From 48caebf7e1313eb9f0a06fe59a07ac05b38a5806 Mon Sep 17 00:00:00 2001 From: Will Deacon Date: Tue, 14 May 2019 12:25:28 +0100 Subject: [PATCH] arm64: Print physical address of page table base in show_pte() When dumping the page table in response to an unexpected kernel page fault, we print the virtual (hashed) address of the page table base, but display physical addresses for everything else. Make the page table dumping code in show_pte() consistent, by printing the page table base pointer as a physical address. Reported-by: Mark Rutland Signed-off-by: Will Deacon --- arch/arm64/mm/fault.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c index 0cb0e09995e1..dda234bcc020 100644 --- a/arch/arm64/mm/fault.c +++ b/arch/arm64/mm/fault.c @@ -171,9 +171,10 @@ static void show_pte(unsigned long addr) return; } - pr_alert("%s pgtable: %luk pages, %u-bit VAs, pgdp = %p\n", + pr_alert("%s pgtable: %luk pages, %u-bit VAs, pgdp=%016lx\n", mm == &init_mm ? "swapper" : "user", PAGE_SIZE / SZ_1K, - mm == &init_mm ? VA_BITS : (int) vabits_user, mm->pgd); + mm == &init_mm ? VA_BITS : (int)vabits_user, + (unsigned long)virt_to_phys(mm->pgd)); pgdp = pgd_offset(mm, addr); pgd = READ_ONCE(*pgdp); pr_alert("[%016lx] pgd=%016llx", addr, pgd_val(pgd));