diff options
Diffstat (limited to 'kernel/arch/arm/mm/pgd.c')
| -rw-r--r-- | kernel/arch/arm/mm/pgd.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/arch/arm/mm/pgd.c b/kernel/arch/arm/mm/pgd.c index a3681f11d..e683db1b9 100644 --- a/kernel/arch/arm/mm/pgd.c +++ b/kernel/arch/arm/mm/pgd.c @@ -84,6 +84,16 @@ pgd_t *pgd_alloc(struct mm_struct *mm) if (!new_pte) goto no_pte; +#ifndef CONFIG_ARM_LPAE + /* + * Modify the PTE pointer to have the correct domain. This + * needs to be the vectors domain to avoid the low vectors + * being unmapped. + */ + pmd_val(*new_pmd) &= ~PMD_DOMAIN_MASK; + pmd_val(*new_pmd) |= PMD_DOMAIN(DOMAIN_VECTORS); +#endif + init_pud = pud_offset(init_pgd, 0); init_pmd = pmd_offset(init_pud, 0); init_pte = pte_offset_map(init_pmd, 0); |