diff options
author | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2024-04-02 08:17:13 -0400 |
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committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2024-04-02 08:17:13 -0400 |
commit | 5add703f6acad1c63f8a532b6de56e50d548e904 (patch) | |
tree | be39a82716119cd8b7cf7e2734baf8cd9a80ceb7 /mm/ptdump.c | |
parent | 71cdfa8cad300caa7afcbba09776bbc8dcfa9e39 (diff) | |
parent | 39cd87c4eb2b893354f3b850f916353f2658ae6f (diff) |
Merge drm/drm-next into drm-intel-next
Catching up on 6.9-rc2
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'mm/ptdump.c')
-rw-r--r-- | mm/ptdump.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/mm/ptdump.c b/mm/ptdump.c index 03c1bdae4a43..106e1d66e9f9 100644 --- a/mm/ptdump.c +++ b/mm/ptdump.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 #include <linux/pagewalk.h> +#include <linux/debugfs.h> #include <linux/ptdump.h> #include <linux/kasan.h> @@ -163,3 +164,24 @@ void ptdump_walk_pgd(struct ptdump_state *st, struct mm_struct *mm, pgd_t *pgd) /* Flush out the last page */ st->note_page(st, 0, -1, 0); } + +static int check_wx_show(struct seq_file *m, void *v) +{ + if (ptdump_check_wx()) + seq_puts(m, "SUCCESS\n"); + else + seq_puts(m, "FAILED\n"); + + return 0; +} + +DEFINE_SHOW_ATTRIBUTE(check_wx); + +static int ptdump_debugfs_init(void) +{ + debugfs_create_file("check_wx_pages", 0400, NULL, NULL, &check_wx_fops); + + return 0; +} + +device_initcall(ptdump_debugfs_init); |