Thread (17 messages) flat view 17 messages, 4 authors, 2025-03-12
STALE553d LANDED

Revision v2 of 2 in this series; landed in mainline as dba954801004 on 2025-03-12.

Revisions (2)
  1. v1 [diff vs current]
  2. v2 current

[PATCH V2 3/8] arm64/mm: Clear PXX_TYPE_MASK in mk_[pmd|pud]_sect_prot()

From: Anshuman Khandual <hidden>
Date: 2025-02-21 04:42:56
Also in: kvmarm, lkml
Subsystem: arm64 port (aarch64 architecture), the rest · Maintainers: Catalin Marinas, Will Deacon, Linus Torvalds

Clear PXX_TYPE_MASK bits in mk_[pmd|pud]_sect_prot() while creating section
mappings instead of just clearing the PXX_TABLE_BIT.

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <redacted>
---
 arch/arm64/include/asm/pgtable.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 0b2a2ad1b9e8..c16e9e74e309 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -483,12 +483,12 @@ static inline pmd_t pte_pmd(pte_t pte)
 
 static inline pgprot_t mk_pud_sect_prot(pgprot_t prot)
 {
-	return __pgprot((pgprot_val(prot) & ~PUD_TABLE_BIT) | PUD_TYPE_SECT);
+	return __pgprot((pgprot_val(prot) & ~PUD_TYPE_MASK) | PUD_TYPE_SECT);
 }
 
 static inline pgprot_t mk_pmd_sect_prot(pgprot_t prot)
 {
-	return __pgprot((pgprot_val(prot) & ~PMD_TABLE_BIT) | PMD_TYPE_SECT);
+	return __pgprot((pgprot_val(prot) & ~PMD_TYPE_MASK) | PMD_TYPE_SECT);
 }
 
 static inline pte_t pte_swp_mkexclusive(pte_t pte)
-- 
2.25.1

Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help