These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / arch / arm / mm / pgd.c

diff --git a/kernel/arch/arm/mm/pgd.c b/kernel/arch/arm/mm/pgd.c
index a3681f1..e683db1 100644 (file)
--- 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);