diff options
Diffstat (limited to 'arch/s390/mm/dump_pagetables.c')
| -rw-r--r-- | arch/s390/mm/dump_pagetables.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/arch/s390/mm/dump_pagetables.c b/arch/s390/mm/dump_pagetables.c index 861880df12c7..1b553d847140 100644 --- a/arch/s390/mm/dump_pagetables.c +++ b/arch/s390/mm/dump_pagetables.c @@ -1,6 +1,6 @@ #include <linux/seq_file.h> #include <linux/debugfs.h> -#include <linux/module.h> +#include <linux/sched.h> #include <linux/mm.h> #include <asm/sections.h> #include <asm/pgtable.h> @@ -49,8 +49,8 @@ static void print_prot(struct seq_file *m, unsigned int pr, int level) seq_printf(m, "I\n"); return; } - seq_printf(m, "%s", pr & _PAGE_PROTECT ? "RO " : "RW "); - seq_putc(m, '\n'); + seq_puts(m, (pr & _PAGE_PROTECT) ? "RO " : "RW "); + seq_puts(m, (pr & _PAGE_NOEXEC) ? "NX\n" : "X\n"); } static void note_page(struct seq_file *m, struct pg_state *st, @@ -117,7 +117,8 @@ static void walk_pte_level(struct seq_file *m, struct pg_state *st, for (i = 0; i < PTRS_PER_PTE && addr < max_addr; i++) { st->current_address = addr; pte = pte_offset_kernel(pmd, addr); - prot = pte_val(*pte) & (_PAGE_PROTECT | _PAGE_INVALID); + prot = pte_val(*pte) & + (_PAGE_PROTECT | _PAGE_INVALID | _PAGE_NOEXEC); note_page(m, st, prot, 4); addr += PAGE_SIZE; } @@ -135,7 +136,9 @@ static void walk_pmd_level(struct seq_file *m, struct pg_state *st, pmd = pmd_offset(pud, addr); if (!pmd_none(*pmd)) { if (pmd_large(*pmd)) { - prot = pmd_val(*pmd) & _SEGMENT_ENTRY_PROTECT; + prot = pmd_val(*pmd) & + (_SEGMENT_ENTRY_PROTECT | + _SEGMENT_ENTRY_NOEXEC); note_page(m, st, prot, 3); } else walk_pte_level(m, st, pmd, addr); @@ -157,7 +160,9 @@ static void walk_pud_level(struct seq_file *m, struct pg_state *st, pud = pud_offset(pgd, addr); if (!pud_none(*pud)) if (pud_large(*pud)) { - prot = pud_val(*pud) & _REGION_ENTRY_PROTECT; + prot = pud_val(*pud) & + (_REGION_ENTRY_PROTECT | + _REGION_ENTRY_NOEXEC); note_page(m, st, prot, 2); } else walk_pmd_level(m, st, pud, addr); @@ -183,6 +188,7 @@ static void walk_pgd_level(struct seq_file *m) else note_page(m, &st, _PAGE_INVALID, 1); addr += PGDIR_SIZE; + cond_resched(); } /* Flush out the last page */ st.current_address = max_addr; |