Commit dba95480 authored by Anshuman Khandual's avatar Anshuman Khandual Committed by Catalin Marinas
Browse files

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: 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: default avatarAnshuman Khandual <anshuman.khandual@arm.com>
Link: https://lore.kernel.org/r/20250221044227.1145393-4-anshuman.khandual@arm.com


Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent f5e93819

arch/arm64/include/asm/pgtable.h

+2 −2
Original line number Diff line number Diff line
@@ -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)