diff options
Diffstat (limited to 'arch/x86/mm/dump_pagetables.c')
| -rw-r--r-- | arch/x86/mm/dump_pagetables.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/arch/x86/mm/dump_pagetables.c b/arch/x86/mm/dump_pagetables.c index a0b8ffc927bb96..411f6a7589983c 100644 --- a/arch/x86/mm/dump_pagetables.c +++ b/arch/x86/mm/dump_pagetables.c @@ -180,7 +180,7 @@ static struct addr_marker address_markers[] = { static void printk_prot(struct seq_file *m, pgprotval_t pr, int level, bool dmsg) { static const char * const level_name[] = - { "cr3", "pgd", "p4d", "pud", "pmd", "pte" }; + { "pgd", "p4d", "pud", "pmd", "pte" }; if (!(pr & _PAGE_PRESENT)) { /* Not present */ @@ -204,12 +204,12 @@ static void printk_prot(struct seq_file *m, pgprotval_t pr, int level, bool dmsg pt_dump_cont_printf(m, dmsg, " "); /* Bit 7 has a different meaning on level 3 vs 4 */ - if (level <= 4 && pr & _PAGE_PSE) + if (level <= 3 && pr & _PAGE_PSE) pt_dump_cont_printf(m, dmsg, "PSE "); else pt_dump_cont_printf(m, dmsg, " "); - if ((level == 5 && pr & _PAGE_PAT) || - ((level == 4 || level == 3) && pr & _PAGE_PAT_LARGE)) + if ((level == 4 && pr & _PAGE_PAT) || + ((level == 3 || level == 2) && pr & _PAGE_PAT_LARGE)) pt_dump_cont_printf(m, dmsg, "PAT "); else pt_dump_cont_printf(m, dmsg, " "); @@ -271,15 +271,15 @@ static void note_page(struct ptdump_state *pt_st, unsigned long addr, int level, new_prot = val & PTE_FLAGS_MASK; - if (level > 1) { - new_eff = effective_prot(st->prot_levels[level - 2], + if (level > 0) { + new_eff = effective_prot(st->prot_levels[level - 1], new_prot); } else { new_eff = new_prot; } - if (level > 0) - st->prot_levels[level - 1] = new_eff; + if (level >= 0) + st->prot_levels[level] = new_eff; /* * If we have a "break" in the series, we need to flush the state that @@ -289,7 +289,7 @@ static void note_page(struct ptdump_state *pt_st, unsigned long addr, int level, cur = st->current_prot; eff = st->effective_prot; - if (!st->level) { + if (st->level == -1) { /* First entry */ st->current_prot = new_prot; st->effective_prot = new_eff; @@ -380,6 +380,7 @@ static void ptdump_walk_pgd_level_core(struct seq_file *m, pgd_t *pgd, .note_page = note_page, .range = ptdump_ranges }, + .level = -1, .to_dmesg = dmesg, .check_wx = checkwx, .seq = m |