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arm64: hibernate: add PUD_SECT_RDONLY

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There is PMD_SECT_RDONLY that is used in pud_* function which is confusing.

Signed-off-by: Pavel Tatashin <pasha.tatashin@soleen.com>
Acked-by: James Morse <james.morse@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Pavel Tatashin 2019-12-04 10:59:22 -05:00 committed by Will Deacon
parent 13373f0e65
commit 7ea4088938
2 changed files with 2 additions and 1 deletions
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1
arch/arm64/include/asm/pgtable-hwdef.h
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@ -110,6 +110,7 @@
#define PUD_TABLE_BIT (_AT(pudval_t, 1) << 1)
#define PUD_TYPE_MASK (_AT(pudval_t, 3) << 0)
#define PUD_TYPE_SECT (_AT(pudval_t, 1) << 0)
#define PUD_SECT_RDONLY (_AT(pudval_t, 1) << 7) /* AP[2] */
/*
* Level 2 descriptor (PMD).

2
arch/arm64/kernel/hibernate.c
View file

@ -436,7 +436,7 @@ static int copy_pud(pgd_t *dst_pgdp, pgd_t *src_pgdp, unsigned long start,
return -ENOMEM;
} else {
set_pud(dst_pudp,
__pud(pud_val(pud) & ~PMD_SECT_RDONLY));
__pud(pud_val(pud) & ~PUD_SECT_RDONLY));
}
} while (dst_pudp++, src_pudp++, addr = next, addr != end);