linux-kernel - [PATCH V2 3/8] arm64/mm: Clear PXX_TYPE_MASK in mk_[pmd|pud]_sect

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Message-Id: <20250221044227.1145393-4-anshuman.khandual@arm.com>
Date: Fri, 21 Feb 2025 10:12:22 +0530
From: Anshuman Khandual <anshuman.khandual@....com>
To: arm-kernel@...ts.infradead.org
Cc: Anshuman Khandual <anshuman.khandual@....com>,
	Marc Zyngier <maz@...nel.org>,
	Oliver Upton <oliver.upton@...ux.dev>,
	James Morse <james.morse@....com>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>,
	Ard Biesheuvel <ardb@...nel.org>,
	Ryan Roberts <ryan.roberts@....com>,
	Mark Rutland <mark.rutland@....com>,
	kvmarm@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH V2 3/8] arm64/mm: Clear PXX_TYPE_MASK in mk_[pmd|pud]_sect_prot()

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@....com>
Cc: Will Deacon <will@...nel.org>
Cc: Ard Biesheuvel <ardb@...nel.org>
Cc: Ryan Roberts <ryan.roberts@....com>
Cc: Mark Rutland <mark.rutland@....com>
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@....com>
---
 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