diff --git a/include/linux/mmu_notifier.h b/include/linux/mmu_notifier.h index 8c72bf651606d32bf0876dbd0a56977f542e939a..d39ebb10caeb68453af7595a741bd5fe2c390b40 100644 --- a/include/linux/mmu_notifier.h +++ b/include/linux/mmu_notifier.h @@ -657,6 +657,4 @@ static inline void mmu_notifier_synchronize(void) #endif /* CONFIG_MMU_NOTIFIER */ -#define set_pte_at_notify set_pte_at - #endif /* _LINUX_MMU_NOTIFIER_H */ diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c index e4834d23e1d1a209dd6f7ff34c7c9e30a56334fe..1215bc299390bbdcb0bfe56a097fff64ebe00a1d 100644 --- a/kernel/events/uprobes.c +++ b/kernel/events/uprobes.c @@ -18,7 +18,7 @@ #include <linux/sched/coredump.h> #include <linux/export.h> #include <linux/rmap.h> /* anon_vma_prepare */ -#include <linux/mmu_notifier.h> /* set_pte_at_notify */ +#include <linux/mmu_notifier.h> #include <linux/swap.h> /* folio_free_swap */ #include <linux/ptrace.h> /* user_enable_single_step */ #include <linux/kdebug.h> /* notifier mechanism */ @@ -195,8 +195,8 @@ static int __replace_page(struct vm_area_struct *vma, unsigned long addr, flush_cache_page(vma, addr, pte_pfn(ptep_get(pvmw.pte))); ptep_clear_flush(vma, addr, pvmw.pte); if (new_page) - set_pte_at_notify(mm, addr, pvmw.pte, - mk_pte(new_page, vma->vm_page_prot)); + set_pte_at(mm, addr, pvmw.pte, + mk_pte(new_page, vma->vm_page_prot)); folio_remove_rmap_pte(old_folio, old_page, vma); if (!folio_mapped(old_folio)) diff --git a/mm/ksm.c b/mm/ksm.c index 8c001819cf10f5ca18eaaf1f18baae40fe0e7c5e..108a4d167824dbed44dd6ca941a1185728eb8441 100644 --- a/mm/ksm.c +++ b/mm/ksm.c @@ -1345,7 +1345,7 @@ static int write_protect_page(struct vm_area_struct *vma, struct page *page, if (pte_write(entry)) entry = pte_wrprotect(entry); - set_pte_at_notify(mm, pvmw.address, pvmw.pte, entry); + set_pte_at(mm, pvmw.address, pvmw.pte, entry); } *orig_pte = entry; err = 0; @@ -1447,7 +1447,7 @@ static int replace_page(struct vm_area_struct *vma, struct page *page, * See Documentation/mm/mmu_notifier.rst */ ptep_clear_flush(vma, addr, ptep); - set_pte_at_notify(mm, addr, ptep, newpte); + set_pte_at(mm, addr, ptep, newpte); folio = page_folio(page); folio_remove_rmap_pte(folio, page, vma); diff --git a/mm/memory.c b/mm/memory.c index f2bc6dd15eb830b9c8a0b6602746e2947a6997e6..9a6f4d8aa379fd0cc4bebadcf8dff8b650abe542 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3327,13 +3327,8 @@ static vm_fault_t wp_page_copy(struct vm_fault *vmf) ptep_clear_flush(vma, vmf->address, vmf->pte); folio_add_new_anon_rmap(new_folio, vma, vmf->address); folio_add_lru_vma(new_folio, vma); - /* - * We call the notify macro here because, when using secondary - * mmu page tables (such as kvm shadow page tables), we want the - * new page to be mapped directly into the secondary page table. - */ BUG_ON(unshare && pte_write(entry)); - set_pte_at_notify(mm, vmf->address, vmf->pte, entry); + set_pte_at(mm, vmf->address, vmf->pte, entry); update_mmu_cache_range(vmf, vma, vmf->address, vmf->pte, 1); if (old_folio) { /* diff --git a/mm/migrate_device.c b/mm/migrate_device.c index b6c27c76e1a0b2768de8f4196144bd8e43197df6..66206734b1b9c9238a6c86238e591d1efc1f8661 100644 --- a/mm/migrate_device.c +++ b/mm/migrate_device.c @@ -664,13 +664,9 @@ static void migrate_vma_insert_page(struct migrate_vma *migrate, if (flush) { flush_cache_page(vma, addr, pte_pfn(orig_pte)); ptep_clear_flush(vma, addr, ptep); - set_pte_at_notify(mm, addr, ptep, entry); - update_mmu_cache(vma, addr, ptep); - } else { - /* No need to invalidate - it was non-present before */ - set_pte_at(mm, addr, ptep, entry); - update_mmu_cache(vma, addr, ptep); } + set_pte_at(mm, addr, ptep, entry); + update_mmu_cache(vma, addr, ptep); pte_unmap_unlock(ptep, ptl); *src = MIGRATE_PFN_MIGRATE;