diff options
Diffstat (limited to 'arch/riscv/mm/ptdump.c')
| -rw-r--r-- | arch/riscv/mm/ptdump.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/arch/riscv/mm/ptdump.c b/arch/riscv/mm/ptdump.c index 657c27bc07a7..9d5f657a251b 100644 --- a/arch/riscv/mm/ptdump.c +++ b/arch/riscv/mm/ptdump.c @@ -6,10 +6,10 @@ #include <linux/efi.h> #include <linux/init.h> #include <linux/debugfs.h> +#include <linux/memory_hotplug.h> #include <linux/seq_file.h> #include <linux/ptdump.h> -#include <asm/ptdump.h> #include <linux/pgtable.h> #include <asm/kasan.h> @@ -336,7 +336,7 @@ static void ptdump_walk(struct seq_file *s, struct ptd_mm_info *pinfo) ptdump_walk_pgd(&st.ptdump, pinfo->mm, NULL); } -void ptdump_check_wx(void) +bool ptdump_check_wx(void) { struct pg_state st = { .seq = NULL, @@ -357,16 +357,23 @@ void ptdump_check_wx(void) ptdump_walk_pgd(&st.ptdump, &init_mm, NULL); - if (st.wx_pages) + if (st.wx_pages) { pr_warn("Checked W+X mappings: failed, %lu W+X pages found\n", st.wx_pages); - else + + return false; + } else { pr_info("Checked W+X mappings: passed, no W+X pages found\n"); + + return true; + } } static int ptdump_show(struct seq_file *m, void *v) { + get_online_mems(); ptdump_walk(m, m->private); + put_online_mems(); return 0; } |