diff options
Diffstat (limited to 'arch/arm/mm/dump.c')
| -rw-r--r-- | arch/arm/mm/dump.c | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/arch/arm/mm/dump.c b/arch/arm/mm/dump.c index c18d23a5e5f1..cd032522d902 100644 --- a/arch/arm/mm/dump.c +++ b/arch/arm/mm/dump.c @@ -15,14 +15,18 @@ #include <asm/domain.h> #include <asm/fixmap.h> -#include <asm/memory.h> +#include <asm/page.h> #include <asm/ptdump.h> static struct addr_marker address_markers[] = { +#ifdef CONFIG_KASAN + { KASAN_SHADOW_START, "Kasan shadow start"}, + { KASAN_SHADOW_END, "Kasan shadow end"}, +#endif { MODULES_VADDR, "Modules" }, { PAGE_OFFSET, "Kernel Mapping" }, { 0, "vmalloc() Area" }, - { VMALLOC_END, "vmalloc() End" }, + { FDT_FIXED_BASE, "FDT Area" }, { FIXADDR_START, "Fixmap Area" }, { VECTORS_BASE, "Vectors" }, { VECTORS_BASE + PAGE_SIZE * 2, "Vectors End" }, @@ -196,6 +200,7 @@ static const struct prot_bits section_bits[] = { }; struct pg_level { + const char *name; const struct prot_bits *bits; size_t num; u64 mask; @@ -209,9 +214,11 @@ static struct pg_level pg_level[] = { }, { /* p4d */ }, { /* pud */ }, { /* pmd */ + .name = (CONFIG_PGTABLE_LEVELS > 2) ? "PMD" : "PGD", .bits = section_bits, .num = ARRAY_SIZE(section_bits), }, { /* pte */ + .name = "PTE", .bits = pte_bits, .num = ARRAY_SIZE(pte_bits), }, @@ -278,7 +285,8 @@ static void note_page(struct pg_state *st, unsigned long addr, delta >>= 10; unit++; } - pt_dump_seq_printf(st->seq, "%9lu%c", delta, *unit); + pt_dump_seq_printf(st->seq, "%9lu%c %s", delta, *unit, + pg_level[st->level].name); if (st->current_domain) pt_dump_seq_printf(st->seq, " %s", st->current_domain); @@ -341,12 +349,12 @@ static void walk_pmd(struct pg_state *st, pud_t *pud, unsigned long start) for (i = 0; i < PTRS_PER_PMD; i++, pmd++) { addr = start + i * PMD_SIZE; domain = get_domain_name(pmd); - if (pmd_none(*pmd) || pmd_large(*pmd) || !pmd_present(*pmd)) - note_page(st, addr, 3, pmd_val(*pmd), domain); + if (pmd_none(*pmd) || pmd_leaf(*pmd) || !pmd_present(*pmd)) + note_page(st, addr, 4, pmd_val(*pmd), domain); else walk_pte(st, pmd, addr, domain); - if (SECTION_SIZE < PMD_SIZE && pmd_large(pmd[1])) { + if (SECTION_SIZE < PMD_SIZE && pmd_leaf(pmd[1])) { addr += SECTION_SIZE; pmd++; domain = get_domain_name(pmd); @@ -416,7 +424,7 @@ void ptdump_walk_pgd(struct seq_file *m, struct ptdump_info *info) note_page(&st, 0, 0, 0, NULL); } -static void ptdump_initialize(void) +static void __init ptdump_initialize(void) { unsigned i, j; @@ -429,8 +437,11 @@ static void ptdump_initialize(void) if (pg_level[i].bits[j].nx_bit) pg_level[i].nx_bit = &pg_level[i].bits[j]; } - +#ifdef CONFIG_KASAN + address_markers[4].start_address = VMALLOC_START; +#else address_markers[2].start_address = VMALLOC_START; +#endif } static struct ptdump_info kernel_ptdump_info = { @@ -459,7 +470,7 @@ void ptdump_check_wx(void) pr_info("Checked W+X mappings: passed, no W+X pages found\n"); } -static int ptdump_init(void) +static int __init ptdump_init(void) { ptdump_initialize(); ptdump_debugfs_register(&kernel_ptdump_info, "kernel_page_tables"); |
