From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 855172F3C0D for ; Wed, 13 Aug 2025 23:06:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755126363; cv=none; b=pvjsMwSNLiTNPRaor5qoBZ9k/PRC+z6+16T6NNPtPhy9rmsnDZr/toOZkCUEBCWT0+438pnHsCgUbnY7NxQkvD2304mXKmSTnhv+Do/e4U6vQbBgbWFfgmLmjbdQfoXMpP/fgD2i0hlTCFiDtcPZHa03uBCISOpNJ4kNP6BBU5I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755126363; c=relaxed/simple; bh=BCrTc6UrARprO04iV4jZD0F4MHENZ3kzbbKmlVg1a0I=; h=Date:To:From:Subject:Message-Id; b=AefnQUBhzIBk6UFg4xaiPIPWF3hR3BkeviYjA4WApP/d+bmPes9iXfQLAOHP4qg3uYhI/Jygybb52mkiBVdE9In5wUFNo29EmJUK0hCO9kYmoLNzpJnNRHWXCFrEHnbhiO6i8vtiCIQKP6lRUKR/pZA3ZYAuAfjowLi3iSvp2P8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=jp0puAmY; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="jp0puAmY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 52370C4CEEB; Wed, 13 Aug 2025 23:06:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1755126363; bh=BCrTc6UrARprO04iV4jZD0F4MHENZ3kzbbKmlVg1a0I=; h=Date:To:From:Subject:From; b=jp0puAmYQbxVKXpSF8UD9K5QfrZs2886a1Z82JCcCERIeDTlL/2l5CYmlk0ToSKwv K015X3gBCtkDZHaRlOhlz4bg/C5GBRD0I2tCjoDpLK+2AFH/TQh4b94Ms9S8fXcfEz m+umbdVUoBmufQ7H5cdadMX+8CA1j4vka5FvaHZM= Date: Wed, 13 Aug 2025 16:06:02 -0700 To: mm-commits@vger.kernel.org,will@kernel.org,sweettea-kernel@dorminy.me,pasha.tatashin@soleen.com,nicholas@linux.ibm.com,mingo@kernel.org,maddy@linux.ibm.com,christophe.leroy@csgroup.eu,catalin.marinas@arm.com,ajd@linux.ibm.com,rmclure@linux.ibm.com,akpm@linux-foundation.org From: Andrew Morton Subject: + mm-page_table_check-provide-addr-parameter-to-page_table_check_ptes_set.patch added to mm-new branch Message-Id: <20250813230603.52370C4CEEB@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: mm/page_table_check: provide addr parameter to page_table_check_ptes_set() has been added to the -mm mm-new branch. Its filename is mm-page_table_check-provide-addr-parameter-to-page_table_check_ptes_set.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-page_table_check-provide-addr-parameter-to-page_table_check_ptes_set.patch This patch will later appear in the mm-new branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Note, mm-new is a provisional staging ground for work-in-progress patches, and acceptance into mm-new is a notification for others take notice and to finish up reviews. Please do not hesitate to respond to review feedback and post updated versions to replace or incrementally fixup patches in mm-new. 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: Rohan McLure Subject: mm/page_table_check: provide addr parameter to page_table_check_ptes_set() Date: Wed, 13 Aug 2025 16:26:06 +1000 To provide support for powerpc platforms, provide an addr parameter to the __page_table_check_ptes_set() and page_table_check_ptes_set() routines. This parameter is needed on some powerpc platforms which do not encode whether a mapping is for user or kernel in the pte. On such platforms, this can be inferred from the addr parameter. [ajd@linux.ibm.com: rebase on arm64 + riscv changes, update commit message] Link: https://lkml.kernel.org/r/20250813062614.51759-6-ajd@linux.ibm.com Signed-off-by: Rohan McLure Signed-off-by: Andrew Donnellan Reviewed-by: Pasha Tatashin Cc: Christophe Leroy Cc: Ingo Molnar Cc: Madhavan Srinivasan Cc: Nicholas Miehlbradt Cc: Sweet Tea Dorminy Cc: Catalin Marinas Cc: Will Deacon Signed-off-by: Andrew Morton --- arch/arm64/include/asm/pgtable.h | 2 +- arch/riscv/include/asm/pgtable.h | 2 +- include/linux/page_table_check.h | 12 +++++++----- include/linux/pgtable.h | 2 +- mm/page_table_check.c | 4 ++-- 5 files changed, 12 insertions(+), 10 deletions(-) --- a/arch/arm64/include/asm/pgtable.h~mm-page_table_check-provide-addr-parameter-to-page_table_check_ptes_set +++ a/arch/arm64/include/asm/pgtable.h @@ -706,7 +706,7 @@ static inline void __set_ptes_anysz(stru switch (pgsize) { case PAGE_SIZE: - page_table_check_ptes_set(mm, ptep, pte, nr); + page_table_check_ptes_set(mm, addr, ptep, pte, nr); break; case PMD_SIZE: page_table_check_pmds_set(mm, addr, (pmd_t *)ptep, --- a/arch/riscv/include/asm/pgtable.h~mm-page_table_check-provide-addr-parameter-to-page_table_check_ptes_set +++ a/arch/riscv/include/asm/pgtable.h @@ -560,7 +560,7 @@ static inline void __set_pte_at(struct m static inline void set_ptes(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pteval, unsigned int nr) { - page_table_check_ptes_set(mm, ptep, pteval, nr); + page_table_check_ptes_set(mm, addr, ptep, pteval, nr); for (;;) { __set_pte_at(mm, ptep, pteval); --- a/include/linux/page_table_check.h~mm-page_table_check-provide-addr-parameter-to-page_table_check_ptes_set +++ a/include/linux/page_table_check.h @@ -17,8 +17,8 @@ void __page_table_check_zero(struct page void __page_table_check_pte_clear(struct mm_struct *mm, pte_t pte); void __page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd); void __page_table_check_pud_clear(struct mm_struct *mm, pud_t pud); -void __page_table_check_ptes_set(struct mm_struct *mm, pte_t *ptep, pte_t pte, - unsigned int nr); +void __page_table_check_ptes_set(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, pte_t pte, unsigned int nr); void __page_table_check_pmds_set(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, pmd_t pmd, unsigned int nr); void __page_table_check_puds_set(struct mm_struct *mm, unsigned long addr, @@ -68,12 +68,13 @@ static inline void page_table_check_pud_ } static inline void page_table_check_ptes_set(struct mm_struct *mm, - pte_t *ptep, pte_t pte, unsigned int nr) + unsigned long addr, pte_t *ptep, + pte_t pte, unsigned int nr) { if (static_branch_likely(&page_table_check_disabled)) return; - __page_table_check_ptes_set(mm, ptep, pte, nr); + __page_table_check_ptes_set(mm, addr, ptep, pte, nr); } static inline void page_table_check_pmds_set(struct mm_struct *mm, @@ -127,7 +128,8 @@ static inline void page_table_check_pud_ } static inline void page_table_check_ptes_set(struct mm_struct *mm, - pte_t *ptep, pte_t pte, unsigned int nr) + unsigned long addr, pte_t *ptep, + pte_t pte, unsigned int nr) { } --- a/include/linux/pgtable.h~mm-page_table_check-provide-addr-parameter-to-page_table_check_ptes_set +++ a/include/linux/pgtable.h @@ -289,7 +289,7 @@ static inline pte_t pte_advance_pfn(pte_ static inline void set_ptes(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte, unsigned int nr) { - page_table_check_ptes_set(mm, ptep, pte, nr); + page_table_check_ptes_set(mm, addr, ptep, pte, nr); for (;;) { set_pte(ptep, pte); --- a/mm/page_table_check.c~mm-page_table_check-provide-addr-parameter-to-page_table_check_ptes_set +++ a/mm/page_table_check.c @@ -193,8 +193,8 @@ static inline void page_table_check_pte_ WARN_ON_ONCE(swap_cached_writable(pte_to_swp_entry(pte))); } -void __page_table_check_ptes_set(struct mm_struct *mm, pte_t *ptep, pte_t pte, - unsigned int nr) +void __page_table_check_ptes_set(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, pte_t pte, unsigned int nr) { unsigned int i; _ Patches currently in -mm which might be from rmclure@linux.ibm.com are mm-page_table_check-reinstate-address-parameter-in-page_table_check_pud_set.patch mm-page_table_check-reinstate-address-parameter-in-page_table_check_pmd_set.patch mm-page_table_check-provide-addr-parameter-to-page_table_check_ptes_set.patch mm-page_table_check-reinstate-address-parameter-in-page_table_check_pud_clear.patch mm-page_table_check-reinstate-address-parameter-in-page_table_check_pmd_clear.patch mm-page_table_check-reinstate-address-parameter-in-page_table_check_pte_clear.patch mm-provide-address-parameter-to-ptemdud_user_accessible_page.patch powerpc-mm-add-pud_pfn-stub.patch powerpc-mm-implement-_user_accessible_page-for-ptes.patch powerpc-mm-use-set_pte_at_unchecked-for-internal-usages.patch powerpc-mm-support-page-table-check.patch