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[Deepin-Kernel-SIG] [linux 6.18-y] [Upstream] arm64: mm: Add PTE_DIRTY back to PAGE_KERNEL* to fix kexec/hibernation #1557

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Merged
opsiff merged 1 commit into from
Mar 16, 2026
Merged

[Deepin-Kernel-SIG] [linux 6.18-y] [Upstream] arm64: mm: Add PTE_DIRTY back to PAGE_KERNEL* to fix kexec/hibernation #1557

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10 changes: 5 additions & 5 deletions arch/arm64/include/asm/pgtable-prot.h
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Original file line number Diff line number Diff line change
Expand Up @@ -50,11 +50,11 @@

#define _PAGE_DEFAULT (_PROT_DEFAULT | PTE_ATTRINDX(MT_NORMAL))

#define _PAGE_KERNEL (PROT_NORMAL)
#define _PAGE_KERNEL_RO ((PROT_NORMAL & ~PTE_WRITE) | PTE_RDONLY)
#define _PAGE_KERNEL_ROX ((PROT_NORMAL & ~(PTE_WRITE | PTE_PXN)) | PTE_RDONLY)
#define _PAGE_KERNEL_EXEC (PROT_NORMAL & ~PTE_PXN)
#define _PAGE_KERNEL_EXEC_CONT ((PROT_NORMAL & ~PTE_PXN) | PTE_CONT)
#define _PAGE_KERNEL (PROT_NORMAL | PTE_DIRTY)
#define _PAGE_KERNEL_RO ((PROT_NORMAL & ~PTE_WRITE) | PTE_RDONLY | PTE_DIRTY)
#define _PAGE_KERNEL_ROX ((PROT_NORMAL & ~(PTE_WRITE | PTE_PXN)) | PTE_RDONLY | PTE_DIRTY)
#define _PAGE_KERNEL_EXEC ((PROT_NORMAL & ~PTE_PXN) | PTE_DIRTY)
#define _PAGE_KERNEL_EXEC_CONT ((PROT_NORMAL & ~PTE_PXN) | PTE_CONT | PTE_DIRTY)

#define _PAGE_SHARED (_PAGE_DEFAULT | PTE_USER | PTE_RDONLY | PTE_NG | PTE_PXN | PTE_UXN | PTE_WRITE)
#define _PAGE_SHARED_EXEC (_PAGE_DEFAULT | PTE_USER | PTE_RDONLY | PTE_NG | PTE_PXN | PTE_WRITE)
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