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 7E28629A2 for ; Wed, 9 Apr 2025 01:07:32 +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=1744160853; cv=none; b=RCCLphnT9JhoIztTkVDO93jJP2wvnKThb2iuCaaVXbXOcSOx4TNTWjwmQauNMfXI/nduDfikasPeKcbN8O48XvD/a+y5Fpvqd/exO2WnihTM8ccyjk+OAd9uNNekuPNtlMLpJTDk56UzlXV7CzzNZz8q7w0BkCbyJwcq2ftthwI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744160853; c=relaxed/simple; bh=MPPeD5oGVvjIA73BatcT4P3ZnwNZSsMEC8NV4VGokQw=; h=Date:To:From:Subject:Message-Id; b=Y757pB1Lw2LJ6MJkz1/niyxToS3Py5zCLUtoY33AJ7d7YB3JOye3ClzKReBY0whkt4t3xu1aZd3+ffUhZxZS5jGq+jvwojhQvnMMqIpl/E/a9P/4WnpPQecuH18AOc29eLNJJ1FpPq6+8XhhhZ/WAaSsMuoXTJ8G6lprjMTbZjE= 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=CT4kOpKk; 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="CT4kOpKk" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D4706C4CEE5; Wed, 9 Apr 2025 01:07:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1744160851; bh=MPPeD5oGVvjIA73BatcT4P3ZnwNZSsMEC8NV4VGokQw=; h=Date:To:From:Subject:From; b=CT4kOpKkC+uEoM4mBYnAPPfoDxnqq14L4/G0wDwUFNZ7By6ax6oIqI8J+zDF/IwsM Hju7OQ9UH5IaCTxvwj+KOLBaAnyHDNT36VQg2lpApxJ7sfd1PJAngwjQch3vHUXU/h jT/XeZOyldlVHvtb6ocpp5zlkPKOQI8hidN37ypc= Date: Tue, 08 Apr 2025 18:07:31 -0700 To: mm-commits@vger.kernel.org,zhengqi.arch@bytedance.com,yang@os.amperecomputing.com,x86@kernel.org,willy@infradead.org,will@kernel.org,ryan.roberts@arm.com,rppt@kernel.org,peterz@infradead.org,paul.walmsley@sifive.com,palmer@dabbelt.com,mpe@ellerman.id.au,mark.rutland@arm.com,maddy@linux.ibm.com,linus.walleij@linaro.org,geert@linux-m68k.org,davem@davemloft.net,dave.hansen@linux.intel.com,catalin.marinas@arm.com,aou@eecs.berkeley.edu,andreas@gaisler.com,kevin.brodsky@arm.com,akpm@linux-foundation.org From: Andrew Morton Subject: + m68k-mm-call-ctor-dtor-for-kernel-ptes.patch added to mm-new branch Message-Id: <20250409010731.D4706C4CEE5@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The patch titled Subject: m68k: mm: call ctor/dtor for kernel PTEs has been added to the -mm mm-new branch. Its filename is m68k-mm-call-ctor-dtor-for-kernel-ptes.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/m68k-mm-call-ctor-dtor-for-kernel-ptes.patch This patch will later appear in the mm-new 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: Kevin Brodsky Subject: m68k: mm: call ctor/dtor for kernel PTEs Date: Tue, 8 Apr 2025 10:52:14 +0100 The generic implementation of pte_{alloc_one,free}_kernel now calls the [cd]tor. Align the m68k/ColdFire implementation of those functions by calling the [cd]tor explicitly. Link: https://lkml.kernel.org/r/20250408095222.860601-5-kevin.brodsky@arm.com Signed-off-by: Kevin Brodsky Cc: Albert Ou Cc: Andreas Larsson Cc: Catalin Marinas Cc: David S. Miller Cc: Geert Uytterhoeven Cc: Linus Waleij Cc: Madhavan Srinivasan Cc: Mark Rutland Cc: Matthew Wilcow (Oracle) Cc: Michael Ellerman Cc: Mike Rapoport Cc: Palmer Dabbelt Cc: Paul Walmsley Cc: Peter Zijlstra Cc: Qi Zheng Cc: Ryan Roberts Cc: Will Deacon Cc: Cc: Yang Shi Cc: Dave Hansen Signed-off-by: Andrew Morton --- arch/m68k/include/asm/mcf_pgalloc.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) --- a/arch/m68k/include/asm/mcf_pgalloc.h~m68k-mm-call-ctor-dtor-for-kernel-ptes +++ a/arch/m68k/include/asm/mcf_pgalloc.h @@ -7,7 +7,7 @@ static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) { - pagetable_free(virt_to_ptdesc(pte)); + pagetable_dtor_free(virt_to_ptdesc(pte)); } extern const char bad_pmd_string[]; @@ -19,6 +19,10 @@ static inline pte_t *pte_alloc_one_kerne if (!ptdesc) return NULL; + if (!pagetable_pte_ctor(mm, ptdesc)) { + pagetable_free(ptdesc); + return NULL; + } return ptdesc_address(ptdesc); } _ Patches currently in -mm which might be from kevin.brodsky@arm.com are mm-pass-mm-down-to-pagetable_ptepmd_ctor.patch x86-pgtable-always-use-pte_free_kernel.patch mm-call-ctor-dtor-for-kernel-ptes.patch m68k-mm-call-ctor-dtor-for-kernel-ptes.patch powerpc-mm-call-ctor-dtor-for-kernel-ptes.patch sparc64-mm-call-ctor-dtor-for-kernel-ptes.patch mm-skip-ptlock_init-for-kernel-pmds.patch arm64-mm-use-enum-to-identify-pgtable-level-instead-of-_shift.patch arm64-mm-always-call-pte-pmd-ctor-in-__create_pgd_mapping.patch riscv-mm-clarify-ctor-mm-argument-in-alloc_ptepmd_late.patch arm64-mm-call-pud-p4d-ctor-in-__create_pgd_mapping.patch riscv-mm-call-pud-p4d-ctor-in-special-kernel-pgtable-alloc.patch