From: Kevin Brodsky <kevin.brodsky@arm.com>
To: linux-mm@kvack.org
Cc: linux-kernel@vger.kernel.org,
Kevin Brodsky <kevin.brodsky@arm.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Andreas Larsson <andreas@gaisler.com>,
Andrew Morton <akpm@linux-foundation.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
"David S. Miller" <davem@davemloft.net>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Linus Walleij <linus.walleij@linaro.org>,
Madhavan Srinivasan <maddy@linux.ibm.com>,
Mark Rutland <mark.rutland@arm.com>,
Matthew Wilcox <willy@infradead.org>,
Michael Ellerman <mpe@ellerman.id.au>,
"Mike Rapoport (IBM)" <rppt@kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Peter Zijlstra <peterz@infradead.org>,
Qi Zheng <zhengqi.arch@bytedance.com>,
Ryan Roberts <ryan.roberts@arm.com>,
Will Deacon <will@kernel.org>,
Yang Shi <yang@os.amperecomputing.com>,
linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-csky@vger.kernel.org, linux-m68k@lists.linux-m68k.org,
linux-openrisc@vger.kernel.org, linux-riscv@lists.infradead.org,
linux-s390@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
sparclinux@vger.kernel.org, x86@kernel.org
Subject: [PATCH v2 04/12] m68k: mm: Call ctor/dtor for kernel PTEs
Date: Tue, 8 Apr 2025 10:52:14 +0100 [thread overview]
Message-ID: <20250408095222.860601-5-kevin.brodsky@arm.com> (raw)
In-Reply-To: <20250408095222.860601-1-kevin.brodsky@arm.com>
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.
Signed-off-by: Kevin Brodsky <kevin.brodsky@arm.com>
---
arch/m68k/include/asm/mcf_pgalloc.h | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/m68k/include/asm/mcf_pgalloc.h b/arch/m68k/include/asm/mcf_pgalloc.h
index 465a71101b7d..fc5454d37da3 100644
--- a/arch/m68k/include/asm/mcf_pgalloc.h
+++ b/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_kernel(struct mm_struct *mm)
if (!ptdesc)
return NULL;
+ if (!pagetable_pte_ctor(mm, ptdesc)) {
+ pagetable_free(ptdesc);
+ return NULL;
+ }
return ptdesc_address(ptdesc);
}
--
2.47.0
next prev parent reply other threads:[~2025-04-08 9:53 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-08 9:52 [PATCH v2 00/12] Always call constructor for kernel page tables Kevin Brodsky
2025-04-08 9:52 ` [PATCH v2 01/12] mm: Pass mm down to pagetable_{pte,pmd}_ctor Kevin Brodsky
2025-04-25 16:34 ` Alexander Gordeev
2025-04-08 9:52 ` [PATCH v2 02/12] x86: pgtable: Always use pte_free_kernel() Kevin Brodsky
2025-04-08 15:22 ` Dave Hansen
2025-04-08 16:37 ` Matthew Wilcox
2025-04-08 16:54 ` Dave Hansen
2025-04-08 17:40 ` Matthew Wilcox
2025-04-08 17:42 ` Dave Hansen
2025-04-09 14:50 ` Kevin Brodsky
2025-04-08 9:52 ` [PATCH v2 03/12] mm: Call ctor/dtor for kernel PTEs Kevin Brodsky
2025-04-25 16:35 ` Alexander Gordeev
2025-04-08 9:52 ` Kevin Brodsky [this message]
2025-04-08 9:52 ` [PATCH v2 05/12] powerpc: " Kevin Brodsky
2025-04-08 9:52 ` [PATCH v2 06/12] sparc64: " Kevin Brodsky
2025-04-08 9:52 ` [PATCH v2 07/12] mm: Skip ptlock_init() for kernel PMDs Kevin Brodsky
2025-04-08 9:52 ` [PATCH v2 08/12] arm64: mm: Use enum to identify pgtable level instead of *_SHIFT Kevin Brodsky
2025-04-08 9:52 ` [PATCH v2 09/12] arm64: mm: Always call PTE/PMD ctor in __create_pgd_mapping() Kevin Brodsky
2025-04-08 9:52 ` [PATCH v2 10/12] riscv: mm: Clarify ctor mm argument in alloc_{pte,pmd}_late Kevin Brodsky
2025-04-08 9:52 ` [PATCH v2 11/12] arm64: mm: Call PUD/P4D ctor in __create_pgd_mapping() Kevin Brodsky
2025-04-08 9:52 ` [PATCH v2 12/12] riscv: mm: Call PUD/P4D ctor in special kernel pgtable alloc Kevin Brodsky
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