linux-mm.kvack.org archive mirror
 help / color / mirror / Atom feed
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



  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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20250408095222.860601-5-kevin.brodsky@arm.com \
    --to=kevin.brodsky@arm.com \
    --cc=akpm@linux-foundation.org \
    --cc=andreas@gaisler.com \
    --cc=aou@eecs.berkeley.edu \
    --cc=catalin.marinas@arm.com \
    --cc=dave.hansen@linux.intel.com \
    --cc=davem@davemloft.net \
    --cc=geert@linux-m68k.org \
    --cc=linus.walleij@linaro.org \
    --cc=linux-arch@vger.kernel.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-csky@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-m68k@lists.linux-m68k.org \
    --cc=linux-mm@kvack.org \
    --cc=linux-openrisc@vger.kernel.org \
    --cc=linux-riscv@lists.infradead.org \
    --cc=linux-s390@vger.kernel.org \
    --cc=linuxppc-dev@lists.ozlabs.org \
    --cc=maddy@linux.ibm.com \
    --cc=mark.rutland@arm.com \
    --cc=mpe@ellerman.id.au \
    --cc=palmer@dabbelt.com \
    --cc=paul.walmsley@sifive.com \
    --cc=peterz@infradead.org \
    --cc=rppt@kernel.org \
    --cc=ryan.roberts@arm.com \
    --cc=sparclinux@vger.kernel.org \
    --cc=will@kernel.org \
    --cc=willy@infradead.org \
    --cc=x86@kernel.org \
    --cc=yang@os.amperecomputing.com \
    --cc=zhengqi.arch@bytedance.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox