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ARM: 9246/1: dump: show page table level name

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ARM could have 3 page table level if ARM_LPAE enabled, or only 2 page
table level, let's show the page table level name when dump.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
This commit is contained in:
Wang Kefeng
2022-09-13 05:25:52 +01:00
committed by Russell King (Oracle)
parent afd1efa1d8
commit e66372ecb8
1 changed files with 5 additions and 1 deletions
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6
arch/arm/mm/dump.c
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@@ -200,6 +200,7 @@ static const struct prot_bits section_bits[] = {
}; };
struct pg_level { struct pg_level {
const char *name;
const struct prot_bits *bits; const struct prot_bits *bits;
size_t num; size_t num;
u64 mask; u64 mask;
@@ -213,9 +214,11 @@ static struct pg_level pg_level[] = {
}, { /* p4d */ }, { /* p4d */
}, { /* pud */ }, { /* pud */
}, { /* pmd */ }, { /* pmd */
.name = (CONFIG_PGTABLE_LEVELS > 2) ? "PMD" : "PGD",
.bits = section_bits, .bits = section_bits,
.num = ARRAY_SIZE(section_bits), .num = ARRAY_SIZE(section_bits),
}, { /* pte */ }, { /* pte */
.name = "PTE",
.bits = pte_bits, .bits = pte_bits,
.num = ARRAY_SIZE(pte_bits), .num = ARRAY_SIZE(pte_bits),
}, },
@@ -282,7 +285,8 @@ static void note_page(struct pg_state *st, unsigned long addr,
delta >>= 10; delta >>= 10;
unit++; 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) if (st->current_domain)
pt_dump_seq_printf(st->seq, " %s", pt_dump_seq_printf(st->seq, " %s",
st->current_domain); st->current_domain);