Commit 7ea40889 authored by Pavel Tatashin's avatar Pavel Tatashin Committed by Will Deacon
Browse files

arm64: hibernate: add PUD_SECT_RDONLY 



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

Signed-off-by: default avatarPavel Tatashin <pasha.tatashin@soleen.com>
Acked-by: default avatarJames Morse <james.morse@arm.com>
Signed-off-by: default avatarWill Deacon <will@kernel.org>
parent 13373f0e

arch/arm64/include/asm/pgtable-hwdef.h

+1 −0
Original line number Diff line number Diff line
@@ -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).

arch/arm64/kernel/hibernate.c

+1 −1
Original line number Diff line number Diff line
@@ -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);

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