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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CCED8C04FE2 for ; Wed, 2 Aug 2023 18:53:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232537AbjHBSxR (ORCPT ); Wed, 2 Aug 2023 14:53:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51266 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230147AbjHBSxI (ORCPT ); Wed, 2 Aug 2023 14:53:08 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6137DB0 for ; Wed, 2 Aug 2023 11:53:07 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id F372D61AB0 for ; Wed, 2 Aug 2023 18:53:06 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5118AC433C8; Wed, 2 Aug 2023 18:53:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1691002386; bh=R495QRERu9oIt2FWMbi3FS4tPu/eJplF32N+1YTtOTQ=; h=Date:To:From:Subject:From; b=Zetzaey8qPXKJm5eJOIql4wc9lTf8fQ1lgJSA6uuuyy2+57sop/6zl9PSyyaloxx0 2YMyBAyq7US/EopDyXhCYJZp8PxqPR9LLgXmkrxo4Uab63PPZp3hJYr/R1v/yP9w2z 5F17hCKufR5xVCUbP4bWEEwSJ7Nt+xcG49uAZXhQ= Date: Wed, 02 Aug 2023 11:53:05 -0700 To: mm-commits@vger.kernel.org, tglx@linutronix.de, rppt@kernel.org, mingo@redhat.com, hpa@zytor.com, dave.hansen@linux.intel.com, bp@alien8.de, willy@infradead.org, akpm@linux-foundation.org From: Andrew Morton Subject: + x86-implement-the-new-page-table-range-api.patch added to mm-unstable branch Message-Id: <20230802185306.5118AC433C8@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: x86: implement the new page table range API has been added to the -mm mm-unstable branch. Its filename is x86-implement-the-new-page-table-range-api.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/x86-implement-the-new-page-table-range-api.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm 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 via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: "Matthew Wilcox (Oracle)" Subject: x86: implement the new page table range API Date: Wed, 2 Aug 2023 16:13:56 +0100 Add PFN_PTE_SHIFT and a noop update_mmu_cache_range(). Link: https://lkml.kernel.org/r/20230802151406.3735276-29-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) Acked-by: Mike Rapoport (IBM) Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Borislav Petkov Cc: Dave Hansen Cc: "H. Peter Anvin" Signed-off-by: Andrew Morton --- arch/x86/include/asm/pgtable.h | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) --- a/arch/x86/include/asm/pgtable.h~x86-implement-the-new-page-table-range-api +++ a/arch/x86/include/asm/pgtable.h @@ -185,6 +185,8 @@ static inline int pte_special(pte_t pte) static inline u64 protnone_mask(u64 val); +#define PFN_PTE_SHIFT PAGE_SHIFT + static inline unsigned long pte_pfn(pte_t pte) { phys_addr_t pfn = pte_val(pte); @@ -1020,13 +1022,6 @@ static inline pud_t native_local_pudp_ge return res; } -static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, - pte_t *ptep, pte_t pte) -{ - page_table_check_ptes_set(mm, ptep, pte, 1); - set_pte(ptep, pte); -} - static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, pmd_t pmd) { @@ -1292,6 +1287,11 @@ static inline void update_mmu_cache(stru unsigned long addr, pte_t *ptep) { } +static inline void update_mmu_cache_range(struct vm_fault *vmf, + struct vm_area_struct *vma, unsigned long addr, + pte_t *ptep, unsigned int nr) +{ +} static inline void update_mmu_cache_pmd(struct vm_area_struct *vma, unsigned long addr, pmd_t *pmd) { _ Patches currently in -mm which might be from willy@infradead.org are mm-drop-per-vma-lock-when-returning-vm_fault_retry-or-vm_fault_completed-fix.patch rmap-pass-the-folio-to-__page_check_anon_rmap.patch highmem-add-memcpy_to_folio-and-memcpy_from_folio.patch affs-convert-affs_symlink_read_folio-to-use-the-folio.patch affs-convert-data-read-and-write-to-use-folios.patch migrate-use-folio_set_bh-instead-of-set_bh_page.patch ntfs3-convert-ntfs_get_block_vbo-to-use-a-folio.patch jbd2-use-a-folio-in-jbd2_journal_write_metadata_buffer.patch buffer-remove-set_bh_page.patch zswap-make-zswap_store-take-a-folio.patch memcg-convert-get_obj_cgroup_from_page-to-get_obj_cgroup_from_folio.patch swap-remove-some-calls-to-compound_head-in-swap_readpage.patch zswap-make-zswap_load-take-a-folio.patch mm-remove-config_per_vma_lock-ifdefs.patch mm-allow-per-vma-locks-on-file-backed-vmas.patch mm-move-fault_flag_vma_lock-check-from-handle_mm_fault.patch mm-handle-pud-faults-under-the-vma-lock.patch mm-handle-some-pmd-faults-under-the-vma-lock.patch mm-move-fault_flag_vma_lock-check-down-in-handle_pte_fault.patch mm-move-fault_flag_vma_lock-check-down-from-do_fault.patch mm-run-the-fault-around-code-under-the-vma-lock.patch mm-handle-swap-and-numa-pte-faults-under-the-vma-lock.patch mm-handle-faults-that-merely-update-the-accessed-bit-under-the-vma-lock.patch mm-handle-faults-that-merely-update-the-accessed-bit-under-the-vma-lock-fix.patch mm-improve-the-comment-in-isolate_migratepages_block.patch minmax-add-in_range-macro.patch mm-convert-page_table_check_pte_set-to-page_table_check_ptes_set.patch mm-add-generic-flush_icache_pages-and-documentation.patch mm-add-folio_flush_mapping.patch mm-remove-arch_implements_flush_dcache_folio.patch mm-add-default-definition-of-set_ptes.patch alpha-implement-the-new-page-table-range-api.patch arc-implement-the-new-page-table-range-api.patch arm-implement-the-new-page-table-range-api.patch arm64-implement-the-new-page-table-range-api.patch csky-implement-the-new-page-table-range-api.patch hexagon-implement-the-new-page-table-range-api.patch ia64-implement-the-new-page-table-range-api.patch loongarch-implement-the-new-page-table-range-api.patch m68k-implement-the-new-page-table-range-api.patch microblaze-implement-the-new-page-table-range-api.patch mips-implement-the-new-page-table-range-api.patch nios2-implement-the-new-page-table-range-api.patch openrisc-implement-the-new-page-table-range-api.patch parisc-implement-the-new-page-table-range-api.patch powerpc-implement-the-new-page-table-range-api.patch riscv-implement-the-new-page-table-range-api.patch s390-implement-the-new-page-table-range-api.patch sh-implement-the-new-page-table-range-api.patch sparc32-implement-the-new-page-table-range-api.patch sparc64-implement-the-new-page-table-range-api.patch um-implement-the-new-page-table-range-api.patch x86-implement-the-new-page-table-range-api.patch xtensa-implement-the-new-page-table-range-api.patch mm-remove-page_mapping_file.patch mm-rationalise-flush_icache_pages-and-flush_icache_page.patch mm-tidy-up-set_ptes-definition.patch mm-use-flush_icache_pages-in-do_set_pmd.patch mm-call-update_mmu_cache_range-in-more-page-fault-handling-paths.patch