summaryrefslogtreecommitdiffstats
path: root/arch/arm64/mm/fault.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm64/mm/fault.c')
-rw-r--r--arch/arm64/mm/fault.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index dff2d72b0883..df8ae73d950b 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -145,6 +145,7 @@ static void show_pte(unsigned long addr)
pr_alert("[%016lx] pgd=%016llx", addr, pgd_val(pgd));
do {
+ p4d_t *p4dp, p4d;
pud_t *pudp, pud;
pmd_t *pmdp, pmd;
pte_t *ptep, pte;
@@ -152,7 +153,13 @@ static void show_pte(unsigned long addr)
if (pgd_none(pgd) || pgd_bad(pgd))
break;
- pudp = pud_offset(pgdp, addr);
+ p4dp = p4d_offset(pgdp, addr);
+ p4d = READ_ONCE(*p4dp);
+ pr_cont(", p4d=%016llx", p4d_val(p4d));
+ if (p4d_none(p4d) || p4d_bad(p4d))
+ break;
+
+ pudp = pud_offset(p4dp, addr);
pud = READ_ONCE(*pudp);
pr_cont(", pud=%016llx", pud_val(pud));
if (pud_none(pud) || pud_bad(pud))