOLDED */ @@ -389,7 +389,7 @@ static void __init pud_advanced_tests(struct pgtable_debug_args *args) set_pud_at(args->mm, vaddr, args->pudp, pud); flush_dcache_page(page); pudp_test_and_clear_young(args->vma, vaddr, args->pudp); - pud = READ_ONCE(*args->pudp); + pud = pudp_get(args->pudp); WARN_ON(pud_young(pud)); pudp_huge_get_and_clear(args->mm, vaddr, args->pudp); @@ -441,7 +441,7 @@ static void __init pmd_huge_tests(struct pgtable_debug_args *args) WRITE_ONCE(*args->pmdp, __pmd(0)); WARN_ON(!pmd_set_huge(args->pmdp, __pfn_to_phys(args->fixed_pmd_pfn), args->page_prot)); WARN_ON(!pmd_clear_huge(args->pmdp)); - pmd = READ_ONCE(*args->pmdp); + pmd = pmdp_get(args->pmdp); WARN_ON(!pmd_none(pmd)); } @@ -461,7 +461,7 @@ static void __init pud_huge_tests(struct pgtable_debug_args *args) WRITE_ONCE(*args->pudp, __pud(0)); WARN_ON(!pud_set_huge(args->pudp, __pfn_to_phys(args->fixed_pud_pfn), args->page_prot)); WARN_ON(!pud_clear_huge(args->pudp)); - pud = READ_ONCE(*args->pudp); + pud = pudp_get(args->pudp); WARN_ON(!pud_none(pud)); } #else /* !CONFIG_HAVE_ARCH_HUGE_VMAP */ @@ -490,7 +490,7 @@ static void __init pgd_basic_tests(struct pgtable_debug_args *args) #ifndef __PAGETABLE_PUD_FOLDED static void __init pud_clear_tests(struct pgtable_debug_args *args) { - pud_t pud = READ_ONCE(*args->pudp); + pud_t pud = pudp_get(args->pudp); if (mm_pmd_folded(args->mm)) return; @@ -498,7 +498,7 @@ static void __init pud_clear_tests(struct pgtable_debug_args *args) pr_debug("Validating PUD clear\n"); WARN_ON(pud_none(pud)); pud_clear(args->pudp); - pud = READ_ONCE(*args->pudp); + pud = pudp_get(args->pudp); WARN_ON(!pud_none(pud)); } @@ -515,7 +515,7 @@ static void __init pud_populate_tests(struct pgtable_debug_args *args) * Hence this must not qualify as pud_bad(). */ pud_populate(args->mm, args->pudp, args->start_pmdp); - pud = READ_ONCE(*args->pudp); + pud = pudp_get(args->pudp); WARN_ON(pud_bad(pud)); } #else /* !__PAGETABLE_PUD_FOLDED */ @@ -526,7 +526,7 @@ static void __init pud_populate_tests(struct pgtable_debug_args *args) { } #ifndef __PAGETABLE_P4D_FOLDED static void __init p4d_clear_tests(struct pgtable_debug_args *args) { - p4d_t p4d = READ_ONCE(*args->p4dp); + p4d_t p4d = p4dp_get(args->p4dp); if (mm_pud_folded(args->mm)) return; @@ -534,7 +534,7 @@ static void __init p4d_clear_tests(struct pgtable_debug_args *args) pr_debug("Validating P4D clear\n"); WARN_ON(p4d_none(p4d)); p4d_clear(args->p4dp); - p4d = READ_ONCE(*args->p4dp); + p4d = p4dp_get(args->p4dp); WARN_ON(!p4d_none(p4d)); } @@ -553,13 +553,13 @@ static void __init p4d_populate_tests(struct pgtable_debug_args *args) pud_clear(args->pudp); p4d_clear(args->p4dp); p4d_populate(args->mm, args->p4dp, args->start_pudp); - p4d = READ_ONCE(*args->p4dp); + p4d = p4dp_get(args->p4dp); WARN_ON(p4d_bad(p4d)); } static void __init pgd_clear_tests(struct pgtable_debug_args *args) { - pgd_t pgd = READ_ONCE(*(args->pgdp)); + pgd_t pgd = pgdp_get(args->pgdp); if (mm_p4d_folded(args->mm)) return; @@ -567,7 +567,7 @@ static void __init pgd_clear_tests(struct pgtable_debug_args *args) pr_debug("Validating PGD clear\n"); WARN_ON(pgd_none(pgd)); pgd_clear(args->pgdp); - pgd = READ_ONCE(*args->pgdp); + pgd = pgdp_get(args->pgdp); WARN_ON(!pgd_none(pgd)); } @@ -586,7 +586,7 @@ static void __init pgd_populate_tests(struct pgtable_debug_args *args) p4d_clear(args->p4dp); pgd_clear(args->pgdp); pgd_populate(args->mm, args->pgdp, args->start_p4dp); - pgd = READ_ONCE(*args->pgdp); + pgd = pgdp_get(args->pgdp); WARN_ON(pgd_bad(pgd)); } #else /* !__PAGETABLE_P4D_FOLDED */ @@ -627,12 +627,12 @@ static void __init pte_clear_tests(struct pgtable_debug_args *args) static void __init pmd_clear_tests(struct pgtable_debug_args *args) { - pmd_t pmd = READ_ONCE(*args->pmdp); + pmd_t pmd = pmdp_get(args->pmdp); pr_debug("Validating PMD clear\n"); WARN_ON(pmd_none(pmd)); pmd_clear(args->pmdp); - pmd = READ_ONCE(*args->pmdp); + pmd = pmdp_get(args->pmdp); WARN_ON(!pmd_none(pmd)); } @@ -646,7 +646,7 @@ static void __init pmd_populate_tests(struct pgtable_debug_args *args) * Hence this must not qualify as pmd_bad(). */ pmd_populate(args->mm, args->pmdp, args->start_ptep); - pmd = READ_ONCE(*args->pmdp); + pmd = pmdp_get(args->pmdp); WARN_ON(pmd_bad(pmd)); } @@ -1251,7 +1251,7 @@ static int __init init_args(struct pgtable_debug_args *args) ret = -ENOMEM; goto error; } - args->start_ptep = pmd_pgtable(READ_ONCE(*args->pmdp)); + args->start_ptep = pmd_pgtable(pmdp_get(args->pmdp)); WARN_ON(!args->start_ptep); init_fixed_pfns(args); 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